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PLANETARY TRANSMISSION--PART 1 of 2 PART OF 1S9996 RANGE TRANSMISSION ARRANGEMENT SHOWN ON PAGE 87 988


POWER TRAIN
TRANSMISSION GP
CONTROL GP-TRANSMISSION HYD
VALVE GP-SEQUENCE & PRESS CONT
VALVE GP-SELECTOR & PRESS CONT

WHEEL LOADER 988 WHEEL LOADER 87A
 988 TRAXCAVATOR 87A00001-00530 (MACHINE) UE035422 988 87A   (1965)

POWER TRAIN

TRANSMISSION GP
RANGE TRANSMISSION ARRANGEMENT
1S-9996 RANGE TRANSMISSION ARRANGEMENT
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
 

#UE0354220140
 

PLANETARY TRANSMISSION

PLANETARY TRANSMISSION--PART 1 of 2
PART OF 1S9996 RANGE TRANSMISSION ARRANGEMENT SHOWN ON PAGE 87
c79715 UE035422
None PLANETARY TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4M-1641 [6] PIN  
  4M-7124 [8] DISC ASSEM.  
  5M-0505 [1] GEAR (124 TEETH)  
  4M-7128 [1] GEAR (124 AND 80 TEETH)  
  2M-7090 [9] GEAR (21 TEETH)  
  5M-7925 [15] BEARING ASSEM.  
  5M-1909 [6] SHAFT  
  2M-3939 [1] CARRIER  
  2M-7089 [3] GEAR (21 TEETH)  
  4M-2373 [3] SPACER  
  1S-1648 [1] SHAFT  
  9H-0415 [1] RING  
  8M-4898 [2] RING  
  9M-8251 [1] GEAR (32 AND 37 TEETH)  
  4B-9880 [6] BALL  
  0S-1588 [12] BOLT  
  2M-4224 [6] LOCK  
  4M-7127 [1] GEAR (124 AND 80 TEETH)  
  8M-8491 [1] MANIFOLD ASSEM.  
  4M-1625 [7] PLATE  
  1S-3736 [3] DISC ASSEM.  
  4M-1677 [12] PIN  
  1S-0062 [1] PISTON  
  0S-0509 [12] BOLT  
  6H-4209 [6] LOCK  
  1S-0059 [6] RETAINER  
  2B-0947 [12] BOLT  
  2M-0849 [12] WASHER  
  9M-2108 [1] SEAL  
  4M-1712 [1] DOWEL  
  4M-8857 [1] GEAR (39 TEETH)  
  2M-3904 [1] OUTER RACE  
  8F-6836 [1] INNER RACE AND ROLLER ASSEM.  
  1S-8507 [1] FLANGE ASSEM.  
  5M-7937 [2] DOWEL  
  4B-9880 [1] BALL  
    (PARTS OF FLANGE ASSEM. 1S8507)
  4M-1708 [1] RING  
  1M-8652 [1] RING  
  2M-7088 [6] GEAR (17 TEETH)  
  1A-2029 [8] BOLT  
  5M-1726 [4] LOCK  
  9M-8189 [1] SUPPORT  
  9M-2125 [1] CAGE  
  5M-2054 [12] BEARING ASSEM.  
  0S-1594 [9] BOLT  
  9M-2126 [3] LOCK  
  2S-1440 [1] TUBE  
  0T-0102 [1] BOLT  
  2B-2404 [1] CLIP  
  3B-8995 [1] FITTING  
  1F-1344 [1] NUT  
    (PART OF FITTING 3B8995)
 

