3408 TRUCK ENGINE 28V00001-04749 FUEL SYSTEM Caterpillar SIS

TRUCK ENGINE 3408B TRUCK ENGINE 28V
3408 TRUCK ENGINE 28V00001-04749 SEBP1127 3408B 28V (1985)

Parts group 3408B:

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FUEL SYSTEM

DRIVE GP-TACHOMETER

9N-0016 DRIVE GP-TACHOMETER

9N16 TACHOMETER DRIVE GROUP
Serial No. 28V472-Up

FILTER GP-FUEL

4N-1981 FILTER GP-FUEL

4N1981 FUEL FILTER GROUP
Serial No. 28V1 to 28V3353 inclusive

4N-1981 FILTER GP-FUEL

4N1981 FUEL FILTER GROUP
Serial No. 28V3354-Up

8H-7204 FILTER GP-FUEL

8H7204 FUEL FILTER GROUP--Type 1
AN ATTACHMENT

8H-7204 FILTER GP-FUEL

8H7204 FUEL FILTER GROUP--Type 2
AN ATTACHMENT

GOVERNOR GP

6N-3195 DRIVE GP-GOVERNOR & FUEL PUMP

6N3195 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine

4N-0677 DRIVE GP-GOVERNOR & FUEL PUMP

4N677 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Precombustion
Chambered Engine

9N-3959 DRIVE GP-GOVERNOR & FUEL PUMP

9N3959 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine
Serial No. 28V2048-Up

9N-1095 FUEL RATIO CONTROL GROUP

9N1095 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
6N648 Fuel Ratio Control parts are shown on Page 90

4N-7171 FUEL RATIO CONTROL GROUP

4N7171 FUEL RATIO CONTROL GROUP--For Precombustion Chambered Engine
4N8256 Fuel Ratio Control parts are shown on Page 91

9N-5026 CONTROL GP-FUEL RATIO

9N5026 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
Serial No. 28V2048 to 28V4042 inclusive
9N5062 Control parts are shown on Page 89A-1

9N-5026 CONTROL GP-FUEL RATIO

9N5026 FUEL RATIO CONTROL GROUP--Direct Injection Engine
Serial No. 28V4043-Up
9N6359 Control parts are shown on Page 89A-2

9N-5062 FUEL RATIO CONTROL GROUP

9N5062 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
Serial No. 28V2048 to 28V4042 inclusive
Part of 9N5026 Fuel Ratio Control Group shown on Page 89A

9N-6359 CONTROL GP-FUEL RATIO

9N6359 FUEL RATIO CONTROL GROUP
Serial No. 28V4043-Up
Part of 9N5026 Fuel Ratio Control Group shown on Page 89A

9N-3362 CONTROL GP-FUEL RATIO

9N3362 FUEL RATIO CONTROL GROUP--For Precombustion Chambered Engine
7N5486 Control parts are shown on Page 91B

6N-6209 CONTROL GP-FUEL RATIO

6N6209 FUEL RATIO CONTROL GROUP
6N651 Control parts are shown on Page 91A

6N-0648 CONTROL GP-FUEL RATIO

6N648 FUEL RATIO CONTROL GROUP--For Direct Injection Engine--Type 1
Part of 9N1095 Fuel Ratio Control Group shown on Page 89

6N-0648 CONTROL GP-FUEL RATIO

6N648 FUEL RATIO CONTROL GROUP--For Direct Injection Engine--Type 2
Part of 9N1095 Fuel Ratio Control Group shown on Page 89

4N-8256 CONTROL GP-FUEL RATIO

4N8256 FUEL RATIO CONTROL GROUP--For Precombustion Chambered Engine
Part of 4N7171 Fuel Ratio Control Group shown on Page 89

6N-0651 CONTROL GP-FUEL RATIO

6N651 FUEL RATIO CONTROL GROUP
Part of 6N6209 Fuel Ratio Control Group shown on Page 89B

7N-5486 CONTROL GP-FUEL RATIO

7N5486 FUEL RATIO CONTROL GROUP--For Precombustion Chambered Engine
Part of 9N3362 Fuel Ratio Control Group shown on Page 89B

9N-2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Direct Injection Engine
Serial No. 28V1 to 28V742 inclusive. 9L6456 Governor, 2S9519 Rack Stop, 7N1076 Fuel Injection Pump and
4N1101 Fuel Transfer Pump parts are shown on Pages 95 through 103, 105, 106, 107 & 115

9N-2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Direct Injection Engine
Serial No. 28V743-Up
9L6456 Governor, 9N3716 Torque Control, 7N1076 Fuel Injection Pump and 4N1101 Fuel Transfer
Pump parts are shown on Pages 95 through 103, 105B, 106, 107, 107A, 107B and 115

9N-3317 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP

9N3317 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP--For Direct Injection Engine
9N3315 Governor, 9N3724 Torque Control, 9N3328 Fuel Injection Pump and 4N1101 Fuel
Transfer Pump parts are shown on Pages 94B through 94G, 105B, 105C, 107C, 107D and 115

9N-5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Direct Injection Engine
Serial No. 28V2616 to 28V3248 inclusive. 9N3315 Governor, 9N2893 Torque Control, 7N6389 Fuel Injection Pump and 4N1101 Fuel
Transfer Pump parts are shown on Pages 94B through 94F, 105E, 105E-2 through 105H and 115

9N-5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Direct Injection Engine
Serial No. 28V3249-Up. 9N3315 Governor, 9N3724 Torque Control, 7N6389 Fuel Injection Pump and 4N1101 Fuel Transfer
Pump parts are shown on Pages 94B through 94F, 105C, 105E-2 through 105H and 115

9L-6540 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9L6540 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Precombustion Chambered Engine
Serial No. 28V1 to 170, 172 to 272, 274 to 283, 285 to 311, 313, 316, 318 to 328, 330 to 338, 340 to 346, 348 to 362, 364 to
385, 387, 389 to 395, 397, 398, 400, 402 to 404, 408 to 433, 440 and 28V453 inclusive. 9L6456 Governor, 9N2379 Torque
Control, 4N2637 Fuel Injection Pump and 4N1101 Fuel Transfer Pump parts are shown on Pages 95 through 100, 105, 108, 109 & 115

9N-2513 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N2513 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Precombustion Chambered Engine
Serial No. 28V171, 273, 284, 312, 314, 415, 317, 329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to 452
& 28V454-Up. 9L6456 Governor; 9N2379 Torque Control, 7N1233 Fuel Injection Pump & 4N1101 Fuel Transfer
Pump parts are shown on Pages 95 through 103, 105, 110, 111 & 115

9N-3315 GOVERNOR GP

9N3315 GOVERNOR GROUP--Part 1 of 3--Type 1
Part of 9N3317 & 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92B and 94A

9N-3315 GOVERNOR GP

9N3315 GOVERNOR GROUP--Part 2 of 3--Type 1
Part of 9N3317 & 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92B & 94A. 6N1947 Piston Pump parts are shown on Page 104

9N-3315 GOVERNOR GP

9N3315 GOVERNOR GROUP--Part 3 of 3--Type 1
Part of 9N3317 & 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92B & 94A

9N-3315 GOVERNOR GP

9N3315 GOVERNOR GROUP--Part 1--Type 2
Part of 9N3317 & 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92B & 94A

9N-3315 GOVERNOR GP

9N3315 GOVERNOR GROUP--Part 2--Type 2
Part of 9N3317 & 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92B and 94A. 9N3684 Plate parts are shown on Page 104A

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 1 of 3
Serial No. 28V1 to 28V375 inclusive. Part of 9N2902, 9L6540 and 9N2513 Governor, Fuel Injection
and Fuel Transfer Pump Groups shown on Pages 92, 93 & 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 2 of 3
Serial No. 28V1 to 28V375 inclusive. Part of 9N2902, 9L6540, and 9N2513 Governor,
Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92, 93, & 94
6N1947 Piston Pump parts are shown on Page 104

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 3 of 3
Serial No. 28V1 to 28V375 inclusive. Part of 9N2902, 9L6540 and 9N2513 Governor,
Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92, 93 & 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 1 of 3
Serial No. 28V376 to 28V477 inclusive. Part 9N2902, 9L6540 and 9N2513 Governor,
Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92, 93 & 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 2 of 3
Serial No. 28V376 to 28V477 inclusive. Part of 9N2902, 9L6540 and 9N2513 Governor,
Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92, 93 & 94
6N1947 Piston Pump parts are shown on Page 104

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 3 of 3
Serial No. 28V376 to 28V477 inclusive. Part of 9N2902, 9L6540 and 9N2513
Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92, 93 & 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 1 of 3
Serial No. 28V478 to 28V513 inclusive
Part of 9N2902 and 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Groups shown on Pages 92 & 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 2 of 3
Serial No. 28V478 to 28V513 inclusive. Part of 9N2902 and 9N2513 Governor, Fuel
Injection and Fuel Transfer Pump Groups shown on Pages 92 and 94
6N1947 Piston Pump parts are shown on Page 104

