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8S3886 STARTING MOTOR GROUP--24 Volt FOR USE IN TEMPERATURES OF 0 DEGREES FAHRENHEIT OR BELOW 2P3926 Motor parts are shown on Pages 33, 34 and 35 AN ATTACHMENT D6C




ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
 

#UEG0755S0030
 

8S-3886: STARTING MOTOR GP-ELECTRIC

8S3886 STARTING MOTOR GROUP--24 Volt
FOR USE IN TEMPERATURES OF 0 DEGREES FAHRENHEIT OR BELOW
2P3926 Motor parts are shown on Pages 33, 34 and 35
AN ATTACHMENT
c113854 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-3926 RYC [1] MOTOR ASSEM.  
    (See Separate Illustration)
2. 8S-2332 C [3] BOLT  
3. 3B-4510 [3] LOCKWASHER  
4. 4H-7869 [1] GASKET  
5. 9F-4337 [1] WIRE ASSEM.  
6. 7F-8032 [1] TERMINAL (Ground)  
7. 9F-5509 [2] INSULATOR  
8. 9F-3068 [1] TERMINAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0755S0031
 

7S-3622: STARTING MOTOR GP-ELECTRIC

7S3622 STARTING MOTOR GROUP--24 Volt--Type 1
FOR USE IN TEMPERATURES OF 0 DEGREES FAHRENHEIT OR BELOW
2P6162 and 4N3182 Motor parts are shown on Pages 28 through 32
AN ATTACHMENT
c117422 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-3182 CY [1] MOTOR  
    -OR-
  2P-6162 Y [1] MOTOR  
    (Separate Illustration)
2. 8S-2332 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  2S-0736 C [3] WASHER  
3. 4H-7869 [1] GASKET  
4. 9F-4337 [1] WIRE ASSEM.  
5. 9F-3068 [1] TERMINAL  
6. 7F-8032 [1] TERMINAL (Ground)  
7. 9F-5509 [2] INSULATOR  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0755S0032
 

7S-3622: STARTING MOTOR GP-ELECTRIC

7S3622 STARTING MOTOR GROUP--24 Volt--Type 2
FOR USE IN TEMPERATURES OF 0 DEGREES FAHRENHEIT OR BELOW
4N7752 and 4N3182 Motor parts are shown on Pages 27C, 27D, 30, 31 and 32
AN ATTACHMENT
c203067 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-3182 C [1] MOTOR  
    - OR -
  4N-7752 Y [1] MOTOR  
    (Separate Illustration)
2. 7J-8902 C [3] BOLT  
  8D-5054 C [3] WASHER  
3. 4H-7869 [1] GASKET  
4. 9F-4337 [1] WIRE ASSEM.  
    (Includes)
  5P-0606 T WIRE 2.03 dm(8 in.)  
5. 9F-3068 [1] TERMINAL  
6. 7F-8032 [1] TERMINAL (ground)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  T   ORDER BY THE DECIMETRE
 

#UEG0755S0033
 

4N-7752: STARTING MOTOR GP-ELECTRIC

4N7752 ELECTRIC STARTING MOTOR GROUP--Prestolite--Part 1 of 2
Part of 7S3622 Starting Motor Group shown on Page 27B
9S7976 Solenoid parts are shown on Page 36. Only separate parts serviced
When complete Group is required order 4N3181
c200573 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-5117 [2] NUT (jam)  
2. 3B-4508 [6] LOCKWASHER  
3. 4N-9405 [1] CONNECTOR  
4. 4N-9404 [1] LEAD ASSEM.  
5. 2P-8819 [1] KIT (Field Terminal Stud)  
    (Includes Stud, Bushing and Washers)
6. 1D-4719 [4] NUT  
7. 9S-7976 Y [1] SOLENOID ASSEM.  
    (Separate Illustration)
8. 6H-3622 [4] SCREW  
  3B-4504 [4] LOCKWASHER  
  3K-6116 [4] WASHER  
9. 4M-3217 [2] SCREW  
10. 4B-1220 [3] SCREW  
11. 085-1553 [1] GASKET  
12. 3B-4502 [7] LOCKWASHER  
13. 1P-7831 [1] HEAD ASSEM. (Commutator End)  
14. 2B-4602 [1] PLUG  
15. 1P-7832 [1] KIT (Bearing and Wick)  
16. 4N-9403 [1] KIT (Commutator End Terminal Stud)  
    (Includes Stud, Bushing and Washers)
  Y   SEPARATE ILLUSTRATION
 

