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249-5615 VALVE GP-PILOT -STIC STEERING PART OF 236-5240 CONTROL GP-STEERING 990H WHEEL LOADER


STEERING SYSTEM
VALVE GP
BRAKING SYSTEM
VALVE GP
STEERING SYSTEM
VALVE GP
BRAKING SYSTEM
VALVE GP
STEERING SYSTEM
VALVE GP
IMPLEMENTS
CONTROL GP
LOGGING AR

WHEEL LOADER 990H WHEEL LOADER BWX
 CUSTOM PRODUCT SUPPORT LITERATURE FOR THE 990H WHEEL LOADER BWX00001-UP (MACHINE) SEBC1474 990H BWX   (2004)

STEERING SYSTEM

VALVE GP
VALVE GP-PILOT
249-5615 VALVE GP-PILOT
VALVE GP-RELIEF
100-4335 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-3986 VALVE GP-RELIEF
VALVE GP-SELECTOR & PRESS CONT
6E-5566 VALVE GP-SELECTOR & PRESS CONT
VALVE GP-STEERING
301-4608 VALVE GP-STEERING
VALVE GP-STEERING
6E-2923 VALVE GP-STEERING
 

#SEBC14740150
 

249-5615: VALVE GP-PILOT

249-5615 VALVE GP-PILOT -STIC STEERING
PART OF 236-5240 CONTROL GP-STEERING
i02155003 SEBC1474
2495615 VALVE GP-PILOT Parts scheme
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Parts for your 990H WHEEL LOADER:

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

#SEBC14740151
 

100-4335: VALVE GP-RELIEF

100-4335 VALVE GP-RELIEF -PUMP BACKUP
PART OF 301-4608, 6E-2923 VALVE GP-STEERING
i00167336 SEBC1474
1004335 VALVE GP-RELIEF Parts scheme
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Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-8485 [2] SEAL-O-RING  
2. 4J-0522 [1] SEAL-O-RING  
3. 4T-2770 [1] SPRING  
4. 3K-0360 [1] SEAL-O-RING  
5. 4Y-5812 [1] PLATE  
6. 6E-5510 [1] RETAINER AS  
7. 9X-6395 [1] NUT (3/4-16-THD)  
8. 6E-1127 [1] CAP  
9. 8J-0331 [1] VALVE  
10. 6E-6138 [1] VALVE GP-RELIEF (MAIN)  
  8H-3532 [1] SPRING-VALVE  
11. 7B-5684 [1] PIN  
 

#SEBC14740152
 

6E-3986: VALVE GP-RELIEF

6E-3986 VALVE GP-RELIEF -SECONDARY STEERING
PART OF 301-4608, 6E-2923 VALVE GP-STEERING
i00167124 SEBC1474
6E3986 VALVE GP-RELIEF Parts scheme
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Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4776 [2] RING-BACKUP  
2. 8C-3097 [1] SEAL-O-RING  
3. 3K-0360 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  6E-4753 [1] KIT-SEAL  
 

#SEBC14740153
 

6E-5566: VALVE GP-SELECTOR & PRESS CONT

6E-5566 VALVE GP-SELECTOR & PRESS CONT -SECONDARY STEERING
PART OF 2Q-8689 LINES GP-SECONDARY STEERING
i00167135 SEBC1474
6E5566 VALVE GP-SELECTOR & PRESS CONT Parts scheme
  For full view, you need register

Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-7018 B [3] SPACER (7.54X14.15X0.25-MM THK)  
2. 7S-8553 [1] SPRING  
3. 5S-7001 B [3] SPACER (7.54X14.15X0.9-MM THK)  
4. 108-3866 [2] ADAPTER  
5. 2M-9780 [2] SEAL-O-RING  
  B   USE AS REQUIRED
 

#SEBC14740154
 

4T-1860: VALVE GP-SHUTTLE

4T-1860 VALVE GP-SHUTTLE
PART OF 301-4608, 6E-2923 VALVE GP-STEERING
i00089674 SEBC1474
4T1860 VALVE GP-SHUTTLE Parts scheme
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Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-5324 [1] SEAL-O-RING  
2. 3J-1907 [1] SEAL-O-RING  
3. 147-6603 [1] SEAL-O-RING  
4. 147-6604 [2] RING-BACKUP  
5. 147-6605 [2] RING-BACKUP  
 

