125-3428 DRIVE GP-UNIT INJ HYD PUMP S/N 99C5428-6345 PART OF 123-0206 ENGINE AR, 144-3495 ENGINE AR-CORE 771D

Special Instruction

Pos.	Part No	Qty	Parts name
1.	162-0148 Y	[1]	DRIVE GP-UNIT INJ HYD PUMP
2.	6V-3549	[1]	SEAL-O-RING
3.	5P-0076	[4]	BOLT-12 POINT HEAD (3/8-16X1.5-IN)
4.	161-9925 CY	[1]	SENSOR GP-PRESSURE (ATMOSPHERIC)
5.	5M-2894	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
7.	6V-5049	[1]	SEAL-O-RING
8.	118-6335	[1]	PIN
9.	6V-4589	[1]	SEAL-O-RING
10.	5P-9890	[2]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

Pos.	Part No	Qty	Parts name
1.	180-6649 CY	[1]	DRIVE GP-UNIT INJ HYD PUMP
2.	6V-3549	[1]	SEAL-O-RING
3.	5P-0076	[4]	BOLT-12 POINT HEAD (3/8-16X1.5-IN)
4.	194-6722 CY	[1]	SENSOR GP-PRESSURE (ATMOSPHERIC)
5.	5M-2894	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
7.	6V-5049	[1]	SEAL-O-RING
8.	118-6335	[1]	PIN
9.	6V-4589	[1]	SEAL-O-RING
10.	5P-9890	[2]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

Pos.	Part No	Qty	Parts name
1.	162-0153	[1]	SHAFT AS
	3S-6605	[1]	PLUG-CUP
2.	150-2392	[1]	PLATE-THRUST
3.	106-3027	[1]	GASKET
4.	162-0158	[1]	HOUSING AS
	2H-1190	[2]	DOWEL
4A.	162-0151	[1]	BUSHING
4B.	162-0152	[1]	BUSHING
5.	162-0161	[1]	HOUSING AS
5A.	2A-3746	[1]	PLUG-CUP
5B.	162-0150	[1]	BUSHING
5C.	162-0151	[1]	BUSHING
6.	0S-1617	[2]	BOLT (5/16-18X0.75-IN)
7.	125-5835	[1]	PLUG-FELT (UNIT INJ HYD PUMP)
8.	1B-9575	[4]	BOLT (5/16-18X1.56-IN)
9.	0S-1618	[2]	BOLT (5/16-18X1-IN)
10.	9N-0869	[2]	WASHER-HARD (8.8X25.5X2-MM THK)
11.	9S-8004	[1]	PLUG (9/16-18-THD)
12.	6V-5049	[1]	SEAL-O-RING
13.	1D-4541	[2]	BOLT (5/16-18X3-IN)
14.	8M-6802	[3]	SCREW-HEX SOCKET (1/4-20X1-IN)
15.	162-0155	[1]	GEAR-PUMP DRIVE (18-TEETH)
16.	124-6640	[1]	PLATE

Pos.	Part No	Qty	Parts name
1.	180-6645	[1]	SHAFT AS
	3S-6605	[1]	PLUG-CUP
2.	150-2392	[1]	PLATE-THRUST
3.	180-6646	[1]	GASKET
4.	180-6647	[1]	HOUSING AS
	2H-1190	[2]	DOWEL
4A.	162-0151	[1]	BUSHING
4B.	162-0152	[1]	BUSHING
5.	162-0161	[1]	HOUSING AS
	2A-3746	[1]	PLUG-CUP
5A.	162-0150	[1]	BUSHING
5B.	162-0151	[1]	BUSHING
6.	125-5835	[1]	PLUG-FELT (UNIT INJ HYD PUMP)
7.	1B-9575	[4]	BOLT (5/16-18X1.56-IN)
8.	0S-1618	[2]	BOLT (5/16-18X1-IN)
9.	9N-0869	[2]	WASHER-HARD (8.8X25.5X2-MM THK)
10.	9S-8004	[1]	PLUG (9/16-18-THD)
11.	6V-5049	[1]	SEAL-O-RING
12.	1D-4541	[2]	BOLT (5/16-18X3-IN)
13.	8M-6802	[3]	SCREW-HEX SOCKET (1/4-20X1-IN)
14.	155-6637	[1]	GEAR-OIL DRIVE (18-TEETH)
15.	124-6640	[1]	PLATE
16.	031-2701	[2]	BOLT-LOCKING (5/16-18X1.25-IN)

Pos.	Part No	Qty	Parts name
1.	6L-1596	[2]	BOLT (1/4-20X2-IN)
2.	115-3598	[1]	ADAPTER-INJECTION
3.	116-7222	[1]	SEAL-RECTANGULAR
4.	131-3098	[1]	INJECTOR GP-FUEL

Pos.	Part No	Qty	Parts name
1.	136-1869	[2]	BOLT-SOCKET HEAD
2.	115-3598	[1]	ADAPTER-INJECTION
3.	116-7222	[1]	SEAL-RECTANGULAR
4.	138-8754	[1]	INJECTOR GP-FUEL
	R		REMANUFACTURED PART MAY BE AVAILABLE

Pos.	Part No	Qty	Parts name
1.	115-3598	[1]	ADAPTER-INJECTION
2.	116-7222	[1]	SEAL-RECTANGULAR
3.	136-1869	[2]	BOLT-SOCKET HEAD
4.	159-0835	[1]	INJECTOR GP-FUEL
	R		REMANUFACTURED PART MAY BE AVAILABLE

Pos.	Part No	Qty	Parts name
1.	115-3598	[1]	ADAPTER-INJECTION
2.	116-7222	[1]	SEAL-RECTANGULAR
3.	136-1869	[2]	BOLT-SOCKET HEAD

