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366-2652 STARTING AID GP-ETHER S/N F7B1-UP PART OF 362-3899 CHASSIS AR 521B TRACK FELLER BUNCHER




ELECTRICAL AND STARTING SYSTEM

STARTING AID GP
 

#SEBP51220210
 

366-2652: STARTING AID GP-ETHER

366-2652 STARTING AID GP-ETHER
S/N F7B1-UP
PART OF 362-3899 CHASSIS AR
i04464032 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-6635 [1] PLUG  
2. 239-1134 Y [1] VALVE GP-ETHER STARTING (24-VOLT)  
3. 276-5436 [1] FITTING AS  
  236-4545 [1] NUT-SLEEVE (5/16-24-THD)  
4. 251-4345 [1] ATOMIZER GP-ETHER  
  236-4545 [1] NUT-SLEEVE (5/16-24-THD)  
5. 276-6597 [1] MOUNTING GP-ETHER CANISTER  
  236-8013 [1] BRACKET  
  276-6596 [1] CLAMP  
6. 5C-7261 M [2] NUT (M8X1.25-THD)  
7. 6V-2686 [1] CLIP  
8. 8L-2786 [1] SEAL-O-RING  
9. 5P-5630 D TUBE (0.5-M)  
10. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
11. 8T-4189 M [2] BOLT (M8X1.25X20-MM)  
   
  275-3634 A [1] CYLINDER AS-ETHER (U.S.)  
    (MUST BE PROCURED LOCALLY FROM YOUR CAT DEALER)
  A   NOT PART OF THIS GROUP
  D   ORDER BY THE METER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220211
 

380-0632: STARTING AR-COLD WEATHER

380-0632 STARTING AR-COLD WEATHER
S/N F7B1-UP
PART OF 547-9660 DISTRIBUTION AR
AN ATTACHMENT
i07077398 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  394-4490 Y [1] BATTERY & WIRING GP  
  380-0633 Y [1] PREHEATER GP-MACHINE  
    S/N F7B1-392
  513-4705 Y [1] PREHEATER GP-MACHINE  
    S/N F7B393-UP
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220212
 

