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170-6047 PUMP & MTG GP-HYDRAULIC FAN S/N 2TW1-UP PART OF 164-0054, 193-8767 COOLING AR 988G WHEEL LOADER


HYDRAULIC SYSTEM
PUMP GP
TANK GP

WHEEL LOADER 988G WHEEL LOADER 2TW
 988G Wheel Loader 2TW00001-UP (MACHINE) POWERED BY 3456 Engine SEBP2742 988G 2TW   (1999)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-HYDRAULIC FAN
170-6047 PUMP & MTG GP-HYDRAULIC FAN
PUMP & MTG GP-HYDRAULIC FAN
170-6052 PUMP & MTG GP-HYDRAULIC FAN
436-6573 PUMP GP-GEAR
PUMP GP-PISTON
152-7767 PUMP GP-PISTON
 

#SEBP27420590
 

170-6047: PUMP & MTG GP-HYDRAULIC FAN

170-6047 PUMP & MTG GP-HYDRAULIC FAN
S/N 2TW1-UP
PART OF 164-0054, 193-8767 COOLING AR
i01048915 SEBP2742
1706047 PUMP & MTG GP-HYDRAULIC FAN Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 152-7767 Y [1] PUMP GP-PISTON (HYDRAULIC FAN)  
2. 9H-8872 [1] GASKET  
3. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
4. 8T-8919 [2] BOLT (1/2-13X1.75-IN)  
5. 6V-0852 [1] CAP-DUST  
6. 150-4047 [1] ADAPTER AS  
  8T-2353 [1] ADAPTER  
  3J-7354 [1] SEAL-O-RING  
7. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  3J-1907 [1] SEAL-O-RING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420591
 

170-6052: PUMP & MTG GP-HYDRAULIC FAN

170-6052 PUMP & MTG GP-HYDRAULIC FAN -HIGH AMBIENT TEMPERATURE
S/N 2TW1-UP
PART OF 164-0055 COOLING AR-HIGH AMBIENT TEMP
i01048920 SEBP2742
1706052 PUMP & MTG GP-HYDRAULIC FAN Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 152-7768 Y [1] PUMP GP-PISTON (HYD FAN, HIGH AMBIENT TEMP)  
2. 9H-8872 [1] GASKET  
3. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
4. 8T-8919 [2] BOLT (1/2-13X1.75-IN)  
5. 6V-0852 [1] CAP-DUST  
6. 150-4047 [1] ADAPTER AS  
  8T-2353 [1] ADAPTER  
  3J-7354 [1] SEAL-O-RING  
7. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  3J-1907 [1] SEAL-O-RING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420592
 

436-6573: PUMP GP-GEAR

436-6573 PUMP GP-GEAR
S/N 2TW1-UP
OPTIONAL HEAVY DUTY REPLACEMENT
FIELD REPLACEMENT FOR 150-7585 PUMP GP-GEAR
i06939359 SEBP2742
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
    AVAILABLE REPAIR KIT(S):
  153-6481 [1] KIT-SEAL (STEERING PUMP)  
    (INCLUDES SEALS, 0-RINGS, BACK-UP RINGS, END SEPARATORS, RING, PLUG, SEALING STRIPS & CENTER SEPARATORS)
 

#SEBP27420593
 

152-7767: PUMP GP-PISTON

152-7767 PUMP GP-PISTON -HYDRAULIC FAN
S/N 2TW1-UP
PART OF 170-6047 PUMP & MTG GP-HYDRAULIC FAN
i01360363 SEBP2742
1527767 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 175-6801 [1] SHAFT-PUMP  
2. 8C-3110 [1] RING-RETAINING  
3. 166-0344 [1] SEAL-SHAFT  
4. 9S-8006 [1] PLUG (7/8-14-THD)  
5. 2M-9780 [1] SEAL-O-RING  
6. 127-9490 [1] SPRING (BIAS)  
7. 168-2198 [1] LINK-CONTROL  
8. 168-7861 [1] PISTON-ACTUATOR  
9. 168-7863 [1] PLUG-CONTROL  
10. 8T-7525 [1] SEAL-O-RING  
11. 083-4419 [1] PIN  
12. 168-3504 [1] SEAL  
13. 136-8423 [1] PLUG-BREAK OFF  
14. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
15. 105-3035 [1] CONE-BEARING  
16. 203-8609 [1] CUP-BEARING  
17. 127-9485 [1] SEAL-O-RING  
18. 127-9483 B [1] SHIM (PRELOAD)  
19. 189-9379 Y [1] ROTATING GP-PUMP  
20. 175-6795 [1] SWASHPLATE  
21. 168-7869 [2] BEARING-CRADLE  
22. 203-9163 [1] CONE-BEARING  
23. 6V-4636 [1] CUP-BEARING  
24. 168-7871 [1] HOUSING-PUMP  
25. 191-2929 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
26. 9X-7680 [3] SEAL-O-RING  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 3J-7354 [1] SEAL-O-RING  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420594
 