#SEBC14740155
 

301-4608: VALVE GP-STEERING

301-4608 VALVE GP-STEERING -WITH SECONDARY STEERING
PART OF 2Q-8689 LINES GP-SECONDARY STEERING
i02854738 SEBC1474
3014608 VALVE GP-STEERING Parts scheme 3014608 VALVE GP-STEERING Parts scheme
  For full view, you need register

Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-0323 [1] PLUG AS  
  1U-0322 [1] BUSHING  
  3G-2683 [1] PLUG  
2. 2S-2596 [2] SPRING  
3. 2U-7345 J [1] VALVE-DIVERTER (SECONDARY STEERING)  
5. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)(LOAD SIGNAL, STEERING CYLINDER)  
6. 6E-3775 [1] RETAINER  
8. 6E-3779 [2] PLUG AS  
    (EACH INCLUDES)
  7J-1089 [1] PLUG  
  7M-5130 [1] PIN-SPRING  
9. 6E-3780 [1] VALVE (PRIMARY STEERING PUMP CHECK)  
10. 6E-3985 L [1] VALVE GP-RELIEF (STEERING CYLINDER CROSSOVER)  
11. 6E-4499 [1] SPRING  
12. 6E-4513 [1] ADAPTER-O-RING  
13. 6E-4514 [1] ADAPTER-O-RING  
14. 7J-2927 [1] WASHER (16.66X39.37X3.96-MM THK)  
15. 7J-7423 [1] VALVE-CONTROL (SECONDARY STEERING PUMP CHECK)  
16. 100-4335 Y [1] VALVE GP-RELIEF (PUMP BACKUP)  
19. 307-6457 [1] SCREEN AS  
20. 307-6458 [1] SPRING  
21. 148-8407 [3] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
22. 148-8409 [3] PLUG AS  
    (EACH INCLUDES)
  3D-2824 [1] SEAL-O-RING  
  9S-8008 [1] PLUG (1-1/16-12-THD)  
23. 155-3624 [14] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
24. 162-0177 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
25. 183-7262 [1] PLUG AS  
  2S-4078 [1] SEAL-O-RING  
  9S-8010 [1] PLUG  
26. 183-7263 [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
27. 8T-4896 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
28. 1P-4579 [2] FLANGE-HALF  
29. 1P-5767 [6] FLANGE-HALF  
30. 292-4307 [1] RETAINER  
31. 2S-4078 [2] SEAL-O-RING  
32. 3J-1907 [2] SEAL-O-RING  
33. 4B-9782 [2] BALL  
34. 4J-8224 B [5] SHIM (0.254-MM THK)  
35. 4T-4207 [2] PLUG-ORIFICE  
36. 5J-3419 [1] SPRING  
37. 5J-4776 B [1] SHIM (0.127-MM THK)  
38. 6E-3986 Y [1] VALVE GP-RELIEF (SECONDARY STEERING)  
39. 6E-4286 N [1] VALVE GP-PRESSURE REDUCING (STEERING PILOT OIL REGULATOR)  
40. 6E-4500 [1] SPRING  
41. 6K-6307 [1] SEAL-O-RING  
42. 7S-8491 [1] SPRING  
43. 8C-3206 [2] FLANGE-HALF  
44. 8T-2223 M [1] BOLT-SOCKET HEAD (M10X1.5X45-MM)  
45. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
46. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
47. 8T-4194 M [12] BOLT (M12X1.75X50-MM)  
48. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
49. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
50. 9J-9821 [2] SEAT  
   
    AVAILABLE REPAIR KIT(S):
  2U-7354 J [1] KIT-SEAL (DIVERTER VALVE)  
    (INCLUDES SEAL-O-RINGS & BACKUP RINGS)
  6E-4288 L [1] KIT-SEAL (CROSSOVER RELIEF VALVE)  
    (INCLUDES SEALS & RINGS)
  6E-4287 N [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES SEALS & RINGS)
  B   USE AS REQUIRED
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  N   KIT MARKED N SERVICES PART(S) MARKED N
  Y   SEPARATE ILLUSTRATION
 