#UE0354220141
 

PLANETARY TRANSMISSION

PLANETARY TRANSMISSION--Part 2 of 2
Part of 1S9996 Range Transmission Arrangement shown on Page 87
c154085 UE035422
None PLANETARY TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4M-1632 [4] RING  
  4M-1598 [4] PISTON  
  4M-1633 [4] RING (standard)  
  6P-8265 HC [4] RING (.015 in. Oversize)  
  6P-8260 HC [1] RING (.030 in. (Oversize)  
  2S-1358 [1] HOUSING ASSEM.  
  0S-1594 [9] BOLT  
  5M-2976 [3] LOCK (1.040" LONG)  
  1A-7427 [3] LOCK (3.875" LONG)  
  4M-8899 [1] CAGE  
  5M-2477 [1] PLATE  
    (TRANSMISSION NUMBER)
  7B-3028 [2] SCREW  
    (NOT SHOWN-MOUNTED ON TRANSMISSION CASE)
  1M-5513 [3] INNER RACE AND ROLLER ASSEM.  
  1M-5514 [3] OUTER RACE  
  7M-5761 [24] WASHER  
  2S-1336 [1] HOUSING  
  8M-2518 [2] BOLT  
  2S-1448 [1] PLATE ASSEM.  
  7M-1201 [2] DOWEL  
    (PART OF PLATE ASSEM. 2S1448)
  4M-0685 [1] HOUSING ASSEM.  
  5M-7937 [2] DOWEL  
    (PART OF HOUSING ASSEM. 4M685)
  4M-1678 [12] SPRING  
  4M-9641 [12] BOLT  
  2M-0849 [12] WASHER  
  4M-2442 [2] BOLT  
  2M-0849 [2] WASHER  
  4M-7125 [1] GEAR (124 AND 18 TEETH)  
  2S-1445 [1] CARRIER  
  9M-2107 [1] SEAL  
  7M-1199 [12] SPRING  
  9H-5545 [6] PIN  
  0L-1026 [1] PLUG  
  3B-8975 [1] DOWEL  
  9M-2113 [1] RING  
  4M-1634 [1] RING  
  2S-1452 [1] HUB ASSEM.  
  2M-3964 [1] RING  
  8M-4445 [3] SEAL  
  4F-0588 [1] BEARING  
  3K-2553 [1] RING  
  5M-3949 [6] SHAFT  
  7M-5731 [12] WASHER  
  4B-9880 [6] BALL  
  1S-0060 [1] PISTON  
  1S-0057 R [3] PLATE  
  1S-8491 [4] DISC ASSEM.  
  2S-1446 [1] PLATE ASSEM.  
  5M-7937 [1] DOWEL  
    (PART OF PLATE ASSEM. 2S1446)
  9H-5537 [24] SPRING  
  7M-1201 [1] DOWEL  
    (PART OF PLATE ASSEM. 2S1446)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  H   NOT PART OF PLANETARY TRANSMIS
 

