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6E-4657 PUMP GP-GEAR -PILOT, BRAKE S/N 7HK1-99999 PART OF 8R-5676 PUMP & MTG GP-PILOT & BRAKE 990 WHEEL LOADER


HYDRAULIC SYSTEM
PUMP GP
MOTOR GP

WHEEL LOADER 990 WHEEL LOADER 7HK
 990 Wheel Loader 7HK00001-UP (MACHINE) POWERED BY 3412 Engine SEBP2219 990 7HK   (1991)

HYDRAULIC SYSTEM

PUMP GP
8R-5675 PUMP & MTG GP-IMPLEMENT
PUMP & MTG GP-PILOT & BRAKE
8R-5676 PUMP & MTG GP-PILOT & BRAKE
PUMP GP-GEAR
6E-4657 PUMP GP-GEAR
PUMP GP-PISTON
105-4913 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
 

#SEBP22190350
 

6E-4657: PUMP GP-GEAR

6E-4657 PUMP GP-GEAR -PILOT, BRAKE
S/N 7HK1-99999
PART OF 8R-5676 PUMP & MTG GP-PILOT & BRAKE
i00167129 SEBP2219
6E4657 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-4534 [8] BOLT-SOCKET HEAD (3/8-16X1-IN)  
2. 7X-4806 J [1] SEAL-LIP TYPE  
3. 1L-3768 J [1] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  119-9292 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBP22190351
 

105-4913: PUMP GP-PISTON

105-4913 PUMP GP-PISTON -HYDRAULIC FAN
S/N 7HK1-77
PART OF 6E-5245 PUMP GP-PISTON
i00167368 SEBP2219
1054913 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-3343 [1] RING  
2. 6E-4004 [1] SEAL-SHAFT  
3. 6E-3995 [1] HOUSING  
4. 3E-6770 [1] SEAL-O-RING  
5. 6E-6174 [1] PLUNGER  
6. 8J-0412 [1] CUP-BEARING  
7. 3P-1210 [1] CONE-BEARING  
8. 6E-6176 [1] SPRING  
9. 6E-6175 [1] CYLINDER  
10. 3E-6769 [4] SEAL-O-RING  
11. Z [1] HEAD  
12. 095-9805 M [4] BOLT-SOCKET HEAD (M14X2X40-MM)  
13. 083-4419 [1] PIN  
14. 6E-3999 [1] SPACER (49X57X3-MM THK)  
15. 1P-6872 [1] CUP-BEARING  
16. 109-1779 [1] CONE-BEARING  
17. 6E-4000 [1] SPACER (25.5X35X3-MM THK)  
18. 6E-6173 [1] GUIDE  
19. 6E-6172 [1] PISTON  
20. 101-0374 [2] STOP AS  
21. 6E-6169 [1] SWASHPLATE AS  
22. 6E-4003 [2] BEARING  
23. 101-0508 [2] PLUG-ORIFICE  
24. 105-2143 [1] SHAFT-PUMP  
25. 9S-8006 [1] PLUG (7/8-14-THD)  
26. 2M-9780 [1] SEAL-O-RING  
  6E-6160 YF [1] ROTATING GP-PUMP  
  105-2141 YF [1] VALVE GP-PUMP CONTROL (PRESSURE COMPENSATOR)  
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
  Z   NOT SERVICED SEPARATELY
 

#SEBP22190352
 

109-4197: PUMP GP-PISTON

109-4197 PUMP GP-PISTON -HYDRAULIC FAN
S/N 7HK78-UP
PART OF 109-4195 PUMP GP-PISTON
Type 1
i00167386 SEBP2219
1094197 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-3343 [1] RING  
2. 6E-4004 [1] SEAL-SHAFT  
3. 6E-3995 [1] HOUSING  
4. 3E-6770 [1] SEAL-O-RING  
5. 6E-6174 [1] PLUNGER  
6. 8J-0412 [1] CUP-BEARING  
7. 3P-1210 [1] CONE-BEARING  
8. 6E-6176 [1] SPRING  
9. 6E-6175 [1] CYLINDER  
10. 3E-6769 [4] SEAL-O-RING  
11. 117-7435 [1] HEAD  
12. 095-9805 M [4] BOLT-SOCKET HEAD (M14X2X40-MM)  
13. 083-4419 [1] PIN  
14. 6E-3999 [1] SPACER (49X57X3-MM THK)  
15. 1P-6872 [1] CUP-BEARING  
16. 109-1779 [1] CONE-BEARING  
17. 6E-4000 [1] SPACER (25.5X35X3-MM THK)  
18. 6E-6173 [1] GUIDE  
19. 6E-6172 [1] PISTON  
20. 101-0374 [2] STOP AS  
21. 6E-6169 [1] SWASHPLATE AS  
22. 6E-4003 [2] BEARING  
23. 101-0508 [2] PLUG-ORIFICE  
24. 105-2143 [1] SHAFT-PUMP  
25. 9S-8006 [1] PLUG (7/8-14-THD)  
26. 2M-9780 [1] SEAL-O-RING  
  6E-6160 YF [1] ROTATING GP-PUMP  
  105-2141 YF [1] VALVE GP-PUMP CONTROL (PRESSURE COMPENSATOR)  
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190353
 

109-4197: PUMP GP-PISTON

109-4197 PUMP GP-PISTON -HYDRAULIC FAN
S/N 7HK78-UP
PART OF 109-4195 PUMP GP-PISTON
Type 2
i00167387 SEBP2219
1094197 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-3343 [1] RING  
2. 6E-4004 [1] SEAL-SHAFT  
3. 6E-3995 [1] HOUSING  
4. 3E-6770 [1] SEAL-O-RING  
5. 6E-6174 [1] PLUNGER  
6. 8J-0412 [1] CUP-BEARING  
7. 3P-1210 [1] CONE-BEARING  
8. 6E-6176 [1] SPRING  
9. 6E-6175 [1] CYLINDER  
10. 3E-6769 [4] SEAL-O-RING  
11. 117-7435 [1] HEAD  
12. 095-9805 M [4] BOLT-SOCKET HEAD (M14X2X40-MM)  
13. 083-4419 [1] PIN  
14. 6E-3999 [1] SPACER (49X57X3-MM THK)  
15. 1P-6872 [1] CUP-BEARING  
16. 8C-7110 [1] CONE-BEARING  
17. 6E-4000 [1] SPACER (25.5X35X3-MM THK)  
18. 6E-6173 [1] GUIDE  
19. 6E-6172 [1] PISTON  
20. Z [2] STOP AS  
21. 6E-6169 [1] SWASHPLATE AS  
22. 6E-4003 [2] BEARING  
23. 101-0508 [2] PLUG-ORIFICE  
24. 105-2143 [1] SHAFT-PUMP  
25. 9S-8006 [1] PLUG (7/8-14-THD)  
26. 2M-9780 [1] SEAL-O-RING  
27. 9T-3940 [1] PLUG-BREAK OFF  
28. 105-2146 [2] PLUG  
  6E-6160 YF [1] ROTATING GP-PUMP  
  118-2874 YF [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
  Z   NOT SERVICED SEPARATELY
 

#SEBP22190354
 

6E-3321: PUMP GP-PISTON

6E-3321 PUMP GP-PISTON -IMPLEMENT
S/N 7HK1-99999
TANDEM
PART OF 8R-5675 PUMP & MTG GP-IMPLEMENT
i00167122 SEBP2219
6E3321 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-6911 M [8] BOLT-SOCKET HEAD (M12X1.75X180-MM)  
2. 6E-1992 [1] MANIFOLD  
3. 7X-2549 M [6] BOLT (M12X1.75X100-MM)  
4. 6F-4718 [2] SEAL-O-RING  
5. 6E-5264 Y [2] PUMP GP-PISTON (IMPLEMENT)  
6. 8T-6404 [1] SEAL-O-RING  
7. 6E-2813 [1] COUPLING  
8. 6E-1991 [1] MANIFOLD  
9. 6V-7742 M [4] NUT-FULL (M20X2.5-THD)  
10. 6V-3669 M [4] BOLT (M20X2.5X80-MM)  
11. 7X-2551 M [2] BOLT (M12X1.75X200-MM)  
12. 5B-5821 [2] DOWEL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190355
 

6E-4469: PUMP GP-PISTON

6E-4469 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP
S/N 7HK1-UP
SLIPPER
PART OF 6E-5244 PUMP & MTG GP-STEERING & FAN
Type 1
i00167126 SEBP2219
6E4469 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-9598 [1] RING-RETAINING  
2. 105-1632 [1] SEAL  
3. 105-1633 [1] HOUSING-PUMP  
4. 9X-7410 [1] SEAL-O-RING  
5. 105-1634 [1] PLUNGER  
6. 3B-2263 [1] CUP-BEARING  
7. 105-3031 [1] CONE-BEARING  
8. 105-1635 [1] SPRING  
9. 105-1636 [1] CYLINDER-CONTROL  
10. 7L-9061 [4] SEAL-O-RING  
11. 105-1637 [1] HEAD-PUMP  
12. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
13. 083-4419 [1] PIN  
14. 3D-2824 [1] SEAL-O-RING  
15. 105-3033 [1] CUP-BEARING  
16. 105-3032 [1] CONE-BEARING  
17. 105-1638 [1] SPACER (30X38X3-MM THK)  
18. 105-1639 [1] GUIDE-CONTROL  
19. 105-1640 [1] PISTON-CONTROL  
20. 101-0374 [2] STOP AS  
21. 105-1641 [1] SWASHPLATE AS (LH)  
22. 105-1642 [2] BEARING  
23. 101-0508 [2] PLUG-ORIFICE  
24. 105-1643 [1] SHAFT-PUMP  
25. 9S-4183 [1] PLUG (1-1/16-12-THD)  
26. 9T-3940 [1] PLUG-BREAK OFF  
27. 105-2157 [2] PLUG  
  109-3913 YF [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
  105-1644 YF [1] ROTATING GP-PUMP  
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190356
 

6E-4469: PUMP GP-PISTON

6E-4469 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP
S/N 7HK1-UP
SLIPPER
PART OF 6E-5244 PUMP & MTG GP-STEERING & FAN
Type 2
i00167127 SEBP2219
6E4469 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-9598 [1] RING-RETAINING  
2. 105-1642 [2] BEARING  
3. 105-1633 [1] HOUSING-PUMP  
4. 105-1644 Y [1] ROTATING GP-PUMP  
5. 7L-9061 [4] SEAL-O-RING  
6. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
7. 105-3033 [1] CUP-BEARING  
8. 105-3032 [1] CONE-BEARING  
9. 105-2157 [2] PLUG  
10. 105-1638 [1] SPACER (30X38X3-MM THK)  
11. 9X-7410 [1] SEAL-O-RING  
12. 105-1636 [1] CYLINDER-CONTROL  
13. 105-1635 [1] SPRING  
14. 105-1634 [1] PLUNGER  
15. 9S-4183 [1] PLUG (1-1/16-12-THD)  
16. 3D-2824 [1] SEAL-O-RING  
17. 215-1205 [1] SHAFT  
18. 3B-2263 [1] CUP-BEARING  
19. 105-3031 [1] CONE-BEARING  
20. 105-1632 [1] SEAL  
21. 105-1641 [1] SWASHPLATE AS (LH)  
22. 105-1640 [1] PISTON-CONTROL  
23. 105-1639 [1] GUIDE-CONTROL  
24. 105-1637 [1] HEAD-PUMP  
25. 136-8423 [1] PLUG-BREAK OFF  
26. 083-4419 [1] PIN  
27. 143-7052 [1] SLEEVE-STOP  
  118-2874 CFY [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
  C   CHANGE FROM PREVIOUS TYPE
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190357
 

6E-5264: PUMP GP-PISTON

6E-5264 PUMP GP-PISTON -IMPLEMENT
S/N 7HK1-99999
PART OF 6E-3321 PUMP GP-PISTON
i00167134 SEBP2219
6E5264 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-2811 [1] IMPELLER  
2. 6E-4675 [2] DOWEL  
3. 3E-6910 M [4] BOLT-SOCKET HEAD (M12X1.75X70-MM)  
4. 9X-7443 [1] SEAL-LIP TYPE  
5. 6E-4846 [1] PLATE  
6. 8J-0484 [1] RING-RETAINING  
7. 9J-2417 [1] BARREL AS  
8. 3G-9671 [1] PLATE-WEAR  
9. 5B-5821 [3] DOWEL  
10. 5B-7892 [1] DOWEL  
11. 106-4578 [1] CUP-BEARING  
12. 106-4579 [1] CONE-BEARING  
13. 4D-1736 [1] RING-RETAINING  
14. 6E-2812 [1] SHAFT  
15. 6E-2208 [1] BODY  
16. 6E-3178 [1] CAM  
17. 4T-7024 [1] PLATE-RETRACTION  
18. 6E-4153 B [4] SHIM (0.05-MM THK)  
  6E-4154 B [4] SHIM (0.12-MM THK)  
19. 6E-4915 [1] SPACER  
20. 6E-3179 [1] BEARING-PLATE  
21. 6V-9805 M [8] BOLT (M6X1X20-MM)  
22. 115-5290 [9] PISTON AS  
23. 4T-0360 [1] SPRING  
24. 8J-0482 [2] SPACER  
25. 6E-3180 [2] SPACER  
26. 8J-0533 [1] GASKET  
27. 106-4576 [1] CUP-BEARING  
28. 106-4577 [1] CONE-BEARING  
29. 6V-8213 M [2] BOLT-SOCKET HEAD (M8X1.25X70-MM)  
30. 1H-1023 [2] SEAL-O-RING  
31. 9S-8005 [3] PLUG (3/4-16-THD)  
32. 3K-0360 [3] SEAL-O-RING  
33. 5L-2931 [1] RING-RETAINING  
34. 6E-4155 B [2] SHIM (0.05-MM THK)  
  6E-4156 B [2] SHIM (0.12-MM THK)  
35. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
36. 6E-2023 [1] HEAD-PUMP  
37. 9X-8267 [8] WASHER (6.6X12X2-MM THK)  
38. 8J-0101 [1] PLATE-NOTICE (HYDRAULIC OIL FILL)  
39. 1U-1655 [1] SEAL-LIP TYPE  
40. 106-3289 B [4] SHIM (0.12-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP22190358
 

106-1255: ROTATING GP-MOTOR

106-1255 ROTATING GP-MOTOR
S/N 7HK1-99999
PART OF 6E-4576 MOTOR GP-PISTON
FIELD REPLACEMENT ORDER @@@@@178-4005@@@@@
i00090867 SEBP2219
1061255 ROTATING GP-MOTOR Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 165-6974 [7] PISTON AS  
    (EACH INCLUDES)
1A. 9T-3745 [2] RING  
2. 9X-6574 [1] RING-RETAINING  
3. 6E-1685 [1] SHAFT-DRIVE  
4. 111-9265 [1] PLATE  
6. 6V-7351 [1] SEAL-O-RING  
7. 9T-3368 [4] WASHER-SPRING  
8. 6E-1696 [1] PIN-CENTER  
9. 106-1259 [1] BARREL  
10. 122-9799 [1] PLATE-PORT  
11. 6E-1704 B [2] SHIM (0.2-MM THK)  
12. 6E-1705 B [1] SHIM (0.3-MM THK)  
13. 6E-1687 [1] COVER-FRONT  
14. 6E-1693 [1] SEAL-SHAFT  
15. 6E-1698 B [1] SPACER  
16. 6E-1699 B [1] SPACER  
17. 6E-1702 B [1] SPACER  
18. 6E-1703 B [1] SPACER  
19. 6E-1688 [1] DISC  
20. 6E-1701 [7] SCREW (M8X20-MM)  
21. 6E-1691 [1] BEARING AS  
22. 6E-1686 [1] RING-BEARING HOUSING  
23. 6E-1692 [1] BEARING AS  
24. 6E-1690 [1] NUT-BEARING  
  B   USE AS REQUIRED
 

#SEBP22190359
 

178-4005: ROTATING GP-MOTOR

178-4005 ROTATING GP-MOTOR -HYDRAULIC FAN
S/N 7HK1-99999
PART OF 159-7166 MOTOR GP-PISTON
FIELD REPLACEMENT FOR @@@@@106-1255@@@@@
i01219970 SEBP2219
1784005 ROTATING GP-MOTOR Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-3995 [1] SHAFT AS  
  171-5995 [1] KIT-BEARING  
2. 6E-1687 [1] COVER-FRONT  
3. 9X-6574 [1] RING-RETAINING  
4. 124-9913 [1] SEAL-SHAFT  
5. 6V-7351 [1] SEAL-O-RING  
6. 6E-1704 B [1] SHIM (0.2-MM THK)  
7. 6E-1705 B [1] SHIM (0.3-MM THK)  
8. 180-2436 [1] BARREL  
9. 122-9799 [1] PLATE-PORT  
10. 178-3997 [1] PIN  
11. 165-6974 [7] PISTON AS  
    (EACH INCLUDES)
  9T-3745 [2] RING  
12. 6E-1688 [1] DISC  
13. 124-9935 B [1] SHIM (3.8-MM THK)  
14. 124-9936 B [1] SHIM (3.9-MM THK)  
15. 124-9937 B [1] SHIM (4-MM THK)  
16. 124-9934 B [1] SHIM (3.7-MM THK)  
17. 124-9933 B [1] SHIM (3.6-MM THK)  
18. 124-9932 B [1] SHIM (3.5-MM THK)  
19. 178-3998 [1] SPRING  
20. 111-9265 [1] PLATE  
21. 113-4418 [7] SCREW (M8X20-MM)  
  B   USE AS REQUIRED
 

Information:

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 Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 990 :

PUMP & MTG GP-PILOT & BRAKE
8R-5676 PUMP & MTG GP-PILOT & BRAKE
8R-5675 PUMP & MTG GP-IMPLEMENT
MOTOR GP-PISTON
6E-4576 MOTOR GP-PISTON
MOTOR GP-PISTON
159-7166 MOTOR GP-PISTON
LINES GP-TILT CYLINDER
8R-5672 LINES GP-TILT CYLINDER
LINES GP-PILOT
8R-5667 LINES GP-PILOT
LINES GP-LIFT CYLINDER
8R-5666 LINES GP-LIFT CYLINDER
LINES GP-HYDRAULIC OIL COOLER
8R-5670 LINES GP-HYDRAULIC OIL COOLER
PUMP GP-PISTON
105-4913 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
PUMP GP-PISTON
6E-3321 PUMP GP-PISTON
PUMP GP-PISTON
6E-4469 PUMP GP-PISTON
PUMP GP-PISTON
6E-4469 PUMP GP-PISTON
PUMP GP-PISTON
6E-5264 PUMP GP-PISTON
ROTATING GP-MOTOR
106-1255 ROTATING GP-MOTOR

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