152-7768: PUMP GP-PISTON

152-7768 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP
S/N 2TW1-UP
HIGH AMBIENT TEMPERATURE
PART OF 170-6052 PUMP & MTG GP-HYDRAULIC FAN
i01360378 SEBP2742
1527768 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 175-6801 [1] SHAFT-PUMP  
2. 8C-3110 [1] RING-RETAINING  
3. 166-0344 [1] SEAL-SHAFT  
4. 9S-8006 [1] PLUG (7/8-14-THD)  
5. 2M-9780 [1] SEAL-O-RING  
6. 127-9490 [1] SPRING (BIAS)  
7. 168-2198 [1] LINK-CONTROL  
8. 168-7861 [1] PISTON-ACTUATOR  
9. 168-7863 [1] PLUG-CONTROL  
10. 8T-7525 [1] SEAL-O-RING  
11. 083-4419 [1] PIN  
12. 168-3504 [1] SEAL  
13. 136-8423 [1] PLUG-BREAK OFF  
14. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
15. 105-3035 [1] CONE-BEARING  
16. 203-8609 [1] CUP-BEARING  
17. 127-9485 [1] SEAL-O-RING  
18. 127-9483 B [1] SHIM (PRELOAD)  
19. 189-9379 Y [1] ROTATING GP-PUMP  
20. 175-6795 [1] SWASHPLATE  
21. 168-7869 [2] BEARING-CRADLE  
22. 203-9163 [1] CONE-BEARING  
23. 6V-4636 [1] CUP-BEARING  
24. 168-7871 [1] HOUSING-PUMP  
25. 191-2929 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
26. 9X-7680 [3] SEAL-O-RING  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 3J-7354 [1] SEAL-O-RING  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420595
 