#UE0354220142
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--Top View -Part 1 of 2
Serial No. 87A1 to 87A204 inclusive
Part of 1S9996 Range Transmission Arrangement shown on Page 87
8M6377 Pressure Control Group and 8M6334 Safety Reset and Converter Hold Valve Group parts are shown on Pages 92 and 93
c74885 UE035422
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4M-1765 [1] SLEEVE  
  8M-4389 [2] SEAL  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  9M-8186 [1] WASHER  
  7M-1225 [1] SHAFT  
  1M-8147 [1] RING  
  8M-1019 [1] SPRING  
  1S-3220 [1] CAM ASSEM.  
  9M-2089 [1] DOWEL  
    (PART OF CAM ASSEM. 1S3220)
  1S-3211 [2] PIN  
  0L-1329 [2] BOLT  
  1S-3206 [4] BEARING  
  9M-2022 [2] DOWEL  
  1S-3207 [1] DETENT  
  8M-6334 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0S-1619 [1] BOLT  
  5M-2894 [1] WASHER  
  1D-4719 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  1M-3820 [2] SPACER  
  0V-0531 [2] WASHER  
  1S-3154 [1] DETENT  
  8M-6329 [1] LEVER ASSEM.  
  9M-2089 [1] DOWEL  
    (PART OF LEVER ASSEM. 8M6329)
  1S-2175 [1] CAM  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  7M-5915 [1] PIN  
  2S-1373 [1] SPRING  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  0L-1143 [1] BOLT  
  5M-2894 [1] WASHER  
  8M-6307 [1] SLEEVE  
  8M-8157 [2] SEAL  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0573 [2] BOLT  
  5M-2894 [2] WASHER  
  9M-4305 [1] COVER  
  8M-4443 [1] SEAL  
  8M-6377 Y [1] CONTROL GROUP  
    (SEE SEPARATE ILLUSTRATION)
  8M-4447 [3] SEAL  
  5F-4899 [1] BOLT  
  5M-2894 [1] WASHER  
  1D-4706 [1] BOLT  
  5M-2894 [1] WASHER  
  7M-1285 [1] STOP  
  9M-2089 [1] DOWEL  
    (PART OF LEVER ASSEM. 8M5229)
  8M-5229 [1] LEVER ASSEM.  
  8M-4446 [1] SEAL  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  1A-2029 [2] BOLT  
  5M-2976 [2] LOCK  
  9M-2085 [2] SLEEVE  
  8M-4389 [4] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220143
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--As Viewed from Rear of Machine-Part 2 of 2
Serial No. 87A1 to 87A204 inclusive
Part of 1S9996 Range Transmission Arrangement shown on Page 87
9M4351 Selector Valve Group parts are shown on Page 93
c86823 UE035422
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8M-4389 [2] SEAL  
  1S-2126 [1] SLEEVE  
  9H-0223 [2] SEAL  
  9M-2046 [1] MANIFOLD  
  8M-4447 [4] SEAL  
  0S-1594 [2] BOLT  
  5M-2976 [2] LOCK  
  8M-4447 [3] SEAL  
  1S-3172 [1] MANIFOLD ASSEM.  
  4B-9783 [1] BALL  
    (PART OF MANIFOLD ASSEM. 1S3172)
  8M-1043 [6] SEAL ASSEM.  
  9M-2009 [1] ELBOW  
  1M-6475 [1] SLEEVE  
  8M-4389 [2] SEAL  
  8M-4446 [3] SEAL  
  8M-4445 [1] SEAL  
  8M-4445 [2] SEAL  
  2S-0666 [1] SEAL ASSEM.  
  9M-2019 [1] SHAFT  
  9H-0223 [1] SEAL  
  9M-4351 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0T-0573 [2] BOLT  
  5M-2894 [2] WASHER  
  2A-4639 [3] BOLT  
  5M-2894 [3] WASHER  
  2B-0858 [1] PLUG  
    (PART OF MANIFOLD ASSEM 1S3172)
  Y   SEPARATE ILLUSTRATION
 

