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8N1968 ALTERNATOR GROUP--24 Volt, 35 Ampere Serial No. 68K893-Up and Engine Serial No. 73X824-Up 6N9294 Alternator parts are shown on Pages 90-2 and 90-3 657B


ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGING

WHEEL TRACTOR 657B WHEEL TRACTOR 68K
 657B TRACTOR 68K00893-UP (MACHINE) POWERED BY D346 ENGINE UEG0879S 657B 68K   (1969)

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
3T-1888 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
7S-8847 ALTERNATOR GP-CHARGING
ALTERNATOR GROUP
8N-1968 ALTERNATOR GROUP
6N-8991 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
 

#UEG0879S0300
 

8N-1968: ALTERNATOR GROUP

8N1968 ALTERNATOR GROUP--24 Volt, 35 Ampere
Serial No. 68K893-Up and Engine Serial No. 73X824-Up
6N9294 Alternator parts are shown on Pages 90-2 and 90-3
c222642 UEG0879S
8N1968 ALTERNATOR GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-5118 [2] NUT  
2. 8S-5383 [1] BLOCK  
3. 4S-5780 [1] ROD  
4. 0S-1589 [1] BOLT  
5. 3B-4510 [1] LOCKWASHER  
6. 2B-2006 [2] BOLT  
7. 5P-8245 [8] WASHER  
8. 8M-4791 [4] WASHER  
9. 8S-2709 [1] BRACKET  
10. 4N-5092 [1] WIRE ASSEM.  
    (Includes)
  5P-5622 H WIRE .304 m (12 in.)  
  2L-8066 [1] TERMINAL (no. 10 screw)  
  2L-8069 [1] TERMINAL 9.53 mm (.375 screw)  
11. 9M-5147 [1] PULLEY  
12. 0S-1587 [1] BOLT  
13. 8S-9089 [3] BOLT  
14. 7S-8849 [1] SUPPORT  
15. 0S-1585 [2] BOLT  
16. 5M-0924 [1] VEE BELT  
17. 6N-9294 RY [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE METER
 

#UEG0879S0301
 

6N-8991: ALTERNATOR GP-CHARGING

6N8991 ALTERNATOR GROUP--24 Volt, 50 Ampere
Also part of 2G8180 Air Conditioner Arrangement listed on Page 236E
AN ATTACHMENT
UEG0879S0301 UEG0879S
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5S-9088 RY [1] ALTERNATOR GROUP  
  9M-9811 [1] WIRE ASSEMBLY ALTERNATOR TO ENGINE  
  9F-3965 [1] TERMINAL  
  9F-3068 [1] TERMINAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEG0879S0302
 

6N-9294: ALTERNATOR GP-CHARGING

6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--Side View--Type 1--Part 1 of 2
Engine Serial No. 73X824-Up
Part of 8N1968 Alternator Group shown on Page 90-1
c226124 UEG0879S
6N9294 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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

#UEG0879S0303
 

6N-9294: ALTERNATOR GP-CHARGING

6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--End View--Type 1--Part 2 of 2
Engine Serial No. 73X824-Up
Part of 8N1968 Alternator Group shown on Page 90-1
c218759 UEG0879S
6N9294 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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. 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  
 

#UEG0879S0304
 

6N-9294: ALTERNATOR GP-CHARGING

6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 2
Engine Serial No. 73X824-Up
Part of 8N1968 Alternator Group shown on Page 90-1
UEG0879S0304 UEG0879S
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9G-8255 Y [1] ALTERNATOR GROUP DELCO-REMY  
    - OR -
  7N-9720 Y [1] ALTERNATOR GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0879S0305
 

6N-9294: ALTERNATOR GP-CHARGING

6N9294 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 3
Engine Serial No. 73X824-Up
Part of 8N1968 Alternator Group shown on Page 90-1
UEG0879S0305 UEG0879S
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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
 

#UEG0879S0306
 

7N-9720: ALTERNATOR GP-CHARGING

7N9720 ALTERNATOR GROUP--24 Volt, 35 Ampere
Engine Serial No. 73X824-Up
Part of 6N9294 Alternator Group shown on Page 90-4
c228797 UEG0879S
7N9720 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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  
    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, lockwasher, washers, and bushing)
  9G-7565 [1] KIT (regulator terminal)  
    (Includes nuts, lockwashers, washers and bushing)
 

#UEG0879S0307
 

9G-8255: ALTERNATOR GP-CHARGING

9G8255 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 1 of 2
Engine Serial No. 73X824-Up
Part of 6N9294 Alternator Group listed on Page 90-4
c228795 UEG0879S
9G8255 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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  
 

#UEG0879S0308
 

9G-8255: ALTERNATOR GP-CHARGING

9G8255 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 2 of 2
Engine Serial No. 73X824-Up
Part of 6N9294 Alternator Group listed on Page 90-4
c228796 UEG0879S
9G8255 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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  
 

#UEG0879S0309
 

3T-6352: ALTERNATOR GP-CHARGING

3T6352 ALTERNATOR GROUP--24 Volt, 35 Ampere--Part 1 of 2
Engine Serial No. 73X824-Up
Part of 6N9294 Alternator Group listed on Page 90-4
c235181 UEG0879S
3T6352 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

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  
 

Information:

Caterpillar Parts SIS Catalog 657B :

PLUG & WIRING GP-GLOW
2S-3704 PLUG & WIRING GP-GLOW
ALTERNATOR GP-CHARGING
7S-8847 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
3T-1888 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
3T-1888 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
9G-9538 ALTERNATOR GP-CHARGING
5S-9088 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
5S-9088 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
5S-9088 ALTERNATOR GP-CHARGING
6N-8991 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
6N-9294 ALTERNATOR GP-CHARGING
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
9G-8255 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
9G-8255 ALTERNATOR GP-CHARGING

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