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 3 of 3
Serial No. 28V478 to 28V513 inclusive. Part of 9N2902 and 9N2513 Governor, Fuel
Injection and Fuel Transfer Pump Groups shown on Pages 92 and 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 1 of 3
Serial No. 28V514-Up. Part of 9N2902 and 9N2513 Governor, Fuel Injection
and Fuel Transfer Pump Groups shown on Pages 92 and 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 2 of 3
Serial No. 28V514-Up. Part of 9N2902, 9L6540 and 9N2513 Governor, Fuel Injection
and Fuel Transfer Pump Groups shown on Pages 92, 93 & 94
6N1947 Piston Pump parts are shown on Page 104

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 3 of 3
Serial No. 28V514-Up. Part of 9N2902 and 9N2513 Governor, Fuel Injection
and Fuel Transfer Pump Groups shown on Pages 92 and 94

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 1 of 3--Type 2
Serial No. 28V514-Up. Part of 9N2902, 9L6540 and 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92, 93 and 94. 8N6389 Governor Cover parts are shown on Page 103H

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 2 of 3--Type 2
Serial No. 28V514-Up. Part of 9N2902, 9L6540 and 9N2513 Governor, Fuel Injection
and Fuel Transfer Pump Groups shown on Pages 92, 93 and 94. 6N1947 Piston Pump
parts are shown on Page 104

9L-6456 GOVERNOR GROUP

9L6456 GOVERNOR GROUP--Part 3 of 3--Type 2
Serial No. 28V514-Up
Part of 9N2902, 9L6540 and 9N2513 Governor, Fuel Injection and Fuel Transfer
Pump Groups shown on Pages 92, 93 and 94

8N-6389 COVER GP-GOVERNOR

8N6389 GOVERNOR COVER GROUP
Part of 9L6456 Governor Group shown on Page 103E

6N-1947 PISTON GP-GOVERNOR SERVO

6N1947 GOVERNOR SERVO PISTON PUMP GROUP--Type 1
Part of 9N3316 and 9L6456 Governor and 9N3684 Governor Adapter Plate Groups
shown on Pages 94C, 96, 99, 102 and 104A

6N-1947 PISTON GP-GOVERNOR SERVO

6N1947 GOVERNOR SERVO PISTON GROUP--Type 2
Part of 9N3316 and 9L6456 Governor and 9N3684 Governor Adapter Plate Groups
shown on Pages 94C, 96, 99, 102 and 104A

9N-3684 PLATE GP-GOVERNOR ADAPTER

9N3684 GOVERNOR ADAPTER PLATE GROUP
6N1947 Pump parts are shown on Page 104

9N-3684 PLATE GP-GOVERNOR ADAPTER

9N3684 GOVERNOR ADAPTER PLATE GROUP--Type 2
6N1947 Pump parts are shown on Page 104

9L-6861 CONTROL GP-GOVERNOR

9L6861 GOVERNOR CONTROL GROUP
Serial No. 28V1 to 28V857 inclusive

9L-6861 CONTROL GP-GOVERNOR

9L6861 GOVERNOR CONTROL GROUP
Serial No. 28V858-Up
9N1822 Control parts are shown on Page 116A-2

9N-1822 CONTROL GP-GOVERNOR

9N1822 GOVERNOR CONTROL GROUP
Serial No. 28V858-Up
Part of 9L6861 & 9N5581 Governor Control Groups shown on Pages 116A & 116B

9N-5581 CONTROL GP-GOVERNOR

9N5581 GOVERNOR CONTROL GROUP
Serial No. 28V2243-Up
9N1822 Control parts are shown on Page 116A-2

LINES GP-FUEL

4N-2088 LINES GP-FUEL INJECTION

4N2088 FUEL INJECTION LINES GROUP--For Direct Injection Engine
Serial No. 28V1 to 28V419 inclusive

4N-2088 LINES GP-FUEL INJECTION

4N2088 FUEL INJECTION LINES GROUP--For Direct Injection Engine
Serial No. 28V420 to 28V2680 inclusive

4N-2088 LINES GP-FUEL INJECTION

4N2088 FUEL INJECTION LINES GROUP--For Direct Injection Engine
Serial No. 28V2681-Up

4N-2087 LINES GP-FUEL INJECTION

4N2087 FUEL INJECTION LINES GROUP
For Precombustion Chambered Engine
Serial No. 28V1 to 28V419 inclusive

4N-2087 LINES GP-FUEL INJECTION

4N2087 FUEL INJECTION LINES GROUP
For Precombustion Chambered Engines
Serial No. 28V420 to 28V2680 inclusive

4N-2087 LINES GP-FUEL INJECTION

4N2087 FUEL INJECTION LINES GROUP
For Precombustion Chambered Engine
Serial No. 28V2681-Up

9N-3958 LINES GP-FUEL INJECTION

9N3958 FUEL INJECTION LINES GROUP
For Direct Injection Turbocharged Aftercooled Engine
Serial No. 28V2048 to 28V2680 inclusive

9N-3958 LINES GP-FUEL INJECTION

9N3958 FUEL INJECTION LINES GROUP
For Direct Injection Turbocharged Aftercooled Engine
Serial No. 28V2681-Up

6N-1672 FASTENER GP-FUEL INJ LINES

6N1672 FUEL INJECTION LINES FASTENER GROUP

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V1 to 28V282 inclusive

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V283 to 28V857 inclusive

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V858 to 28V3353 inclusive

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V3354 to 28V3429 inclusive

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V3430 to 28V3793 inclusive

9L-6730 LINES GP-FUEL FILTER

9L6730 FUEL FILTER LINES GROUP
Serial No. 28V3794-Up

PUMP GP-FUEL INJECTION

6N-3195 DRIVE GP-GOVERNOR & FUEL PUMP

6N3195 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine

4N-0677 DRIVE GP-GOVERNOR & FUEL PUMP

4N677 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Precombustion
Chambered Engine

9N-3959 DRIVE GP-GOVERNOR & FUEL PUMP

9N3959 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine
Serial No. 28V2048-Up

9N-2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-3317 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP

9N-3768 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N3768 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--Direct Injection Engine
Serial No. 28V2048 to 28V4051 inclusive. 9N3315 Governor, 9N2806 Torque Control, 7N6389 Fuel Injection Pump and 4N1101 Fuel
Transfer Pump parts are shown on Pages 94B through 94F, 105C, 105E-2, 105F, 105G, 105H and 115

9N-3768 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N3768 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--Direct Injection Engine
Serial No. 28V4052-Up
9N3315 Governor, 1W2530 Torque Control, 7N6389 Fuel Injection Pump and 4N1101 Fuel Transfer Pump parts are
shown on Pages 94B through 94F, 105C-1, 105E-2, 105F, 105G, 105H and 115

9N-5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9L-6540 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-2513 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-3316 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N3316 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Precombustion Chambered Engine
9N3315 Governor, 9N3331 Torque Control, 9N3326 Fuel Injection Pump and 4N1101 Fuel
Transfer Pump parts are shown on Pages 94B through 94G, 105D, 111C, 111D and 115

9N-3316 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N3316 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Precombustion Chambered Engine--Type 2
9N3315 Governor, 7N3655 Torque Control, 9N3326 Fuel Injection Pump and 4N1101 Fuel Transfer Pump parts
are shown on Pages 94B through 94F, 105E, 111C, 111D and 115

9N-3316 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N3316 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP--For Precombustion Chambered Engine--Type 3
9N3315 Governor, 9N1071 Torque Control, 9N3326 Fuel Injection Pump and 4N1101 Fuel Transfer Pump parts are shown
on Pages 94B through 94F, 105C-1, 105E, 111C, 111D and 115

7N-6389 PUMP GP-FUEL INJECTION

7N6389 FUEL INJECTION PUMP GROUP--For Direct Injection Engine--Part 1--Type 1
Serial No. 28V2048--Up. Part of 9N3768 and 9N5837 Governor, Fuel Injection and
Fuel Transfer Pump Groups shown on Pages 92C and 92D. 7N4574 Housing and
6N7829 Pump Parts are shown on Pages 113B and 114A

7N-6389 PUMP GP-FUEL INJECTION

7N6389 FUEL INJECTION PUMP GROUP--For Direct Injection Engine--Part 2--Type 1
Serial No. 28V2048-Up. Part of 9N3768 and 9N5837 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92C and 92D

7N-6389 PUMP GP-FUEL INJECTION

7N6389 FUEL INJECTION PUMP GROUP--For Direct Injection Engine--Part 1--Type 2
Serial No. 28V2048-Up. Part of 9N3768 and 9N5837 Governor, Fuel Injection and Fuel
Transfer Pump Groups shown on Pages 92C and 92D. 7N4574 Housing and 6N7829
Pump parts are shown on Pages 113B and 114A