#SEBC14740156
 

6E-2923: VALVE GP-STEERING

6E-2923 VALVE GP-STEERING -WITH SECONDARY STEERING
PART OF 2Q-8689 LINES GP-SECONDARY STEERING
i02128008 SEBC1474
6E2923 VALVE GP-STEERING Parts scheme
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Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-7262 C [1] PLUG AS  
  9S-8010 [1] PLUG  
  2S-4078 [1] SEAL-O-RING  
2. 2S-4078 C [2] SEAL-O-RING  
3. 5J-3419 [1] SPRING  
4. 6E-3780 [1] VALVE (PRIMARY STEERING PUMP CHECK)  
7. 7S-8491 [1] SPRING  
8. 7J-7423 [1] VALVE-CONTROL (SECONDARY STEERING PUMP CHECK)  
9. 1U-0323 [1] PLUG AS  
  1U-0322 [1] BUSHING  
  3G-2683 [1] PLUG  
10. 1P-4579 [2] FLANGE-HALF  
11. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
12. 6E-3986 Y [1] VALVE GP-RELIEF (SECONDARY STEERING)  
13. 148-8407 C [3] PLUG AS  
    (EACH INCLUDES)
  9S-4191 [1] PLUG (9/16-18-THD)  
  3J-1907 [1] SEAL-O-RING  
14. 8C-3206 [2] FLANGE-HALF  
15. 6E-4286 J [1] VALVE GP-PRESSURE REDUCING  
16. 100-4335 Y [1] VALVE GP-RELIEF (PUMP BACKUP)  
17. 148-8409 C [3] PLUG AS  
    (EACH INCLUDES)
  9S-8008 [1] PLUG (1-1/16-12-THD)  
  3D-2824 [1] SEAL-O-RING  
19. 4B-9782 [2] BALL  
20. 2S-2596 [2] SPRING  
21. 6E-3779 [2] PLUG AS  
    (EACH INCLUDES)
  7J-1089 [1] PLUG  
  7M-5130 [1] PIN-SPRING  
22. 3J-1907 C [2] SEAL-O-RING  
23. 6E-4513 [1] ADAPTER-O-RING  
24. 1P-5767 [6] FLANGE-HALF  
25. 6E-4514 [1] ADAPTER-O-RING  
26. 6K-6307 [1] SEAL-O-RING  
27. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
28. 6E-3985 U [1] VALVE GP-RELIEF (STEERING CYLINDER CROSSOVER)  
29. 2U-7345 L [1] VALVE-DIVERTER (SECONDARY STEERING)  
30. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
31. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
32. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
33. 183-7263 C [1] PLUG AS  
  9S-8002 [1] PLUG (7/16-20-THD)  
  3J-7354 [1] SEAL-O-RING  
36. 4T-4207 [2] PLUG-ORIFICE  
37. 9J-9821 [2] SEAT  
38. 6E-3775 [1] RETAINER  
39. 8T-2223 M [1] BOLT-SOCKET HEAD (M10X1.5X45-MM)  
40. 6E-4500 [1] SPRING  
41. 6E-4499 [1] SPRING  
42. 8T-4896 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
43. 292-4307 [1] RETAINER  
44. 7J-2927 [1] WASHER (16.66X39.37X3.96-MM THK)  
45. 5J-4776 B [1] SHIM (0.127-MM THK)  
46. 4J-8224 B [5] SHIM (0.254-MM THK)  
48. 8T-4194 M [12] BOLT (M12X1.75X50-MM)  
49. 155-3624 C [16] PLUG AS  
    (EACH INCLUDES)
  9S-4182 [1] PLUG (7/16-20-THD)  
  3J-7354 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  6E-4287 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES 3 SEALS & 3 RINGS)
  2U-7354 L KIT-SEAL (DIVERTER VALVE)  
    (INCLUDES 5 SEAL O-RINGS & 8 RING BACK-UPS)
  6E-4288 U [1] KIT-SEAL (CROSSOVER RELIEF VALVE)  
    (INCLUDES 2 SEALS & 2 RINGS)
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  U   KIT MARKED U SERVICES PART(S) MARKED U
  Y   SEPARATE ILLUSTRATION
 

#SEBC14740157
 

283-2384: ARM GP-LIFT

283-2384 ARM GP-LIFT
CUSTOM
PART OF 2Q-8673 LOGGING AR
i02647950 SEBC1474
2832384 ARM GP-LIFT Parts scheme
  For full view, you need register

Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] BLOCK  
2. 5V-3111 [2] PLATE  
 

#SEBC14740158
 

336-4273: ARM GP-LIFT

336-4273 ARM GP-LIFT
CUSTOM
PART OF 2Q-8673 LOGGING AR
i04165229 SEBC1474
3364273 ARM GP-LIFT Parts scheme
  For full view, you need register

Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [6] BLOCK  
2. [2] PLATE  
 

#SEBC14740159
 

2Q-8673: LOGGING AR

2Q-8673 LOGGING AR
CUSTOM
CANNOT BE USED WITH 242-3521 LIFT AR
i04164994 SEBC1474
  For full view, you need register