#UE0354220144
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--Top View- Part 1 of 2
Effective with Serial No. 87A205-Up and Test No. 339-Up
Part of 1S9996 Range Transmission Arrangement shown on Page 87
2S454 Pressure Control Group and 8M6334 Safety Reset and Converter Hold Valve Group parts are shown on Pages 92A and 93
c122823 UE035422
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2S-0485 [1] SLEEVE  
  8M-4389 [2] SEAL  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  9M-8186 [1] WASHER  
  7M-1225 [1] SHAFT  
  1M-8147 [1] RING  
  2S-1381 [1] SPRING  
  1S-3220 [1] CAM ASSEM.  
  9M-2089 [1] DOWEL  
    (PART OF CAM ASSEM. 1S3220)
  1S-3211 [2] PIN  
  0L-1329 [2] BOLT  
  1S-3206 [4] BEARING  
  9M-2022 [2] DOWEL  
  1S-3207 [1] DETENT  
  8M-6334 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0S-1619 [1] BOLT  
  5M-2894 [1] WASHER  
  1D-4719 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  1M-3820 [2] SPACER  
  0V-0531 [2] WASHER  
  1S-3154 [1] DETENT  
  8M-6329 [1] LEVER ASSEM.  
  9M-2089 [1] DOWEL  
    (PART OF LEVER ASSEM. 8M6329)
  1S-2175 [1] CAM  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  7M-5915 [1] PIN  
  2S-1373 [1] SPRING  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  0L-1143 [1] BOLT  
  5M-2894 [1] WASHER  
  2S-0494 [1] SLEEVE  
  8M-8157 [2] SEAL  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0573 [2] BOLT  
  5M-2894 [2] WASHER  
  9M-4305 [1] COVER  
  8M-4443 [1] SEAL  
  2S-0454 Y [1] CONTROL GROUP  
    (SEE SEPARATE ILLUSTRATION)
  8M-4447 [3] SEAL  
  5F-4899 [1] BOLT  
  5M-2894 [1] WASHER  
  1D-4706 [1] BOLT  
  5M-2894 [1] WASHER  
  7M-1285 [1] STOP  
  9M-2089 [1] DOWEL  
    (PART OF LEVER ASSEM. 8M5229)
  8M-5229 [1] LEVER ASSEM.  
  8M-4446 [1] SEAL  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  1A-2029 [2] BOLT  
  5M-2894 [4] WASHER  
  2S-0483 [2] SLEEVE  
  8M-4389 [4] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220145
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--As Viewed from Rear of Machine -Part 2 of 2
Effective with Serial No. 87A205-Up and Test No. 339-Up
Part of 1S9996 Range Transmission Arrangement shown on Page 87
9M4351 Selector Valve Group parts are shown on Page 93
c122824 UE035422
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8M-4389 [2] SEAL  
  2S-1357 [1] SLEEVE  
  9H-0223 [2] SEAL  
  9M-2046 [1] MANIFOLD  
  8M-4447 [4] SEAL  
  0S-1594 [2] BOLT  
  5M-2976 [2] LOCK  
  8M-4447 [3] SEAL  
  1S-3172 [1] MANIFOLD ASSEM.  
  4B-9783 [1] BALL  
    (PART OF MANIFOLD ASSEM. 1S3172)
  8M-1043 [6] SEAL ASSEM.  
  9M-2009 [1] ELBOW  
  2S-0484 [1] SLEEVE  
  8M-4389 [2] SEAL  
  8M-4446 [3] SEAL  
  8M-4445 [1] SEAL  
  8M-4445 [3] SEAL  
  9M-2019 [1] SHAFT  
  9H-0223 [1] SEAL  
  9M-4351 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0T-0573 [2] BOLT  
  5M-2894 [2] WASHER  
  2A-4639 [3] BOLT  
  5M-2894 [3] WASHER  
  2B-0858 [1] PLUG  
    (PART OF MANIFOLD ASSEM. 1S3172)
  Y   SEPARATE ILLUSTRATION
 

#UE0354220146
 

8M-6377: PRESSURE CONTROL GROUP

8M6377 PRESSURE CONTROL GROUP
Part of Transmission Hydraulic Control shown on Page 90
8M6363 Neutralizer Valve Group parts are shown on Page 96
c74886 UE035422
8M6377 PRESSURE CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1591 [4] BOLT  
  7M-5727 [2] LOCK  
  8M-6363 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  8M-4988 [1] SEAL  
  7M-5865 [1] SPRING  
  4M-5915 [1] SPRING  
  8M-8281 [1] SEAL  
  1S-1638 [1] RING  
  1S-1636 [1] RETAINER  
    (PARTS OF SPOOL ASSEM. 2S1431)
  7M-5897 [1] PLUG ASSEM  
  7M-5899 [1] SEAL  
    (PART OF PLUG ASSEM. 7M5897)
  2S-1431 [1] SPOOL ASSEM.  
  8M-5087 [1] SPOOL  
  1S-1634 [1] BODY  
  8M-5196 [1] SPOOL ASSEM  
  1S-1643 [1] SPRING  
  5M-2504 [1] SLUG  
  8M-5173 [1] STOP  
  8M-5218 [1] PLATE  
  8M-5173 [1] STOP  
  0S-1594 [2] BOLT  
  0L-1477 [1] LOCK  
  8M-7640 [2] LOCK  
  0S-1594 [2] BOLT  
  1A-2029 [2] BOLT  
  1T-0298 [1] LOCK  
  2S-1412 [1] COVER  
  3B-8998 [2] FITTING  
  1F-1344 [2] NUT  
    (1 IN EACH FITTING 3B8998)
  5M-2504 [1] SLUG  
  5M-2504 [1] SLUG  
  2S-1422 [1] SPOOL ASSEM  
  2S-1411 [1] TUBE  
  1S-1638 [1] RING  
  1S-1636 [1] RETAINER  
  4M-2381 [1] SPRING  
  1S-2121 [1] PLUNGER  
    (PARTS OF SPOOL ASSEM. 2S1422)
  5M-7914 [2] SPACER (.010" THICK)  
  5M-7915 [2] SPACER (136" THICK)  
  5M-6214 [4] PLUG  
  4M-2381 [1] SPRING  
  1S-2121 [1] PLUNGER  
    (PARTS OF SPOOL ASSEM. 2S1431)
  3H-2617 [2] PIN  
  3H-0703 [2] DOWEL  
  2S-1391 [1] SPRING  
  1S-1644 [1] PISTON  
  2S-1420 [1] STOP  
  2S-0656 [1] PLUG  
  5M-7914 [2] SPACER (010" THICK)  
  5M-7915 [2] SPACER (036" THICK)  
  8M-5173 [1] STOP  
  2S-0628 [1] SPOOL  
  8M-8202 [1] SPRING  
  8M-4988 [1] SEAL  
  1S-0125 [1] COVER  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220147
 