7N-6389 PUMP GP-FUEL INJECTION

7N6389 FUEL INJECTION PUMP GROUP--For Direct Injection Engine--Part 2--Type 2
Serial No. 28V2048-Up. Part of 9N3768 and 9N5837 Governor, Fuel Injection and Fuel Transfer Pump Groups
shown on Pages 92C and 92D

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--Part 1--Side View--For Direct
Injection Engine
Part of 9N2902 Governor, Fuel Injection & Fuel Transfer Pump Group shown on
Page 92. 4N779 Fuel Injection Housing & 7N1185 Pump parts are shown on
Pages 112, 113 & 114

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--Part 2--End View--For Direct Injection Engine
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 92

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--Part 1--Side View--For Direct Injection
Engine--Type 2
Part of 9N2902 Governor, Fuel Injection & Fuel Transfer Pump Group shown on
Pages 92 & 92A. 4N779 Fuel Injection Housing & 7N1185 Pump parts are shown
on Pages 112, 113 & 114

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--Part 2--End View--For Direct Injection Engine--Type 2
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Pages 92 & 92A

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--Side View--Type 3
For Direct Injection Engine. Part of 9N2902 Governor, Fuel Injection and Fuel Transfer
Pump Group shown on Pages 92 and 92A. 4N779 Housing and 7N1185 Pump parts
are shown on Pages 112, 113 and 114

7N-1076 FUEL INJECTION PUMP GROUP

7N1076 FUEL INJECTION PUMP GROUP--End View--For Direct Injection Engine--Type 3
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Pages 92 and 92A

9N-3328 PUMP GP-FUEL INJECTION

9N3328 FUEL INJECTION PUMP GROUP--Part 1
Part of 9N3317 Governor, Fuel Injection & Fuel Transfer Pump Group shown on
Page 92B. 7N4574 Housing & 7N1185 Pump parts are shown on
Pages 113B and 114

9N-3328 PUMP GP-FUEL INJECTION

9N3328 FUEL INJECTION PUMP GROUP--Part 2
Part of 9N3317 Governor, Fuel Injection & Fuel Transfer Pump Group shown on Page 92B

9N-3328 PUMP GP-FUEL INJECTION

9N3328 FUEL INJECTION PUMP GROUP--Part 1--Type 2
Part of 9N3317 Governor, Fuel Injection and Fuel Transfer Pump Group shown on
Page 92B. 7N4574 Housing and 7N1185 Pump parts are shown on Pages 113B and 114

9N-3328 PUMP GP-FUEL INJECTION

9N3328 FUEL INJECTION PUMP GROUP--Part 2--Type 2
Part of 9N3317 Governor, Fuel Injection & Fuel Transfer Pump Group shown on Page 92B

4N-2637 FUEL INJECTION PUMP GROUP

4N2637 FUEL INJECTION PUMP GROUP--Part 1--Side View--For Precombustion
Chambered Engine. Serial No. 28V1 to 170, 172 to 272, 274 to 283, 285 to
311, 313, 316, 318 to 328, 330 to 338, 340 to 346, 364 to 385, 387, 389
to 395, 397, 398, 400, 402 to 404, 408 to 433, 440 & 28V453 inclusive
Part of 9L6540 Governor, Fuel Injection & Fuel Transfer Pump Group shown
on Page 93. 4N779 Fuel Injection Housing & 6N1043 Pump parts are shown
on Pages 112, 113 & 114

4N-2637 FUEL INJECTION PUMP GROUP

4N2637 FUEL INJECTION PUMP GROUP--Part 2--End View--For Precombustion Chambered Engine
Serial No. 28V1 to 170, 172 to 272, 274 to 283, 285 to 311, 313, 316, 318 to 328, 330 to 338, 340 to 346, 348 to 362, 364 to 385,
387, 389 to 395, 397, 398, 400, 402 to 404, 408 to 433, 440 & 28V453 inclusive. Part of 9L6540 Governor, Fuel Injection & Fuel
Transfer Pump Group shown on Page 93

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 1--Side View--For Precombustion
Chambered Engine. Serial No. 28V171, 273, 284, 312, 314, 315, 317, 329,
339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to
452 & 28V454-Up. Part of 9N2513 Governor, Fuel Injection & Fuel Transfer
Pump Group shown on Page 94. 4N779 Fuel Injection Housing & 6N1043
Pump parts are shown on Pages 112, 113 & 114

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 2--End View--For Precombustion Chambered Engine
Serial No. 28V171, 273, 284, 312, 314, 315, 317, 329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to 452
and 28V454-Up. Part of 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 94

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 1--Side View--Type 2--For
Precombustion Chambered Engine. Serial No. 28V171, 273, 284, 312, 314, 315, 317,
329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to 452 &
28V454-Up. Part of 9N2513 Governor, Fuel Injection & Fuel Transfer Pump Group
shown on Page 94. 4N779 Fuel Injection Housing & 6N1043 Pump parts are shown
on Pages 112, 113 & 114

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 2--End View--Type 2--For Precombustion Chambered Engine
Serial No. 28V171, 273, 284, 312, 314, 315, 317, 329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441
to 452 and 28V454-Up. Part of 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 94

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 1--Side View--Type 3
For Precombustion Chambered Engine. Serial No. 28V171, 273, 284, 312, 314, 315, 317,
329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to 452 and
28V454-Up. Part of 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Group
shown on Page 94. 4N779 Housing and 6N1043 Pump parts are shown on Pages 112,
113 and 114

7N-1233 FUEL INJECTION PUMP GROUP

7N1233 FUEL INJECTION PUMP GROUP--Part 2--End View--Type 3
For Precombustion Chambered Engine. Serial No. 28V171, 273, 284, 312, 314, 315, 317,
329, 339, 347, 363, 386, 388, 396, 399, 401, 405 to 407, 434 to 439, 441 to 452 and 28V454-Up
Part of 9N2513 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 94

9N-3326 PUMP GP-FUEL INJECTION

9N3326 FUEL INJECTION PUMP GROUP--Part 1--Side View--For Precombustion
Chambered Engine
Part of 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Group shown on
Page 94A. 7N4574 Housing & 6N1043 Pump parts are shown on Pages 113B & 114

9N-3326 PUMP GP-FUEL INJECTION

9N3326 FUEL INJECTION PUMP GROUP--Part 2--End View--For Precombustion Chambered Engine
Part of 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 94A

9N-3326 PUMP GP-FUEL INJECTION

9N3326 FUEL INJECTION PUMP GROUP--Part 1--Side View--Type 2
For Precombustion Chambered Engine. Serial No. 28V883-Up. Part of 9N3316 Governor,
Fuel Injection and Fuel Transfer Pump Group shown on Page 94A. 7N4574 Housing
and 6N1043 Pump parts are shown on Pages 113B and 114

9N-3326 PUMP GP-FUEL INJECTION

9N3326 FUEL INJECTION PUMP GROUP--Part 2--End View--Type 2
For Precombustion Chambered Engine. Serial No. 28V883-Up
Part of 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Group shown on Page 94A

4N-0779 HOUSING AS-PUMP

4N779 FUEL INJECTION HOUSING ASSEMBLY
Serial No. 28V1 to 28V452 inclusive. Part of 7N1076, 4N2637 & 7N1233
Fuel Injection Pump Groups shown on Pages 106, 108 & 110

4N-0779 HOUSING AS-PUMP

4N779 FUEL INJECTION HOUSING ASSEMBLY--Type 1
Serial No. 28V453-Up. Part of 7N1076, 4N2637 & 7N1233 Fuel Injection Pump Groups shown on Pages 106, 108 & 110

4N-0779 HOUSING AS-PUMP

4N779 FUEL INJECTION HOUSING ASSEMBLY--Type 2
Serial No. 28V453-Up
Part of 7N1076, 4N2637 & 7N1233 Fuel Injection Pump Groups shown on Pages 106, 108 & 110

7N-4574 HOUSING AS-PUMP

7N4574 FUEL INJECTION HOUSING ASSEMBLY--Type 1
Part of 7N6389, 9N3328 & 9N3326 Fuel Injection Pump Groups shown on Pages 105G, 107C & 111C

7N-4574 HOUSING AS-PUMP

7N4574 FUEL INJECTION HOUSING ASSEMBLY--Type 2
Part of 7N6389, 9N3328 & 9N3326 Fuel Injection Pump Groups shown on Pages 105G, 107C & 111c

7N-1185 PUMP GP-FUEL INJECTION

7N1185 FUEL INJECTION PUMP GROUP--For Direct Injection Engine
Part of 7N1076 & 9N3328 Fuel Injection Pump Groups shown on Pages 106 & 107C