203-6069: PUMP GP-PISTON

203-6069 PUMP GP-PISTON -IMPLEMENT
S/N 2TW1-UP
PART OF 132-6134 LINES GP-HYDRAULIC
i01495025 SEBP2742
2036069 PUMP GP-PISTON Parts scheme 2036069 PUMP GP-PISTON Parts scheme
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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4J-9780 [1] PLUG-ORIFICE  
3. 6V-0852 [1] CAP-DUST  
4. 8J-0101 [1] PLATE-NOTICE (HYDRAULIC OIL FILL)  
5. 110-2973 [2] BEARING-SPECIAL ROLLER  
6. 110-3970 [1] BALL  
7. 110-3971 [1] SWASHPLATE  
8. 110-3978 [1] SPRING-WAVE  
9. 118-5805 [1] BEARING-SPECIAL RACE  
10. 137-5646 [1] SPACER (70.4X87.5X7.6-MM THK)  
11. 142-0149 [1] SPACER (70.75X80X1.07-MM THK)  
12. 143-2006 [1] COVER AS  
13. 144-0167 [1] COVER  
14. 146-8990 [1] IMPELLER  
15. 146-8991 [1] SPACER (29X38X1.57-MM THK)  
16. 148-2556 [1] HEAD AS  
  148-2558 [1] PLUG  
17. 148-3548 [1] BEARING-SPECIAL RACE  
18. 149-0231 [1] SEAL-O-RING  
19. 149-1348 [1] PLATE-RETAINER  
20. 150-3065 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-0484 [1] ELBOW  
21. 150-4355 [9] PISTON AS  
22. 155-4326 [1] COVER  
23. [1] ACTUATOR  
24. 164-3256 [1] PLATE-PORT  
25. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  3J-1907 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
26. 165-6062 [2] LINK (TIMING)  
27. 174-4461 [1] SHAFT  
28. 175-2791 Y [1] VALVE GP-SHUTTLE  
29. 175-7887 [2] DOWEL  
30. 179-1900 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
31. 179-1955 [1] BODY AS  
  124-1555 [1] PLUG  
32. 179-2006 [1] RETAINER AS  
  6V-3382 [2] SEAL-LIP TYPE  
  124-1555 [1] PLUG  
33. 184-3635 [1] SLIDE-ACTUATOR  
34. 187-9116 [1] BARREL AS-PUMP  
35. 192-3677 [1] COVER-ACTUATOR  
36. 107-3118 [1] SEAL-O-RING  
38. 136-4192 M [1] BOLT (M6X1X35-MM)  
39. 143-7319 [1] RACE-ROLLER BEARING  
40. 1B-8710 [1] KEY-WOODRUFF  
41. 2A-3630 [2] PIN  
42. 2R-0239 [1] SEAL-O-RING  
43. 3J-0634 [1] SEAL-O-RING  
44. 3J-1907 [1] SEAL-O-RING  
45. 3K-0360 [1] SEAL-O-RING  
46. 4J-0526 [1] SEAL-O-RING  
47. 5A-3604 M [3] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
48. 5P-8245 [11] WASHER-HARD (13.5X25.5X3-MM THK)  
49. 6F-5559 [1] SEAL-O-RING  
50. 6F-7061 [2] DOWEL  
51. 6S-3002 [1] SEAL-O-RING  
52. 6V-5221 M [4] BOLT (M8X1.25X80-MM)  
53. 6V-5684 M [12] BOLT (M12X1.75X45-MM)  
54. 6V-5686 M [7] BOLT (M16X2X50-MM)  
55. 6V-8243 [1] RING-RETAINING  
56. 6V-9746 [6] SEAL-O-RING  
57. 7M-8485 [4] SEAL-O-RING  
58. 8C-7587 M [6] BOLT-SOCKET HEAD (M16X2X160-MM)  
59. 8T-0267 M [5] BOLT-SOCKET HEAD (M6X1X12-MM)  
60. 9M-1974 [4] WASHER-HARD (8.8X16X2-MM THK)  
61. 9S-4181 [4] PLUG (1-5/16-12-THD)  
62. 9S-4185 [1] PLUG (3/4-16-THD)  
63. 9S-4191 [1] PLUG (9/16-18-THD)  
64. 9X-8268 [7] WASHER (17.5X30X3.5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  185-5352 [1] KIT-SEAL  
    (INCLUDES DUST CAP, O-RING SEALS, PIN, RING, LIP TYPE SEAL & RETAINING RING)
  [1] KIT-SPACER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420596
 