#UEG0755S0034
 

4N-7752: STARTING MOTOR GP-ELECTRIC

4N7752 ELECTRIC STARTING MOTOR GROUP--Prestolite--Part 2 of 2
Part of 7S3622 Starting Motor Group shown on Page 27B
Only separate parts serviced. When complete Group is required order 4N3181
c200574 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8822 [1] PLATE ASSEM.  
2. 4N-9401 [1] KIT (Includes 6 Brushes)  
  2P-8868 [1] KIT (Includes 8 Springs)  
3. 2P-8825 [1] SHIFT YOKE ASSEM.  
4. 2P-8817 [1] KIT (Yoke Adjusting)  
    (Includes Plugs, Pin, Gasket & Nut)
5. 8S-1535 [1] KIT (Includes 6 Plugs)  
6. 4N-9402 [1] KIT (Includes 10 Insulations)  
7. 8S-4684 [1] KIT (Bearing & Wick)  
8. 8S-1543 [1] HOUSING ASSEM. (Pinion)  
9. 2B-4602 [1] PLUG  
10. 8S-4680 [1] KIT (Includes 10 Seals)  
11. 4N-4517 [1] DRIVE ASSEM.  
12. 2H-3931 [1] SEAL  
13. 2P-8824 [1] HOUSING ASSEM.  
  2B-4602 [1] PLUG  
14. 8S-2226 [1] BUSHING  
15. 8S-2225 [1] SEAL  
16. 0L-1340 [7] SCREW  
  2P-8816 [1] KIT (Includes Housing Screws)  
17. 3B-4504 [7] LOCKWASHER  
18. 4M-0189 [1] SEAL  
19. 2P-8818 [1] KIT (Field Coil)  
    (Includes Coils, Gaskets & Screws)
20. 8S-1546 [1] ARMATURE ASSEM.  
  8S-8075 [1] KIT (Armature Thrust Washers)  
 

#UEG0755S0035
 

2P-6162: ELECTRIC STARTING MOTOR GROUP

2P6162 ELECTRIC STARTING MOTOR GROUP--Prestolite--24 Volt--Part 1 of 2
Part of 7S3622 Starting Motor Group shown on Page 27. 9S7976 Solenoid parts are shown on Page 36
Only separate parts serviced. When complete Group is required order 4N3181
c117510 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-5117 [2] NUT  
2. 3B-4508 [6] LOCKWASHER  
3. 2P-8823 [1] CONNECTOR  
4. 2P-8821 [1] LEAD ASSEM.  
5. 2P-8819 [1] KIT (Field Terminal Stud)  
    (Includes Stud, Bushing & Washers)
6. 1D-4719 [4] NUT  
7. 9S-7976 Y [1] SOLENOID ASSEM.  
    (Separate Illustration)
8. 6H-3622 [4] SCREW  
  3B-4504 [4] LOCKWASHER  
  3K-6116 [4] WASHER  
9. 4M-3217 [2] SCREW  
10. 4B-1220 [3] SCREW  
11. 8S-1553 [1] GASKET  
12. 3B-4502 [7] LOCKWASHER  
13. 1P-7831 [1] HEAD ASSEM. (Commutator End)  
14. 2B-4602 [1] PLUG  
15. 1P-7832 [1] KIT (Bearing & Wick)  
16. 2P-8820 [1] KIT (Commutator End Terminal Stud)  
    (Includes Stud, Bushing & Washers)
  Y   SEPARATE ILLUSTRATION
 

