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6Y-6977 PUMP GP-TRANSMISSION S/N 7HK1-99999 PART OF 8R-5683 LINES GP-POWER TRAIN OIL 990 WHEEL LOADER


POWER TRAIN
PUMP GP
WHEEL GP
SHAFT GP
TRANSMISSION GP
TORQUE CONVERTER GP

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

POWER TRAIN

PUMP GP
PUMP GP-TRANSMISSION
6Y-6977 PUMP GP-TRANSMISSION
PUMP GP-TRANSMISSION
6Y-6978 PUMP GP-TRANSMISSION
 

#SEBP22190270
 

6Y-6977: PUMP GP-TRANSMISSION

6Y-6977 PUMP GP-TRANSMISSION
S/N 7HK1-99999
PART OF 8R-5683 LINES GP-POWER TRAIN OIL
i00167158 SEBP2219
6Y6977 PUMP GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-6978 Y [1] PUMP GP-TRANSMISSION  
2. 2K-0337 [1] LOCKNUT (3/4-16-THD)  
3. 4S-9134 [1] WASHER-HARD (20X30X3-MM THK)  
4. 1B-8714 [1] KEY-WOODRUFF  
5. 6V-4248 M [11] BOLT (M10X1.5X25-MM)  
6. 8E-6502 [1] GEAR-OIL PUMP DRIVE (77-TEETH)  
7. 8E-6503 [1] GASKET  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190271
 

6Y-6978: PUMP GP-TRANSMISSION

6Y-6978 PUMP GP-TRANSMISSION
S/N 7HK1-99999
PART OF 6Y-6977 PUMP GP-TRANSMISSION
i00167159 SEBP2219
6Y6978 PUMP GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8E-6494 [1] BODY AS-OIL PUMP  
  8M-8489 [4] DOWEL  
2. 8E-6498 [1] MANIFOLD AS  
  1M-3909 [2] BUSHING  
3. 8E-6496 [1] COVER AS  
  1M-3909 [2] BUSHING  
4. 8E-6500 [1] GEAR AS-OIL PUMP (8-TEETH)  
5. 8E-6501 [1] GEAR AS-OIL PUMP (8-TEETH)  
6. 8T-0643 M [2] BOLT (M10X1.5X80-MM)  
  6Y-5010 [4] WASHER (10.16X19X0.84-MM THK)  
7. 3S-0004 [6] WASHER (0.406X0.728X0.09-IN THK)  
8. 129-1609 [2] SEAL-O-RING  
9. 6V-7981 M [4] BOLT (M10X1.5X70-MM)  
  M   METRIC PART
 

#SEBP22190272
 

8R-5492: RIM GP-DEMOUNTABLE

8R-5492 RIM GP-DEMOUNTABLE
S/N 7HK1-99999
PART OF 8R-5623 POWER TRAIN AR
i00167194 SEBP2219
8R5492 RIM GP-DEMOUNTABLE Parts scheme
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Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9U-4808 [1] RIM AS (32.00 X 39)  
2. 8X-5652 [1] BAND-BEAD SEAT  
3. 4D-6172 [2] FLANGE  
4. 8X-5271 [1] KEY-DRIVER  
5. 9U-4537 [1] VALVE GP-TIRE  
6. 2A-7116 [1] RING-LOCK  
7. 3D-1964 [1] SEAL-O-RING  
8. 6V-8237 [48] WASHER (26X44X4-MM THK)  
  7X-0851 M [48] NUT (M24X3-THD)  
  M   METRIC PART
 

#SEBP22190273
 

8R-5452: SHAFT GP-DRIVE

8R-5452 SHAFT GP-DRIVE
S/N 7HK1-152
PART OF 8R-5623 POWER TRAIN AR
i00167185 SEBP2219
8R5452 SHAFT GP-DRIVE Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4E-2402 [1] YOKE AS  
2. 4E-4887 [1] GUARD  
3. 4E-4377 [1] CAGE-BEARING  
4. 1H-8278 [1] SEAL-O-RING  
5. 6V-8004 M [6] BOLT (M12X1.75X120-MM)  
6. 5P-3087 [2] CUP-BEARING  
7. 6K-2430 [2] SEAL-LIP TYPE  
8. 2V-2072 [1] GUARD  
9. 5P-8245 [18] WASHER-HARD (13.5X25.5X3-MM THK)  
10. 6V-8149 M [6] NUT (M12X1.75-THD)  
11. 6V-8675 M [6] BOLT (M12X1.75X35-MM)  
12. 5P-3088 [2] CONE-BEARING  
13. 9X-6480 M [20] BOLT (M20X2.5X90-MM)  
14. 4L-9564 [1] SEAL-O-RING  
15. 8T-0360 M [1] BOLT (M20X2.5X90-MM)  
16. 8R-8513 [1] RETAINER  
17. 9U-4985 Y [1] UNIVERSAL JOINT GP  
18. 8R-5454 Y [1] SLIP JOINT GP  
19. 9U-4983 Y [1] UNIVERSAL JOINT GP  
20. 2V-2077 [1] SPACER  
21. 9U-4987 [2] YOKE AS  
    (EACH INCLUDES)
22. 9U-4986 [1] GUARD  
23. 1V-0061 [1] RETAINER-BEARING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190274
 

