3406 INDUSTRIAL ENGINE 90U00001-00439 FUEL SYSTEM Caterpillar SIS

INDUSTRIAL ENGINE 3406 INDUSTRIAL ENGINE 90U
3406 INDUSTRIAL ENGINE 90U00001-00439 UEG0728S 3406 90U (1973)

Parts group 3406:

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FUEL SYSTEM

CONTROL GP-FUEL RATIO

4N-1210 CONTROL GP-FUEL RATIO

4N1210 FUEL RATIO CONTROL GROUP--Type 1
4N4678 Fuel Ratio Control Parts are shown on Page 135
AN ATTACHMENT

4N-1210 CONTROL GP-FUEL RATIO

4N1210 FUEL RATIO CONTROL GROUP--Type 2
4N4678 Fuel Ratio Control parts are shown on Page 135
AN ATTACHMENT

9N-0836 CONTROL GP-FUEL RATIO

9N836 FUEL RATIO CONTROL GROUP
4N4678 Fuel Ratio Control parts are shown on Page 135
AN ATTACHMENT

9N-0792 CONTROL GP-FUEL RATIO

9N792 FUEL RATIO CONTROL
FACTORY INSTALLATION
6N651 Control parts are shown on Page 134C

6N-0651 CONTROL GP-FUEL RATIO

6N651 FUEL RATIO CONTROL GROUP
Part of 9N792 Fuel Ratio Control Group shown on Page 134A

4N-4678 CONTROL GP-FUEL RATIO

4N4678 FUEL RATIO CONTROL GROUP--Type 1
Part of 4N1210 and 9N836 Fuel Ratio Control Groups shown on Pages 134 and 134B

4N-4678 CONTROL GP-FUEL RATIO

4N4678 FUEL RATIO CONTROL GROUP--Type 2
Part of 4N1210 and 9N836 Fuel Ratio Control Groups shown on Pages 134 and 134B

4N-4678 CONTROL GP-FUEL RATIO

4N4678 FUEL RATIO CONTROL GROUP--Type 3
Part of 4N1210 and 9N836 Fuel Ratio Control Groups shown on Pages 134 and 134B

4N-4678 CONTROL GP-FUEL RATIO

4N4678 FUEL RATIO CONTROL GROUP--Type 4
Part of 4N1210 and 9N836 Fuel Control Groups. AN ATTACHMENT

4N-4678 CONTROL GP-FUEL RATIO

4N4678 FUEL RATIO CONTROL GROUP--Type 5
Part of 4N1210 and 9N836 Fuel Ratio Control Groups
AN ATTACHMENT

CONTROL GP-GOVERNOR

4N-3791 GOVERNOR CONTROL GROUP

4N3791 GOVERNOR CONTROL GROUP--Vernier and Positive Locking--R.H.
AN ATTACHMENT

4N-3831 CONTROL GP-GOVERNOR

4N3831 GOVERNOR CONTROL GROUP--Vernier and Positive
Locking--L.H.
AN ATTACHMENT

4N-3829 CONTROL GP-GOVERNOR

4N3829 GOVERNOR CONTROL GROUP--Vernier and Positive Locking
Part of 4N3791 and 4N3831 Governor Control Groups

4N-3832 GOVERNOR CONTROL GROUP

4N3832 GOVERNOR CONTROL GROUP--Remote and Positive Locking--R.H.
AN ATTACHMENT

4N-3834 CONTROL GP-GOVERNOR

4N3834 GOVERNOR CONTROL GROUP--Remote and Positive Locking--L.H.
AN ATTACHMENT

4N-3828 CONTROL GP-GOVERNOR

4N3828 GOVERNOR CONTROL
Part of 4N3832 and 4N3834 Governor Control Groups

4N-3833 GOVERNOR CONTROL GROUP

4N3833 GOVERNOR CONTROL GROUP--Positive Locking--R.H.
AN ATTACHMENT

4N-3835 CONTROL GP-GOVERNOR

4N3835 GOVERNOR CONTROL GROUP--Postive Locking--L.H.
AN ATTACHMENT

4N-3830 CONTROL GP-GOVERNOR

4N3830 GOVERNOR CONTROL GROUP--Positive Locking
Part of 4N3833 and 4N3835 Governor Control Groups

1N-5331 CONTROL GP-GOVERNOR

1N5331 GOVERNOR CONTROL GROUP
AN ATTACHMENT

3N-7741 CONTROL GP-GOVERNOR

3N7741 GOVERNOR CONTROL GROUP
AN ATTACHMENT

4N-5358 CONTROL GP-GOVERNOR

4N5358 GOVERNOR CONTROL GROUP--120-280--Loading Sharing
Part of 4N5326 Governor Control Group shown on Page 128

8N-2177 CONTROL GP-GOVERNOR

8N2177 GOVERNOR CONTROL GROUP
Provides Three Hole Governor Control Lever
AN ATTACHMENT

4N-5325 CONTROL GP-GOVERNOR

4N5325 GOVERNOR CONTROL GROUP--Standby
Replaced by 7N240 shown on Page 128A
AN ATTACHMENT

4N-5326 CONTROL GP-GOVERNOR

4N5326 GOVERNOR CONTROL GROUP--Load Sharing
Replaced by 7N241 shown on Page 128A
4N5358 Control parts are shown on Page 127B
AN ATTACHMENT

7N-0240 CONTROL GP-GOVERNOR

7N240 GOVERNOR CONTROL GROUP--Standby
Replaced by 8N1731 shown on Page 128B
AN ATTACHMENT

7N-0241 CONTROL GP-GOVERNOR

7N241 GOVERNOR CONTROL GROUP--Load Sharing
Replaced by 8N1730 shown on Page 128B

8N-1731 CONTROL GP-GOVERNOR

8N1731 GOVERNOR CONTROL GROUP--Standby
AN ATTACHMENT

8N-1730 CONTROL GP-GOVERNOR

8N1730 GOVERNOR CONTROL GROUP--Load Sharing
AN ATTACHMENT

2N-6006 ACTUATOR GP-AIR

2N6006 AIR ACTUATOR GROUP--Type 1
Part of 3N6703 Air Actuator Control Group

2N-6006 ACTUATOR GP-AIR

2N6006 AIR ACTUATOR GROUP--Type 2
Part of 3N6703 Air Actuator Control Group

3N-6703 CONTROL GP-GOVERNOR

3N6703 GOVERNOR CONTROL GROUP--Type 1
NOT FOR USE WITH 6N8789 L.H. OIL FILTER GROUP
2N6006 Air Actuator Control parts are shown on Page 136A
AN ATTACHMENT

