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6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 2 Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457, & 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up. Part of 7N6224 Alternator Group shown on Page 77A 637D


ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGING
WIRING GP

WHEEL SCRAPER 637D WHEEL SCRAPER 20W
 637D SCRAPERS 20W00001-00494 (MACHINE) POWERED BY 3306 ENGINE SEBP1061 637D 20W   (1976)

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
7N-9720 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
7N-9720 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
9G-8255 ALTERNATOR GP-CHARGING
 

#SEBP10610230
 

6N-9294: ALTERNATOR GP-CHARGING

6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 2
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444,
445, 447, 449, 450, 452 to 457, & 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962
& 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up. Part of 7N6224 Alternator
Group shown on Page 77A
SEBP10610230 SEBP1061
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7N-9720 Y [1] ALTERNATOR GROUP  
    - OR -
  3T-6352 Y [1] ALTERNATOR GROUP DELCO-REMY  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10610231
 

7N-9720: ALTERNATOR GP-CHARGING

7N9720 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 1
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457
&21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c235257 SEBP1061
7N9720 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9G-7551 [1] BEARING  
2. 9G-7548 [1] RING  
3. 9G-7558 [1] COIL ASSEM.  
4. 9G-7560 [1] ROTOR ASSEM.  
5. 9G-7553 [1] RING  
6. 9G-7562 [1] COVER ASSEM.  
7. 9G-7567 [1] REGULATOR ASSEM.  
8. 9G-7552 [1] BEARING  
9. 9G-7557 [1] SCREW ASSEM.  
10. 9G-7568 [1] FRAME ASSEM.  
11. 9G-7563 [1] DIODE ASSEM.  
12. 9G-7561 [1] STATOR ASSEM.  
13. 9G-7566 [1] FRAME  
14. 9G-7564 [1] FAN  
15. 9G-7549 [1] SPACER  
16. 2K-4821 [1] LOCKNUT  
  [1] WASHER  
17. 3T-5962 C [1] NAME PLATE  
18. 2H-3880 C [2] SCREW (drive)  
19. 3B-4510 C [1] LOCKWASHER  
20. 1B-8705 C [1] KEY  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9G-7554 [1] KIT (ground terminal)  
    (Includes nuts and lockwashers)
  9G-7555 [1] KIT (output terminal)  
    (Includes nuts, washers and bushings)
  9G-7556 [1] KIT (capacitor)  
    (Includes capacitor, screw, lockwasher and washer)
  9G-7559 [1] KIT (relay terminal)  
    (Includes splice, tube, nut, terminal, luckwasher, washers, and bushing)
  9G-7565 [1] KIT (regulator terminal)  
    (Includes nuts, lockwashers, washers and bushing)
  C   INDICATES CHANGE
 

#SEBP10610232
 

7N-9720: ALTERNATOR GP-CHARGING

7N9720 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 2
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457
& 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c235180 SEBP1061
7N9720 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9G-7551 [1] BEARING  
2. 9G-7548 [1] RING  
3. 9G-7558 [1] COIL ASSEM.  
4. 9G-7560 [1] ROTOR ASSEM.  
5. 9G-7553 [1] RING  
6. 9G-7562 [1] COVER ASSEM.  
7. 9G-7567 [1] REGULATOR ASSEM.  
8. 9G-7552 [1] BEARING  
9. 9G-7557 C [4] SCREW ASSEM.  
10. 9G-7568 [1] FRAME ASSEM.  
11. 3T-1887 C [1] DIODE ASSEM.  
12. 9G-7561 [1] STATOR ASSEM.  
13. 9G-7566 [1] FRAME  
14. 9G-7564 [1] FAN  
15. 9G-7549 [1] SPACER  
16. 2K-4821 [1] LOCKNUT  
  [1] WASHER  
17. 3T-5962 [1] NAME PLATE  
18. 2H-3880 [2] SCREW (drive)  
19. 3B-4510 [1] LOCKWASHER  
20. 1B-8705 [1] KEY  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9G-7554 [1] KIT (ground terminal)  
    (Includes nuts and lockwashers)
  9G-7555 [1] KIT (output terminal)  
    (Includes nuts, washers and bushings)
  9G-7556 [1] KIT (capacitor)  
    (Includes capacitor, screw, lockwasher and water)
  9G-7559 [1] KIT (relay terminal)  
    (Includes splice, tube, nut, terminal, lockwasher, washers, and bushing)
  9G-7565 [1] KIT (regulator terminal)  
    (Includes nuts, lockwashers, washers and bushing)
  C   INDICATES CHANGE
 