#UEG0755S0036
 

2P-6162: ELECTRIC STARTING MOTOR GROUP

2P6162 ELECTRIC STARTING MOTOR GROUP--Prestolite--24 Volt--Part 2 of 2
Part of 7S3622 Starting Motor Group shown on Page 27
Only separate parts serviced. When complete Group is required order 4N3181
c117511 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8822 [1] PLATE ASSEM.  
2. 2P-8815 [1] KIT (Includes 8 Brushes)  
  2P-8868 [1] KIT (Includes 8 Springs)  
3. 2P-8825 [1] SHIFT YOKE ASSEM.  
4. 2P-8817 [1] KIT (Yoke Adjusting)  
    (Includes Plugs, Pin, Gasket & Nut)
5. 8S-1535 [1] KIT (Includes 6 Plugs)  
6. 8S-2222 [6] KIT (Includes 10 Insulations)  
7. 8S-4684 [1] KIT (Bearing & Wick)  
8. 8S-1543 [1] HOUSING ASSEM. (Pinion)  
9. 2B-4602 [1] PLUG  
10. 8S-4680 [1] KIT (Includes 10 Seals)  
11. 4N-4517 C [1] DRIVE ASSEM.  
12. 2H-3931 [1] SEAL  
13. 2P-8824 [1] HOUSING ASSEM.  
  2B-4602 [1] PLUG  
14. 8S-2226 [1] BUSHING  
15. 8S-2225 [1] SEAL  
16. 0L-1340 [7] SCREW  
  2P-8816 [1] KIT (Includes Housing Screws)  
17. 3B-4504 [7] LOCKWASHER  
18. 4M-0189 [1] SEAL  
19. 2P-8818 [1] KIT (Field Coil)  
    (Includes Coils, Gaskets & Screws)
20. 8S-1546 [1] ARMATURE ASSEM.  
  8S-8075 [1] KIT (Armature Thrust Washers)  
  C   INDICATES CHANGE
 

#UEG0755S0037
 

4N-3182: STARTING MOTOR GP-ELECTRIC

4N3182 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 1 of 3
Part of 7S3622 Starting Motor Group shown on Page 27
1P9181 Switch parts are shown on Page 36
Only separate parts serviced. When complete Group is required order 4N3181
c114746 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7F-4556 [4] BOLT  
2. 1L-4789 [4] LOCKWASHER  
3. 4M-1844 [1] FRAME ASSEM.  
4. 7S-9826 [1] PLUG  
5. 3S-2398 [1] BUSHING  
6. 2B-4602 [1] PLUG  
7. 9F-2547 [1] WICK  
8. 2L-8166 [1] WASHER  
9. 4M-1868 [1] ARMATURE ASSEM.  
10. 3L-3380 [1] BUSHING  
11. 4M-1839 [1] COIL ASSEM.  
12. 9H-3757 [2] WASHER  
13. 7F-3494 [1] WASHER  
14. 4M-1841 [1] CONNECTOR  
15. 1D-5117 [2] NUT  
16. 1P-9181 Y [1] SWITCH ASSEM.  
    (See Separate Illustration)
17. 6H-3622 [4] SCREW ASSEM.  
18. 3B-4508 [1] LOCKWASHER  
19. 3F-0379 [8] SCREW  
20. 4M-1840 [1] INSULATOR  
21. 4M-1831 [2] PLUG  
22. 4M-1832 [2] GASKET  
23. 1H-2629 [2] STRIP  
24. 8H-1141 [4] SHOE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0755S0038
 

4N-3182: STARTING MOTOR GP-ELECTRIC

4N3182 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 2 of 3
Part of 7S3622 Starting Motor Group shown on Page 27
Only separate parts serviced. When complete Group is required order 4N3181
c114747 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] LEAD ASSEM.  
2. [1] SEAL  
3. [3] WASHER  
4. [3] LOCKWASHER  
5. [3] SCREW  
6. [1] PLATE ASSEM.  
7. [8] BUSHING  
8. [1] PLATE  
9. [2] SCREW  
10. [8] LOCKWASHER  
11. [2] PLATE  
12. [4] HOLDER  
13. [2] SCREW  
14. [8] SPRING  
15. [1] PLATE ASSEM.  
16. [2] PLATE  
17. [2] SCREW  
18. [1] PLATE  
19. [2] SCREW  
20. [6] SCREW (.312" long)  
  [2] SCREW (.375" long)  
  [8] LOCKWASHER  
21. [8] BRUSH ASSEM.  
22. [2] WASHER  
23. [1] SEAL  
24. [1] BUSHING  
25. [1] INSULATOR  
26. [1] WASHER  
27. [2] LOCKWASHER  
28. [1] NUT  
29. [1] NUT  
 

#UEG0755S0039
 

4N-3182: STARTING MOTOR GP-ELECTRIC

4N3182 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3
Part of 7S3622 Starting Motor Group shown on Page 27
Only separate parts serviced. When complete Group is required order 4N3181
c114748 UEG0755S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4M-1855 [1] PLUNGER ASSEM.  
2. 2S-4027 [1] WASHER  
3. 4M-1829 [1] BOOT  
4. 4M-1828 [1] RETAINER  
5. 9M-7609 [1] SPRING  
6. 4M-1827 [1] RETAINER  
7. 1H-1023 [1] SEAL  
8. 4M-1850 [1] HOUSING ASSEM.  
9. 9F-2547 [1] WICK  
10. 2B-4602 [1] PLUG  
11. 1M-9968 [1] BUSHING  
12. 2F-6678 [1] SEAL  
13. 2H-3429 [2] RING  
14. 4L-2729 [1] WASHER  
15. 4M-1853 [1] LEVER ASSEM.  
16. 3F-2617 [1] NUT  
17. 4M-1832 [1] GASKET  
18. 4M-1831 [1] PLUG  
19. 1S-0297 [1] HOUSING ASSEM.  
20. 4M-1896 [1] BUSHING  
21. 4M-1833 [5] SCREW (1.50" long)  
  7M-0336 [1] SCREW (.875" long)  
22. 2P-4708 [1] CLUTCH ASSEM.  
23. 9S-9771 [1] PINION  
24. 9S-9770 [1] SPRING  
25. 2D-6392 [1] SEAL  
26. 7F-4556 [5] BOLT  
27. 1L-4789 [5] LOCKWASHER  
28. 4M-0189 [1] SEAL  
29. 1M-9971 [1] SPACER  
30. 4M-1851 [1] GASKET  
31. 4M-1854 [1] SHAFT  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9S-9825 [1] KIT (Cup)  
    (Includes Cup & Washers)
  4S-9459 [1] KIT (Washer)  
    (Includes Cup & Washers)
 

Information:

General Service Information
Introduction
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Delco Remy
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Engine News
Special Instruction
Current Draw Of Electric Starting Motors{1453}
Current Draw Of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Caterpillar PRELUB<SUP>&reg;</SUP> Diagnostics{1469}
Caterpillar PRELUB® Diagnostics{1469}
Starting Motor Solenoid - Replace {1467}
Starting Motor Solenoid - Replace {1467}
Solenoid (Starting Motor) &minus; Replace{1467}
Solenoid (Starting Motor) − Replace{1467}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Replace Armature of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Specifications
Starter Motors
3306 VEHICULAR ENGINE
Starter Solenoids
3306 VEHICULAR ENGINE
Starter Magnetic Switches
3306 VEHICULAR ENGINE
Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor
Starting Motor - Delco 50-MT
Systems Operation
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Component Description
37-MT, 41-MT, and 42-MT Series Starting Motors
Normal Operation
37-MT, 41-MT, and 42-MT Series Starting Motors
Component Description
Starting Motor - Delco 50-MT
General Information
Starting Motor - Delco 50-MT
Normal Operation
Starting Motor - Delco 50-MT
Testing and Adjusting
No Load - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Brush and Brush Holder - Check
37-MT, 41-MT, and 42-MT Series Starting Motors
Pinion Clearance - Adjust
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Solenoid - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Solenoid - Test
Starting Motor - Delco 50-MT
Field Winding - Test
Starting Motor - Delco 50-MT
Armature - Test
Starting Motor - Delco 50-MT
Brush and Brush Holder - Check
Starting Motor - Delco 50-MT
Pinion Drive - Check
Starting Motor - Delco 50-MT
No Load - Test
Starting Motor - Delco 50-MT
Pinion Clearance - Adjust
Starting Motor - Delco 50-MT
Troubleshooting
Starting Motor Does Not Turn or Turns Slowly
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
Starting Motor - Delco 50-MT
Pinion Does Not Engage Ring Gear
Starting Motor - Delco 50-MT
Disassembly and Assembly
Starting Motor - Disassemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Disassemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
Starting Motor - Delco 50-MT
Starting Motor - Disassemble
Starting Motor - Delco 50-MT
Starting Motor - Assemble
Starting Motor - Delco 50-MT
Service Magazine

Caterpillar Parts SIS Catalog D6C :

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