3N-6703 CONTROL GP-GOVERNOR

3N6703 GOVERNOR CONTROL GROUP--Type 2
NOT FOR USE WITH 6N8789 L.H. OIL FILTER GROUP
2N6006 Air Actuator Control parts are shown on Page 136A
AN ATTACHMENT

3N-6703 CONTROL GP-GOVERNOR

3N6703 GOVERNOR CONTROL GROUP--Type 3
NOT FOR USE WITH 6N8789 L.H. OIL FILTER GROUP
5N3220 Air Actuator Control parts are shown on Page 137A-2
AN ATTACHMENT

3N-6703 CONTROL GP-GOVERNOR

3N6703 GOVERNOR CONTROL GROUP--Type 4
NOT FOR USE WITH 6N8789 L.H. OIL FILTER GROUP
5N3220 AIR ACTUATOR CONTROL PARTS ARE SHOWN ON Page 137A-2
AN ATTACHMENT

5N-3220 ACTUATOR GP-AIR

5N3220 AIR ACTUATOR GROUP--Type 1
Part of 3N6703 Governor Control Group

5N-3220 ACTUATOR GP-AIR

5N3220 AIR ACTUATOR GROUP--Type 2

DRAIN GP-FUEL

5N-7741 DRAIN GP-FUEL

5N7741 FUEL DRAIN GROUP--Alarm Switch and Lines
ONLY FOR USE WITH DIRECT INJECTION FUEL SYSTEM AND 5N7710 FUEL INJECTION LINES GROUP SHOWN ON PAGE 108A
AN ATTACHMENT

DRIVE GP-TACHOMETER

5N-3117 DRIVE GP-TACHOMETER

5N3117 TACHOMETER DRIVE GROUP
AN ATTACHMENT

4N-1402 DRIVE GP-TACHOMETER

4N1402 TACHOMETER DRIVE GROUP--Single
SEE PREMIUM INSTRUMENT PANEL, MOUNTING & CONNECTIONS SHOWN
ON PAGE 212E

4N-5217 DRIVE GP-TACHOMETER

4N5217 TACHOMETER DRIVE GROUP--Dual

FILTER GP-FUEL

4N-1981 FILTER GP-FUEL

4N1981 FUEL FILTER GROUP
Serial No. 90U1 to 90U388 inclusive. Part of 4N2238 Basic Engine Arrangement
listed on Pages 15 and 15B

4N-1981 FILTER GP-FUEL

4N1981 FUEL FILTER GROUP
Serial No. 90U389-Up
Part of 4N2238 Basic Engine Arrangement listed on Page 15B

8H-7204 FILTER GP-FUEL

8H7204 PRIMARY FUEL FILTER GROUP--Type 1
FOR USE WITH 4N5349 MOUNTING GROUP. AN ATTACHMENT

8H-7204 FILTER GP-FUEL

8H7204 PRIMARY FUEL FILTER GROUP--Type 2
FOR USE WITH 4N5349 MOUNTING GROUP
AN ATTACHMENT

8H-4681 FILTER GP-PRIMARY FUEL

8H4681 PRIMARY FUEL FILTER GROUP--Type 1
FOR USE WITH 4N5349 MOUNTING GROUP. AN ATTACHMENT

8H-4681 FILTER GP-PRIMARY FUEL

8H4681 PRIMARY FUEL FILTER GROUP--Type 2
FOR USE WITH 4N5349 MOUNTING GROUP. AN ATTACHMENT

6N-3901 FUEL FILTER MOUNTING GROUP

6N3901 FUEL FILTER MOUNTING GROUP
Serial No. 90U1 to 90U388 inclusive. AN ATTACHMENT

4N-5349 LINES GP-FUEL FILTER

4N5349 FUEL FILTER LINES GROUP
FOR USE WITH 8H7204 PRIMARY FUEL FILTER GROUP. AN ATTACHMENT

4N-4079 FUEL FILTER LINES GROUP

4N4079 FUEL FILTER LINES GROUP
Serial No. 90U1 to 90U388 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Pages 15 and 15B. Only separate parts serviced

6N-2172 FUEL FILTER LINES GROUP

6N2172 FUEL FILTER LINES GROUP
Serial No. 90U389-Up
Part of 4N2238 Basic Engine Arrangement listed on Page 15B. Only separate parts serviced

GOVERNOR GP

4N-3950 GOVERNOR AND FUEL PUMP DRIVE GROUP

4N3950 GOVERNOR AND FUEL PUMP DRIVE GROUP
Serial No. 90U1 to 90U239 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Page 15
Only separate parts serviced

4N-8008 DRIVE GP-GOVERNOR & FUEL PUMP

4N8008 GOVERNOR AND FUEL PUMP GROUP DRIVE GROUP
Serial No. 90U240-Up

4N-2482 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N2482 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N1537 Fuel Injection Pump, 4N3382 Governor and 4N4267 Torque Control parts are
shown on Pages 113C, 114, 116 through 118

4N-4145 GOV & FUEL INJ PUMP GP

4N4145 GOVERNOR AND FUEL INJECTION PUMP GROUP
Also part of 4N4238 and 4N6191 Engine Procurement Arrangements listed on Pages 13 and 16. 4N817
Fuel Injection Pump, 4N3382 Governor and 4N4267 Torque Control parts are shown on Pages 115, 116,
116A, 116B, 116C, 116D, 117 and 118. AN ATTACHMENT

4N-8878 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N8878 GOVERNOR AND FUEL INJECTION PUMP GROUP
Provides a 3% Regulation Pump and Governor Group for use on prechambered, turbocharged, aftercooled arrangements
in 50 hertz electric set applications. Part of 6N459 Engine Procurement Arrangement shown on Page 16B
4N817 Pump, 4N4267 Torque Control and 4N8144 Governor parts are shown on Pages 115, 118, 120, 120A, 120B and 121

4N-8879 GOV & FUEL INJ PUMP GP

4N8879 GOVERNOR AND FUEL INJECTION PUMP GROUP
Provides a 3 percent Regulation Pump and Governor Group for use on prechambered, turbocharged,
aftercooled arrangements in 60 hertz electric set applications. Part of 6N458 and 6N460 Engine
Procurement Arrangements shown on Pages 16A and 16B. 4N817 Pump, 4N4267 Torque Control and
4N8144 Governor parts are shown on Pages 115, 118, 120, 120A, 120B and 121

4N-8332 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N8332 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N4616 Governor, 6N1537 Fuel Injection Pump and 4N4267 Torque Control parts are shown on Pages
113A, 113B, 113C and 118. AN ATTACHMENT

6N-4616 GOVERNOR GROUP

6N4616 GOVERNOR GROUP--Part 1 of 2
Part of 4N8332 Governor and Fuel Injection Pump Group shown on Page 113
2N2489 Shut-Off parts are shown on Page 113D

