256-6121 BELT TENSIONER GP S/N TXH1-UP; RHX3779-UP PART OF 221-8586 DRIVE GP-ACCESSORY 657E WHEEL TRACTOR



BASIC ENGINE
BELT TIGHTENER GP
CAMSHAFT GP
CYLINDER BLOCK GP

WHEEL TRACTOR 657E WHEEL TRACTOR 90Z
 657E Tractor PS PP 90Z00001-UP (MACHINE) POWERED BY 3412C Engine SEBP1392 657E 90Z   (1982)

BASIC ENGINE

BELT TIGHTENER GP
BELT TENSIONER GP
256-6121 BELT TENSIONER GP
BELT TENSIONER GP
256-6121 BELT TENSIONER GP
BELT TENSIONER GP
8N-3310 BELT TENSIONER GP
BELT TENSIONER GP
9N-6669 BELT TENSIONER GP
PULLEY GP-IDLER
103-0880 PULLEY GP-IDLER
 

#SEBP13920030
 

256-6121: BELT TENSIONER GP

256-6121 BELT TENSIONER GP
S/N TXH1-UP; RHX3779-UP
PART OF 221-8586 DRIVE GP-ACCESSORY
i03996057 SEBP1392
2566121 BELT TENSIONER GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 255-5102 [1] PULLEY (14/8-GROOVE)  
2. 279-2589 [1] PULLEY AS-IDLER (8-GROOVE)  
3. 300-0056 [1] PLATE AS  
4. 329-8797 [1] BELT TENSIONER (AIR COMPRESSOR)  
5. 341-4938 [1] BELT-SERPENTINE  
6. 333-1207 [1] IDLER AS  
7. 7X-0347 [4] BOLT (5/8-11X2.25-IN)  
8. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4122 [4] WASHER-HARD (17X32X3.5-MM THK)  
10. 8T-4172 M [1] BOLT (M10X1.5X80-MM)  
11. 243-2310 [2] COVER  
  M   METRIC PART
 

#SEBP13920031
 

8N-3310: BELT TENSIONER GP

8N-3310 BELT TENSIONER GP
S/N 90Z1-139; 91Z1-228
PART OF 8N-0960 INSTALLATION AR-ENGINE
i00156278 SEBP1392
8N3310 BELT TENSIONER GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 8N-3328 [1] ARM AS-TIGHTENER  
  4S-5367 [1] BUSHING AS (MOUNT)  
  4N-0955 [1] DOWEL  
2. 8N-3301 [1] SHAFT-TIGHTENER  
3. 2M-2742 [1] PLATE-RETAINER  
4. 0L-1351 [1] BOLT (3/8-16X0.875-IN)  
5. 5M-2894 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
6. 8N-3304 [1] PULLEY-TIGHTENER  
7. 5M-9735 [1] SEAL-LIP TYPE  
8. 6B-1124 [2] BALL BEARING  
9. 8N-3300 [1] SPACER  
10. 8B-2327 [1] RING-RETAINING  
11. 2S-6160 [1] WASHER-HARD (10.2X32X5-MM THK)  
12. 0S-0509 [1] BOLT (3/8-16X0.75-IN)  
13. 2S-6150 [1] COVER-PULLEY  
14. 2S-6151 [1] GASKET  
15. 0S-1618 [4] BOLT (5/16-18X1-IN)  
16. 2S-6689 [1] RETAINER-SPRING  
17. 1D-4719 [1] NUT-FULL (1/2-13-THD)  
18. 2M-0849 [1] WASHER-HARD (13.5X25.5X5-MM THK)  
19. 7N-5959 [1] SPRING  
20. 0S-0175 [2] PIN-CLEVIS  
21. 3B-4617 [2] PIN-COTTER  
22. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
 

#SEBP13920032
 

9N-6669: BELT TENSIONER GP

9N-6669 BELT TENSIONER GP
S/N 90Z140-UP; 91Z229-UP
PART OF 8N-0960 INSTALLATION AR-ENGINE
i00093493 SEBP1392
9N6669 BELT TENSIONER GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 9N-6670 [1] ARM AS  
2. 4S-5367 [1] BUSHING AS (MOUNT)  
3. 4N-0955 [1] DOWEL  
4. 8N-4550 [1] SHAFT-PULLEY  
5. 8T-4896 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
6. 6N-3641 [1] PULLEY-TIGHTENER  
7. 5M-9735 [1] SEAL-LIP TYPE  
8. 6B-1124 [2] BALL BEARING  
9. 1S-8687 [1] SPACER (25.5X33.4X31.75-MM THK)  
10. 8B-2327 [1] RING-RETAINING  
11. 2S-6160 [1] WASHER-HARD (10.2X32X5-MM THK)  
12. 5M-3062 [1] BOLT (3/8-16X0.75-IN)  
13. 2S-6150 [1] COVER-PULLEY  
14. 2S-6151 [1] GASKET  
15. 4M-6425 [4] BOLT (5/16-18X1-IN)  
16. 7W-1399 [1] RETAINER-SPRING  
17. 6V-8188 [1] NUT (1/2-13-THD)  
18. 8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 7N-5959 [1] SPRING  
20. 0S-0175 [2] PIN-CLEVIS  
21. 3B-4617 [2] PIN-COTTER  
22. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
23. 2M-2742 [1] PLATE-RETAINER  
24. 5S-7379 [1] BOLT (3/8-16X0.875-IN)  
 