2S-0454: PRESSURE CONTROL GROUP

2S454 PRESSURE CONTROL GROUP
SERIAL NO. 87A205-UP AND TEST NO. 339-UP. PART OF TRANSMISSION HYDRAULIC CONTROL SHOWN ON PAGE 90B
2S1443 NEUTRALIZER VALVE GROUP PARTS ARE SHOWN ON PAGE 96A
c122825 UE035422
2S0454 PRESSURE CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1571 [4] BOLT  
  5M-2894 [4] WASHER  
  2S-1443 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  7M-5865 [1] SPRING  
  4M-5915 [1] SPRING  
  8M-8281 [1] SEAL  
  1S-1638 [1] RING  
  1S-1636 [1] RETAINER  
    (PARTS OF SPOOL ASSEM. 3S2652)
  7M-5897 [1] PLUG ASSEM.  
  7M-5899 [1] SEAL  
    (PART OF PLUG ASSEM. 7M5897)
  3S-2652 [1] SPOOL ASSEM.  
  8M-5087 [1] SPOOL  
  2S-3523 [1] BODY  
  8M-5196 [1] SPOOL ASSEM.  
  1S-1643 [1] SPRING  
  5M-2504 [1] SLUG  
  8M-5173 [1] STOP  
  1S-1644 [1] PISTON  
  8M-5218 [1] PLATE  
  8M-5173 [1] STOP  
  0S-1594 [2] BOLT  
  1T-0765 [2] BOLT  
  5M-2894 [2] WASHER  
  0S-1571 [2] BOLT  
  5M-2894 [2] WASHER  
  5M-2504 [1] SLUG  
  5M-2504 [1] SLUG  
  2S-3596 [1] SPOOL ASSEM.  
  1S-1638 [1] RING  
  1S-1636 [1] RETAINER  
  4M-2381 [1] SPRING  
  1S-2121 [1] PLUNGER  
    (PARTS OF SPOOL ASSEM. 2S3596)
  5M-7914 [2] SPACER (.010" THICK)  
  5M-7915 [2] SPACER (.036" THICK)  
  5M-6214 [4] PLUG  
  4M-2381 [1] SPRING  
  1S-2121 [1] PLUNGER  
    (PART OF SPOOL ASSEM. 3S2652)
  3H-2617 [2] PIN  
  3H-0703 [2] DOWEL  
  2S-1391 [1] SPRING  
  2S-1420 [1] STOP  
  2S-0656 [1] PLUG (ORIFICE)  
  5M-7914 [2] SPACER (.010" THICK)  
  5M-7915 [2] SPACER (.036" THICK)  
  8M-5173 [1] STOP  
  2S-0628 [1] SPOOL  
  8S-6354 [1] SPRING  
  8M-5248 [1] SEAL  
  1S-0125 [1] COVER  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220148
 