6N-4616 GOVERNOR GROUP

6N4616 GOVERNOR GROUP--Part 2 of 2
Part of 4N8332 Governor and Fuel Injection Pump Group shown on Page 113
4N8114 Governor Housing parts are shown on Page 119

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 1 of 2
Serial No. 90U1 to 90U224 inclusive. Part of 4N2482 and 4N4145 Governor
and Fuel Injection Pump Groups shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 2 of 2
Serial No. 90U1 to 90U224 inclusive. Part of 4N2482 and 4N4145 Governor and Fuel
Injection Pump Groups shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 1 of 2
Serial No. 90U225 to 90U316 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 2 of 2
Serial No. 90U225 to 90U316 inclusive. Part of 4N2482 and 4N4145 Governor and Fuel
Injection Pump Groups shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 1 of 2--Type 1
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 2 of 2--Type 1
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 1 of 2--Type 2
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 2 of 2--Type 2
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 1 of 2--Type 3
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups shown
on Pages 111 and 112

4N-3382 GOVERNOR GROUP

4N3382 GOVERNOR GROUP--Part 2 of 2--Type 3
Serial No. 90U317 to 90U1620 inclusive
Part of 4N2482 and 4N4145 Governor and Fuel Injection Pump Groups
shown on Pages 111 and 112

4N-8114 HOUSING AS-GOVERNOR

4N8114 GOVERNOR HOUSING ASSEMBLY
Part of 6N4616 and 4N8144 Governor Groups shown on Pages 113A, 120A and 121

4N-8144 GOVERNOR GROUP

4N8144 GOVERNOR GROUP--Part 1 of 2--Type 1
Part of 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on Pages 112A and 112B

4N-8144 GOVERNOR GROUP

4N8144 GOVERNOR GROUP--Part 2 of 2--Type 1
Part of 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on Pages 112A and 112B
4N8114 Housing parts are shown on Page 119

4N-8144 GOVERNOR GROUP

4N8144 GOVERNOR GROUP--Part 1 of 2--Type 2
Part of 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on Pages 112A and 112B

4N-8144 GOVERNOR GROUP

4N8144 GOVERNOR GROUP--Part 2 of 2--Type 2
Part of 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on Pages 112A and 112B
4N8114 Housing parts are shown on Page 119

4N-3224 WOODWARD GOVERNOR ARRANGEMENT

4N3224 WOODWARD GOVERNOR ARRANGEMENT--Without Motor
Provides Isochronous Control for Electric Set Applications
Only separate parts serviced. AN ATTACHMENT

4N-4829 WOODWARD GOVERNOR ARRANGEMENT

4N4829 WOODWARD GOVERNOR ARRANGEMENT--With Motor
Provides Isochronous Control for Electric Set Applications
Only separate parts serviced. AN ATTACHMENT

4N-3697 WOODWARD GOVERNOR GROUP

4N3697 WOODWARD GOVERNOR GROUP
Also part of 4N3224 Woodward Governor Arrangement listed on Page 129
AN ATTACHMENT

4N-1416 WOODWARD GOVERNOR GROUP

4N1416 WOODWARD GOVERNOR GROUP
Also part of 4N4829 Woodward Governor Arrangement listed on Page 129
4N6337 Governor parts are shown on Page 131. AN ATTACHMENT

4N-3222 GOVERNOR GP

4N3222 WOODWARD GOVERNOR GROUP--Type 1
Part of 4N3697 Woodward Governor Group

4N-3222 GOVERNOR GP

4N3222 WOODWARD GOVERNOR GROUP--Type 2
Part of 4N3697 Woodward Governor Group

6N-3227 WOODWARD GOVERNOR GROUP

6N3227 WOODWARD GOVERNOR GROUP
Replaced by 6N9734 shown on Page 130B
6N1460 Governor Parts are shown on Page 130C

6N-9734 GOVERNOR GP-WOODWARD

6N9734 WOODWARD GOVERNOR GROUP
6N9731 Governor parts are shown on Page 130D
AN ATTACHMENT

6N-1460 WOODWARD GOVERNOR GROUP

6N1460 WOODWARD GOVERNOR GROUP
Replaced by 6N9731 shown on Page 130D
Part of 6N3227 Woodward Governor Group shown on Page 130B

6N-9731 GOVERNOR GP-WOODWARD

6N9731 WOODWARD GOVERNOR GROUP
Part of 6N9734 Woodward Governor Group shown on Page 130B

4N-6337 GOVERNOR GP

4N6337 WOODWARD GOVERNOR GROUP
Part of 4N1416 Woodward Governor Group shown on Page 130

4N-0852 DRIVE GP-GOVERNOR

4N852 WOODWARD GOVERNOR DRIVE GROUP--Part 1 of 2
Also part of 4N3224 and 4N4829 Woodward Governor Arrangements listed on Page 129
AN ATTACHMENT

4N-0852 DRIVE GP-GOVERNOR

4N852 WOODWARD GOVERNOR DRIVE GROUP--Part 2 of 2
Also part of 4N3224 and 4N4829 Woodward Governor Arrangements listed on Page 129
AN ATTACHMENT

4N-9890 FASTENER GP-WOODWARD GOVERNOR

4N9890 WOODWARD FASTENER GROUP
AN ATTACHMENT

2N-6006 ACTUATOR GP-AIR

2N6006 AIR ACTUATOR GROUP--Type 1
Part of 3N6703 Air Actuator Control Group

2N-6006 ACTUATOR GP-AIR

2N6006 AIR ACTUATOR GROUP--Type 2
Part of 3N6703 Air Actuator Control Group

5N-3220 ACTUATOR GP-AIR

5N3220 AIR ACTUATOR GROUP--Type 1
Part of 3N6703 Governor Control Group

5N-3220 ACTUATOR GP-AIR

5N3220 AIR ACTUATOR GROUP--Type 2

LINES GP-FUEL

4N-5349 LINES GP-FUEL FILTER

4N5349 FUEL FILTER LINES GROUP
FOR USE WITH 8H7204 PRIMARY FUEL FILTER GROUP. AN ATTACHMENT

6N-4174 FUEL SYSTEM GROUP

6N4174 FUEL SYSTEM GROUP
Serial No. 90U1 to 90U388 inclusive. AN ATTACHMENT

4N-4079 FUEL FILTER LINES GROUP

4N4079 FUEL FILTER LINES GROUP
Serial No. 90U1 to 90U388 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Pages 15 and 15B. Only separate parts serviced