Parts for your 990H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] ARM GP-LIFT  
    -OR-
  Y [1] ARM GP-LIFT  
  211-4402 [1] BUMPER AS  
    -OR-
  360-9827 Y [1] BUMPER AR-REAR (HIGH LIFT)  
  189-7834 Y [1] COUNTERWEIGHT GP  
  262-3668 Y [2] CYLINDER GP-LIFT  
  262-6724 Y [1] CYLINDER GP-TILT  
  189-7760 Y [1] HARDWARE GP-LOADER FRAME  
    -OR-
  Y [1] HARDWARE GP-LOADER FRAME  
  271-3216 Y [1] KICKOUT & POSITIONER GP  
  2Q-4464 Y [1] LINES GP-HYDRAULIC (THIRD VALVE)  
    -OR-
  Y [1] LINES GP-HYDRAULIC (3-VALVE)  
  189-7701 Y [1] LINES GP-PILOT  
  271-3215 Y [1] LINES GP-TILT CYLINDER  
  Y [1] OPERATOR AR  
  4Z-6229 Y [1] VALVE GP-MAIN CONTROL (LOGGING)  
   
  8T-4186 M [8] BOLT (M10X1.5X40-MM)  
  3B-8822 [1] ELBOW  
  321-5892 [1] LINK AS  
  3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
  132-7431 [2] BUSHING  
  2Q-4424 [2] STEP AS  
  8T-2561 [8] WASHER-HARD (10.5X28.5X5-MM THK)  
   
    ****STANDARD REMOVALS****
  7Y-5232 JM [8] BOLT (M30X3.5X70-MM)  
  J [1] BUMPER AR-REAR  
  251-1490 L [1] CYLINDER GP-TILT  
  351-8447 L [2] CYLINDER GP-LIFT  
  4M-8973 N [1] ELBOW  
  125-1152 T [1] KICKOUT & POSITIONER GP  
  8R-5672 L [1] LINES GP-TILT CYLINDER  
  132-8675 S [1] LINK AS  
  270-1647 P [1] VALVE GP-MAIN CONTROL (2-FUNCTION)  
  9X-8258 J [8] WASHER (33X56X6-MM THK)  
   
    1****ATTACHMENT REMOVAL****
  234-5901 [1] OPERATOR AR  
  J   PART OF STANDARD MOUNING GP-BUMPER
  L   PART OF STANDARD HYDRAULIC AR
  M   METRIC PART
  N   PART OF STANDARD LINES GP-GREASE
  P   PART OF STANDARD VALVE & LINES GP-MAIN CONTROL
  S   PART OF STANDARD CONTROL GP- BUCKET
  T   PART OF STANDARD ELECTRICAL AR
  Y   SEPARATE ILLUSTRATION
 

Information:

Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Service Letter-CFEL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Technical Information Bulletin
Procedure to Improve Slow Steering Response on Large Wheel Loaders and Wheel Dozers{4304, 4307, 5056}
Procedure to Improve Slow Steering Response on Large Wheel Loaders and Wheel Dozers{4304, 4307, 5056}
Leaky Steering Pilot Valve{4342, 4343}
Leaky Steering Pilot Valve{4342, 4343}
MWL/LWL Neutralizer Valve Leakage {4330}
MWL/LWL Neutralizer Valve Leakage {4330}
Specifications
Steering Neutralizer Valve
990H Wheel Loader and 844H
Wheel Dozer Steering System
Relief Valve (Steering Cylinder Crossover)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Relief Valve (Pump Backup)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Steering Control Valve
990H Wheel Loader and 844H
Wheel Dozer Steering System
Check Valve (Steering Pilot)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Check Valve (Steering Quad)
990H Wheel Loader and 844H
Wheel Dozer Steering System
STIC Control
990H Wheel Loader and 844H
Wheel Dozer Steering System
Pilot Valve (STIC Steering)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Steering Control Valve (with Secondary Steering)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Relief Valve (Secondary Steering)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Selector and Pressure Control Valve (Steering)
990H Wheel Loader and 844H
Wheel Dozer Steering System
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Service Letter-Asia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Systems Operation
Steering Neutralizer Valve
990H Wheel Loader and 844H Wheel Dozer Steering System
Pilot Valve (STIC Steering)
990H Wheel Loader and 844H Wheel Dozer Steering System
Steering Control Valve
990H Wheel Loader and 844H Wheel Dozer Steering System
Steering Control Valve (with Secondary Steering)
990H Wheel Loader and 844H Wheel Dozer Steering System
Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Contamination Control Guidelines
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II AND 990H WHEEL LOADERS THAT ARE EQUIPPED WITH STANDARD STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN STEERING CONTROL VALVE ON CERTAIN 990 SERIES II, 990H WHEEL LOADERS AND 844, 844H WHEEL DOZERS THAT ARE EQUIPPED WITH SECONDARY STEERING
Testing and Adjusting
Relief Valve (Secondary Steering) - Test and Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
Steering Neutralizer Valve - Check and Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
STIC Control (Steering Deadband) - Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
Relief Valve (Steering Cylinder Crossover) - Test and Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
Steering Time - Check and Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
Relief Valve (Pump Backup) - Test and Adjust
990H Wheel Loader and 844H Wheel Dozer Steering System
Disassembly and Assembly
STIC Control and Pilot Valve (Steering) - Remove
990H Wheel Loader Machine Systems
STIC Control and Pilot Valve (Steering) - Install
990H Wheel Loader Machine Systems
Pilot Valve (STIC Steering) - Disassemble
990H Wheel Loader Machine Systems
Pilot Valve (STIC Steering) - Assemble
990H Wheel Loader Machine Systems
Steering Control Valve - Remove
990H Wheel Loader Machine Systems
Steering Control Valve - Install
990H Wheel Loader Machine Systems
Selector and Pressure Control Valve (Steering) - Remove and Install
990H Wheel Loader Machine Systems
Steering Control Valve - Disassemble
990H Wheel Loader Machine Systems
Steering Control Valve - Assemble
990H Wheel Loader Machine Systems
Steering Neutralizer Valve - Remove and Install
990H Wheel Loader Machine Systems
Service Magazine
The Steering Neutralizer Valve has been improved {4330}
2006/11/20
A New Main Steering Control Valve Is Now Used on Large Wheel Loaders and Large Wheel Dozers with the Standard and Secondary Steering {4307, 4307}
2008/09/08
New Steering Neutralizer Valves Available For Large Wheel Loaders, Landfill Compactors, Soil Compactors, and Wheel Dozers {4304, 4330}
2011/08/12
An Improved Lip Seal for the Neutralizer Valves Now Used on Certain Large Wheel Loaders, Medium Wheel Loaders, Wheel Dozers, Landfill Compactors, and Soil Compactors {4330}
2015/08/10

Caterpillar Parts SIS Catalog 990H :

PUMP GP-GEAR
101-4007 PUMP GP-GEAR
LINES GP-SECONDARY STEERING
2Q-8689 LINES GP-SECONDARY STEERING
LINES GP-SECONDARY STEERING
2Q-8689 LINES GP-SECONDARY STEERING
VALVE GP-SOLENOID
152-8340 VALVE GP-SOLENOID
VALVE GP-RIDE CONTROL
9T-9552 VALVE GP-RIDE CONTROL
VALVE GP-RELIEF
9T-9196 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-3185 VALVE GP-RELIEF
VALVE GP-RELIEF
142-4281 VALVE GP-RELIEF
VALVE GP-RELIEF
100-4335 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-3986 VALVE GP-RELIEF
VALVE GP-SELECTOR & PRESS CONT
6E-5566 VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SHUTTLE
4T-1860 VALVE GP-SHUTTLE
VALVE GP-STEERING
301-4608 VALVE GP-STEERING
VALVE GP-STEERING
6E-2923 VALVE GP-STEERING
ARM GP-LIFT
283-2384 ARM GP-LIFT
ARM GP-LIFT
336-4273 ARM GP-LIFT

Truck sale:

Caterpillar 990H
 
Caterpillar 990H
- Wheel loaders
HOLT OF CALIFORNIA
 
209.500 
Caterpillar 990 H, Radlader, Bau-Und Bergbauausrüstung


Caterpillar 990H, Radlader, Bau-Und Bergbauausrüstung
119.900 
Caterpillar 990H, Radlader, Bau-Und Bergbauausrüstung
- Wheel Loaders
FINNING CANADA
Canada
Caterpillar 990H, Construction
416,432 
Caterpillar 990H, Construction
- Wheel Loaders
HASTINGS DEERING (AUSTRALIA)
Australia
 
96,931 
Caterpillar 990H, Construction
- Wheel Loaders
HASTINGS DEERING (AUSTRALIA)
Australia
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