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TRANSMISSION HYDRAULIC CONTROL--Top View Part 1 of 2 Part of 8M7354 Range Transmission Arrangement shown on Page 101 8M8536 Cylinder, 3S6890 and 8M8249 Valve parts are shown on Pages 106, 107 and 108 657B


POWER TRAIN
CONTROL GP-TRANSMISSION HYD
CYLINDER GP
VALVE GP
VALVE GP-SELECTOR
VALVE GP-PRESSURE CONTROL

WHEEL SCRAPER 657B WHEEL SCRAPER 47M
 657 SCRAPERS 47M00001-00111 (MACHINE) UEG0022S 657B 47M   (1968)

POWER TRAIN

CONTROL GP-TRANSMISSION HYD
TORQUE DIVIDER HYDRAULIC CONTROL
TORQUE DIVIDER HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
 

#UEG0022S0210
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--Top View Part 1 of 2
Part of 8M7354 Range Transmission Arrangement shown on Page 101
8M8536 Cylinder, 3S6890 and 8M8249 Valve parts are shown on Pages 106, 107 and 108
c103936 UEG0022S
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1S-8489 [1] ELBOW  
  2S-5717 [1] NUT  
  8S-3331 [1] ROD  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  2B-0947 [1] BOLT  
  0V-0531 [1] WASHER  
  0L-2070 [1] BOLT  
  5M-2894 [1] WASHER  
  2L-8074 [1] TERMINAL  
    (BROWN WIRE)
  8M-2203 [1] INSULATOR  
  8M-8578 [1] DISCONNECT  
    (BLACK WIRE)
  2L-8074 [1] TERMINAL  
    (ORANGE WIRE)
    (PARTS OF HARNESS 9M8220)
  9M-8220 [1] HARNESS  
  3D-2975 [1] RING  
  8M-8157 [2] SEAL  
  0S-1594 [3] BOLT  
  0L-0364 [3] LOCK  
  2D-6005 [3] WASHER  
  0L-1143 [1] BOLT  
  5M-2894 [1] WASHER  
  9M-6194 [1] SPRING  
  8M-8527 [1] GASKET  
  7M-5919 [1] CAM  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  7M-5915 [1] PIN  
  8M-4445 [3] SEAL  
  2S-1357 [1] SLEEVE  
  8M-4389 [2] SEAL  
  2S-1389 [1] SLEEVE  
  8M-4437 [2] SEAL  
  0S-1594 [2] BOLT  
  5M-2894 [2] WASHER  
  2S-0484 [2] SLEEVE  
  8M-4389 [4] SEAL  
  2S-1356 [2] SLEEVE  
  8M-4389 [4] SEAL  
  3S-6890 Y [2] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  8M-5250 [4] SEAL  
  0T-0573 [1] BOLT  
  5M-2894 [1] WASHER  
  8M-5025 [2] VALVE  
    THE FOLLOWING KIT IS AVAILABLE FOR REPAIR OF 8M5025 VALVE:
  5S-3674 [1] KIT  
    (INCLUDES SUCH PARTS AS WRENCH, SLEEVE, SPRING, SEAL AND PLUNGER)
  0S-1617 [8] BOLT  
  9M-1974 [8] WASHER  
  5F-4899 [1] BOLT  
  5M-2894 [1] WASHER  
  8M-8536 [1] CYLINDER GROUP  
  8M-8249 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  9H-6672 [2] LINK  
  0S-1594 [3] BOLT  
  2D-6005 [3] WASHER  
  0L-0364 [3] LOCK  
  9H-0223 [2] SEAL  
  9M-2019 [1] SHAFT  
  7M-1285 [1] STOP  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  9H-6673 [2] PIN  
  3B-4615 [2] COTTER PIN  
  Y   SEPARATE ILLUSTRATION
 