6N-2172 FUEL FILTER LINES GROUP

6N2172 FUEL FILTER LINES GROUP
Serial No. 90U389-Up
Part of 4N2238 Basic Engine Arrangement listed on Page 15B. Only separate parts serviced

3N-6668 LINES GP-FLEXIBLE FUEL

3N6668 FLEXIBLE FUEL OIL LINES GROUP--Type 1
AN ATTACHMENT

3N-6668 LINES GP-FLEXIBLE FUEL

3N6668 FLEXIBLE FUEL OIL LINES GROUP--Type 2
AN ATTACHMENT

4N-1661 FUEL INJECTION LINES GROUP

4N1661 FUEL INJECTION LINES GROUP
Serial No. 90U1 to 90U224 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Page 15
Only separate parts serviced

4N-1661 FUEL INJECTION LINES GROUP

4N1661 FUEL INJECTION LINES GROUP
Serial No. 90U225-Up
Part of 4N2238 Basic Engine Arrangement listed on Page 15
Only separate parts serviced

4N-1662 LINES GP-FUEL INJECTION

4N1662 FUEL INJECTION LINES GROUP
Serial No. 90U1 to 90U230 inclusive
Part of 4N4238, 4N6191, 6N460, 6N458 and 6N459 Engine Procurement Arrangements listed on Pages 13, 16, 16A and 16B
Only separate parts serviced

4N-1662 LINES GP-FUEL INJECTION

4N1662 FUEL INJECTION LINES GROUP
Serial No. 90U231-Up
Part of 4N4238, 4N6191, 6N460, 6N458 and 6N459 Engine Procurement Arrangements listed on Pages 13, 16, 16A and 16B
Only separate parts serviced

5N-7710 FUEL INJECTION LINES GROUP

5N7710 FUEL INJECTION LINES GROUP
ONLY FOR USE WITH DIRECT INJECTION FUEL SYSTEM AND 5N7741 DRAIN LINE GROUP SHOWN ON PAGE 108B
AN ATTACHMENT

5N-7741 DRAIN GP-FUEL

5N7741 FUEL DRAIN GROUP--Alarm Switch and Lines
ONLY FOR USE WITH DIRECT INJECTION FUEL SYSTEM AND 5N7710 FUEL INJECTION LINES GROUP SHOWN ON PAGE 108A
AN ATTACHMENT

MISCELLANEOUS INFORMATION

4N-9889 FASTENER GROUP

4N9889 FASTENER GROUP--Type 1
AN ATTACHMENT. Note: 6N7490 Actuator is available
FOR USE WITH ELECTRIC WOODWARD GOVERNOR

4N-9889 FASTENER GROUP

4N9889 FASTENER GROUP--Type 2
AN ATTACHMENT. Note: 6N7490 Actuator is available
FOR USE WITH ELECTRIC WOODWARD GOVERNOR

4N-9889 FASTENER GROUP

4N9889 FASTENER GROUP--Type 3
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
Note: 6N528 Actuator Assembly is available
AN ATTACHMENT

PUMP GP-FUEL INJECTION

4N-3950 GOVERNOR AND FUEL PUMP DRIVE GROUP

4N3950 GOVERNOR AND FUEL PUMP DRIVE GROUP
Serial No. 90U1 to 90U239 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Page 15
Only separate parts serviced

4N-8008 DRIVE GP-GOVERNOR & FUEL PUMP

4N8008 GOVERNOR AND FUEL PUMP GROUP DRIVE GROUP
Serial No. 90U240-Up

4N-2482 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N2482 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N1537 Fuel Injection Pump, 4N3382 Governor and 4N4267 Torque Control parts are
shown on Pages 113C, 114, 116 through 118

4N-4145 GOV & FUEL INJ PUMP GP

4N-8878 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N-8879 GOV & FUEL INJ PUMP GP

4N-8332 GOVERNOR AND FUEL INJECTION PUMP GROUP

4N8332 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N4616 Governor, 6N1537 Fuel Injection Pump and 4N4267 Torque Control parts are shown on Pages
113A, 113B, 113C and 118. AN ATTACHMENT

6N-1537 FUEL INJECTION PUMP GROUP

6N1537 FUEL INJECTION PUMP GROUP--Type 1
Replaced by 7N3085 shown on Page 114-1
Part of 4N2482 and 4N8332 Governor and Fuel Injection Pump Groups shown on Pages 111 & 113
6N2767 Pump parts are shown on Page 114A

6N-1537 FUEL INJECTION PUMP GROUP

6N1537 FUEL INJECTION PUMP GROUP--Type 2
Replaced by 7N3085 shown on Page 114-1
Part of 4N2482 and 4N8332 Governor & Fuel Injection Pump Groups shown on Pages 111 & 113
6N2767 Pump parts are shown on Page 114A

6N-1537 FUEL INJECTION PUMP GROUP

6N1537 FUEL INJECTION PUMP GROUP--Type 3--Replaced by 7N3085 shown on Page 114-2
Part of 4N2482 and 4N8332 Governor and Fuel Injection Pump Groups shown on Pages 111 and 113
7N1219 Pump parts are shown on Page 114-3

7N-3085 FUEL INJECTION PUMP GROUP

7N3085 FUEL INJECTION PUMP GROUP--Field Installation
7N1219 Pump parts are shown on Page 114-3

7N-1219 PUMP GP-FUEL INJECTION

7N1219 FUEL INJECTION PUMP GROUP
Part of 6N1537 and 7N3085 Fuel Injection Pump Groups shown on Pages 114-1
and 114-2

6N-2767 FUEL INJECTION PUMP GROUP

6N2767 FUEL INJECTION PUMP GROUP
Part of 6N1537 Fuel Injection Pump Group shown on Page 114

6N-1043 PUMP GP-FUEL INJECTION

6N1043 FUEL INJECTION PUMP GROUP
Part of 4N817 Fuel Injection Pump Group shown on Page 115

4N-0817 FUEL INJECTION PUMP GROUP

4N817 FUEL INJECTION PUMP GROUP--Type 1
Part of 4N4145, 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups
shown on Pages 112, 112A and 112B

4N-0817 FUEL INJECTION PUMP GROUP

4N817 FUEL INJECTION PUMP GROUP--Type 2
Part of 4N4145, 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on
Pages 112, 112A and 112B. 6N1043 Pump parts are shown on Page 114A

4N-0817 FUEL INJECTION PUMP GROUP

4N817 FUEL INJECTION PUMP GROUP--Type 3
Part of 4N4145, 4N8878 and 4N8879 Governor and Fuel Injection Pump Groups shown on
Pages 112, 112A and 112B. 6N1043 Pump parts are shown on Page 114A