205-3995: PUMP GP-PISTON

205-3995 PUMP GP-PISTON -IMPLEMENT
S/N 2TW660-UP
PART OF 132-6134 LINES GP-HYDRAULIC
i01506019 SEBP2742
2053995 PUMP GP-PISTON Parts scheme 2053995 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4J-9780 [1] PLUG-ORIFICE  
3. 6V-0852 [1] CAP-DUST  
4. 8J-0101 [1] PLATE-NOTICE (HYDRAULIC OIL FILL)  
5. 110-2973 [2] BEARING-SPECIAL ROLLER  
6. 110-3970 [1] BALL  
7. 110-3971 [1] SWASHPLATE  
8. 110-3978 [1] SPRING-WAVE  
9. 118-5805 [1] BEARING-SPECIAL RACE  
10. 137-5646 [1] SPACER (70.4X87.5X7.6-MM THK)  
11. 142-0149 [1] SPACER (70.75X80X1.07-MM THK)  
12. 143-2006 [1] COVER AS  
13. 144-0167 [1] COVER  
14. 146-8990 [1] IMPELLER  
15. 146-8991 [1] SPACER (29X38X1.57-MM THK)  
16. 148-2556 [1] HEAD AS  
  148-2558 [1] PLUG  
17. 148-3548 [1] BEARING-SPECIAL RACE  
18. 149-0231 [1] SEAL-O-RING  
19. 149-1348 [1] PLATE-RETAINER  
20. 150-3065 [1] ELBOW AS  
  6V-0484 [1] ELBOW  
  3J-1907 [1] SEAL-O-RING  
21. 150-4355 [9] PISTON AS  
22. 155-4326 [1] COVER  
23. [1] ACTUATOR  
24. 164-3256 [1] PLATE-PORT  
25. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  3J-1907 [1] SEAL-O-RING  
26. 165-6062 [2] LINK (TIMING)  
27. 174-4461 [1] SHAFT  
28. 175-2791 Y [1] VALVE GP-SHUTTLE  
29. 175-7887 [2] DOWEL  
30. 179-1955 [1] BODY AS  
  124-1555 [1] PLUG  
31. 179-2006 [1] RETAINER AS  
  6V-3382 [2] SEAL-LIP TYPE  
  124-1555 [1] PLUG  
32. 184-3635 [1] SLIDE-ACTUATOR  
33. 187-9116 [1] BARREL AS-PUMP  
34. 192-3677 [1] COVER-ACTUATOR  
35. 205-3998 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
36. 107-3118 [1] SEAL-O-RING  
38. 136-4192 M [1] BOLT (M6X1X35-MM)  
39. 143-7319 [1] RACE-ROLLER BEARING  
40. 1B-8710 [1] KEY-WOODRUFF  
41. 2A-3630 [2] PIN  
42. 2R-0239 [1] SEAL-O-RING  
43. 3J-0634 [1] SEAL-O-RING  
44. 3J-1907 [1] SEAL-O-RING  
45. 3K-0360 [1] SEAL-O-RING  
46. 4J-0526 [1] SEAL-O-RING  
47. 5A-3604 M [3] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
48. 5P-8245 [11] WASHER-HARD (13.5X25.5X3-MM THK)  
49. 6F-5559 [1] SEAL-O-RING  
50. 6F-7061 [2] DOWEL  
51. 6S-3002 [1] SEAL-O-RING  
52. 6V-5221 M [4] BOLT (M8X1.25X80-MM)  
53. 6V-5684 M [12] BOLT (M12X1.75X45-MM)  
54. 6V-5686 M [7] BOLT (M16X2X50-MM)  
55. 6V-8243 [1] RING-RETAINING  
56. 6V-9746 [6] SEAL-O-RING  
57. 7M-8485 [4] SEAL-O-RING  
58. 8C-7587 M [6] BOLT-SOCKET HEAD (M16X2X160-MM)  
59. 8T-0267 M [5] BOLT-SOCKET HEAD (M6X1X12-MM)  
60. 9M-1974 [4] WASHER-HARD (8.8X16X2-MM THK)  
61. 9S-4181 [4] PLUG (1-5/16-12-THD)  
62. 9S-4185 [1] PLUG (3/4-16-THD)  
63. 9S-4191 [1] PLUG (9/16-18-THD)  
64. 9X-8268 [7] WASHER (17.5X30X3.5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  185-5352 [1] KIT-SEAL  
    (INCLUDES PIN, SEAL-O-RINGS, RING-BACKUP, CAP-DUST, SEAL-LIP, & RING-RETAINING)
  [1] KIT-SPACER  
    (INCLUDES THREE SPACERS)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420597
 

189-9379: ROTATING GP-PUMP

189-9379 ROTATING GP-PUMP -HYDRAULIC FAN
S/N 2TW1-UP
PART OF 152-7767, 152-7768 PUMP GP-PISTON
i01362869 SEBP2742
1899379 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-7942 [1] WASHER (28.2X36.5X2-MM THK)  
2. 128-7069 [1] BARREL-CYLINDER  
3. 096-0015 [1] RING-RETAINING  
4. 138-8173 [1] PLATE-VALVE  
5. 138-8175 [1] BEARING-SPHERICAL  
6. 168-7941 [1] SPRING  
7. 168-7940 [3] PIN  
 

#SEBP27420598
 

132-6143: TANK & MTG GP-HYDRAULIC

132-6143 TANK & MTG GP-HYDRAULIC
S/N 2TW1-UP
PART OF 114-5103 HYDRAULIC AR
Type 1
i00988720 SEBP2742
1326143 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9G-9288 Y [1] CAP GP-PROTECTION  
2. 9T-0818 [1] VALVE-BREAKER RELIEF  
3. 138-7496 [2] BRACKET AS  
4. 138-7497 [1] BRACKET AS  
5. 153-3602 Y [1] TANK GP-HYDRAULIC  
6. 158-8033 [1] BRACKET AS  
7. 3D-2824 [1] SEAL-O-RING  
8. 7X-2563 M [20] BOLT (M20X2.5X60-MM)  
9. 8T-5439 [20] WASHER-HARD (21.5X45X6-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27420599
 

132-6143: TANK & MTG GP-HYDRAULIC

132-6143 TANK & MTG GP-HYDRAULIC
S/N 2TW1-UP
PART OF 114-5103 HYDRAULIC AR
Type 2
i05163627 SEBP2742
1326143 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9G-9288 Y [1] CAP GP-PROTECTION  
2. 358-9476 CY [1] VALVE AS-RELIEF  
3. 138-7496 [2] BRACKET AS  
4. 138-7497 [1] BRACKET AS  
5. 153-3602 Y [1] TANK GP-HYDRAULIC  
6. 158-8033 [1] BRACKET AS  
7. 8T-5439 [20] WASHER-HARD (21.5X45X6-MM THK)  
8. 7X-2563 M [20] BOLT (M20X2.5X60-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and Steering Pump{4306, 5070, 5070, 5084, 5091}
Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and Steering Pump{4306, 5070, 5070, 5084, 5091}
Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System{4014, 5057, 5073, 5091}
Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System{4014, 5057, 5073, 5091}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Service Letter-Australia
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Service Letter-CFEL
Service Letter-CSARL
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Service Letter-Americas
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING FAILED 1746625 IMPLEMENT PUMP ON CERTAIN 988G WHEEL LOADERS
Technical Information Bulletin
The Implement And Steering Pumps May Need To Be Primed After The Hydraulic System Has Been Drained And Refilled
The Implement And Steering Pumps May Need To Be Primed After The Hydraulic System Has Been Drained And Refilled
988G Stall Speeds Require Careful Attention to Operating Parameters
988G Stall Speeds Require Careful Attention to Operating Parameters
Implement Pump Controls Changes w/ New 988G T1 Software in P130280
Implement Pump Controls Changes w/ New 988G T1 Software in P130280
988G and 988H Wheel Loader Implement Pump Failures{5070}
988G and 988H Wheel Loader Implement Pump Failures{5070}
Specifications
Piston Pump (Hydraulic Fan)
988G Wheel Loader Electrohydraulic System
Piston Pump (Implement)
988G Wheel Loader Electrohydraulic System
Pump Control Valve (Implement)
988G Wheel Loader Electrohydraulic System
Gear Pump (Pilot and Braking)
988G Wheel Loader Electrohydraulic System
Pressure Sensor (Implement Pump Oil)
988G Wheel Loader Electrohydraulic System
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Service Letter-Asia
Systems Operation
Pump Control Operation
988G Wheel Loader Electrohydraulic System
Hydraulic Fan System
988G Wheel Loader Electrohydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Information Release Memo
CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS
CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS
Service Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR ADDING AN AUTOMATIC VALVE TO PURGE AIR FROM THE PILOT/BRAKE PUMP AND HOSES TO FILL THE CASES OF THE HYDRAULIC AND STEERING PUMPS ON CERTAIN 988G WHEEL LOADERS
Testing and Adjusting
Torque Converter Stall - Test
988G Wheel Loader Electrohydraulic System
Torque Converter Stall and Implement Pump Double Stall - Test
988G Wheel Loader Electrohydraulic System
Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust
988G Wheel Loader Electrohydraulic System
Piston Pump Cutoff Pressure (Hydraulic Fan) - Test and Adjust
988G Wheel Loader Electrohydraulic System
Case Drain (Implement Pump) - Test
988G Wheel Loader Electrohydraulic System
Pump Performance (Pilot and Braking) - Test
988G Wheel Loader Braking System
Pump Performance (Implement) - Test
988G Wheel Loader Electrohydraulic System
Bench Test Procedures
Bench Test Procedure for Hydraulic Piston Pumps{1387, 4306, 5070, 5084}
Bench Test Procedure for Hydraulic Piston Pumps{1387, 4306, 5070, 5084}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Troubleshooting
MID 082 - CID 0499 - FMI 03
988G Wheel Loader Electrohydraulic System
MID 082 - CID 0499 - FMI 05
988G Wheel Loader Electrohydraulic System
MID 082 - CID 0499 - FMI 06
988G Wheel Loader Electrohydraulic System
Disassembly and Assembly
Piston Pump (Implement) - Remove
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Disassemble
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Assemble
988G Wheel Loader Machine Systems
Piston Pump (Implement) - Install
988G Wheel Loader Machine Systems
Pump Control Valve (Steering) - Remove and Install
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Remove
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Install
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Disassemble
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Hydraulic Fan) - Remove and Install
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Remove
988G Wheel Loader Machine Systems
Piston Pump (Hydraulic Fan) - Install
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Remove
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Disassemble
988G Wheel Loader Machine Systems
Gear Pump (Pilot, Brake) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Disassemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Assemble
988G Wheel Loader Machine Systems
Pump Control Valve (Implement) - Install
988G Wheel Loader Machine Systems
Service Magazine
Special Instruction, REHS1124 , "Installation of Hose Assemblies that are Used to Assist Priming the Hydraulic Pump and Steering Pump" is Available {4304, 4306, 5057, 5070, 5070, 5084}
2001/07/23
A New Location of the Pressure Sensor for the Implement Pump Improves Reliability {5070, 5084}
2001/11/12
Special Instruction, REHS1287, "Installation Procedure for the Automatic Purge Valve for Priming of the Gear Pump for the Pilot System and the Braking System"is Available {4014, 5057, 5073, 5091}
2002/03/18
Revised Special Instruction, REHS1124 , "Installation of Hose Assemblies that are Used to Fill the Cases of the Hydraulic Pump and the Steering Pump" {4306, 5070, 5084, 5091}
2002/04/22
A New Bracket Is Used for the Pump Pressure Sensor {5057, 5070, 5084}
2004/05/24
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25
Correction to Testing and Adjusting , "Torque Converter Stall - Test" {3101}
2006/04/10
Correction to Testing and Adjusting , "Torque Converter Stall and Implement Pump Double Stall - Test" {3101, 5070}
2006/04/10
Correction to Testing and Adjusting , "Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust" {1387, 1387, 5070, 5070}
2009/03/30
A New Service Tool for Installing the Service Sleeve Bearings in Hydraulic Gear Pumps Is Now Available for Certain CAT Machines {0738, 5073, 5073, 7551}
2011/12/15
New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}
New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}

Caterpillar Parts SIS Catalog 988G :

MOTOR GP-GEAR
139-6825 MOTOR GP-GEAR
330-4412 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
296-7785 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
174-3620 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
174-3620 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
174-3620 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
174-3620 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
174-3468 LINES GP-TILT CYLINDER
PUMP & MTG GP-HYDRAULIC FAN
170-6052 PUMP & MTG GP-HYDRAULIC FAN
436-6573 PUMP GP-GEAR
PUMP GP-PISTON
152-7767 PUMP GP-PISTON
PUMP GP-PISTON
152-7768 PUMP GP-PISTON
PUMP GP-PISTON
203-6069 PUMP GP-PISTON
PUMP GP-PISTON
205-3995 PUMP GP-PISTON
ROTATING GP-PUMP
189-9379 ROTATING GP-PUMP
TANK & MTG GP-HYDRAULIC
132-6143 TANK & MTG GP-HYDRAULIC

Truck sale:

Caterpillar 988G
 
Caterpillar 988G
- Wheel Loaders
FINANZAUTO S.A.
 
69,000 
Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
FABICK CAT
Caterpillar 988G/H HIGH LIFT CYLINDER AND BUCKET, bucket, Construction
 
Caterpillar 988G/H HIGH LIFT CYLINDER AND BUCKET, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.
Caterpillar 988G/H, bucket, Construction
 
Caterpillar 988G/H, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.
Caterpillar 988G, Wheel Loaders, Construction
72,000 
Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
MACALLISTER MACHINERY CO., INC
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