8R-5452: SHAFT GP-DRIVE

8R-5452 SHAFT GP-DRIVE
S/N 7HK153-99999
PART OF 8R-5623 POWER TRAIN AR
i00167186 SEBP2219
8R5452 SHAFT GP-DRIVE Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4E-2402 [1] YOKE AS  
2. 4E-4887 [1] GUARD  
3. 4E-4377 [1] CAGE-BEARING  
4. 1H-8278 [1] SEAL-O-RING  
5. 6V-8004 M [6] BOLT (M12X1.75X120-MM)  
6. 5P-3087 [2] CUP-BEARING  
7. 6K-2430 [2] SEAL-LIP TYPE  
8. 2V-2072 [1] GUARD  
9. 5P-8245 [18] WASHER-HARD (13.5X25.5X3-MM THK)  
10. 6V-8149 M [6] NUT (M12X1.75-THD)  
11. 6V-8675 M [6] BOLT (M12X1.75X35-MM)  
12. 5P-3088 [2] CONE-BEARING  
13. 9X-6480 M [20] BOLT (M20X2.5X90-MM)  
14. 4L-9564 [1] SEAL-O-RING  
15. 8T-0360 M [1] BOLT (M20X2.5X90-MM)  
16. 8R-8513 [1] RETAINER  
17. 9U-4985 Y [1] UNIVERSAL JOINT GP  
18. 112-4876 Y [1] SLIP JOINT GP  
19. 9U-4983 Y [1] UNIVERSAL JOINT GP  
20. 2V-2077 [1] SPACER  
21. 129-4649 [2] YOKE AS  
    (EACH INCLUDES)
  2J-8163 [1] SEAL-O-RING  
  132-0348 [1] CUP-DUST  
  132-1183 [1] RING-RETAINING  
22. 9U-4986 [1] GUARD  
23. 1V-0061 [1] RETAINER-BEARING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22190275
 

8R-5456: SHAFT GP-INPUT DRIVE

8R-5456 SHAFT GP-INPUT DRIVE
S/N 7HK1-99999
PART OF 8R-5623 POWER TRAIN AR
i00167189 SEBP2219
8R5456 SHAFT GP-INPUT DRIVE Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7I-3082 [1] UNIVERSAL JOINT GP  
2. 9C-3095 [2] SPIDER & BEARING GP  
3. 7I-3083 [1] YOKE-COUPLING  
4. 234-6681 M [8] BOLT-12 POINT HEAD (M12X1.75X60-MM)  
5. 234-6681 M [8] BOLT-12 POINT HEAD (M12X1.75X60-MM)  
  M   METRIC PART
 

#SEBP22190276
 

112-4876: SLIP JOINT GP

112-4876 SLIP JOINT GP
S/N 7HK153-99999
PART OF 8R-5452 SHAFT GP-DRIVE
i00167397 SEBP2219
1124876 SLIP JOINT GP Parts scheme
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Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4E-3462 [2] SPIDER & BEARING GP  
2. 9X-6480 M [8] BOLT (M20X2.5X90-MM)  
3. 112-4877 [1] SHAFT AS  
  1K-6853 [1] FITTING-PRESSURE RELIEF  
  5T-9482 [1] KIT-SEAL  
  113-5936 [1] CUP-DUST  
4. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
  M   METRIC PART
 

#SEBP22190277
 

8R-5454: SLIP JOINT GP

8R-5454 SLIP JOINT GP
S/N 7HK1-152
PART OF 8R-5452 SHAFT GP-DRIVE
i00167188 SEBP2219
8R5454 SLIP JOINT GP Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9X-6480 M [8] BOLT (M20X2.5X90-MM)  
2. 4E-3461 [1] SHAFT AS  
3. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
4. 1K-6853 [1] FITTING-PRESSURE RELIEF  
5. 5T-9482 [1] KIT-SEAL  
6. 4E-3462 [2] SPIDER & BEARING GP  
    (EACH INCLUDES)
7. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
  M   METRIC PART
 