PUMP GP-FUEL PRIMING

4N-3287 PUMP GP-FUEL PRIMING

4N3287 FUEL PRIMING PUMP GROUP

PUMP GP-FUEL TRANSFER

4N-3948 FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 90U1 to 90U299 inclusive

4N-3948 FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 90U300-Up
Part of 4N2238 Basic Engine Arrangement listed on Pages 15 and 15B

SHUTOFF GP

2N-2489 SHUT-OFF GP-MANUAL

2N2489 MANUAL SHUT-OFF GROUP
Part of 6N4616 Governor Group shown on Page 113A

3N-8150 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP

3N8150 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP
8L4908 Shut-Off parts are shown on Page 158-1. AN ATTACHMENT

5N-3037 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP

5N3037 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP--Type 1
8L4908 Shut-Off parts are shown on Page 158-1. FOR USE WITH 3% GOVERNOR CONVERSION. AN ATTACHMENT

5N-3037 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP

5N3037 OIL PRESSURE AND WATER TEMPERATURE SAFETY MECHANICAL SHUT-OFF GROUP--Type 2
FOR USE WITH 3 PERCENT GOVERNOR CONVERSION
8L4908 Shut-Off parts are shown on Page 158-1
AN ATTACHMENT

TANK GP-FUEL

4N-8048 COVER GP-FUEL SYSTEM

4N8048 FUEL SYSTEM COVER GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 15 and 15B
Only separate parts serviced

8N-7153 FUEL TANK & BASE GP

8N7153 FUEL TANK AND BASE GROUP
FOR USE WITH AN ENCLOSURE. AN ATTACHMENT

5N-2016 BASE & FUEL TANK GP

5N2016 FUEL TANK AND BASE GROUP--Type 1
FOR USE WITH PACKAGED GENERATOR SET
AN ATTACHMENT

5N-2016 BASE & FUEL TANK GP

5N2016 FUEL TANK AND BASE GROUP--Type 2
FOR USE WITH PACKAGED GENERATOR SET
AN ATTACHMENT

5N-3208 FUEL TANK AND BASE GROUP

5N3208 FUEL TANK AND BASE GROUP--Electric Set
FOR USE WITH SR4 GENERATORS

TORQUE CONTROL GP

4N-4267 TORQUE CONTROL GP

4N4267 GOVERNOR TORQUE SPRING--Type 1
Part of 4N2482, 4N4145, 4N8878, 4N8879 and 4N8332 Governor and Fuel Injection
Pump Groups shown on Pages 111, 112, 112A, 112B and 113
Only separate parts serviced

4N-4267 TORQUE CONTROL GP

4N4267 GOVERNOR TORQUE SPRING--Type 2
Part of 4N2482, 4N4145, 4N8878, 4N8879 and 4N8332 Governor and Fuel Injection
Pump Groups shown on Pages 111, 112, 112A, 112B and 113
Only separate parts serviced

4N-8346 CONTROL GP-TORQUE

4N8346 TORQUE CONTROL GROUP--Type 1
AN ATTACHMENT

4N-8346 CONTROL GP-TORQUE

4N8346 TORQUE CONTROL GROUP--Type 2
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

Engine News

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/01/28

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/16

New Diaphragm Used In Fuel Ratio Control
1982/03/17

Improvements Made To Fuel Ratio Control {1278}
1982/12/15

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/17

New EG3P Actuator Assemblies Available
1984/03/07

Serviceable Parts For New Fuel Ratio Control; Pressurize Control To Set Rack
1987/05/01

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

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

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

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

Air-Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Air Fuel Ratio Controls
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

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

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

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

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators{1265,1289}
1984/04/23

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

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02

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

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

CONTROL GP-FUEL RATIO

Engine News

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

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/01/28

Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/16

New Diaphragm Used In Fuel Ratio Control
1982/03/17

Improvements Made To Fuel Ratio Control {1278}
1982/12/15

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/17

Serviceable Parts For New Fuel Ratio Control; Pressurize Control To Set Rack
1987/05/01

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

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

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

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

Cat® Reman Announces New Fuel Pump, Fuel Ratio Control, and Fuel Injector Options for Certain Engines {1251, 1278}
2014/09/05

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

Air-Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Air Fuel Ratio Controls
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

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

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

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

Engine News

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04

New Diaphragm Used In Fuel Ratio Control
1982/03/17

Improvements Made To Fuel Ratio Control {1278}
1982/12/15

Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/17

New EG3P Actuator Assemblies Available
1984/03/07

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators
1984/05/16

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct
1986/05/01

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups
1986/06/01

Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01

Serviceable Parts For New Fuel Ratio Control; Pressurize Control To Set Rack
1987/05/01

Governor Control Motor Polarity May Require A Change
1990/11/01

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

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

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 6N8859 And 6N8860 Governor Spring Service Groups{1286}
Installation Of 6N8859 And 6N8860 Governor Spring Service Groups{1286}

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

Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}

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

Specifications

Governor Linkage
3406 INDUSTRIAL & MARINE ENGINES

Governor Air Actuator
3406 INDUSTRIAL & MARINE ENGINES

Governor Controls
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

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

New Rack Shutoff Solenoid Available{1257,1259}
1983/02/28

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

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators{1265,1289}
1984/04/23

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

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02

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

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

New Fuel Shutoff Solenoid Assembly Used{1259}
1988/10/31

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

DRAIN GP-FUEL

Engine News

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage
1982/03/17

Special Instruction

Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}
Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}

Service Magazine

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08

DRIVE GP-TACHOMETER

Engine News

New Tachometer Drive Group Adapter Assemblies Have A Larger Input Shaft
1983/07/06

Specifications

Drive For Fuel Transfer Pump And Tachometer
3406 INDUSTRIAL & MARINE ENGINES

Service Meter And Tachometer Drive
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Tachometer Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Tachometer Drive Group Adapter Assemblies Have A Larger Input Shaft{7462,7487}
1983/07/04

FILTER GP-FUEL

Engine News

Improved Fuel Priming Pumps Give Longer Service Life
1979/04/04

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

Gasket Leakage On Aftermarket Fuel Filters
1986/01/01

Improved Fuel Priming Pump Used
1987/05/01

Larger 7N1308 Secondary Air Filter Can Be Used In Place Of 1P8482 Secondary Air Filter
1991/07/01

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

Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23

Troubleshooting Reminder For Engine Low Power Or Intermittent Low Power Symptoms{1250,1252,1256,1260,1261,1273}
1998/10/01

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob
1978/03/01

Improved Seal on Fuel Filter {1261}
2007/07/30

A New Specification Has Been Issued for the Primary Fuel Filter Filtration {1260}
A New Specification Has Been Issued for the Primary Fuel Filter Filtration {1260}