6N-1043 PUMP GP-FUEL INJECTION

6N1043 FUEL INJECTION PUMP GROUP--For Precombustion Chambered Engine
Part of 4N2637, 7N1233 & 9N3326 Fuel Injection Pump Groups shown on
Pages 108, 110 & 111C

6N-7829 PUMP GP-FUEL INJECTION

6N7829 FUEL INJECTION PUMP GROUP--For Direct Injection Engine
Serial No. 28V2048-Up
Part of 7N6389 Fuel Injection Pump Group shown on Page 105F

PUMP GP-FUEL PRIMING

4N-3287 PUMP GP-FUEL PRIMING

4N3287 FUEL PRIMING PUMP GROUP

PUMP GP-FUEL TRANSFER

9N-2902 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-3317 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP

9N-3768 PUMP GP-GOV,FUEL INJ,FUEL TFR

9N-5837 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9L-6540 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-2513 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

9N-3316 PUMP GP-GOV,FUEL INJ,FUEL TFR

4N-1101 PUMP GP-FUEL TRANSFER

4N1101 FUEL TRANSFER PUMP GROUP
Part of 9N2902, 9L6540, 9N3317, 9N2513 & 9N3316 Governor, Fuel Injection and
Fuel Transfer Pump Groups shown on Pages 92, 92A, 93, 94 & 94B
4N1111 Pump parts are shown on Pages 115 and 115B

4N-1111 PUMP GP-FUEL TRANSFER

4N1111 FUEL TRANSFER PUMP GROUP--Type 1
Part of 4N1101 Fuel Transfer Pump Group

4N-1111 PUMP GP-FUEL TRANSFER

4N1111 FUEL TRANSFER PUMP GROUP--Type 2
Part of 4N1101 Fuel Transfer Pump Group shown on Page 115

TORQUE CONTROL GP

2S-9519 STOP GP-RACK

2S9519 RACK STOP GROUP--Type 1
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown
on Page 92

9N-2379 TORQUE CONTROL GROUP

9N2379 TORQUE CONTROL GROUP
Serial No. 28V1 to 28V435 inclusive. Part of 9L6540 and 9N2513 Governor, Fuel
Injection & Fuel Transfer Pump Groups shown on Pages 93 & 94

2S-9519 STOP GP-RACK

2S9519 RACK STOP GROUP--Type 2
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown
on Page 92

9N-2379 TORQUE CONTROL GROUP

9N2379 TORQUE CONTROL GROUP
Serial No. 28V436--Up. Part of 9L6540 and 9N2513 Governor, Fuel Injection and
Fuel Transfer Pump Groups shown on Pages 93 & 94

9N-3716 TORQUE CONTROL GROUP

9N3716 TORQUE CONTROL GROUP
Part of 9N2902 Governor, Fuel Injection and Fuel Transfer Pump Group shown
on Page 92A

9N-3724 CONTROL GP-TORQUE

9N3724 TORQUE CONTROL GROUP
Part of 9N3317 Governor, Fuel Injection & Fuel Transfer Pump Groups shown
on Page 92B

9N-2806 TORQUE CONTROL GP

9N2806 TORQUE CONTROL GROUP--For Direct Injection Engine
Serial No. 28V2048 to 28V4051 inclusive. Part of 9N3768 Governor, Fuel Injection and
Fuel Transfer Pump Group shown on Page 92C

9N-3724 CONTROL GP-TORQUE

9N3724 TORQUE CONTROL GROUP--Type 2
Part of 9N3317 Governor, Fuel Injection and Fuel Transfer Pump Group shown on
Page 92B

1W-2530 TORQUE CONTROL GP

1W2530 TORQUE CONTROL GROUP--For Direct Injection Engine
Serial No. 28V4052--Up. Part of 9N3768 Governor, Fuel Injection and Fuel Transfer
Pump Group shown on Page 92C-2

9N-1071 CONTROL GP-TORQUE

9N1071 TORQUE CONTROL GROUP
Part of 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Group shown on
Page 94A-2

9N-3331 CONTROL GP-TORQUE

9N3331 TORQUE CONTROL GROUP
Serial No. 28V883 to 28V988 inclusive. Part of 9N3316 Governor, Fuel Injection and
Fuel Transfer Pump Group shown on Page 94A

9N-3331 CONTROL GP-TORQUE

9N3331 TORQUE CONTROL GROUP
Serial No. 28V989--Up
Part of 9N3316 Governor, Fuel Injection and Fuel Transfer Pump Group shown
on Page 94A

7N-3655 TORQUE CONTROL GP

7N3655 TORQUE CONTROL GROUP
Part of 9N3316 Governor, Fuel Injection and Fuel
Transfer Pump Group shown on page 94A-2

9N-2893 CONTROL GP-TORQUE

9N2893 TORQUE CONTROL GROUP
Serial No. 28V2616--Up. Part of 9N5837 Governor, Fuel Injection and Fuel
Transfer Pump Group shown on Page 92D

9N-6752 CONTROL GP-TORQUE

9N6752 TORQUE CONTROL GROUP
FOR USE ONLY WITH 9N802 AND 9N5226 ENGINE ARRANGEMENTS
Serial No. 28V3335--Up. AN ATTACHMENT

9N-6489 TORQUE CONTROL GROUP

9N6489 TORQUE CONTROL GROUP
Serial No. 28V3612--Up
AN ATTACHMENT

Information:

(For parts list, see above)

FUEL SYSTEM

CAMSHAFT AS

Service Magazine

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}
1991/05/20

CONTROL GP-DECELERATOR

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

CONTROL GP-FUEL

Truck Engine News

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/02/04

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/09

New Diaphragm Used In Fuel Ratio Control
1982/03/31

Improvements Made To Fuel Ratio Control
1982/12/08

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/31

New Components Used In Fuel Ratio Control Groups
1992/05/01

Engine News

New Spring Used In Fuel Ratio Control
1977/03/15

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control
1978/04/05

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Specifications

Fuel Ratio Control
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Ratio Control
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

CONTROL GP-FUEL INJECTION

Special Instruction

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Service Magazine

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

CONTROL GP-FUEL RATIO

Truck Engine News

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/02/04

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/09

New Diaphragm Used In Fuel Ratio Control
1982/03/31

Improvements Made To Fuel Ratio Control
1982/12/08

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/31

New Components Used In Fuel Ratio Control Groups
1992/05/01

Engine News

Possible Cause Of A Low Idle Misfire And/Or Backfire
1980/06/04

New Spring Used In Fuel Ratio Control
1977/03/15

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control
1978/04/05

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Specifications

Fuel Ratio Control
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Ratio Control
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

CONTROL GP-GOVERNOR

Truck Engine News

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/10/05

Engine News

New Spring Used In Fuel Ratio Control
1977/03/15

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal
1978/02/08

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power
1978/04/05

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control
1978/04/05

Special Instruction

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}

Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Specifications

Governor Control Linkage
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines{7400,1265}
1980/06/30

Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines{7400,1265}
1980/11/03

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal{1265,1269}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power{1265,1269}
1978/03/27

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

DRIVE GP-TACHOMETER

Specifications

Tachometer Drive
3408 & 3408B DIESEL TRUCK ENGINE

FILTER GP-FUEL

Truck Engine News

Gasket Leakage On Aftermarket Fuel Filters
1985/12/01

Improved 1R-0712 Fuel Filter Available{1261}
1994/03/01

Troubleshooting Reminder For Low Power Or Intermittent Low Power Symptoms {1250,1252,1256,1260,1261,1273}
1998/09/01

Engine News

Inspect All Engine Oil And Fuel Filter Elements Before Installation
1980/11/12

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Specifications

Primary Fuel Filter
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Filter Base
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Priming Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Filter Base
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Gasket Leakage On Aftermarket Fuel Filters{1261}
1985/12/16

Do Not Use Plastic Tubing And Compression Fittings Without An Insert As A Fuel Supply Line{1274}
1978/06/26

New Larger Capacity Water Separator Is Available{1250}
1979/03/12

Improved 1R-0712 Fuel Filter Provides Improved Sealing{1261}
1994/03/28

Lubricant Will Ease Installation Of Secondary Radial Seal Air Filter Element {1054}
1994/04/25

Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}
1998/01/26

FUEL AR-HEAVY DISTILLATE

Special Instruction

Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}
Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}

Service Magazine

Fuel Sulfur Analyzer Available{0651,1280,1318}
1986/01/13

Diesel Fuel Recommendation Expanded{1280}
1977/02/14

High Sulfur Fuel Can Cause Severe Engine Wear And Internal Damage{1280}
1979/02/05

Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

FUEL GP-SCREED

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

FUEL SYSTEM GP

Special Instruction

Installation Of 8N9754 Fuel Heater Group{1296}
Installation Of 8N9754 Fuel Heater Group{1296}

