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125-3431 DRIVE GP-UNIT INJ HYD PUMP S/N 80M861-2638 PART OF 122-1117 ENGINE AR 844 WHEEL DOZER


FUEL SYSTEM
PUMP GP-UNIT INJECTOR HYD
FILTER GP-FUEL
HEATER GP-FUEL
LINES GP-FUEL INJECTION

WHEEL DOZER 844 WHEEL DOZER 2KZ
 844 Wheel Tractor 2KZ00001-UP (MACHINE) POWERED BY 3412E Engine SEBP2765 844 2KZ   (1998)

FUEL SYSTEM

PUMP GP-UNIT INJECTOR HYD
DRIVE GP-UNIT INJ HYD PUMP
125-3430 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
 

#SEBP27650100
 

125-3431: DRIVE GP-UNIT INJ HYD PUMP

125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M861-2638
PART OF 122-1117 ENGINE AR
i00089928 SEBP2765
1253431 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-3430 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. 103-6093 Y [1] SENSOR GP-PRESSURE (ATMOSPHERIC)  
5. 9X-0261 [1] ADAPTER  
6. 6V-5048 [1] SEAL-O-RING  
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  
  Y   SEPARATE ILLUSTRATION
 

#SEBP27650101
 

125-3431: DRIVE GP-UNIT INJ HYD PUMP

125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2639-2705
PART OF 122-1117 ENGINE AR
i01042509 SEBP2765
1253431 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 162-0149 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. 103-6093 Y [1] SENSOR GP-PRESSURE (ATMOSPHERIC)  
5. 9X-0261 [1] ADAPTER  
6. 6V-5048 [1] SEAL-O-RING  
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
 

#SEBP27650102
 

125-3431: DRIVE GP-UNIT INJ HYD PUMP

125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2706-3037
PART OF 122-1117 ENGINE AR
i01057815 SEBP2765
1253431 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 162-0149 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. 161-9926 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  
11. 9X-0261 [1] ADAPTER  
12. 6V-5048 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP27650103
 

125-3431: DRIVE GP-UNIT INJ HYD PUMP

125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M3038-3601
PART OF 122-1117 ENGINE AR
i01227861 SEBP2765
1253431 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 162-0149 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
 

#SEBP27650104
 

125-3431: DRIVE GP-UNIT INJ HYD PUMP

125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M3602-UP
PART OF 122-1117 ENGINE AR
i01324429 SEBP2765
1253431 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6644 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 Y [1] SENSOR GP-PRESSURE (ATMOSPHERIC AIR)  
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
 

#SEBP27650105
 

162-0149: DRIVE GP-UNIT INJ HYD PUMP

162-0149 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2639-3601
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
i01042551 SEBP2765
1620149 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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  
  162-0151 [1] BUSHING (38.1-MM OD)  
  162-0152 [1] BUSHING (94.8-MM OD)  
5. 162-0160 [1] HOUSING AS  
  2A-3746 [1] PLUG-CUP  
  162-0150 [1] BUSHING (28.7-MM OD)  
  162-0151 [1] BUSHING (38.1-MM OD)  
6. 0S-1617 [2] BOLT (5/16-18X0.75-IN)  
7. 125-5835 [1] PLUG-FELT (UNIT INJECTOR HYDRAULIC 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  
 

#SEBP27650106
 

180-6644: DRIVE GP-UNIT INJ HYD PUMP

180-6644 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M3602-UP
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
i01324370 SEBP2765
1806644 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6645 [1] SHAFT AS  
1A. 3S-6605 [1] PLUG-CUP  
2. 150-2392 [1] PLATE-THRUST  
3. 180-6646 [1] GASKET  
4. 180-6647 [1] HOUSING AS  
4A. 2H-1190 [2] DOWEL  
4B. 162-0151 [1] BUSHING (38.1-MM OD)  
4C. 162-0152 [1] BUSHING (94.8-MM OD)  
5. 162-0160 [1] HOUSING AS  
5A. 2A-3746 [1] PLUG-CUP  
5B. 162-0150 [1] BUSHING (28.7-MM OD)  
5C. 162-0151 [1] BUSHING (38.1-MM OD)  
6. 125-5835 [1] PLUG-FELT (UNIT INJECTOR HYDRAULIC 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)  
 

#SEBP27650107
 

131-0463: FILTER GP-WATER SEP & FUEL

131-0463 FILTER GP-WATER SEP & FUEL -PRIMARY
S/N 2KZ1-UP
PART OF 122-4986 INSTALLATION AR-ENGINE
i00172234 SEBP2765
1310463 FILTER GP-WATER SEP & FUEL Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 128-8557 [1] BASE AS-FILTER (PRIMARY FUEL FILTER)  
  7E-5346 [1] VALVE AS (FUEL FILTER)  
  9S-4167 [1] STUD-HOLLOW (1-14X1.47-IN)  
2. 129-0372 [1] FILTER AS-WATER SEP & FUEL (PRIMARY)  
  133-5673 [1] FILTER ELEMENT-WTR SEP & FUEL (STANDARD EFFICIENCY)  
  129-0375 [1] BOWL AS-WATER COLLECTION  
  141-0284 [1] KIT-FUEL FILTER & WATER SEP  
    (INCLUDES GASKET & SEAL)
3. 9S-8002 [4] PLUG (7/16-20-THD)  
4. 6V-5048 [4] SEAL-O-RING  
 