#SEBP13920033
 

243-0551: CAMSHAFT GP

243-0551 CAMSHAFT GP
S/N TXH1-UP; RHX1-UP
PART OF 241-5935, 357-6503 ENGINE AR-CORE
i01996443 SEBP1392
2430551 CAMSHAFT GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 6V-1197 [1] SEAL-O-RING  
2. 102-9089 [1] COVER  
3. 119-0036 [3] SCREW-FLAT HEAD (5/16-18X0.875-IN)  
4. 332-7297 [1] CAMSHAFT  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP13920034
 

4N-0965: CAMSHAFT GP

4N-0965 CAMSHAFT GP
S/N 73W3857-5271
PART OF 8N-0970 ENGINE AR
i00108659 SEBP1392
4N0965 CAMSHAFT GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0342 [1] PLATE  
2. 0S-0509 [2] BOLT (3/8-16X0.75-IN)  
3. 4N-9053 Y [1] CAMSHAFT GP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP13920035
 

4N-0965: CAMSHAFT GP

4N-0965 CAMSHAFT GP
S/N 73W5272-UP
PART OF 8N-0970 ENGINE AR
i00108660 SEBP1392
4N0965 CAMSHAFT GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0342 [1] PLATE  
2. 0S-0509 [2] BOLT (3/8-16X0.75-IN)  
3. 2W-5289 [1] CAMSHAFT AS  
4. 101-3374 [1] GEAR (86-TEETH)  
5. 1B-8705 [1] KEY-WOODRUFF  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP13920036
 

4N-9053: CAMSHAFT GP

4N-9053 CAMSHAFT GP
S/N 73W3857-UP
PART OF 4N-0965 CAMSHAFT GP
i00108693 SEBP1392
4N9053 CAMSHAFT GP Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 7N-8345 C [1] GEAR-CAMSHAFT (86 TEETH)  
2. 1B-8705 [1] KEY-WOODRUFF  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13920037
 

107-6736: COVER GP-CYLINDER BLOCK

107-6736 COVER GP-CYLINDER BLOCK
S/N TXH1-UP; RHX1-UP
PART OF 283-3530 ENGINE AR-COMPLETE
FOR USE WITH MID MOUNTED TURBO AND/OR RH OIL FILL
i00472957 SEBP1392
1076736 COVER GP-CYLINDER BLOCK Parts scheme
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Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 0S-1594 [2] BOLT (3/8-16X1-IN)  
2. 5M-2894 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 4W-9890 [1] COVER  
4. 4N-0699 [1] GASKET  
 

#SEBP13920038
 

107-6737: COVER GP-CYLINDER BLOCK

107-6737 COVER GP-CYLINDER BLOCK
S/N TXH1-UP; RHX1-UP
PART OF 283-3530 ENGINE AR-COMPLETE
i00472959 SEBP1392
1076737 COVER GP-CYLINDER BLOCK Parts scheme
  For full view, you need register

Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 0S-1594 [2] BOLT (3/8-16X1-IN)  
2. 5M-2894 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 4W-9890 [1] COVER  
4. 4N-0699 [1] GASKET  
 

#SEBP13920039
 

4N-6866: COVER GP-CYLINDER BLOCK

4N-6866 COVER GP-CYLINDER BLOCK
S/N 73W3857-7065
PART OF 8N-0970 ENGINE AR
i00107931 SEBP1392
4N6866 COVER GP-CYLINDER BLOCK Parts scheme
  For full view, you need register

Parts for your 657E WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-1683 [1] COVER  
2. 239-5571 [1] SEAL-INTEGRAL  
3. 0S-1594 [12] BOLT (3/8-16X1-IN)  
4. 5M-2894 [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
5. 2P-2772 [1] COVER  
6. 234-8937 [1] SEAL-INTEGRAL  
7. 4N-0794 [1] COVER  
8. 239-5572 [1] SEAL-INTEGRAL  
9. 4N-1682 [1] COVER  
10. 4N-0864 [1] GASKET  
 

Information:

Caterpillar Parts SIS Catalog 657E :

BELT TENSIONER GP
256-6121 BELT TENSIONER GP
BASE GP-VALVE COVER & INJ HARN
278-5662 BASE GP-VALVE COVER & INJ HARN
BASE GP-VALVE COVER & INJ HARN
278-5662 BASE GP-VALVE COVER & INJ HARN
BASE GP-VALVE COVER & INJ HARN
234-5005 BASE GP-VALVE COVER & INJ HARN
AIR COMPRESSOR GP
8N-0955 AIR COMPRESSOR GP
AIR COMPRESSOR GP
4N-7378 AIR COMPRESSOR GP
AIR COMPRESSOR GP
354-7528 AIR COMPRESSOR GP
AIR COMPRESSOR GP
240-9033 AIR COMPRESSOR GP
BELT TENSIONER GP
8N-3310 BELT TENSIONER GP
BELT TENSIONER GP
9N-6669 BELT TENSIONER GP
CAMSHAFT GP
243-0551 CAMSHAFT GP
CAMSHAFT GP
4N-0965 CAMSHAFT GP
CAMSHAFT GP
4N-0965 CAMSHAFT GP
CAMSHAFT GP
4N-9053 CAMSHAFT GP
COVER GP-CYLINDER BLOCK
107-6736 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
107-6737 COVER GP-CYLINDER BLOCK

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