Service Magazine

Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}
1986/04/21

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New 1U9139 Universal Fuel Line Pickup Available{0775}
1988/05/23

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.{0782}
1992/02/03

GOVERNOR GP

Truck Engine News

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle Rpm
1981/07/07

Part Number For Fuel Injection Pump Group In New Location
1981/11/13

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/17

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine
1982/03/31

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/09/01

Changes In Engine Rpm; Governor Does Not Operate Correctly
1982/10/27

Changes In Engine Rpm; Governor Does Not Operate Correctly
1983/01/26

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/10/05

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint
1983/11/23

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage
1984/05/23

Governor Flyweight Shield No Longer Used In New Scroll Fuel Systems
1985/01/01

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01

Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/27

Engine News

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings
1980/09/10

New Spring Used In Fuel Ratio Control
1977/03/15

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Improvements To Fuel Injection Pump And Governor
1977/06/08

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Fuel Transfer Pump Shaft With Chromium Plate
1977/10/12

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal
1978/02/08

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power
1978/04/05

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03

One-Piece Seat Used For Governor Spring
1978/05/03

Different O-Ring Seals Now Used In Fuel Injection Pump Group
1978/08/30

Special Instruction

Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Wiring Polarity on Woodward 2301 Governors{1289}
Wiring Polarity on Woodward 2301 Governors{1289}

Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}

Installation Of 4N779 And 7N6124 Fuel Injection Pump Housing Assemblies Or Fuel Injection Pump Groups{1251, 1253}
Installation Of 4N779 And 7N6124 Fuel Injection Pump Housing Assemblies Or Fuel Injection Pump Groups{1251, 1253}

Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Specifications

Fuel Injection Pump
3408 & 3408B DIESEL TRUCK ENGINE

Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Governor Drive And Oil Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump Drive
3408 & 3408B DIESEL TRUCK ENGINE

Governor Control Linkage
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance Unit (4N677, 6N3195 And 9N3959)
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing And Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pumps
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31

Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines{7400,1265}
1980/06/30

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines{7400,1265}
1980/11/03

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle RPM{1264,1803}
1981/05/25

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Date Plate{1257,1251,1264}
1981/09/21

Part Number For Fuel Injection Pump Group In New Location{1253,1286}
1981/11/09

New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22

Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1982/10/18

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1983/01/10

New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/16

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07

Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

Improvements To Fuel Injection Pump And Governor{1286}
1977/06/06

Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal{1265,1269}
1978/01/23

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power{1265,1269}
1978/03/27

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors{1264}
1978/05/01

Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/08/28

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06

Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
1979/09/10

New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly{1365}
1990/07/30

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}
1991/05/20

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

HEATER GP-FUEL

Special Instruction

Installation Of 8N9754 Fuel Heater Group{1296}
Installation Of 8N9754 Fuel Heater Group{1296}

Service Magazine

Fuel Heaters Are Now Available For Field Installation {1296}
1980/01/07

Repair Kit For Diesel Fuel Heater Available {1296}
1983/04/18

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

INJECTION GP-CETANE

Special Instruction

Installation Of 8N618, 8N619, 8N620 And 8N621 Ether Starting Aid Groups{1456}
Installation Of 8N618, 8N619, 8N620 And 8N621 Ether Starting Aid Groups{1456}

Service Magazine

New Elbow Between Turbocharger And Air Inlet Manifold Has Hole For Ether Starting Aid{1058,1456}
1977/11/21

Ether Starting Aid Groups Are Now Available{1456}
1979/01/22

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

LINES GP-FUEL

Truck Engine News

New Fuel Nozzle Adapter Assembly Used
1982/02/17

New Washers Permit Locks To Hold Better
1982/02/17

Do Not Use A Wire Brush On Fuel Nozzles
1982/09/29

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/27

New Fuel Nozzle Test Sheet Available
1982/10/27

Bulged Capsule-type Fuel Nozzles
1982/10/27

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08

New Fuel Nozzle Adapters Used
1983/05/18

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position
1984/04/04

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles
1985/04/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/07/01

Check Fuel Injection Nozzles In Overheated Engines
1985/09/01

Gasket Leakage On Aftermarket Fuel Filters
1985/12/01

Bleed Screw Washer (seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles
1986/10/01

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles
1989/03/01

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines
1992/01/01

Identification Of Remanufactured Direct Injection Fuel Nozzles (DlFN)
1992/04/01

Improved 1R-0712 Fuel Filter Available{1261}
1994/03/01

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles {1254}
1994/05/31

Shutoff Valve In Fuel Return Lines{1274,1279}
1995/10/01

Engine News

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly
1979/03/07

Use New Adapter To Make Tests Of 9L6884 Nozzles
1979/05/09

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines
1979/10/24

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems
1980/02/27

Inspect All Engine Oil And Fuel Filter Elements Before Installation
1980/11/12

Needle Valve May Be Needed To Accurately Measure Engine Return Fuel Flow{1250,0782}
1999/04/01

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24

Do Not Use Plastic Tubing And Compression Fittings Without An Insert As A Fuel Supply Line
1978/07/05

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned
1978/08/16

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

7000 Series Nozzles{0782}
7000 Series Nozzles{0782}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Specifications

Fuel Injection Nozzles And Adapters
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Lines
3408 & 3408B DIESEL TRUCK ENGINE

Primary Fuel Filter
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Filter Base
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Filter Base
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Lines
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Valves (Precombustion Chamber)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Valves (Direct Injection)
3408 & 3408B DIESEL TRUCK ENGINE

Direct Injection Adapters
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Nozzles (Direct Injection With Earlier 7000 Series Nozzles)
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
1980/02/25

Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12

Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Washers Permit Locks To Hold Better{1252}
1982/01/25

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach{0651}
1982/05/03

Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27

New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04

Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

New Fuel Nozzle Adapters Used{1106}
1983/05/09

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01

New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage{1252}
1985/07/15

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Gasket Leakage On Aftermarket Fuel Filters{1261}
1985/12/16

Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07

Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}
1986/04/21

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29

Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Do Not Use Plastic Tubing And Compression Fittings Without An Insert As A Fuel Supply Line{1274}
1978/06/26

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07

New Drive Adapters For Fuel Injection Test Bench{0650}
1978/09/11

New 1U9139 Universal Fuel Line Pickup Available{0775}
1988/05/23

New Larger Capacity Water Separator Is Available{1250}
1979/03/12

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/12

Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}
1979/04/23

Fuel Injection Line For Injection Test Bench Is Available From Caterpillar{0652,1250}
1979/07/02

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines {1254}
1979/10/29

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque{1252}
1989/09/11

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.{0782}
1992/02/03

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

Improved 1R-0712 Fuel Filter Provides Improved Sealing{1261}
1994/03/28

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}
1998/01/26

LINES GP-FUEL INJECTION

Truck Engine News

Identification Of Remanufactured Direct Injection Fuel Nozzles (DlFN)
1992/04/01

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles {1254}
1994/05/31

Engine News

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly
1979/03/07

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems
1980/02/27

Special Instruction

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Disassembly and Assembly

Fuel Injection Valves (Precombustion Chamber)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Valves (Direct Injection)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Nozzles (Direct Injection With Earlier 7000 Series Nozzles)
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
1980/02/25

Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

New Washers Permit Locks To Hold Better{1252}
1982/01/25

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach{0651}
1982/05/03

Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27

New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04

Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage{1252}
1985/07/15

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07

Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}
1986/04/21

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29

Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/12

Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}
1979/04/23

Fuel Injection Line For Injection Test Bench Is Available From Caterpillar{0652,1250}
1979/07/02

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines {1254}
1979/10/29

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque{1252}
1989/09/11

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

LINES GP-FUEL RATIO CONTROL

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

Disassembly and Assembly

Fuel Ratio Control
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Improvements Made To Fuel Ratio Control {1278}
1982/11/29

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

METER GP-SERVICE

Self-Powered Hour Meters Available{7480,7450}
1987/02/16

Polarity Connections And Use Of Service Meter Films When Service Meter Kits Are Installed{7480,7000}
1987/02/16

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

More Potting Material Now Used In 6N5906 Electric Service Meter{7480}
1979/11/26

MISCELLANEOUS INFORMATION

Truck Engine News

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/02/04

Do Not Adjust The Fuel Setting Or High Idle Higher Than Necessary
1981/03/06

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle Rpm
1981/07/07

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/09

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation
1981/09/09

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Data Plate
1981/09/23

Part Number For Fuel Injection Pump Group In New Location
1981/11/13

New Fuel Nozzle Adapter Assembly Used
1982/02/17

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/17

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine
1982/03/31

New Diaphragm Used In Fuel Ratio Control
1982/03/31

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/09/01

Caterpillar Recommends Against The Use Of Alcohol Mist Injection Systems
1982/09/01