#UEG0022S0211
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--End View-Part 2 of 2
Part of 8M7354 Range Transmission Arrangement shown on Page 101
8S3333, 8S3330 Valves, 9M1999 & 9M6270 Switch parts are shown on Pages 106, 107, 109 & 110
c103937 UEG0022S
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1S-3193 [1] ELBOW  
  0L-1352 [1] BOLT  
  5M-2894 [2] WASHER  
  0S-1571 [1] BOLT  
  5M-2894 [1] WASHER  
  1B-4203 [1] NUT  
  5M-2894 [1] WASHER  
  1M-3863 [1] DETENT ASSEM.  
  7M-5916 [1] LEVER  
  7M-5915 [1] PIN  
  1M-3850 [1] SPACER  
  0L-1329 [1] BOLT  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  0V-0531 [1] WASHER  
  9M-1999 Y [1] SWITCH GROUP  
    (SEE SEPARATE ILLUSTRATION)
  5M-6214 [1] PLUG  
  9M-2022 [1] DOWEL  
    (PART OF DETENT ASSEM. 1M3863)
  9H-6673 [2] PIN  
  3B-4615 [2] COTTER PIN  
  9H-6672 [2] LINK  
  1S-3194 [1] MANIFOLD  
  8S-3330 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0S-1594 [2] BOLT  
  5M-2894 [2] WASHER  
  8M-4438 [3] SEAL  
  8M-8169 [1] SEAT  
  4B-9782 [1] BALL  
  5M-6192 [1] SEAT  
    (PARTS OF MANIFOLD ASSEM. 4M5984)
  9H-6673 [2] PIN  
  3B-4615 [2] COTTER PIN  
  1A-2029 [2] BOLT  
  5M-2894 [2] WASHER  
  9H-6672 [2] LINK  
  0T-0573 [2] BOLT  
  5M-2894 [2] WASHER  
  2H-7829 [1] CLIP  
  8M-1043 [7] SEAL ASSEM.  
  8M-4446 [5] SEAL  
  2B-0858 [1] PLUG  
    (PART OF MANIFOLD ASSEM. 4M5984)
  4M-5984 [1] MANIFOLD ASSEM.  
  0S-1590 [3] BOLT  
  5M-2894 [3] WASHER  
  8M-4438 [10] SEAL  
  1S-9745 [1] LEVER  
  7M-5915 [1] PIN  
  1B-4203 [1] NUT  
  5M-2894 [2] WASHER  
  9M-8238 [1] HARNESS ASSEM.  
  0T-0573 [1] BOLT  
  5B-2383 [2] NUT  
  8M-8527 [1] GASKET  
  9M-6270 Y [1] SWITCH GROUP  
    (SEE SEPARATE ILLUSTRATION)
  0S-1590 [2] BOLT  
  5M-2894 [2] LOCK  
  4B-9783 [1] PLUG  
  8S-3333 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  Y   SEPARATE ILLUSTRATION
 

#UEG0022S0212
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--Top View-Part 1 of 2
Part of 9S2833 Range Transmission Arrangement shown on Page 100B
3S6890 & 8S698 Valve parts are shown on Pages 107 & 108A
c107940 UEG0022S
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1143 [1] BOLT  
2. 5M-2894 [13] WASHER  
3. 0L-2070 [1] BOLT  
4. 8S-3331 [1] ROD  
5. 5F-4899 [1] BOLT  
6. 1S-8489 [1] ELBOW  
7. 2S-5717 [1] NUT  
8. 0S-1594 [2] BOLT  
9. 2S-0484 [2] SLEEVE  
10. 8M-4389 [10] SEAL  
11. 3S-6890 Y [1] VALVE GROUP (Selector)  
    (See Separate Illustration)
12. 8S-0698 Y [1] VALVE GROUP (Pressure Control)  
    (See Separate Illustration)
13. 8M-8157 [2] SEAL  
14. 0T-0573 [1] BOLT  
15. 8S-0669 [1] SLEEVE  
16. 6F-0249 [1] SEAL  
17. 7M-1285 [1] STOP  
18. 7M-5915 [2] PIN  
19. 1B-4203 [2] NUT  
20. 9H-6673 [4] PIN  
  3B-4615 [4] COTTER PIN  
21. 9H-6672 [4] LINK  
22. 8M-4445 [3] SEAL  
23. 0L-1352 [2] BOLT  
24. 2S-1392 [2] SLEEVE  
25. 1S-3193 [1] ELBOW  
26. 2S-1357 [1] SLEEVE  
27. 8M-4437 [2] SEAL  
28. 2S-1457 [1] SLEEVE  
29. 0S-1571 [1] BOLT  
30. 1A-2029 [2] BOLT  
31. 7M-5919 [1] CAM  
32. 4M-1768 [1] SPRING  
  Y   SEPARATE ILLUSTRATION
 