#SEBP27650108
 

8N-9830: HEATER GP-FUEL-COOLANT

8N-9830 HEATER GP-FUEL-COOLANT
S/N 2KZ1-UP
FOR USE WITH DEFROSTER AND HEATER AR
i00167182 SEBP2765
8N9830 HEATER GP-FUEL-COOLANT Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-1641 [1] CLIP (LOOP)  
2. 6P-8855 [2] SPACER-TUBE  
3. 7C-7397 C [2] CONNECTOR  
4. 9X-2488 [14] CLAMP-HOSE  
5. 9P-6019 [1] HOSE-HEATER INLET  
6. 8S-1879 [4] ELBOW-HOSE  
7. 1P-3956 [1] TUBE  
8. 8N-9707 [1] REGULATOR-FUEL TEMPERATURE  
  2M-9780 [1] SEAL-O-RING  
9. 5P-2955 [1] BOLT (5/16-18X2.5-IN)  
10. 7X-0264 [1] BOLT (1/4-20X2.5-IN)  
11. 8N-9584 [1] ADAPTER  
  1P-0436 [2] GASKET (FUEL PRIMING PUMP)  
12. 8N-9745 [1] BASE AS-FUEL FILTER  
  8N-2101 [2] STUD-HOLLOW  
13. 9S-8004 [1] PLUG (9/16-18-THD)  
  3J-1907 [1] SEAL-O-RING  
14. 7C-7367 C [2] HEATER AS-FUEL  
  7C-7398 C [2] SEAL  
15. 3S-2093 [1] STRAP-CABLE  
16. 5P-0767 BE HOSE  
17. 5P-0767 BE HOSE  
18. 4L-6454 [2] BOLT (3/8-16X1-IN)  
  8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
19. 9N-3666 [2] VALVE-MANUAL  
20. 8L-6005 [2] TEE-PIPE  
21. 3K-7928 [2] ELBOW  
22. 7D-7026 [2] CONNECTOR-HOSE  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP27650109
 

138-8756: INJECTOR GP-FUEL

138-8756 INJECTOR GP-FUEL
S/N 80M861-2331
PART OF 108-7090 PUMP GP-FUEL INJECTION
i00148220 SEBP2765
1388756 INJECTOR GP-FUEL Parts scheme
  For full view, you need register

Parts for your 844 WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
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
 

Information:

Special Instruction
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
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
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
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
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
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
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
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
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
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 the 844 Wheel Dozer and for 988F Series II and 990 Series II Wheel Loaders
Disassembly and Assembly
Unit Injector Hydraulic Pump Drive
3412E ENGINE SUPPLEMENT FOR 990 SERIES II WHEEL LOADER & 844
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
Injection Actuation Pressure Control Valve - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines
Injection Actuation Pressure Control Valve - 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 Drive - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump Drive - Install
3408E and 3412E Engines for Caterpillar Built Machines
Service Magazine
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
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}
2005/02/07
Troubleshooting the Injection Actuation Pressure on Unit Injector Hydraulic Pumps {1714}
2006/11/13

Caterpillar Parts SIS Catalog 844 :

DRIVE GP-UNIT INJ HYD PUMP
125-3430 DRIVE GP-UNIT INJ HYD PUMP
ADAPTER GP-FAST FILL FUEL
9U-2909 ADAPTER GP-FAST FILL FUEL
TURBOCHARGER GP
219-0009 TURBOCHARGER GP
TURBOCHARGER GP
218-0891 TURBOCHARGER GP
TURBOCHARGER GP
136-8315 TURBOCHARGER GP
TURBOCHARGER GP
122-3740 TURBOCHARGER GP
PRECLEANER GP
7N-5974 PRECLEANER GP
MUFFLER GP
122-4985 MUFFLER GP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
162-0149 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
180-6644 DRIVE GP-UNIT INJ HYD PUMP
FILTER GP-WATER SEP & FUEL
131-0463 FILTER GP-WATER SEP & FUEL
HEATER GP-FUEL-COOLANT
8N-9830 HEATER GP-FUEL-COOLANT

Truck sale:

2001 CAT 844
 
2001 CAT 844

Raw Machinery Inc
Shepherd, Montana
 
USD $88,000 
2001 CAT 844

Trends Handling
Conway, Arkansas
CATERPILLAR 844 1999
$25,800 USD 
CATERPILLAR 844 1999
- COMPACTORS
FABICK WI
United States
2008 CAT 844
USD $120,000 
2008 CAT 844

CHICAGO MACHINERY CO
Lynwood, Illinois
CAT 844
 
CAT 844

SUKUT EQUIPMENT & PARTS
San Bernardino, California
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Contacts Request list Affiliate disclosure
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.