Service Information For Easier Use Of The 6V3100 Timing Indicator Group
1982/10/27

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications
1982/10/27

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/27

New Fuel Nozzle Test Sheet Available
1982/10/27

Bulged Capsule-type Fuel Nozzles
1982/10/27

Changes In Engine Rpm; Governor Does Not Operate Correctly
1982/10/27

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08

Improvements Made To Fuel Ratio Control
1982/12/08

Changes In Engine Rpm; Governor Does Not Operate Correctly
1983/01/26

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/31

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/10/05

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage
1984/05/23

Governor Flyweight Shield No Longer Used In New Scroll Fuel Systems
1985/01/01

Cross Link Between Fuel Racks Has Smoother Surface
1985/03/01

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles
1985/04/01

Check Fuel Injection Nozzles In Overheated Engines
1985/09/01

Steel Fuel Pump Lifter Used
1985/09/01

Anti-seize Compound And/or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/11/01

Gasket Leakage On Aftermarket Fuel Filters
1985/12/01

Fuel Sulfur Analyzer Available
1986/01/01

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers
1986/03/01

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01

Bleed Screw Washer (seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01

New Engine Timing Indicator Group Available
1986/07/01

Changes Have Been Made To 0T Microfiche (Fuel Setting And Related Information)
1986/07/01

Update Information For Caterpillar Fuel Injection Equipment Test Stand
1986/07/01

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas
1986/10/01

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles
1986/10/01

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals
1986/11/01

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles
1989/03/01

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines
1992/01/01

Identification Of Remanufactured Direct Injection Fuel Nozzles (DlFN)
1992/04/01

New Components Used In Fuel Ratio Control Groups
1992/05/01

Improved 1R-0712 Fuel Filter Available{1261}
1994/03/01

New "Fuel System Reuse And Salvage Guides" Reference Manual Available{1250}
1997/04/01

Lubricity Limit Added To Preferred Distillate Fuel Recommendation{1280}
1997/08/01

New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" Available{0374,1250}
1998/06/01

Engine News

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly
1979/03/07

Use New Adapter To Make Tests Of 9L6884 Nozzles
1979/05/09

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines
1979/10/24

Fuel Heaters Are Now Available For Field Installation
1980/01/09

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems
1980/02/27

Possible Cause Of A Low Idle Misfire And/Or Backfire
1980/06/04

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings
1980/09/10

Inspect All Engine Oil And Fuel Filter Elements Before Installation
1980/11/12

New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" Available {0374,1250}
1998/06/01

Needle Valve May Be Needed To Accurately Measure Engine Return Fuel Flow{1250,0782}
1999/04/01

Use 154-8100 Fuel System Arrangement And 154-8101 Fuel System Group To Measure Engine Fuel Flow{1250,0782}
1999/04/01

New Spring Used In Fuel Ratio Control
1977/03/15

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Improvements To Fuel Injection Pump And Governor
1977/06/08

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24

Fuel Transfer Pump Shaft With Chromium Plate
1977/10/12

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal
1978/02/08

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power
1978/04/05

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control
1978/04/05

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03

One-Piece Seat Used For Governor Spring
1978/05/03

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned
1978/08/16

Different O-Ring Seals Now Used In Fuel Injection Pump Group
1978/08/30

Special Instruction

Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}
Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}

Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}
Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}

Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}
Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}

Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Service Magazine

Fuel Heaters Are Now Available For Field Installation {1296}
1980/01/07

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
1980/02/25

Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12

Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines{7400,1265}
1980/06/30

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19

Do Not Adjust The Fuel Setting Or High Idle Higher Than Necessary{1257}
1981/02/23

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation{0653,1206,1156}
1981/08/31

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Date Plate{1257,1251,1264}
1981/09/21

Part Number For Fuel Injection Pump Group In New Location{1253,1286}
1981/11/09

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22

New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine{0651,0654,1250}
1982/03/22

Lubricant Recommendations Changed For All Caterpillar Engines To Combat Effects Of Fuel Sulfur{1318,0375,0374,1280}
1982/05/03

Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16

Added Methods To Decrease The Effects Of High Sulfur Fuels{1355,1280,1318,1000}
1982/08/30

Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27

New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04

Field Conversion Procedure For EPA Certified On-Highway Truck And On-Highway Vehicle Engines{0374,0375,7557,1250}
1982/10/11

Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1982/10/18

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1983/01/10

New Fuel Nozzle Adapters Used{1106}
1983/05/09

New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/16

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04

Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07

Why MPG Suffers In Cold Weather{1250,1280}
1983/11/14

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage{1253}
1984/05/14

Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Check 5P7435 Tee Adapter Groups In The 6V3100 Engine Timing Indicator Groups{0782}
1985/06/03

New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28

Engine Information Plate Contains More Data; Use Of Performance Specifications{1250,7557}
1985/10/28

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11

Gasket Leakage On Aftermarket Fuel Filters{1261}
1985/12/16

Fuel Sulfur Analyzer Available{0651,1280,1318}
1986/01/13

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10

Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07

Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}
1986/04/21

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

Update Information For Caterpillar Fuel Injection Equipment Test Stand{0782}
1986/06/16

Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29

Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10

Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14

Diesel Fuel Recommendation Expanded{1280}
1977/02/14

New Spring Used In Fuel Ratio Control{1278}
1977/03/21

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

Improvements To Fuel Injection Pump And Governor{1286}
1977/06/06

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

New Elbow Between Turbocharger And Air Inlet Manifold Has Hole For Ether Starting Aid{1058,1456}
1977/11/21

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

Improved Fuel Priming Pump Used{1258}
1987/04/20

Black Light Leak Detection Kit Available For Oil, Fuel and Cooling Systems {0774,1250,1300,1350}
1987/05/11

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters {1281,1250}
1987/09/28

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal{1265,1269}
1978/01/23

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30

New Water Temperature Regulator Opens At 180°F (82°C){1350,1355,7304}
1978/02/06

Probable Causes Of Low Fuel Delivery During Testing On Fuel Injection Test Benches{0650,1250}
1978/02/06

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Do Not Use Plastic Tubing And Compression Fittings Without An Insert As A Fuel Supply Line{1274}
1978/06/26

Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/08/28

New Drive Adapters For Fuel Injection Test Bench{0650}
1978/09/11

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

Adjustment Procedures And Lubrication Recommendations For Drive Pulleys On Caterpillar Fuel Injection Test Bench{0652}
1978/09/25

Caterpillar Fuel Injection Test Bench Book{0374}
1978/10/16

Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16

New FT2253 Cable Assembly Drawing Available For Kent-Moore Fuel Injection Test Bench{0782}
1988/01/04

Some Components Of The Variable Pulley And Adjustable Pulley On The Kent-Moore Fuel Injection Test Bench Are Available From Caterpillar{0782}
1988/04/18

New 1U9139 Universal Fuel Line Pickup Available{0775}
1988/05/23

Ether Starting Aid Groups Are Now Available{1456}
1979/01/22

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

High Sulfur Fuel Can Cause Severe Engine Wear And Internal Damage{1280}
1979/02/05

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27

More Potting Material Now Used In 6N5906 Electric Service Meter{7480}
1979/11/26

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06

New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly{1365}
1990/07/30

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.{0782}
1992/02/03

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20

New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25

NOZZLE AS-FUEL VALVE

Special Instruction

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

Service Magazine

Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27

New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04

Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22

New Fuel Nozzle Adapters Used{1106}
1983/05/09

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07

Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07

New Drive Adapters For Fuel Injection Test Bench{0650}
1978/09/11

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/12

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

NOZZLE GP-UNIT INJECTOR

Special Instruction

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

Service Magazine

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

PROTECTION GP-FUEL SYSTEM

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

PUMP GP-FUEL INJECTION

Truck Engine News

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle Rpm
1981/07/07

Part Number For Fuel Injection Pump Group In New Location
1981/11/13

New Fuel Nozzle Adapter Assembly Used
1982/02/17

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/17

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine
1982/03/31

Fuel Rack Slots Have Improved Wear Resistance
1982/05/19

Do Not Use A Wire Brush On Fuel Nozzles
1982/09/29

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/27

New Fuel Nozzle Test Sheet Available
1982/10/27

Bulged Capsule-type Fuel Nozzles
1982/10/27

Changes In Engine Rpm; Governor Does Not Operate Correctly
1982/10/27

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08

Changes In Engine Rpm; Governor Does Not Operate Correctly
1983/01/26

New Specification For Clearance Between Fuel Rack Slot And Cross Link
1983/05/18

New Fuel Nozzle Adapters Used
1983/05/18

Damaged Lifter Bores In 3400 Series Engines Can Be Used Again
1983/06/29

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/10/05

New Valve Lifter Assemblies Used In Valve Mechanism Groups
1983/11/23

Procedure To Remove Sharp Edges From Fuel Racks
1984/02/15

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position
1984/04/04

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage
1984/05/23

Governor Flyweight Shield No Longer Used In New Scroll Fuel Systems
1985/01/01

Cross Link Between Fuel Racks Has Smoother Surface
1985/03/01

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles
1985/04/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/07/01

Check Fuel Injection Nozzles In Overheated Engines
1985/09/01

New 8T2998 Lubricant Available
1986/02/01

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01

Bleed Screw Washer (seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/09/01

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles
1986/10/01

Improved Valve Mechanism Cover Groups
1987/12/01

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles
1989/03/01

Identification Of Remanufactured Direct Injection Fuel Nozzles (DlFN)
1992/04/01

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles {1254}
1994/05/31

Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/27

Engine News

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly
1979/03/07

Use New Adapter To Make Tests Of 9L6884 Nozzles
1979/05/09

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines
1979/10/24

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems
1980/02/27

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings
1980/09/10

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Improvements To Fuel Injection Pump And Governor
1977/06/08

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Fuel Transfer Pump Shaft With Chromium Plate
1977/10/12

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal
1978/02/08

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power
1978/04/05

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03

One-Piece Seat Used For Governor Spring
1978/05/03

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned
1978/08/16

Different O-Ring Seals Now Used In Fuel Injection Pump Group
1978/08/30

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Wiring Polarity on Woodward 2301 Governors{1289}
Wiring Polarity on Woodward 2301 Governors{1289}

Use Of 6V-4180 Timing Fixture Group To Check Off-Engine Timing Dimension Setting{1251, 0653}
Use Of 6V-4180 Timing Fixture Group To Check Off-Engine Timing Dimension Setting{1251, 0653}

Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}
Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}

Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}

Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Installation Of 8N618, 8N619, 8N620 And 8N621 Ether Starting Aid Groups{1456}
Installation Of 8N618, 8N619, 8N620 And 8N621 Ether Starting Aid Groups{1456}

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

7000 Series Nozzles{0782}
7000 Series Nozzles{0782}

Specifications

Fuel Injection Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Nozzles And Adapters
3408 & 3408B DIESEL TRUCK ENGINE

Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Governor Drive And Oil Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump Drive
3408 & 3408B DIESEL TRUCK ENGINE

Governor Control Linkage
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance Unit (4N677, 6N3195 And 9N3959)
3408 & 3408B DIESEL TRUCK ENGINE

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Disassembly and Assembly

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing And Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pumps
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Valves (Precombustion Chamber)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Valves (Direct Injection)
3408 & 3408B DIESEL TRUCK ENGINE

Direct Injection Adapters
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Nozzles (Direct Injection With Earlier 7000 Series Nozzles)
3408 & 3408B DIESEL TRUCK ENGINE

Rocker Shaft Assembly And Push Rods
3408 & 3408B DIESEL TRUCK ENGINE

Rocker Shaft Assembly
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
1980/02/25

Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Special Cup Plugs For Use In Oversize (Larger Than Standard Size) Bores In Valve Rocker Arm Shafts{1102}
1980/09/15

Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29

Larger Plug Used In The Ends Of The Rocker Arm Shaft Assembly{1102}
1980/12/01

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle RPM{1264,1803}
1981/05/25

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Date Plate{1257,1251,1264}
1981/09/21

Part Number For Fuel Injection Pump Group In New Location{1253,1286}
1981/11/09

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22

Reminder: Check Valve Lash Adjustment At Correct Intervals{1102}
1982/04/05

New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach{0651}
1982/05/03

Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27

New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04

Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1982/10/18

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1983/01/10

New Fuel Nozzle Adapters Used{1106}
1983/05/09

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07

Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage{1253}
1984/05/14

Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14

New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01

New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage{1252}
1985/07/15

Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Cylinder Head And Valve Rocker Arm Brackets Have Oil Supply Passages In A Different Location To Prevent Possible Oil Leakage Into Cooling System {1100,1102,1350}
1985/10/21

Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10

Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

Update Information For Caterpillar Fuel Injection Equipment Test Stand{0782}
1986/06/16

Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

New Tie Bars Improve Stability Of The Fuel Injection Test Bench{0652}
1977/01/17

Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14

Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines{0650,1257}
1977/05/16

Improvements To Fuel Injection Pump And Governor{1286}
1977/06/06

Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

New Elbow Between Turbocharger And Air Inlet Manifold Has Hole For Ether Starting Aid{1058,1456}
1977/11/21

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters {1281,1250}
1987/09/28

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal{1265,1269}
1978/01/23

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Probable Causes Of Low Fuel Delivery During Testing On Fuel Injection Test Benches{0650,1250}
1978/02/06

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power{1265,1269}
1978/03/27

A Gasket Group Is Available To Give Improved Sealing For The Oil Supply To The Rocker Arms On Early Engines{1101,1102,1221}
1978/04/03

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors{1264}
1978/05/01

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07

Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/08/28

New Drive Adapters For Fuel Injection Test Bench{0650}
1978/09/11

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

Adjustment Procedures And Lubrication Recommendations For Drive Pulleys On Caterpillar Fuel Injection Test Bench{0652}
1978/09/25

Caterpillar Fuel Injection Test Bench Book{0374}
1978/10/16

New FT2253 Cable Assembly Drawing Available For Kent-Moore Fuel Injection Test Bench{0782}
1988/01/04

Some Components Of The Variable Pulley And Adjustable Pulley On The Kent-Moore Fuel Injection Test Bench Are Available From Caterpillar{0782}
1988/04/18

Ether Starting Aid Groups Are Now Available{1456}
1979/01/22

New Fuel Injection Lines Groups Use A Different Fuel Injection Nozzle Assembly{1254}
1979/03/12

Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}
1979/04/23

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

Fuel Injection Line For Injection Test Bench Is Available From Caterpillar{0652,1250}
1979/07/02

Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06

7N9843 Fuel Injection Valve Nozzle Assembly Now Used In Truck Engines {1254}
1979/10/29

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque{1252}
1989/09/11

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}
1991/05/20

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

PUMP GP-FUEL PRIMING

Engine News

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR INSTALLING A HAND PRIMING FUEL PUMP ON CERTAIN C7, C9, C10, C11, C12, C13, C15, C16, C18, C30, C32, E90 3126, 3176, 3196, 3456, 3406, G3406, 3408 AND 3412 ENGINES
PRODUCT SUPPORT PROGRAM FOR INSTALLING A HAND PRIMING FUEL PUMP ON CERTAIN C7, C9, C10, C11, C12, C13, C15, C16, C18, C30, C32, E90 3126, 3176, 3196, 3456, 3406, G3406, 3408 AND 3412 ENGINES

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Fuel Priming Pump
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22

Gasket Leakage On Aftermarket Fuel Filters{1261}
1985/12/16

Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10

Improved Fuel Priming Pump Used{1258}
1987/04/20

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Do Not Use Plastic Tubing And Compression Fittings Without An Insert As A Fuel Supply Line{1274}
1978/06/26

New Larger Capacity Water Separator Is Available{1250}
1979/03/12

Improved 1R-0712 Fuel Filter Provides Improved Sealing{1261}
1994/03/28

Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}
1998/01/26

PUMP GP-FUEL TRANSFER

Truck Engine News

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle Rpm
1981/07/07

Part Number For Fuel Injection Pump Group In New Location
1981/11/13

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/17

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine
1982/03/31

Changes In Engine Rpm; Governor Does Not Operate Correctly
1982/10/27

Changes In Engine Rpm; Governor Does Not Operate Correctly
1983/01/26

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/10/05

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage
1984/05/23

Governor Flyweight Shield No Longer Used In New Scroll Fuel Systems
1985/01/01

Steel Fuel Pump Lifter Used
1985/09/01

Anti-seize Compound And/or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/11/01

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01

Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/27

Engine News

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings
1980/09/10

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13

Improvements To Fuel Injection Pump And Governor
1977/06/08

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Fuel Transfer Pump Shaft With Chromium Plate
1977/10/12

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal
1978/02/08

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power
1978/04/05

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03

One-Piece Seat Used For Governor Spring
1978/05/03

Different O-Ring Seals Now Used In Fuel Injection Pump Group
1978/08/30

Special Instruction

Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Wiring Polarity on Woodward 2301 Governors{1289}
Wiring Polarity on Woodward 2301 Governors{1289}

Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}
Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}

Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}
Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}

Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}

Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}

Specifications

Fuel Injection Pump
3408 & 3408B DIESEL TRUCK ENGINE

Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Governor Drive And Oil Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Transfer Pump Drive
3408 & 3408B DIESEL TRUCK ENGINE

Governor Control Linkage
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance Unit (4N677, 6N3195 And 9N3959)
3408 & 3408B DIESEL TRUCK ENGINE

Disassembly and Assembly

Fuel Transfer Pump
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Earlier)
3408 & 3408B DIESEL TRUCK ENGINE