#UEG0022S0213
 

TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL--End View-Part 2 of 2
Part of 9S2833 Range Transmission Arrangement shown on Page 100B
8S683 Cylinder, 8S3333, 8S3330 Valve & 8S647 Switch parts are shown on Pages 100A, 106, 107 & 108B
c107941 UEG0022S
None TRANSMISSION HYDRAULIC CONTROL Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-0647 Y [1] SWITCH GROUP  
    (See Separate Illustration)
2. 1B-8712 [1] KEY  
3. 8S-0633 [1] GASKET  
4. 9S-5222 [1] SPACER  
5. 1M-3863 [1] DETENT ASSEM.  
6. 9M-2022 [1] DOWEL  
    (Part of 1M3863 Assem.)
7. 9S-1366 [1] BOLT  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  0V-0531 [1] WASHER  
8. 7M-5916 [1] LEVER  
9. 7M-5915 [2] PIN  
10. 1B-4203 [2] NUT  
11. 5M-2894 [10] WASHER  
12. 5M-6214 [1] PLUG  
13. 7M-5917 [1] LEVER  
14. 0T-0573 [4] BOLT  
15. 9H-0223 [2] SEAL  
16. 4B-4283 [1] WASHER  
17. 0S-1571 [1] BOLT  
18. 1D-4717 [1] NUT  
19. 3B-4506 [6] LOCKWASHER  
20. 3B-1915 [1] BOLT  
21. 8S-0683 Y [1] CONTROL GROUP  
    (See Separate Illustration)
22. 4H-1477 [2] PIN  
23. 3B-4615 [4] COTTER PIN  
24. 9H-6672 [2] LINK  
25. 1B-8706 [1] KEY  
26. 8S-3348 [1] LEVER  
27. 8S-9191 [1] BOLT  
28. 8S-0697 [1] SHAFT  
29. 0S-1590 [5] BOLT  
30. 4B-9783 [1] PLUG  
31. 8S-3333 Y [1] VALVE GROUP (Override Selector)  
    (See Separate Illustration)
32. 8M-4438 [13] SEAL  
33. 4M-5984 [1] MANIFOLD ASSEM.  
34. 2B-0858 [1] PLUG  
35. 5M-6192 [1] SEAT  
36. 4B-9782 [1] BALL  
37. 8M-8169 [1] SEAT  
    (Parts of 4M5984 Assem.)
38. 8M-4446 [5] SEAL  
39. 1S-3194 [1] MANIFOLD  
40. 0S-1594 [2] BOLT  
41. 8S-3330 Y [1] VALVE GROUP  
    (See Separate Illustration)
42. 9H-6673 [2] PIN  
43. 8M-1043 [7] SEAL ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UEG0022S0214
 

8M-8536: HYDRAULIC SHIFT CYLINDER GROUP

8M8536 HYDRAULIC SHIFT CYLINDER GROUP
Part of Transmission Hydraulic Control shown on Page 104
c103943 UEG0022S
8M8536 HYDRAULIC SHIFT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-5768 [2] COVER  
  5M-4987 [2] DOWEL  
    (PART OF BODY ASSEM. 8M8537)
  8H-0350 [2] RING  
  8M-8564 [1] RETAINER  
  8M-8537 [1] BODY ASSEM.  
  8M-5162 [1] ROD  
  7M-5770 [1] RETAINER  
  6B-4733 [4] DOWEL  
    (PART OF BODY ASSEM. 8M8537)
  0S-1617 [4] BOLT  
 

#UEG0022S0215
 

8S-3333: OVERRIDE SELECTOR VALVE GROUP

8S3333 OVERRIDE SELECTOR VALVE GROUP
Part of Transmission Hydraulic Control shown on Pages 104A & 105
c104212 UEG0022S
8S3333 OVERRIDE SELECTOR VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4M-5919 [1] PLUG  
2. C [1] BODY  
3. 4M-5978 [1] SPOOL  
4. 3S-6925 [1] SPRING  
5. 5M-6173 [1] PLUG  
6. 4S-8746 LOCKWIRE 1 Foot  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0022S0216
 

8S-3330: SAFETY RESET AND CONVERTER HOLD VALVE GROUP

8S3330 SAFETY RESET AND CONVERTER HOLD VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 105
c103916 UEG0022S
8S3330 SAFETY RESET AND CONVERTER HOLD VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-3329 [1] SPOOL  
2. 8M-6395 [1] BODY ASSEM.  
3. 2M-1660 [1] BODY  
4. 2S-5717 [1] NUT  
 

#UEG0022S0217
 

3S-6890: SELECTOR VALVE GROUP

3S6890 SELECTOR VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 104
c111086 UEG0022S
3S6890 SELECTOR VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8M-7327 [1] SPOOL  
  3S-6889 [1] PLATE (NAME)  
  7B-3028 [1] SCREW  
  [1] BODY  
  2S-5717 [1] NUT  
  2M-1660 [1] BOLT  
  3S-4313 [1] SPOOL  
 

#UEG0022S0218
 

8M-8249: PRESSURE CONTROL VALVE GROUP

8M8249 PRESSURE CONTROL VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 104
c103439 UEG0022S
8M8249 PRESSURE CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5M-6214 [6] PLUG  
  2M-1168 [1] SLUG  
  4M-5920 [1] SPOOL  
  5M-9555 [1] SPOOL  
  5M-2504 [1] SLUG  
  0S-1594 [2] BOLT  
  8M-8622 [1] COVER  
  8M-8157 [2] SEAL  
  7M-5865 [1] SPRING  
  8M-8560 [1] SPOOL ASSEM.  
  8M-8157 [1] SEAL  
  4M-5915 [1] SPRING (RED STRIPE)  
  0S-1571 [6] BOLT  
  5M-2894 [6] WASHER  
  8M-8539 [1] COVER ASSEM.  
  8M-8515 [1] SEAL  
  8M-1109 [1] PISTON  
  8M-2482 [1] PLUG  
  8M-1078 [1] CHECK  
  8M-2483 [1] SPRING  
  4M-1750 [2] SPACER(.036"THICK)  
  4M-1751 [3] SPACER(.016"THICK)  
  8M-1111 [1] SPRING (YELLOW STRIPE)  
  4M-5915 [1] SPRING (RED STRIPE)  
  4M-5918 [1] PLUG  
  2B-0858 [1] PLUG  
  4M-5893 [1] SPRING (OUTER)  
  4M-5912 [1] SPRING (INNER)  
  4M-5913 [1] PISTON  
  4M-1750 [1] SPACER (.036"THICK)  
  4M-1751 [1] SPACER (.016"THICK)  
  5M-2504 [1] SLUG  
  8M-8565 [1] SPOOL  
  5M-9548 [1] SPRING  
  8M-4409 [1] RETAINER  
  8M-2538 [1] POPPET  
  7M-8592 [1] RING  
    (PARTS OF 8M8560 SPOOL ASSEM.)
  5M-2504 [1] SLUG  
  5M-9062 [4 FEET] WIRE  
  8M-1110 [1] SPOOL  
  4M-5919 [5] PLUG  
  2S-3650 [1] BODY ASSEM.  
 

#UEG0022S0219
 

8S-0698: PRESSURE CONTROL VALVE GROUP

8S698 PRESSURE CONTROL VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 104B
c115962 UEG0022S
8S0698 PRESSURE CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5M-6214 [6] PLUG  
  2M-1168 [1] SLUG  
  4M-5920 [1] SPOOL  
  5M-9555 [1] SPOOL  
  5M-2504 [1] SLUG  
  0S-1594 [2] BOLT  
  8M-8157 [1] SEAL  
  8M-8622 [1] COVER  
  8M-4437 [1] SEAL  
  7M-5865 [1] SPRING  
  9S-8841 [1] SPOOL ASSEM.  
  8M-8157 [1] SEAL  
  4M-5915 [1] SPRING (RED STRIPE)  
  0S-1571 [6] BOLT  
  5M-2894 [6] WASHER  
  8S-0699 [1] COVER ASSEM.  
  8M-8515 [1] SEAL  
  8M-1109 [1] PISTON  
  8M-2482 [1] PLUG  
  8M-1078 [1] CHECK  
  8M-2483 [1] SPRING  
  5S-7001 C [2] SPACER (.036" THICK)  
  4M-1751 [3] SPACER (.016" THICK)  
  8M-1111 [1] SPRING (YELLOW STRIPE)  
  4M-5915 [1] SPRING (RED STRIPE)  
  4M-5918 [1] PLUG  
  2B-0858 [1] PLUG  
  4M-5893 [1] SPRING (OUTER)  
  4M-5912 [1] SPRING (INNER)  
  4M-5913 [1] PISTON  
  5S-7001 C [1] SPACER (.036" THICK)  
  4M-1751 [1] SPACER (.016" THICK)  
  5M-2504 [1] SLUG  
  8M-8565 [1] SPOOL  
  5M-9548 [1] SPRING  
  8M-4409 [1] RETAINER  
  8M-2538 [1] POPPET  
  7M-8592 [1] RING  
    (PARTS OF 9S8841 ASSEM.)
  5M-2504 [1] SLUG  
  4S-8746 WIRE 2 FEET  
  8M-1110 [1] SPOOL  
  4M-5919 [5] PLUG  
  [1] BODY ASSEM.  
  C   INDICATES CHANGE
 

Information:

Specifications
Hydraulic Controls Transmission Semiautomatic
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN
Transmission Hydraulic Control Group<BR> (9S2835)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN
Transmission Hydraulic Controls
657B TRACTOR-SCRAPER POWER TRAIN
Transmission Hydraulic Controls
657B TRACTOR-SCRAPER POWER TRAIN
Disassembly and Assembly
Transmission Hydraulic Control Valves
657B & 666B SCRAPER EIGHT SPEED TRANSMISSION AND TRANSFER GE
Service Magazine
New Design Drain Tube For Transmission Solenoid Valve{3163,3167}
1982/02/15
Correction To Service Manual Information For Adjustment Of Shift Points On Eight-Speed Semi-Automatic Transmissions{3167,0374}
1977/02/28
Improved ICM Transmission Gear Position Sensor Available {3168}
1998/06/22

Caterpillar Parts SIS Catalog 657B :

PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
PLANETARY TRANSMISSION
RANGE TRANSMISSION ARRANGEMENT
8M-7354 RANGE TRANSMISSION ARRANGEMENT
RANGE TRANSMISSION ARRANGEMENT
9S-2833 RANGE TRANSMISSION ARRANGEMENT
CYLINDER GP-SHIFT
8S-0683 CYLINDER GP-SHIFT
DRIVE SHAFT
DRIVE SHAFT
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
HYDRAULIC SHIFT CYLINDER GROUP
8M-8536 HYDRAULIC SHIFT CYLINDER GROUP
OVERRIDE SELECTOR VALVE GROUP
8S-3333 OVERRIDE SELECTOR VALVE GROUP
SAFETY RESET AND CONVERTER HOLD VALVE GROUP
8S-3330 SAFETY RESET AND CONVERTER HOLD VALVE GROUP
SELECTOR VALVE GROUP
3S-6890 SELECTOR VALVE GROUP
PRESSURE CONTROL VALVE GROUP
8M-8249 PRESSURE CONTROL VALVE GROUP

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