1P-2619: PRESSURE CONTROL GROUP

1P2619 PRESSURE CONTROL GROUP
Serial No. 87A205-Up and Test No. 339-Up. 2S1443 Neutralizer Valve parts
are shown on Page 96A. Provides Service Replacement for 2S454 shown
on Page 92A
c137415 UE035422
1P2619 PRESSURE CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [6] BOLT  
2. 5M-2894 [8] WASHER  
3. 2S-1443 Y [1] VALVE GROUP (Neutralizer)  
    (See Separate Illustration)
4. 5M-2504 [2] SLUG  
5. 9S-4339 [1] BODY ASSEM.  
6. 4B-9783 [2] BALL  
7. 4B-9782 [1] BALL  
8. 5M-7914 [3] SPACER (.010" Thick)  
  5M-7915 [4] SPACER (.036" Thick)  
9. 2S-3596 [1] SPOOL (Dir. Reduce)  
10. 1S-1636 [1] RETAINER  
  1S-1638 [1] RING  
11. 4M-2381 [1] SPRING  
12. 1S-2121 [1] PLUNGER  
13. 2S-1391 [1] SPRING  
14. 8H-9208 [2] DOWEL  
15. 1S-1643 [1] SPRING  
16. 2S-0628 [1] SPOOL (Check)  
17. 8S-6354 [1] SPRING  
18. 8M-5248 [1] SEAL  
19. 1S-0125 [1] COVER  
20. 1T-0765 [2] BOLT  
21. 8M-5173 [1] STOP  
22. 1S-1644 [1] PISTON  
23. 4H-4737 [1] PIN  
24. 2S-4872 [1] STOP  
25. 1S-1642 [1] SPRING  
26. 1P-9271 [1] SPOOL  
27. 2S-0656 [1] PLUG  
28. 1P-3178 [1] PLATE  
  7B-3028 [1] SCREW  
29. 5M-6214 [5] PLUG  
30. 8M-4435 [1] SEAL  
31. 2M-7059 [1] PLUG  
32. 3S-2652 [1] SPOOL ASSEM. (Mod. Reduce)  
33. 1S-1638 [1] RING  
  1S-1636 [1] RETAINER  
34. 4M-2381 [1] SPRING  
35. 1S-2121 [1] PLUNGER  
36. 1P-8655 [1] STOP  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220149
 

9M-4351: SELECTOR VALVE GROUP

9M4351 SELECTOR VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 91
c110188 UE035422
9M4351 SELECTOR VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] SPOOL (SELECTOR)  
  [1] LINK  
  [1] NUT  
  [1] BODY  
  [1] NUT  
  [1] LINK  
  [1] SPOOL (DIRECTIONAL)  
 

Information:

Special Instruction
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Tool Operating Manual
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
Reuse And Salvage Guidelines
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with F37 and F37X Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with F37 and F37X Friction Material {3030, 3155, 3190}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}
Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}
Transmission Reuse and Salvage Manual Contents {0374, 3030}
Transmission Reuse and Salvage Manual Contents {0374, 3030}
Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}
Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}
Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}
Reuse and Salvage of Transmission Components {3030}
Reuse and Salvage of Transmission Components {3030}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Contamination Control Guidelines
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
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}
Bench Test Procedures
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Service Magazine
Pin Added To Oil Manifold Assembly In Power Shift Transmission{3150}
1977/03/07
Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25
Stronger Screened Modulation Orifices Used In Transmission Hydraulic Controls{3152}
1989/06/26
Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20
Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Caterpillar Parts SIS Catalog 988 :

RANGE TRANSMISSION ARRANGEMENT
1S-9996 RANGE TRANSMISSION ARRANGEMENT
RELIEF VALVE GROUP
2S-0624 RELIEF VALVE GROUP
RELIEF VALVE GROUP
2S-1390 RELIEF VALVE GROUP
HYDRAULIC TORQUE CONVERTER ASSEMBLY
1T-0520 HYDRAULIC TORQUE CONVERTER ASSEMBLY
TORQUE CONVERTER
TORQUE CONVERTER
STOP AND TAIL LAMP ASSEMBLY
3D-7674 STOP AND TAIL LAMP ASSEMBLY
DASH LAMP ASSEMBLY
2M-6646 DASH LAMP ASSEMBLY
HEAD LAMP ASSEMBLY
2M-4166 HEAD LAMP ASSEMBLY
PLANETARY TRANSMISSION
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
PRESSURE CONTROL GROUP
8M-6377 PRESSURE CONTROL GROUP
PRESSURE CONTROL GROUP
2S-0454 PRESSURE CONTROL GROUP
PRESSURE CONTROL GROUP
1P-2619 PRESSURE CONTROL GROUP

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