Specifications

Primary Fuel Filter
3406 INDUSTRIAL & MARINE ENGINES

Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Bracket For Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Primary Fuel Filter
3406 INDUSTRIAL & MARINE ENGINES

Tool Operating Manual

20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}
20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}

Disassembly and Assembly

Fuel Priming Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

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

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob{1258}
1978/02/27

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 Fuel Priming Pumps Give Longer Service Life{1258}
1979/04/02

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}

Test Sequence for Capsule Type Fuel Nozzles{0782}
Test Sequence for Capsule Type Fuel Nozzles{0782}

Tool Operating Manual

NEHS1126: 370-8570 Bulk Fuel Filtration Group 200 GPM Flow Rate {0599, 0680, 0706, 0782, 1250, 1280}
NEHS1126: 370-8570 Bulk Fuel Filtration Group 200 GPM Flow Rate {0599, 0680, 0706, 0782, 1250, 1280}

370-8569 Bulk Fuel Filtration Group 100 GPM Flow Rate{0599, 0680, 0706, 0782, 1250, 1280}
370-8569 Bulk Fuel Filtration Group 100 GPM Flow Rate{0599, 0680, 0706, 0782, 1250, 1280}

20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}
20 GPM Portable Fuel Filtration System {0374, 0599, 0706, 1250, 1256, 1261}

Reuse And Salvage Guidelines

Reuse and Salvage of New Scroll Fuel Systems (NSFS) for 3200, 3300, & 3400 Engines {1250, 1256}
Reuse and Salvage of New Scroll Fuel Systems (NSFS) for 3200, 3300, & 3400 Engines {1250, 1256}

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

Engine News

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar
1979/08/08

New Timing Advance Weight Used
1980/10/01

Explanation Of Differences In Timing Advance Information
1981/08/26

Part Number For Fuel Injection Pump Group In New Location
1981/11/25

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1981/12/16

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/24

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/08/25

Service Information For Woodward Governors
1983/10/26

Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint
1983/11/30

New EG3P Actuator Assemblies Available
1984/03/07

Overvoltage Protection For Woodward 2301 Governor
1984/04/11

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators
1984/05/16

New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage
1984/06/20

Fill Oil Sump Before Installing Woodward Governor
1985/01/16

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/12/01

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

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01

Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct
1986/05/01

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers
1986/06/01

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups
1986/06/01

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

Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters
1987/10/01

New Fuel Shutoff Solenoid Assembly Used
1988/11/01

Governor Control Motor Polarity May Require A Change
1990/11/01

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups
1991/05/01

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks
1992/08/01

Pressure Compensated Simple Governor (PSG Governor) Changes From Aluminum To Cast Iron Housing {1264}
1995/04/01

Governor Spring Guide Press Depth {1287,1284}
1996/01/17

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/12

Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23

Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/01

Improvements Made To Remanufactured 0R-3008 Fuel Transfer Pump{1256}
1997/03/01

Improved EG-3P Actuator Assembly For 3406 Engines{1903}
1997/04/01

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

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

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

A One-Piece Spring Seat Is Now Used In The Governor
1978/07/05

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump
1978/08/30

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 6N8859 And 6N8860 Governor Spring Service Groups{1286}
Installation Of 6N8859 And 6N8860 Governor Spring Service Groups{1286}

Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}

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 4W5391 Preregulator Box Assembly{1289}
Installation Of 4W5391 Preregulator Box Assembly{1289}

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 System Identification
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance Unit [4N8008 (PC); [6N5202 (DI)]
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Drive For Fuel Transfer Pump And Tachometer
3406 INDUSTRIAL & MARINE ENGINES

Woodward PSG Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor Linkage
3406 INDUSTRIAL & MARINE ENGINES

Governor Air Actuator
3406 INDUSTRIAL & MARINE ENGINES

Governor Controls
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier And Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump And Governor Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Timing Advance Weight Used{1272,1288,1286,1264}
1980/10/06

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

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

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group{1272,1288}
1981/12/14

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

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

New Rack Shutoff Solenoid Available{1257,1259}
1983/02/28

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

Service Information For Woodward Governors{0374,1264}
1983/09/26

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

New EG3P Actuator Assemblies Available{1289}
1984/02/27

Overvoltage Protection For Woodward 2301 Governor{1289}
1984/04/09

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators{1265,1289}
1984/04/23

New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14

Fill Oil Sump Before Installing Woodward Governor{1264,1288,1289}
1984/12/10

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

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

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

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02

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

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

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

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

A One-Piece Spring Seat Is Now Used In The Governor{1264}
1978/06/26

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

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

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar{1259,1257,1250}
1979/07/02

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

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Fuel Injection Pump Improvements{1251}
1994/02/07

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

Engine News

New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group
1979/03/07

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

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

Improvements To Optional Modification Of 5P4150 Nozzle Tester
1981/08/26

New Fuel Nozzle Adapter Assembly Used
1982/02/24

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage
1982/03/17

New Fuel Nozzle Test Sheet Available
1982/10/20

Bulged Capsule-Type Fuel Nozzles
1982/10/20

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20

Do Not Use A Wire Brush On Fuel Nozzles
1982/10/20

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/15

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position
1984/04/11

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

Gasket Leakage On Aftermarket Fuel Filters
1986/01/01

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

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque
1989/09/01

5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines.
1992/02/01

Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN)
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}
1994/05/01

Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23

Troubleshooting Reminder For Engine Low Power Or Intermittent Low Power Symptoms{1250,1252,1256,1260,1261,1273}
1998/10/01

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}

Creating Fuel Pump, and Fuel Nozzle Reference Parts for Checking Fuel Pump Test Stands and Nozzle Pop Testers{1254}
Creating Fuel Pump, and Fuel Nozzle Reference Parts for Checking Fuel Pump Test Stands and Nozzle Pop Testers{1254}

Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}
Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}

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 Lines
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Lines
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Precombustion Chamber)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Direct Injection)
3406 INDUSTRIAL & MARINE ENGINES

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

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08

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

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

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

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

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

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 Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
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

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

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

Engine News

New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group
1979/03/07

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

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage
1982/03/17

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20

Do Not Use A Wire Brush On Fuel Nozzles
1982/10/20

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

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

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque
1989/09/01

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/01

Special Instruction

Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}
Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}

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

Specifications

Fuel Injection Lines
3406 INDUSTRIAL & MARINE ENGINES

Information Release Memo

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

Disassembly and Assembly

Fuel Injection Lines
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Precombustion Chamber)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Direct Injection)
3406 INDUSTRIAL & MARINE ENGINES

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

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08

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 Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

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

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

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 Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
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

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

Do Not Reuse the Hold Down Bolts for the Fuel Injectors On All Products that Contain C9 Through C32 Engines {1290}
2014/08/14