Pos.	Part No	Qty	Parts name
1.	115-3598	[1]	ADAPTER-INJECTION
2.	116-7222	[1]	SEAL-RECTANGULAR
3.	136-1869	[2]	BOLT-SOCKET HEAD

Pos.	Part No	Qty	Parts name
1.	115-3598	[1]	ADAPTER-INJECTION
2.	116-7222	[1]	SEAL-RECTANGULAR
3.	136-1869	[2]	BOLT-SOCKET HEAD

Removal And Installation Of The Hydraulic Electronic Unit Injectors{1290}
Removal And Installation Of The Hydraulic Electronic Unit Injectors{1290}

Installation Of The 174-8943 Sleeve Into The 3408E And 3412E Unit Injector Hydraulic Pump{1714}
Installation Of The 174-8943 Sleeve Into The 3408E And 3412E Unit Injector Hydraulic Pump{1714}

Installation Of The 033-6039 O-Ring Seal Into The 3408E And 3412E Unit Injector Hydraulic Pump{1251}
Installation Of The 033-6039 O-Ring Seal Into The 3408E And 3412E Unit Injector Hydraulic Pump{1251}

Installation of New Hose Assembly for Unit Injector Hydraulic Pump{1274, 1307, 1714}
Installation of New Hose Assembly for Unit Injector Hydraulic Pump{1274, 1307, 1714}

Service Letter-NACD

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-Australia

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-CFEL

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-CSARL

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-Americas

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Technical Information Bulletin

Excessive Wear And Breakage Of 124-6639 Thrust Plate In 125-3427 Pump Drive Group (HEUI Hydraulic Pump Drive)
Excessive Wear And Breakage Of 124-6639 Thrust Plate In 125-3427 Pump Drive Group (HEUI Hydraulic Pump Drive)

Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak
Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak

Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump
Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump

Specifications

Injection Actuation Pressure Control Valve
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump
3408E and 3412E Engines for Caterpillar Built Machines

Hydraulic Pump Drive
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Sensor
3408E and 3412E Engines for Caterpillar Built Machines

Tool Operating Manual

Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}

Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}

Service Letter-China

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-Asia

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-APD

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Troubleshooting

Injection Actuation Pressure Control Valve - Test
3408E and 3412E Engines for Caterpillar Built Machines

Disassembly and Assembly

Hoist Hydraulic Pump
769D TRUCK & 771D QUARRY TRUCK MACHINE SYSTEMS

Unit Injector Hydraulic Pump
3408E ENGINE SUPPLEMENT FOR 769D TRUCK & 771D QUARRY TRUCK

Unit Injector Hydraulic Pump Drive
3408E ENGINE SUPPLEMENT FOR 769D TRUCK & 771D QUARRY TRUCK

Unit Injector Hydraulic Control Valve
3408E ENGINE SUPPLEMENT FOR 769D TRUCK & 771D QUARRY TRUCK

Injection Actuation Pressure Sensor - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Assemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Assemble
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Control Valve - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Control Valve - Install
3408E and 3412E Engines for Caterpillar Built Machines

Service Magazine

Seal Kits For Hydraulic Unit Injector Pump Groups Available {1250,1714}
1996/10/28

The 154-6732 Pump Kit Is Available To Help Service The Unit Injector Hydraulic Pump Group On 3408E (99C) And 3412E (80M) Machine Engines {1714}
1998/01/26

Priming The 144-0835 Unit Injector Hydraulic Pump{1714}
1998/07/20

New Steel Thrust Plate Replaces Bronze Thrust Plate In Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Pump Drive Groups {1714}
1998/07/27

New Plug Kit Improves Injection Actuation Pressure During Engine Cranking {1714}
1998/09/21

Compensator And Socket Head Bolts For 3408E And 3412E Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump Now Available{1714}
1998/11/16

Bearing Specifications For 3408E And 3412E Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Drive Group{1714}
1999/02/01

144-0835 Pump Enhancements {1714}
1999/05/03

Revised CD-ROM For Hydraulic Electronic Unit Injector (HEUI) Fuel System Available {0350}
1999/06/28

An Improved Unit Injector Hydraulic Pump is Available {1714}
2001/08/13

New High Pressure Oil Hose Assembly Offers Added Flexibility for Thermal Expansion {1714, 7554}
2002/11/18

Installation of a Protective Sleeve for the Hose on the Pump of the Hydraulic Electronic Unit Injector (HEUI) Fuel System is Now Used {1307, 1714}
2004/09/27

Troubleshooting the Injection Actuation Pressure on Unit Injector Hydraulic Pumps {1714}
2006/11/13

125-3428 DRIVE GP-UNIT INJ HYD PUMP S/N 99C5428-6345 PART OF 123-0206 ENGINE AR, 144-3495 ENGINE AR-CORE 771D

FUEL SYSTEM

125-3428: DRIVE GP-UNIT INJ HYD PUMP

Parts for your 771D QUARRY TRUCK:

125-3428: DRIVE GP-UNIT INJ HYD PUMP

Parts for your 771D QUARRY TRUCK:

162-0148: DRIVE GP-UNIT INJ HYD PUMP

Parts for your 771D QUARRY TRUCK:

180-6649: DRIVE GP-UNIT INJ HYD PUMP

Parts for your 771D QUARRY TRUCK:

111-7916: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

138-8756: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

159-0836: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

174-7526: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

174-7527: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

232-1175: INJECTOR GP-FUEL

Parts for your 771D QUARRY TRUCK:

Information:

Caterpillar Parts SIS Catalog 771D :

Truck sale: