105-1644 ROTATING GP-PUMP S/N 7HK1-UP PART OF 6E-4469 PUMP GP-PISTON 990 WHEEL LOADER



HYDRAULIC SYSTEM
PUMP GP
TANK GP
VALVE GP-CONTROL
VALVE GP-CHECK
VALVE GP-COMBINATION

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

HYDRAULIC SYSTEM

PUMP GP
PUMP GP-PISTON
6E-4469 PUMP GP-PISTON
PUMP GP-PISTON
6E-5264 PUMP GP-PISTON
ROTATING GP-PUMP
105-1644 ROTATING GP-PUMP
ROTATING GP-PUMP
6E-6160 ROTATING GP-PUMP
VALVE GP-PUMP CONTROL
105-2141 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
109-3913 VALVE GP-PUMP CONTROL
 

#SEBP22190360
 

105-1644: ROTATING GP-PUMP

105-1644 ROTATING GP-PUMP
S/N 7HK1-UP
PART OF 6E-4469 PUMP GP-PISTON
i00167361 SEBP2219
1051644 ROTATING GP-PUMP Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 105-1646 [9] PISTON AS-PUMP  
2. 188-9637 [1] PLATE-RETRACTION  
3. 105-1648 [1] BEARING  
5. 105-1650 [1] SPACER  
6. 105-1651 [1] SPRING  
7. 180-6213 [1] RING-RETAINING  
8. 105-1652 [1] PLATE-PORT  
9. 105-1653 [3] PIN-RETRACTION  
 

#SEBP22190361
 

6E-6160: ROTATING GP-PUMP

6E-6160 ROTATING GP-PUMP
S/N 7HK1-UP
REVERSING HYDRAULIC FAN
PART OF 105-4913, 109-4197 PUMP GP-PISTON
i00167139 SEBP2219
6E6160 ROTATING GP-PUMP Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 235-5767 [9] PISTON AS  
2. 6E-6154 [1] PLATE-RETRACTION  
3. 6E-6155 [1] BEARING  
4. 196-0226 [1] BARREL  
5. 6E-3341 [1] SEAT-SPRING  
6. 6E-4009 [1] SPRING  
7. 6E-6158 [1] RING  
8. 6E-6153 [1] PLATE-PORT  
9. 168-3379 [3] PIN  
 

#SEBP22190362
 

6E-4683: TANK & FILTER GP-HYDRAULIC

6E-4683 TANK & FILTER GP-HYDRAULIC -STEERING, HYDRAULIC FAN
S/N 7HK1-99999
PART OF 8R-5674 TANK & MTG GP-HYDRAULIC
i00167131 SEBP2219
6E4683 TANK & FILTER GP-HYDRAULIC Parts scheme 6E4683 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 6E-4684 [1] TANK AS  
2. 110-4808 [1] TANK AS  
3. 4T-3134 [2] FILTER ELEMENT AS-OIL (FIRE RESISTANT FLUID)  
4. 6E-4449 [1] SPACER  
5. 6E-4447 [1] ROD  
6. 9J-1979 [1] RETAINER AS  
7. 7D-1195 [1] SEAL-O-RING  
8. 6E-4450 [1] BASE-FILTER  
9. 6F-6672 [4] SEAL-O-RING  
10. 9J-1988 [1] VALVE  
11. 3G-3498 [1] FLANGE  
12. 8T-4201 M [2] BOLT-LOCKING (M10X1.5X20-MM)  
13. 1L-4349 [1] SPRING  
14. 6V-7744 M [76] LOCKNUT (M10X1.5-THD)  
15. 9J-1985 [1] TUBE AS  
16. 1U-2827 [1] GUIDE-VALVE  
17. 7B-3039 [1] SPRING  
18. 9J-7031 [1] PLUG-DRAIN  
19. 5M-2057 [1] SEAL-O-RING  
20. 8T-3298 [1] SEAL-RECTANGULAR  
21. 6V-5839 [8] WASHER (11X21X2.5-MM THK)  
22. 8J-8782 [1] BODY-DRAIN VALVE  
23. 8J-8783 [1] VALVE-DRAIN (DRAIN)  
24. 238-1825 [1] GASKET  
25. 3D-6678 [1] STRAINER (METAL)  
26. 7B-2805 [1] RING-LOCK  
27. 4J-3815 [1] GASKET  
28. 8T-2275 [1] BALL  
29. 4J-3816 [1] PLATE  
30. 4J-3754 [1] CAP-FILLER (HYDRAULIC TANK)  
31. 4M-6921 [1] WASHER-SPRING  
34. 5H-6733 [1] SEAL-O-RING  
35. 2S-4078 [1] SEAL-O-RING  
36. 9S-8010 [1] PLUG  
37. 2Y-5829 M [1] NUT (M10X1.5-THD)  
38. 6V-1820 M [4] BOLT (M10X1.5X30-MM)  
39. 6E-4448 [1] SPACER  
40. 9T-9226 [2] PLATE  
41. 4T-8698 [1] WASHER (12.2X62X3.5-MM THK)  
42. 7J-2656 [1] SCREEN AS  
43. 1H-9696 [1] SEAL-O-RING  
44. 6V-7732 M [2] BOLT (M10X1.5X25-MM)  
45. 9T-9227 [1] SCREEN AS  
46. 6V-8097 M [4] BOLT (M12X1.75X30-MM)  
47. 4J-0527 [1] SEAL-O-RING  
48. 6V-4248 M [70] BOLT (M10X1.5X25-MM)  
49. 6A-5591 M [8] BOLT (M12X1.75X25-MM)  
50. 6E-4729 [1] BAFFLE AS  
  6V-3822 M [1] BOLT (M10X1.5X35-MM)  
51. 6E-4922 [1] STRAINER AS  
  6E-6549 [1] WASHER (11X27X6-MM THK)  
  6V-3822 M [1] BOLT (M10X1.5X35-MM)  
52. 9T-4872 [1] COVER AS  
53. 6E-6550 [1] GAUGE AS-LIQUID LEVEL  
54. 2H-3927 [1] SEAL-O-RING  
55. 5D-6176 [1] COVER  
  M   METRIC PART
 

#SEBP22190363
 

9T-9554: TANK & FILTER GP-HYDRAULIC

9T-9554 TANK & FILTER GP-HYDRAULIC -IMPLEMENT, BRAKE
S/N 7HK1-99999
PART OF 8R-5673 TANK & MTG GP-HYDRAULIC
i00167300 SEBP2219
9T9554 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 9T-4872 [1] COVER AS  
2. 9S-8010 [1] PLUG  
3. 2S-4078 [1] SEAL-O-RING  
4. 6V-1820 M [4] BOLT (M10X1.5X30-MM)  
5. 6V-5839 [7] WASHER (11X21X2.5-MM THK)  
6. 5H-6733 [1] SEAL-O-RING  
7. 2Y-5829 M [1] NUT (M10X1.5-THD)  
8. 6E-4448 [1] SPACER  
9. 6E-4447 [1] ROD  
10. 6E-4449 [1] SPACER  
11. 4T-3134 [2] FILTER ELEMENT AS-OIL (FIRE RESISTANT FLUID)  
12. 9J-1979 [1] RETAINER AS  
13. 7D-1195 [1] SEAL-O-RING  
14. 6V-7744 M [86] LOCKNUT (M10X1.5-THD)  
15. 6E-4450 [1] BASE-FILTER  
16. 6F-6672 [4] SEAL-O-RING  
17. 6A-5591 M [4] BOLT (M12X1.75X25-MM)  
18. 9J-1988 [1] VALVE  
19. 3G-3498 [1] FLANGE  
20. 8T-4201 M [2] BOLT-LOCKING (M10X1.5X20-MM)  
21. 1L-4349 [1] SPRING  
22. 9J-1985 [1] TUBE AS  
23. 118-8693 [3] SCREEN  
24. 6V-8455 M [12] BOLT (M10X1.5X16-MM)  
25. 8T-3298 [1] SEAL-RECTANGULAR  
26. 9J-7031 [1] PLUG-DRAIN  
27. 5M-2057 [1] SEAL-O-RING  
28. 8J-8782 [1] BODY-DRAIN VALVE  
29. 5P-9119 BD GASKET-TAPE (ADHESIVE BACKED)  
30. 6V-5683 M [3] BOLT (M6X1X16-MM)  
31. 9T-9227 [1] SCREEN AS  
32. 9T-9226 [2] PLATE  
33. 6E-4694 [1] ROD  
34. 3S-4388 [1] WASHER-RETAINING (10.31X63.5X8.64-MM THK)  
35. 6E-4451 [2] VALVE  
36. 9F-8175 [1] SPRING  
38. 6E-4452 [1] BAFFLE AS  
39. 3D-6678 [1] STRAINER (METAL)  
40. 7B-2805 [1] RING-LOCK  
41. 4J-3815 [1] GASKET  
42. 4J-3816 [1] PLATE  
43. 8T-2275 [1] BALL  
44. 4J-3754 [1] CAP-FILLER  
45. 6E-4436 [1] TANK AS  
46. 6V-4248 M [80] BOLT (M10X1.5X25-MM)  
47. 6E-4440 [1] TANK AS  
48. 8T-4219 M [2] STUD-WELD (M10X1.5X17.5-MM)  
49. 7B-3039 [1] SPRING  
50. 8J-8783 [1] VALVE-DRAIN  
51. 6E-6550 [1] GAUGE AS-LIQUID LEVEL  
52. 4M-6921 [1] WASHER-SPRING  
53. 1U-2827 [1] GUIDE-VALVE  
  B   USE AS REQUIRED
  D   ORDER BY THE METER
  M   METRIC PART
 

#SEBP22190364
 

8R-5673: TANK & MTG GP-HYDRAULIC

8R-5673 TANK & MTG GP-HYDRAULIC -IMPLEMENT, BRAKE
S/N 7HK1-99999
PART OF 8R-5622 HYDRAULIC AR
i00167273 SEBP2219
8R5673 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 9T-9554 Y [1] TANK & FILTER GP-HYDRAULIC (IMPLEMENT, BRAKE)  
4. 6T-1698 [6] MOUNT  
5. 7X-2564 M [3] BOLT (M20X2.5X90-MM)  
6. 8T-4123 [3] WASHER (3.62X5.75X0.375-MM THK)  
7. 7Y-6371 [3] WASHER (22X85X10-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190365
 

8R-5674: TANK & MTG GP-HYDRAULIC

8R-5674 TANK & MTG GP-HYDRAULIC -STEERING, HYDRAULIC FAN
S/N 7HK1-99999
PART OF 8R-5622 HYDRAULIC AR
i00167274 SEBP2219
8R5674 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 100-3037 [1] BRACKET AS  
  8T-3597 M [2] NUT-WELD (M12X1.75-THD)  
2. 100-3032 [1] BRACKET  
3. 8T-4910 M [3] BOLT (M12X1.75X60-MM)  
4. 8T-4223 [5] WASHER-HARD (13.5X25.5X3-MM THK)  
5. 7G-8839 [3] SPACER (13.5X57X6-MM THK)  
6. 7T-8331 [3] MOUNT AS  
7. 6E-4683 Y [1] TANK & FILTER GP-HYDRAULIC (HYDRAULIC FAN, STEERING)  
8. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
9. 7X-0550 [2] WASHER-HARD (13.5X32X5-MM THK)  
10. 4E-8569 [1] BAR  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190366
 

8R-5669: VALVE & LINES GP-HYD CONTROL

8R-5669 VALVE & LINES GP-HYD CONTROL
S/N 7HK1-99999
PART OF 8R-5622 HYDRAULIC AR
i00167269 SEBP2219
8R5669 VALVE & LINES GP-HYD CONTROL Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 6E-5839 Y [1] VALVE GP-RELIEF (MAIN)  
2. 1P-5767 [8] FLANGE-HALF  
3. 8T-4910 M [8] BOLT (M12X1.75X60-MM)  
4. 8T-4223 [24] WASHER-HARD (13.5X25.5X3-MM THK)  
5. 4E-7428 I [1] HOSE AS  
6. 1P-3704 [4] SEAL-RECTANGULAR  
7. 8T-5092 M [4] BOLT (M12X1.75X150-MM)  
8. 6E-5834 Y [1] VALVE GP-MAIN CONTROL  
9. 7X-2559 M [2] BOLT (M16X2X160-MM)  
10. 7X-2566 M [4] BOLT (M20X2.5X110-MM)  
  8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
11. 8C-3206 [2] FLANGE-HALF  
  5H-4019 [1] COVER  
  4J-0520 [1] SEAL-O-RING  
12. 8E-6817 [4] SPACER (22X100X10-MM THK)  
13. 6T-6080 [8] MOUNT-RUBBER  
14. 4E-7421 [1] PLATE AS  
15. 4E-7427 I [1] HOSE AS  
16. 4J-0527 [2] SEAL-O-RING  
17. 7X-2550 M [4] BOLT (M12X1.75X110-MM)  
18. 1P-4582 [4] FLANGE-HALF  
19. 4E-7425 [1] MANIFOLD  
  1P-3709 [1] SEAL-RECTANGULAR  
20. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
  8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
21. 8T-4779 M [3] BOLT (M16X2X35-MM)  
22. 9X-8257 [3] WASHER (17.5X30X3.5-MM THK)  
23. 4E-7429 I [1] HOSE AS  
24. 8T-4184 M [4] BOLT (M12X1.75X45-MM)  
25. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
26. 7X-2560 M [1] BOLT (M16X2X220-MM)  
27. 100-2857 [1] MANIFOLD  
  1P-3705 [1] SEAL-RECTANGULAR  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190367
 

9T-3096: VALVE GP-CHECK

9T-3096 VALVE GP-CHECK
S/N 7HK1-99999
DEAD ENGINE, LIFT ARM LOWER
PART OF 8R-5667 LINES GP-PILOT
i01540255 SEBP2219
9T3096 VALVE GP-CHECK Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP22190368
 

9T-9551: VALVE GP-COMBINATION

9T-9551 VALVE GP-COMBINATION -PILOT, BRAKE
S/N 7HK1-99999
PART OF 8R-5667 LINES GP-PILOT
i00167297 SEBP2219
9T9551 VALVE GP-COMBINATION Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 6R-0442 [1] VALVE-SHUTTLE  
2. 6E-6293 [1] VALVE GP-RELIEF  
3. 108-1170 [1] VALVE GP-UNLOADING  
4. 108-1172 [3] VALVE GP-CHECK  
5. 108-1176 [2] PLUG-ORIFICE  
 

#SEBP22190369
 

9T-9551: VALVE GP-COMBINATION

9T-9551 VALVE GP-COMBINATION -PILOT, BRAKE
S/N 7HK1-UP
PART OF 8R-5667 LINES GP-PILOT
i00167298 SEBP2219
9T9551 VALVE GP-COMBINATION Parts scheme
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Parts for your 990 WHEEL LOADER:

Pos. Part No Qty Parts name Comments
1. 6R-0442 [1] VALVE-SHUTTLE  
2. 6E-6293 [1] VALVE GP-RELIEF  
3. 117-7761 C [1] VALVE GP-UNLOADING  
4. 108-1172 [3] VALVE GP-CHECK  
5. 108-1176 [2] PLUG-ORIFICE  
  C   CHANGE FROM PREVIOUS TYPE
 

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 :

ROTATING GP-MOTOR
178-4005 ROTATING GP-MOTOR
ROTATING GP-MOTOR
106-1255 ROTATING GP-MOTOR
PUMP GP-PISTON
6E-5264 PUMP GP-PISTON
PUMP GP-PISTON
6E-4469 PUMP GP-PISTON
PUMP GP-PISTON
6E-4469 PUMP GP-PISTON
PUMP GP-PISTON
6E-3321 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
PUMP GP-PISTON
109-4197 PUMP GP-PISTON
ROTATING GP-PUMP
6E-6160 ROTATING GP-PUMP
TANK & FILTER GP-HYDRAULIC
6E-4683 TANK & FILTER GP-HYDRAULIC
TANK & FILTER GP-HYDRAULIC
9T-9554 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
8R-5673 TANK & MTG GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
8R-5674 TANK & MTG GP-HYDRAULIC
VALVE & LINES GP-HYD CONTROL
8R-5669 VALVE & LINES GP-HYD CONTROL
VALVE GP-CHECK
9T-3096 VALVE GP-CHECK
VALVE GP-COMBINATION
9T-9551 VALVE GP-COMBINATION

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