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}

Service Magazine

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

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

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

Engine News

New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group
1979/03/07

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04

Improved Fuel Priming Pumps Give Longer Service Life
1979/04/04

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

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar
1979/08/08

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

New Timing Advance Weight Used
1980/10/01

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

Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/01/28

Improvements To Optional Modification Of 5P4150 Nozzle Tester
1981/08/26

Explanation Of Differences In Timing Advance Information
1981/08/26

New Diaphragm Used In Fuel Ratio Control
1982/03/17

New EG3P Actuator Assemblies Available
1984/03/07

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

Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers
1986/06/01

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

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

Larger 7N1308 Secondary Air Filter Can Be Used In Place Of 1P8482 Secondary Air Filter
1991/07/01

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

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

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

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

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

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob
1978/03/01

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

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

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump
1978/08/30

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}

Installation Of 6N8859 And 6N8860 Governor Spring Service Groups{1286}
Installation Of 6N8859 And 6N8860 Governor Spring Service Groups{1286}

Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}
Installation of 5N7710 Fuel Injection Lines Group And 5N7741 Fuel Lines Drain Group{1250}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Specifications

Fuel System Identification
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance Unit [4N8008 (PC); [6N5202 (DI)]
3406 INDUSTRIAL & MARINE ENGINES

Air-Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Drive For Fuel Transfer Pump And Tachometer
3406 INDUSTRIAL & MARINE ENGINES

Primary Fuel Filter
3406 INDUSTRIAL & MARINE ENGINES

Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Bracket For Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Woodward PSG Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor Linkage
3406 INDUSTRIAL & MARINE ENGINES

Governor Air Actuator
3406 INDUSTRIAL & MARINE ENGINES

Governor Controls
3406 INDUSTRIAL & MARINE ENGINES

Air Fuel Ratio Controls
3406 INDUSTRIAL & MARINE ENGINES

Primary Fuel Filter
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Fuel Priming Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Filter Base
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Ratio Control
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Lines
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier And Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump And Governor Drive
3406 INDUSTRIAL & MARINE ENGINES

Water Temperature Regulators
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Precombustion Chamber)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Direct Injection)
3406 INDUSTRIAL & MARINE ENGINES

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

Different Water Temperature Regulators Now Used To Prevent Overheating{1355}
1980/03/24

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

New Timing Advance Weight Used{1272,1288,1286,1264}
1980/10/06

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

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

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
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 Springs For Timing Advance Used In Governor And Fuel Pump Drive Group{1272,1288}
1981/12/14

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

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

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08

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

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

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

Improved Mounting Assembly For Speed Switch Contactor Group{7418}
1983/01/17

New Rack Shutoff Solenoid Available{1257,1259}
1983/02/28

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

Service Information For Woodward Governors{0374,1264}
1983/09/26

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

New EG3P Actuator Assemblies Available{1289}
1984/02/27

Overvoltage Protection For Woodward 2301 Governor{1289}
1984/04/09

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators{1265,1289}
1984/04/23

New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14

Fill Oil Sump Before Installing Woodward Governor{1264,1288,1289}
1984/12/10

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

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

Faster Response Water Temperature Regulators; Service Simplified{1350,1355}
1985/11/25

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

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24

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

Three Element Speed Switch Replaces Dual Element Speed Switch{7418,7411,7410,7421}
1986/04/21

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

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

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

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob{1258}
1978/02/27

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

A One-Piece Spring Seat Is Now Used In The Governor{1264}
1978/06/26

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28

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

New Fuel Shutoff Solenoid Assembly Used{1259}
1988/10/31

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

Improved Fuel Priming Pumps Give Longer Service Life{1258}
1979/04/02

How To Extend The Service Life Of 1P5550 Fuel Cam Locking Tool Assembly{0654,1250}
1979/04/16

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

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Improved Jacket Water Heater Thermostat{1355}
1993/09/20

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}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

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 Adapter Assemblies And Clamps Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

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 Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
1979/03/12

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

Engine News

Troubleshooting Engines with New Scroll Fuel Systems (NSFS) {1000, 1254}
2006/01/02

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}

Test Sequence for Capsule Type Fuel Nozzles{0782}
Test Sequence for Capsule Type Fuel Nozzles{0782}

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

Engine News

New Design Fuel Injection Valve Body Used In Fuel Injection Lines Group
1979/03/07

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04

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

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar
1979/08/08

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

New Timing Advance Weight Used
1980/10/01

Improvements To Optional Modification Of 5P4150 Nozzle Tester
1981/08/26

Explanation Of Differences In Timing Advance Information
1981/08/26

Part Number For Fuel Injection Pump Group In New Location
1981/11/25

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1981/12/16

New Fuel Nozzle Adapter Assembly Used
1982/02/24

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/24

New Fuel Nozzle Test Sheet Available
1982/10/20

Bulged Capsule-Type Fuel Nozzles
1982/10/20

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20

Do Not Use A Wire Brush On Fuel Nozzles
1982/10/20

Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/15

Service Information For Woodward Governors
1983/10/26

New Valve Lifter Assemblies Used In Valve Mechanism Groups
1983/11/30

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position
1984/04/11

Overvoltage Protection For Woodward 2301 Governor
1984/04/11

Fill Oil Sump Before Installing Woodward Governor
1985/01/16

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

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/12/01

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

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups
1986/06/01

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

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/10/01

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

Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters
1987/10/01

Improved Valve Mechanism Cover Groups
1988/01/01

New Fuel Shutoff Solenoid Assembly Used
1988/11/01

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

Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque
1989/09/01

Governor Control Motor Polarity May Require A Change
1990/11/01

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups
1991/05/01

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

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks
1992/08/01

Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/01

Pressure Compensated Simple Governor (PSG Governor) Changes From Aluminum To Cast Iron Housing {1264}
1995/04/01

Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/19

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/12

Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23

Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/01

Improvements Made To Remanufactured 0R-3008 Fuel Transfer Pump{1256}
1997/03/01

Troubleshooting Reminder For Engine Low Power Or Intermittent Low Power Symptoms{1250,1252,1256,1260,1261,1273}
1998/10/01

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

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

A One-Piece Spring Seat Is Now Used In The Governor
1978/07/05

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

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump
1978/08/30

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

The Edge Filter Is Now Removed from Fuel Nozzles {1254, 1290}
2007/08/20

Calibration Fluid for Fuel Nozzle Test Equipment Is Available {0782, 1251, 1254, 1290, 1713}
2008/11/17

Cat® Reman Announces New Fuel Pump, Fuel Ratio Control, and Fuel Injector Options for Certain Engines {1251, 1278}
2014/09/05