Governor (Later)
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing And Governor
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pumps
3408 & 3408B DIESEL TRUCK ENGINE

Fuel Injection Pump Housing
3408 & 3408B DIESEL TRUCK ENGINE

Automatic Timing Advance
3408 & 3408B DIESEL TRUCK ENGINE

Service Magazine

Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31

Special Bolts Available For Better Protection Against Modifications Of Fuel System And Governor Settings{1264,1278}
1980/08/25

Air System Leakage Can Cause Problems With Engine Governor Stability At Low Idle RPM{1264,1803}
1981/05/25

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Date Plate{1257,1251,1264}
1981/09/21

Part Number For Fuel Injection Pump Group In New Location{1253,1286}
1981/11/09

New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1982/10/18

Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1983/01/10

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07

Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06

New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage{1253}
1984/05/14

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines{0650,1257}
1977/05/16

Improvements To Fuel Injection Pump And Governor{1286}
1977/06/06

Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10

Improved Fuel Priming Pump Used{1258}
1987/04/20

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters {1281,1250}
1987/09/28

Design Of Governor Control Linkage Changed; Less Force Is Needed To Move The Accelerator Pedal{1265,1269}
1978/01/23

Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

Correct Adjustment Of The Governor Control Linkage In Truck Engines Is Necessary To Prevent Low Power{1265,1269}
1978/03/27

O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors{1264}
1978/05/01

Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/08/28

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}
1991/05/20

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

PUMP GP-REFUELING

Special Instruction

Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}
Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}

RACK SETTING GP

Service Magazine

Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10

Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30

Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16

Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
1979/09/10

REGULATOR GP-GAS PRESSURE

Added Methods To Decrease The Effects Of High Sulfur Fuels{1355,1280,1318,1000}
1982/08/30

New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17

New Water Temperature Regulator Opens At 180°F (82°C){1350,1355,7304}
1978/02/06

SEPARATOR GP-WATER

New Larger Capacity Water Separator Is Available{1250}
1979/03/12

Be Sure To Correctly Tighten 1R-0712, 1R-0740, 1R-0749, 1R-0750, 1R-0751, 1R-0753, And 1R-0759 Fuel Filter Assemblies {1261}
1998/01/26

SHUTOFF GP

Engine News

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Special Instruction

Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}

Service Magazine

Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

SHUTOFF GP-MANUAL

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

SUPPLY GP-FUEL

Correct Position Of The Bleed Hole In The Fuel Line Adapter{1252}
1986/04/21

New 1U9139 Universal Fuel Line Pickup Available{0775}
1988/05/23

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.{0782}
1992/02/03

TANK GP-FUEL

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

THROTTLE GP

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05

New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly{1365}
1990/07/30

TOOLS

Truck Engine News

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation
1981/09/09

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/09/01

Service Information For Easier Use Of The 6V3100 Timing Indicator Group
1982/10/27

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications
1982/10/27

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08

Fuel Sulfur Analyzer Available
1986/01/01

New Engine Timing Indicator Group Available
1986/07/01

Update Information For Caterpillar Fuel Injection Equipment Test Stand
1986/07/01

Price Adjustments On Service Program Modules
1990/10/01

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines
1992/01/01

Engine News

Timing Groups To Be Canceled
1980/07/09

Use 154-8100 Fuel System Arrangement And 154-8101 Fuel System Group To Measure Engine Fuel Flow{1250,0782}
1999/04/01

Special Instruction

Troubleshooting And Repair Of The 5P2160 Engine Horsepower Meter Arrangement*{0781, 0782}
Troubleshooting And Repair Of The 5P2160 Engine Horsepower Meter Arrangement^*{0781, 0782}

Using The 5P2160 Engine Horsepower Meter Arrangement*{0781, 0782}
Using The 5P2160 Engine Horsepower Meter Arrangement^*{0781, 0782}

Troubleshooting And Repair Of The 1P3500 And 2P8280 Injection Timing Groups{0782}
Troubleshooting And Repair Of The 1P3500 And 2P8280 Injection Timing Groups{0782}

Using The 5P-4150 Nozzle Testing Group{0782}
Using The 5P-4150 Nozzle Testing Group{0782}

Installation Of 6V124 Drive Coupling Modification Kit{0650, 0706, 1250}
Installation Of 6V124 Drive Coupling Modification Kit{0650, 0706, 1250}

Service Information And Use of 6V3100 Engine Timing Indicator Group{0782}
Service Information And Use of 6V3100 Engine Timing Indicator Group{0782}

Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}

Using The 6V4950 Injection Line Speed Pickup Group{0782}
Using The 6V4950 Injection Line Speed Pickup Group{0782}

Electronic Repair Of 6V3100 Diesel Engine Timing Indicator{0651, 1250}
Electronic Repair Of 6V3100 Diesel Engine Timing Indicator{0651, 1250}

Use And Repair Of The 6V7925 Fuel Rate Indicator{0782}
Use And Repair Of The 6V7925 Fuel Rate Indicator{0782}

Using 8S2305, 9S228, And 6V9128 Rack Position Tool Groups{0782, 1250}
Using 8S2305, 9S228, And 6V9128 Rack Position Tool Groups{0782, 1250}

Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}
Use And Maintenance Of 8T0910 Fuel Sulfur Analyzer Group{0786, 1280}

Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}
Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}

Using The 8T1000 Position Indicator Group{0760, 0762}
Using The 8T1000 Position Indicator Group{0760, 0762}

Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}
Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}

Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}
Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}

Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}

7000 Series Nozzles{0782}
7000 Series Nozzles{0782}

Tool Operating Manual

Using the Caterpillar Fuel Flow Monitor System{0782, 1000, 1250}
Using the Caterpillar Fuel Flow Monitor System{0782, 1000, 1250}

Service Magazine

Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation{0653,1206,1156}
1981/08/31

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16

Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications{0651,1250,1156,1157}
1982/10/11

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Check 5P7435 Tee Adapter Groups In The 6V3100 Engine Timing Indicator Groups{0782}
1985/06/03

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

Update Information For Caterpillar Fuel Injection Equipment Test Stand{0782}
1986/06/16

New Engine Timing Indicator Group Available {0781,0782}
1986/07/07

Fabricated Extension Prevents Fuel "Splash" During Injection Valve Testing{0650,1254}
1977/10/17

With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

The Caterpillar Fuel Flow Monitor System Available {0782,1000,1250}
1987/05/11

Two New Self-Powered Digital Tachometers And Signal Generator Available {7462}
1987/05/11

5P4149 Conversion Group To Become A Discontinued Item On October 1, 1978{0650,1254}
1978/03/27

Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24

Four New Contact Points Added To 5P6524 Engine Timing Indicator Group{0653}
1978/08/07

New 5P8744 Adapter Assembly And Special Instruction Procedures For 5P4150 Nozzle Tester Group{0650}
1978/08/28

4J7533 O-Ring Seals Now Available For Parts Service Of The 5P4150 Nozzle Tester Group{0651}
1978/10/09

Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16

New FT2253 Cable Assembly Drawing Available For Kent-Moore Fuel Injection Test Bench{0782}
1988/01/04

Some Components Of The Variable Pulley And Adjustable Pulley On The Kent-Moore Fuel Injection Test Bench Are Available From Caterpillar{0782}
1988/04/18

New 1U9139 Universal Fuel Line Pickup Available{0775}
1988/05/23

9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28

6V183 Gasket Now Available For Parts Service To Use On 5P4150 Or 8S2242 Nozzle Tester{0651}
1979/06/25

Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03

Fast Fuel Delivery Couplings And Fast Oil Change Couplings Are Available For All Caterpillar Equipment{0671,1273,1279,1325}
1979/10/08

Price Adjustments On Service Program Modules{1902,0782}
1990/10/08

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.{0782}
1992/02/03

TORQUE CONTROL GP

Engine News

One-Piece Seat Used For Governor Spring
1978/05/03

Special Instruction

Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Service Magazine

Do Not Adjust The Fuel Setting Or High Idle Higher Than Necessary{1257}
1981/02/23

Use Only EPA-Approved Rack And Idle Setting; Change Seal, Date Plate{1257,1251,1264}
1981/09/21

Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10

New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/16

Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06

Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11

Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02

Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09

More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22

Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03

Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30

Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25

Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
1979/09/10

VALVE GP-CONTROL

Engine News

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control
1978/04/05

Service Magazine

New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11

Soft Washers And Lockwashers Are Now Used With The Mounting Bolts For Air-Fuel Ratio Control{1278,1264}
1978/03/13

VALVE GP-SOLENOID

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23

Truck sale:

USD $34,000

1986 CAT 3408B

Empire Power Systems
PHOENIX, Arizona

USD $9,228

CAT 3408B

The Dutch Engine and Pump Company BV
Ridderkerk, The Netherlands

Call

CAT 3408B

Coastal Power & Equipment
Texas