338-3454: STARTING MOTOR GP-ELECTRIC

338-3454 STARTING MOTOR GP-ELECTRIC
S/N F7B1-UP
24-VOLT
FIELD REPLACEMENT FOR @@@@@338-3457@@@@@
i03784531 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-0326 [1] CONNECTOR  
2. 9H-3757 [2] WASHER (0.516X1X0.094-IN THK)  
3. 1S-7446 [3] SCREW-MACHINE (8-32X0.437-IN)  
4. 8C-9660 [3] WASHER (4.6X7.9X0.8-MM THK)  
5. 9S-2544 [9] SCREW-HEX HEAD (8-32X11.13-MM)  
6. 7M-0327 [1] WASHER-THRUST (17.4X25.4X1.6-MM THK)  
7. 3T-3418 [1] FRAME AS-END  
  3T-3423 [1] CUP  
  3T-3424 [1] PLUG-FELT  
  9G-4101 [1] BUSHING-END  
8. 3T-9525 Y [1] PLATE AS-BRUSH (STARTING MOTOR)  
9. 1T-0808 [2] WASHER (0.516X0.812X0.09-IN THK)  
10. 3T-3422 [1] WIRE AS  
11. 2J-8163 [2] SEAL-O-RING  
12. 7X-3373 [1] BOLT (5/16-18X0.88-IN)  
13. 125-6535 [1] COVER-STARTING MOTOR  
14. 5J-5314 [5] BOLT (5/16-18X1.5-IN)  
15. 3L-3380 [1] BUSHING-TERMINAL  
16. 8C-3089 [1] SEAL-O-RING  
17. 4M-1853 [1] LEVER AS-SHIFT  
18. 5M-3034 [1] LOCKNUT (5/16-24-THD)  
19. 7L-2894 [4] GASKET  
20. 4M-1831 [4] PLUG-LEVER HOUSING  
21. 4M-1854 [1] SHAFT-LEVER  
22. 1H-1023 [1] SEAL-O-RING  
23. 2D-6392 [1] SEAL-O-RING  
24. 494-6475 [1] HOUSING AS-DRIVE  
25. 6N-3826 [1] DRIVE AS-MOTOR  
26. 2H-3429 [1] RING-RETAINING  
27. 6V-1322 [4] BOLT (1/4-20X0.375-IN)  
28. 8T-4205 [4] WASHER-HARD (7.2X14.5X2-MM THK)  
29. 6N-3279 [1] INSULATOR  
30. 0S-1597 [13] BOLT (1/4-28X1-IN)  
31. 1M-9971 [1] SPACER (0.835X1.72X0.188-IN THK)  
32. 1H-2629 [3] STRIP-INSULATION  
33. 7M-0324 [1] COIL AS-FIELD  
34. 3R-8797 [12] SCREW & WASHER AS (3/8-24X0.72-IN)  
35. 7F-3488 [6] SHOE-POLE  
36. 7M-8651 [1] ARMATURE AS  
37. 7M-0325 [1] INSULATOR  
38. 3T-9524 [6] BRUSH AS  
39. 3N-3763 [1] KIT-TERMINAL (STARTING MOTOR)  
    (INCLUDES BUSHINGS & WASHERS)
40. 338-3453 [1] SOLENOID AS-STARTING MOTOR (24-VOLT)  
40A. 3R-8801 [1] CLAMP  
42. 8F-1434 [2] LOCKWASHER  
43. 6V-8188 [6] NUT (1/2-13-THD)  
44. 7X-0562 [6] WASHER-HARD (13.5X19X0.8-MM THK)  
45. 4B-2049 [6] NUT (10-32-THD)  
46. 8T-0328 [10] WASHER-HARD (5.5X10X1-MM THK)  
47. 3T-9494 [6] SPRING  
48. 3E-7771 [1] HOUSING AS (STARTING MOTOR)  
49. 9G-4101 [1] BUSHING-END  
50. 3T-3424 [3] PLUG-FELT  
51. 3T-3423 [3] CUP  
52. 1M-9968 [1] BUSHING  
53. 2F-6678 [1] SEAL-LIP TYPE  
54. 4L-2729 [1] WASHER (0.844X1.9X0.188-IN THK)  
55. 4M-1896 [1] BUSHING-TERMINAL  
56. 045-4065 [4] SCREW-MACHINE (10-32X0.75-IN)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220213
 

338-3457: STARTING MOTOR GP-ELECTRIC

338-3457 STARTING MOTOR GP-ELECTRIC
S/N F7B1-UP
24-VOLT
PART OF 339-8301 WIRING GP-ENGINE
FIELD REPLACEMENT ORDER @@@@@338-3454@@@@@
i04022496 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-0326 [1] CONNECTOR  
2. 9H-3757 [2] WASHER (0.516X1X0.094-IN THK)  
3. 1S-7446 [3] SCREW-MACHINE (8-32X0.437-IN)  
4. 8C-9660 [3] WASHER (4.6X7.9X0.8-MM THK)  
5. 9S-2544 [9] SCREW-HEX HEAD (8-32X11.13-MM)  
6. 7M-0327 [1] WASHER-THRUST (17.4X25.4X1.6-MM THK)  
7. 3T-3418 [1] FRAME AS-END  
  3T-3423 [1] CUP  
  3T-3424 [1] PLUG-FELT  
  9G-4101 [1] BUSHING-END  
8. 3T-9525 [1] PLATE AS-BRUSH (STARTING MOTOR)  
8A. 6T-0372 [1] PLATE  
8B. 6T-0371 [1] INSULATOR  
8C. 6T-0363 [6] HOLDER AS-BRUSH  
    (EACH INCLUDES)
  3T-9494 [1] SPRING  
8D. 3T-4709 [3] PLATE  
8E. 3T-4710 [3] PLATE  
8F. 2L-6679 [3] PLATE-INSULATOR  
8G. 7F-3525 [6] WASHER-SPECIAL (0.207X0.39X0.09-IN THK)  
8H. 5P-6298 [12] SCREW-MACHINE (10-32X0.5-IN)  
8I. 9F-5599 [12] LOCKWASHER  
9. 1T-0808 [2] WASHER (0.516X0.812X0.09-IN THK)  
10. 3T-3422 [1] WIRE AS  
11. 2J-8163 [2] SEAL-O-RING  
12. 7X-3373 [1] BOLT (5/16-18X0.88-IN)  
13. 3T-3434 [6] PLUG  
14. 5J-5314 [5] BOLT (5/16-18X1.5-IN)  
15. 3L-3380 [1] BUSHING-TERMINAL  
16. 8C-3089 [1] SEAL-O-RING  
17. 4M-1853 [1] LEVER AS-SHIFT  
18. 5M-3034 [1] LOCKNUT (5/16-24-THD)  
19. 7L-2894 [4] GASKET  
20. 4M-1831 [4] PLUG-LEVER HOUSING  
21. 4M-1854 [1] SHAFT-LEVER  
22. 1H-1023 [1] SEAL-O-RING  
23. 2D-6392 [1] SEAL-O-RING  
24. 7T-3974 [1] HOUSING AS-DRIVE  
25. 6N-3826 [1] DRIVE AS-MOTOR  
26. 2H-3429 [1] RING-RETAINING  
27. 6V-1322 [4] BOLT (1/4-20X0.375-IN)  
28. 8T-4205 [4] WASHER-HARD (7.2X14.5X2-MM THK)  
29. 6N-3279 [1] INSULATOR  
30. 0S-1597 [13] BOLT (1/4-28X1-IN)  
31. 1M-9971 [1] SPACER (0.835X1.72X0.188-IN THK)  
32. 1H-2629 [3] STRIP-INSULATION  
33. 7M-0324 [1] COIL AS-FIELD  
34. 3R-8797 [12] SCREW & WASHER AS (3/8-24X0.72-IN)  
35. 7F-3488 [6] SHOE-POLE  
36. 7M-8651 [1] ARMATURE AS  
37. 7M-0325 [1] INSULATOR  
38. 3T-9524 [6] BRUSH AS  
39. 3N-3763 [1] KIT-TERMINAL (STARTING MOTOR)  
    (INCLUDES BUSHINGS & WASHER)
40. 338-3453 [1] SOLENOID AS-STARTING MOTOR (24-VOLT)  
  3R-8801 [1] CLAMP  
41. 3R-8801 [1] CLAMP  
42. 8F-1434 [2] LOCKWASHER  
43. 6V-8188 [6] NUT (1/2-13-THD)  
44. 7X-0562 [6] WASHER-HARD (13.5X19X0.8-MM THK)  
45. 4B-2049 [6] NUT (10-32-THD)  
46. 8T-0328 [10] WASHER-HARD (5.5X10X1-MM THK)  
47. 3T-9494 [6] SPRING  
48. 3E-7771 [1] HOUSING AS (STARTING MOTOR)  
49. 9G-4101 [1] BUSHING-END  
50. 3T-3424 [3] PLUG-FELT  
51. 3T-3423 [3] CUP  
52. 1M-9968 [1] BUSHING  
53. 2F-6678 [1] SEAL-LIP TYPE  
54. 4L-2729 [1] WASHER (0.844X1.9X0.188-IN THK)  
55. 4M-1896 [1] BUSHING-TERMINAL  
56. 045-4065 [4] SCREW-MACHINE (10-32X0.75-IN)  
58. 125-6535 [2] COVER-STARTING MOTOR  
 

#SEBP51220214
 

237-7602: SWITCH GP-DISCONNECT

237-7602 SWITCH GP-DISCONNECT -BATTERY
S/N F7B1-301
PART OF 339-8300 BATTERY & WIRING GP
FIELD REPLACEMENT ORDER @@@@@452-6892@@@@@
i01954761 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  318-6259 [1] COVER AS  
 

#SEBP51220215
 

452-6892: SWITCH GP-DISCONNECT

452-6892 SWITCH GP-DISCONNECT -BATTERY
S/N F7B302-UP
PART OF 339-8300 BATTERY & WIRING GP
FIELD REPLACEMENT FOR @@@@@237-7602@@@@@
i05645612 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 318-6259 [1] COVER AS  
2. 7N-0718 Y [1] SWITCH GP-DISCONNECT (BATTERY)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220216
 

7N-0718: SWITCH GP-DISCONNECT

7N-0718 SWITCH GP-DISCONNECT -BATTERY
S/N F7B1-UP
6-VOLT TO 24-VOLT
PART OF 339-8300 BATTERY & WIRING GP, 452-6892 SWITCH GP-DISCONNECT
i00089702 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-5306 [1] KEY (BATTERY DISCONNECT)  
2. 8H-5303 [1] NUT (3/4-16-THD)  
3. 2H-3922 [2] LOCKWASHER  
4. 264-3617 [2] LOCKWASHER  
5. 6F-7045 [2] NUT-FULL (3/8-24-THD)  
 

#SEBP51220217
 

209-5582: SWITCH GP-MAGNETIC

209-5582 SWITCH GP-MAGNETIC -AIR INLET HEATER-STARTING AID HEATER RELAY
S/N F7B1-UP
24-VOLT
PART OF 339-8300 BATTERY & WIRING GP
i02555109 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
2. 8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
3. 3F-9556 [2] LOCKWASHER  
4. 6V-8186 [2] NUT-FULL (5/16-24-THD)  
5. 6V-8378 [2] NUT (10-32-THD)  
6. 8F-1434 [2] LOCKWASHER  
 

#SEBP51220218
 

241-8368: SWITCH GP-MAGNETIC

241-8368 SWITCH GP-MAGNETIC -MAIN RELAY
S/N F7B1-UP
24-VOLT
PART OF 375-1044 PANEL GP-ELECTRONIC
i02112812 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
2. 4F-2294 [2] NUT-JAM (5/16-24-THD)  
3. 8T-8730 [2] SOCKET-CONNECTOR (16-GA TO 18-GA)  
 

#SEBP51220219
 

398-0940: SWITCH GP-MAGNETIC

398-0940 SWITCH GP-MAGNETIC
S/N F7B302-UP; TXD1-UP; THX1-UP
PART OF 339-8300 BATTERY & WIRING GP, 339-8301 WIRING GP-ENGINE, 269-3410 WIRING GP-HEATER
ALSO AN ATTACHMENT
i05264061 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
2. 8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
3. 3F-9556 [2] LOCKWASHER  
4. 6V-8186 [2] NUT-FULL (5/16-24-THD)  
5. 6V-8378 [2] NUT (10-32-THD)  
6. 8F-1434 [2] LOCKWASHER  
 

Information:

Troubleshooting
Ether Injection System - Test
C7 and C9 Engines for Caterpillar Built Machines
Disassembly and Assembly
Air Inlet Heater - Remove
C9 Engines for Caterpillar Built Machines
Air Inlet Heater - Install
C9 Engines for Caterpillar Built Machines
Service Magazine

Caterpillar Parts SIS Catalog 521B :

Truck sale:

 
Caterpillar 521B
- Knuckleboom loaders
ZIEGLER CAT
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
 
Caterpillar 521B
- Feller Bunchers
PETERSON CAT
 
CATERPILLAR 521B 2015
- FORESTRY - FELLER BUNCHERS - TRACK
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
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