#SEBP22190278
 

8R-5652: SUPPORT GP-TRANSMISSION

8R-5652 SUPPORT GP-TRANSMISSION
S/N 7HK1-99999
PART OF 8R-5621 CHASSIS AR
i00167253 SEBP2219
8R5652 SUPPORT GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4E-9711 [1] BRACKET AS-MOUNTING  
  8B-6349 [2] DOWEL  
2. 9U-2953 [1] BRACKET AS-MOUNTING  
  8B-6349 [2] DOWEL  
  8T-3597 M [2] NUT-WELD (M12X1.75-THD)  
3. 8T-4193 M [8] BOLT (M16X2X50-MM)  
  9X-8257 [8] WASHER (17.5X30X3.5-MM THK)  
4. 8T-6381 M [2] BOLT (M20X2.5X120-MM)  
5. 8T-6430 M [8] BOLT (M20X2.5X50-MM)  
6. 8T-4123 [10] WASHER (3.62X5.75X0.375-MM THK)  
7. 4E-9716 [2] BRACKET AS-MOUNTING  
    (EACH INCLUDES)
  8B-6349 [2] DOWEL  
8. 8T-4649 M [4] BOLT (M24X3X140-MM)  
9. 8T-4167 [4] WASHER-HARD (26X44X4-MM THK)  
10. 9W-7388 [4] WASHER (26X144X12-MM THK)  
11. 9W-7385 [4] SLEEVE  
12. 6Y-9980 [4] MOUNT AS  
13. 9W-6582 [2] SLEEVE  
14. 9W-9930 [2] MOUNT AS  
15. 9W-6584 [2] WASHER (20.5X114X10-MM THK)  
  M   METRIC PART
 

#SEBP22190279
 

6Y-3889: TORQUE CONVERTER & HOUSING GP

6Y-3889 TORQUE CONVERTER & HOUSING GP
S/N 7HK1-99999
PART OF 8R-5623 POWER TRAIN AR
i00167151 SEBP2219
6Y3889 TORQUE CONVERTER & HOUSING GP Parts scheme
  For full view, you need register

Parts for your 990 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-3888 Y [1] TORQUE CONVERTER GP (LOCKUP)  
2. 1T-1639 [1] RING  
3. 6V-5554 [2] SEAL-O-RING  
4. 6P-8340 [1] SLEEVE  
5. 8M-4433 [2] SEAL-O-RING  
6. 6P-8339 [1] LOCK  
7. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
9. 6V-3965 [2] FITTING (QUICK DISCONNECT)  
10. 4H-6730 [1] SEAL-O-RING  
11. 8T-4223 [24] WASHER-HARD (13.5X25.5X3-MM THK)  
12. 8T-4956 M [23] BOLT (M12X1.75X35-MM)  
13. 6V-0852 [2] CAP-DUST  
14. 8M-8514 [3] SEAL-O-RING  
15. 8T-5001 M [1] BOLT (M12X1.75X130-MM)  
16. 3J-1907 [5] SEAL-O-RING  
17. 9S-4191 [3] PLUG (9/16-18-THD)  
18. 398-0700 [1] HOUSING AS  
19. 4B-9784 [2] BALL  
20. 1F-1006 [2] DOWEL  
21. 6I-8194 [1] HOUSING AS-VALVE  
22. 4B-9784 [2] BALL  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

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}

Caterpillar Parts SIS Catalog 990 :

8R-5623 POWER TRAIN AR
PLANETARY GP-TRANSMISSION
6Y-6972 PLANETARY GP-TRANSMISSION
LINES GP-POWER TRAIN OIL
8R-5683 LINES GP-POWER TRAIN OIL
253-8019 KIT-TRANSMISSION BEARING
221-9189 KIT-TORQUE CONVERTER BEARING
210-2242 KIT-TORQUE CONVERTER BEARING
259-5516 KIT-POWER TRAIN
150-3464 KIT-FINAL DRIVE BEARING
PUMP GP-TRANSMISSION
6Y-6978 PUMP GP-TRANSMISSION
RIM GP-DEMOUNTABLE
8R-5492 RIM GP-DEMOUNTABLE
SHAFT GP-DRIVE
8R-5452 SHAFT GP-DRIVE
SHAFT GP-DRIVE
8R-5452 SHAFT GP-DRIVE
SHAFT GP-INPUT DRIVE
8R-5456 SHAFT GP-INPUT DRIVE
SLIP JOINT GP
112-4876 SLIP JOINT GP
SLIP JOINT GP
8R-5454 SLIP JOINT GP
SUPPORT GP-TRANSMISSION
8R-5652 SUPPORT GP-TRANSMISSION

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