#SEBP10610233
 

9G-8255: ALTERNATOR GP-CHARGING

9G8255 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 1
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457
& 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c228795 SEBP1061
9G8255 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-6920 [1] BEARING-ROLLER  
2. 7N-7806 [1] COIL AS-FIELD  
3. 7N-7804 [1] STATOR AS  
4. 7N-7795 [1] COLLAR  
5. 7N-7810 [1] FRAME AS-DRIVE END  
6. 5P-9514 [1] BALL BEARING  
7. 9L-2140 [1] PLATE  
8. 9L-6782 [1] SHIELD-DUST  
9. 7N-7800 [1] ROTOR AS  
10. 2K-4821 [1] LOCKNUT  
11. 7F-7621 [1] WASHER  
12. 9L-6783 [1] COLLAR  
13. 9L-2139 [1] WASHER-FELT  
14. 9N-1210 [1] FAN AS  
15. 7N-9020 [3] SCREW AS  
16. 9L-2137 [1] RETAINER AS  
17. 7N-7122 [1] RECTIFIER AS  
18. 9S-2396 [1] BUSHING  
19. 9S-2007 [4] SCREW-LOCKING  
20. 7N-7809 [1] PLATE  
21. 7N-7805 [1] HOUSING  
22. 7N-9024 [4] BOLT  
 

#SEBP10610234
 

9G-8255: ALTERNATOR GP-CHARGING

9G8255 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 2
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457
& 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W901, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c228796 SEBP1061
9G8255 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-7807 [1] TERMINAL KIT (output)  
    (Includes Insulator, Screw, Washers, Lockwasher, Nut and Adapter)
2. 7N-7808 [1] TERMINAL KIT  
    (Includes Stud, Bushings, Washers and Nut Assem.)
3. 9L-6770 [1] CAP  
4. 8N-0740 [5] SCREW ASSEM.  
5. 7N-9022 [2] SCREW ASSEM.  
  9N-0938 [2] WASHER  
6. 7N-9023 [2] SCREW ASSEM.  
7. 7N-7799 [1] REGULATOR ASSEM.  
8. 6N-1869 [4] NUT ASSEM.  
9. 7N-7811 [1] CONNECTOR  
10. 7N-9018 [3] SCREW ASSEM.  
11. 9N-1202 [1] DIODE ASSEM.  
12. 7N-7797 [2] INSULATOR  
13. 7N-9021 [1] SCREW ASSEM.  
  7N-7796 [1] BUSHING  
14. 7N-7802 [1] CAPACITOR ASSEM.  
  3N-4082 [1] BRACKET  
15. 7N-7798 [1] CONNECTOR  
16. 7N-7801 [1] CONNECTOR  
 

#SEBP10610235
 

3T-6352: ALTERNATOR GP-CHARGING

3T6352 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 1
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457
& 21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W902, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c235181 SEBP1061
3T6352 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-6920 [1] BEARING-ROLLER  
2. 7N-7806 [1] COIL AS-FIELD  
3. 7N-7804 [1] STATOR AS  
4. 7N-7795 [1] COLLAR  
5. 7N-7810 [1] FRAME AS-DRIVE END  
6. 5P-9514 [1] BALL BEARING  
7. 9L-2140 [1] PLATE  
8. 9L-6782 [1] SHIELD-DUST  
9. 7N-7800 [1] ROTOR AS  
10. 2K-4821 [1] LOCKNUT  
11. 7F-7621 [1] WASHER  
12. 9L-6783 [1] COLLAR  
13. 9L-2139 [1] WASHER-FELT  
14. 9N-1210 [1] FAN AS  
15. 7N-9202 [3] SCREW AS  
16. 9L-2137 [1] RETAINER AS  
17. 7N-7122 [1] RECTIFIER AS  
18. 9S-2396 [1] BUSHING  
19. 9S-2007 [4] SCREW-LOCKING  
20. 7N-7809 [1] PLATE  
21. 7N-7805 [1] HOUSING  
22. 7N-9024 [4] BOLT  
 

#SEBP10610236
 

3T-6352: ALTERNATOR GP-CHARGING

3T6352 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 2
Serial No. 20W456, 457, 459, 460, 470 to 477, 480, 484, 485 & 20W487-Up, 21W444, 445, 447, 449, 450, 452 to 457 &
21W462-Up, 22W930, 933 to 938, 940, 941, 943 to 962 & 22W964-Up & 23W902, 912, 920 to 943 & 23W945-Up
Part of 6N9294 Alternator Group listed on Page 77E
c304807 SEBP1061
3T6352 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-7807 [1] TERMINAL KIT (output)  
    (Includes Insulator, Screw, WASHERS, LOCKWASHER, NUT & ADAPTER)
2. 7N-7808 [1] TERMINAL KIT  
    (Includes Stud, Bushings, WASHERS & NUT ASSEM.)
3. 9L-6770 [1] CAP  
4. 8N-0740 [5] SCREW ASSEM.  
5. 6N-1872 C [2] SCREW ASSEM.  
  9N-0938 [2] WASHER 11.17mm(.44 in.)O.D.  
6. 7N-9023 [2] SCREW ASSEM.  
7. 3T-6353 [1] REGULATOR ASSEM.  
8. 6N-1869 [4] NUT ASSEM.  
9. 7N-7811 [1] CONNECTOR  
10. 7N-9018 [3] SCREW ASSEM.  
11. 9N-1202 [1] DIODE ASSEM.  
12. 7N-7797 [2] INSULATOR  
13. 7N-9021 [1] SCREW ASSEM.  
  7N-7796 [1] BUSHING  
14. 7N-7802 [1] CAPACITOR ASSEM.  
  3N-4082 [1] BRACKET  
15. 7N-7798 [1] CONNECTOR  
16. 7N-7801 [1] CONNECTOR  
17. 5L-4426 C [1] NUT  
  3B-4504 C [1] LOCKWASHER  
  3P-9901 C [1] WASHER  
18. 3H-0240 C [2] WASHER 9.65mm(.38 in.)O.D.  
  C   INDICATES CHANGE
 

#SEBP10610237
 

9D-4460: WIRING GROUP

9D4460 WIRING GROUP--Side View--Part 1 of 3
Serial No. 20W1 to 363, 368 & 20W373 inclusive & 21W1 to 388, 391 & 21W393 to 21W395 inclusive & 22W1 to 457, 459, 462 to
464, 469, 471, 474, 475, 477 to 480, 483 to 485, 487, 489, 490, 493, 495 to 502, 507, 510 to 512, 514, 515, 517, 519, 521 & 22W523
inclusive & 23W1 to 482, 485 to 493, 495, 497, 499 to 501, 503, 504, 506, 507, 509 to 514, 516, 517 & 23W521 inclusive
1M3387 Lamp parts are shown on Page 77B
c160348 SEBP1061
9D4460 WIRING GROUP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-5443 [1] SWITCH ASSEM. (push-pull)  
    (Includes)
  3D-5441 [1] KNOB  
  3D-5442 [1] NUT  
  9B-7242 [2] SCREW  
2. 1M-3387 Y [1] LAMP ASSEM.  
    (Separate Illustration)
3. 4H-8310 [1] STRAP  
4. 2P-9081 [1] WIRE ASSEM.  
    (Includes)
  5P-0616 H WIRE 2.10 dm(8.25 in.)  
5. 6B-2759 [1] TERMINAL  
6. 1F-7240 [1] TERMINAL  
7. 9F-3099 [1] SWITCH (magnetic)  
    (Includes)
8. 4F-2294 [2] NUT  
  3L-6789 [2] LOCKWASHER  
  8F-0908 [2] WASHER  
9. 4B-2043 [2] NUT  
  3B-4501 [2] LOCKWASHER  
10. 0S-1614 [2] BOLT  
11. 3B-4504 [4] LOCKWASHER  
12. 2P-9025 [1] BRACKET ASSEM.  
    (Includes)
  9F-6445 [2] NUT  
13. 8S-7713 [1] SWITCH ASSEM. (heat-start)  
    (Includes)
  8F-3437 [1] LEVER  
  5L-7200 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
14. 5P-4942 [1] PLATE  
15. 4D-5371 [3] CLIP  
16. 6D-7867 [2] CABLE ASSEM.  
    (Each Includes)
  5P-0747 J CABLE 117.34 cm(462 in.)  
17. 1S-7251 [2] TERMINAL  
18. 4D-6466 [1] CLIP  
19. 8M-2770 [1] CLIP  
20. 0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
21. 2A-0762 [2] BOLT  
22. 3F-1006 [1] SWITCH (push)  
23. 9M-7958 C [1] CLAMP  
24. 6D-1641 C [1] CLIP  
25. 5P-0767 CJ GUARD 118 cm(46.46 in.)  
    (use as required)
26. 5P-1251 CJ GUARD 51 cm(20.08 in.)  
27. 7D-7233 C [1] CLIP  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  J   ORDER BY THE CENTIMETRE
 

#SEBP10610238
 

9D-4460: WIRING GROUP

9D4460 WIRING GROUP--Top View--Part 2 of 3
Serial No. 20W1 to 363, 368 & 20W373 inclusive & 21W1 to 388, 391 & 21W393 to 21W395 inclusive & 22W1 to
457, 459, 462 to 464, 469, 471, 474, 475, 477 to 480, 483 to 485, 487, 489, 490, 493, 495 to 502, 507, 510 to
512, 514, 515, 517, 519, 521 & 22W523 inclusive & 23W1 to 482, 485 to 493, 495, 497, 499 to 501, 503, 504,
506, 507, 509 to 514, 516, 517 & 23W521 inclusive. 2G4154 & 2G4638 Harness parts are shown on Pages 82 and 83
c208352 SEBP1061
9D4460 WIRING GROUP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-7794 [13] CLIP  
2. 0S-0509 [17] BOLT  
3. 3B-4506 [17] LOCKWASHER  
4. 4D-6466 [1] CLIP  
5. 2G-4154 Y [1] HARNESS ASSEM.  
    (Separate Illustration)
  5P-0562 H WIRE 1.50 dm(5.91 in.)  
6. 2G-4427 [1] COVER  
7. 1D-4717 [2] NUT  
8. 8M-2770 [4] CLIP  
9. 8M-2772 [1] CLIP  
10. 9D-7032 [1] SWITCH (Trans Oil Pressure)  
  5P-3501 [1] ADAPTER  
  3J-1907 [1] SEAL  
11. 2G-4638 Y [1] HARNESS ASSEM.  
    (Separate Illustration)
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10610239
 

9D-4460: WIRING GROUP

9D4460 WIRING GROUP--Side View--Part 3 of 3
Serial No. 20W1 to 363, 368 & 20W373 inclusive & 21W1 to 388, 391 & 21W393 to
21W395 inclusive & 22W1 to 457, 459, 462 to 464, 469, 471, 474, 475, 477 to 480,
483 to 485, 487, 489, 490, 493, 495 to 502, 507, 510 to 512, 514, 515, 517, 519, 521
& 22W523 inclusive & 23W1 to 482, 485 to 493, 495, 497, 499 to 501, 503, 504,
506, 507, 509 to 514, 516, 517 & 23W521 inclusive
c160349 SEBP1061
9D4460 WIRING GROUP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-8406 [4] CLIP  
2. 4D-7794 [4] CLIP  
3. 6D-7866 [1] HARNESS ASSEM.  
  5P-6029 CH WIRE 1.5 m(5.91 in.)  
4. 2G-4427 [1] COVER  
5. 0S-0509 [7] BOLT  
6. 1D-4717 [7] NUT  
7. 3B-4506 [4] LOCKWASHER  
8. 9D-5359 [1] HARNESS ASSEM.  
    (Includes)
  9D-3977 [1] RECEPTACLE  
9. 5P-6029 CH WIRE .15 m(5.91 in.)  
10. 6D-5474 [2] GUARD  
11. 0S-1588 [3] BOLT  
  5B-4278 [2] WASHER  
12. 0S-1595 [1] BOLT  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
13. 4D-6466 C [4] CLIP  
14. 5D-1026 C [2] CLAMP  
15. 5P-0767 CJ GUARD 31 cm(12.21 in.)  
16. 5P-0767 CJ GUARD 31 cm(12.21 in.)  
17. 6D-1641 C [1] CLIP  
18. 9M-7958 C [1] CLAMP  
  7D-7233 C [1] CLIP  
19. 5P-1251 CJ GUARD 31 cm(12.21 in.)  
  H   ORDER BY THE METRE
  J   ORDER BY THE CENTIMETRE
  C   INDICATES CHANGE
 

Information:

Specifications
Alternator
26SI Series Alternator
Systems Operation
General Information
26SI Series Alternator
Component Description
26SI Series Alternator
Normal Operation
26SI Series Alternator
Testing and Adjusting
T1 Alternator Output - Test
26SI Series Alternator
T2 Electrical System Current - Test
26SI Series Alternator
T3 Charging System - Test
26SI Series Alternator
T4 Alternator Drive System - Check
26SI Series Alternator
T5 Alternator Current - Test
26SI Series Alternator
T6 Residual Magnetism Restoration
26SI Series Alternator
T7 Identifying Source of Current Draw - Test
26SI Series Alternator
T8 Alternator Overcharging - Test
26SI Series Alternator
Initial Troubleshooting Procedure
26SI Series Alternator
General Information
26SI Series Alternator
Component - Test
26SI Series Alternator
Disassembly and Assembly
Alternator - Assemble
26SI Series Alternator
Alternator - Disassemble
26SI Series Alternator

Caterpillar Parts SIS Catalog 637D :

6N-9294 ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
LAMP GP
1M-3387 LAMP GP
ALTERNATOR GP-CHARGING
7N-6224 ALTERNATOR GP-CHARGING
STARTING RECEPTACLE GROUP
6G-0040 STARTING RECEPTACLE GROUP
WARNING GP-BACK-UP
6G-1500 WARNING GP-BACK-UP
BACK-UP WARNING GROUP
2G-4520 BACK-UP WARNING GROUP
ALTERNATOR GP-CHARGING
7N-9720 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
7N-9720 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
9G-8255 ALTERNATOR GP-CHARGING
9G-8255 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
3T-6352 ALTERNATOR GP-CHARGING
3T-6352 ALTERNATOR GP-CHARGING
WIRING GROUP
9D-4460 WIRING GROUP
9D-4460 WIRING GROUP

Truck sale:

1979 CAT 637D
Call 
1979 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1976 CAT 637D
Call 
1976 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1978 CAT 637D
Call 
1978 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1978 CAT 637D
Call 
1978 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1979 CAT 637D
Call 
1979 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
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AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.