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}

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 6N8859 And 6N8860 Governor Spring Service Groups{1286}
Installation Of 6N8859 And 6N8860 Governor Spring Service Groups{1286}

Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}

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}

Installation Of 4W5391 Preregulator Box Assembly{1289}
Installation Of 4W5391 Preregulator Box Assembly{1289}

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}

Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}

Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}

Technical Information Bulletin

Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles

Valve Bonnets with Insufficient Hardness
Valve Bonnets with Insufficient Hardness

Specifications

Fuel System Identification
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance Unit [4N8008 (PC); [6N5202 (DI)]
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Drive For Fuel Transfer Pump And Tachometer
3406 INDUSTRIAL & MARINE ENGINES

Woodward PSG Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor Linkage
3406 INDUSTRIAL & MARINE ENGINES

Governor Air Actuator
3406 INDUSTRIAL & MARINE ENGINES

Governor Controls
3406 INDUSTRIAL & MARINE ENGINES

Information Release Memo

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

Disassembly and Assembly

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier And Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump And Governor Drive
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Precombustion Chamber)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Valves (Direct Injection)
3406 INDUSTRIAL & MARINE ENGINES

Rocker Shafts
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

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

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31

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

New Timing Advance Weight Used{1272,1288,1286,1264}
1980/10/06

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

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

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group{1272,1288}
1981/12/14

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

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

New Double-Wall Fuel Injection Lines Group And Fuel Drain Group Available As Attachments For Protection Against Fuel Leakage{1252,1254,7400}
1982/03/08

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

Service Information For Woodward Governors{0374,1264}
1983/09/26

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

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14

Fill Oil Sump Before Installing Woodward Governor{1264,1288,1289}
1984/12/10

Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

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

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

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02

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

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

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

A One-Piece Spring Seat Is Now Used In The Governor{1264}
1978/06/26

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

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28

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 Design Fuel Injection Valve Body Used In Fuel Injection Lines Group{1252,1254}
1979/03/12

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

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

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar{1259,1257,1250}
1979/07/02

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

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

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks{1201,1253}
1992/08/31

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Camshaft Lobe Surface Finish Improved; Camshaft Drive Gear Installation Procedure {1209,1210,1212}
1993/09/13

Fuel Injection Pump Improvements{1251}
1994/02/07

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

Do Not Reuse the Hold Down Bolts for the Fuel Injectors On All Products that Contain C9 Through C32 Engines {1290}
2014/08/14

PUMP GP-FUEL PRIMING

Engine News

Improved Fuel Priming Pumps Give Longer Service Life
1979/04/04

Improved Fuel Priming Pump Used
1987/05/01

Troubleshooting Reminder For Engine Low Power Or Intermittent Low Power Symptoms{1250,1252,1256,1260,1261,1273}
1998/10/01

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob
1978/03/01

Special Instruction

Installation Instructions for the Electric Fuel Priming Pump on Caterpillar Equipment With the 24 Volt System{1258}
Installation Instructions for the Electric Fuel Priming Pump on Caterpillar Equipment With the 24 Volt System{1258}

Disassembly and Assembly

Fuel Priming Pump
3406 INDUSTRIAL & MARINE ENGINES

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

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob{1258}
1978/02/27

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

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28

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

Improved Fuel Priming Pumps Give Longer Service Life{1258}
1979/04/02

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

Special Instruction, REHS1037 , "Installation Instructions for the Electric Fuel Priming Pump on Caterpillar Equipment With the 24 Volt System" has been Revised {1258}
2004/03/29

PUMP GP-FUEL TRANSFER

Engine News

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar
1979/08/08

New Timing Advance Weight Used
1980/10/01

Explanation Of Differences In Timing Advance Information
1981/08/26

Part Number For Fuel Injection Pump Group In New Location
1981/11/25

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1981/12/16

New Idler Shaft Used In Fuel Transfer Pumps
1982/02/24

Service Information For Woodward Governors
1983/10/26

Overvoltage Protection For Woodward 2301 Governor
1984/04/11

Fill Oil Sump Before Installing Woodward Governor
1985/01/16

Steel Fuel Pump Lifter Used
1985/09/01

Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/12/01

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

Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups
1986/06/01

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

Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01

New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters
1987/10/01

New Fuel Shutoff Solenoid Assembly Used
1988/11/01

Governor Control Motor Polarity May Require A Change
1990/11/01

Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups
1991/05/01

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks
1992/08/01

Pressure Compensated Simple Governor (PSG Governor) Changes From Aluminum To Cast Iron Housing {1264}
1995/04/01

Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/12

Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23

Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/01

Improvements Made To Remanufactured 0R-3008 Fuel Transfer Pump{1256}
1997/03/01

Troubleshooting Reminder For Engine Low Power Or Intermittent Low Power Symptoms{1250,1252,1256,1260,1261,1273}
1998/10/01

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

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

A One-Piece Spring Seat Is Now Used In The Governor
1978/07/05

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump
1978/08/30

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}

Specifications

Fuel System Identification
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance Unit [4N8008 (PC); [6N5202 (DI)]
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Drive For Fuel Transfer Pump And Tachometer
3406 INDUSTRIAL & MARINE ENGINES

Woodward PSG Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor Linkage
3406 INDUSTRIAL & MARINE ENGINES

Governor Air Actuator
3406 INDUSTRIAL & MARINE ENGINES

Governor Controls
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Fuel Transfer Pump
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Transfer Pump (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance (Later)
3406 INDUSTRIAL & MARINE ENGINES

Automatic Timing Advance
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor (Earlier And Later)
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing And Governor
3406 INDUSTRIAL & MARINE ENGINES

Governor
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump Housing
3406 INDUSTRIAL & MARINE ENGINES

Fuel Injection Pump And Governor Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Timing Advance Weight Used{1272,1288,1286,1264}
1980/10/06

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

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group{1272,1288}
1981/12/14

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

Service Information For Woodward Governors{0374,1264}
1983/09/26

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

New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14

Fill Oil Sump Before Installing Woodward Governor{1264,1288,1289}
1984/12/10

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

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

More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02

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

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

Improved Fuel Priming Pump Assembly Has Better Sealing Characteristics; Repair Kit Available For Knob{1258}
1978/02/27

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

A One-Piece Spring Seat Is Now Used In The Governor{1264}
1978/06/26

New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28

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

New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19

Improved Fuel Priming Pumps Give Longer Service Life{1258}
1979/04/02

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

To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar{1259,1257,1250}
1979/07/02

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

Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29

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

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks{1201,1253}
1992/08/31

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Truck sale:

45.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC

32.000

Caterpillar 3406-365, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
FINNING CHILE S.A.

41.565

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung

55.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung

45.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung