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4N7901 STARTING MOTOR GROUP--Prestolite--Part 2 of 2 Part of 4N7765 Electric Starting Motor Group shown on Page 203 950


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
SWITCH GP
ALTERNATOR GP-CHARGING
GLOW PLUG GP
ALTERNATOR GP-CHARGING

WHEEL LOADER 950 WHEEL LOADER 31K
 3304 VEHICULAR ENGINE 31K01201-01485 (MACHINE) UEG0797S 950 31K   (1968)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
ELECTRIC STARTING MOTOR
4N-7765 ELECTRIC STARTING MOTOR
STARTING MOTOR GP-ELECTRIC
7S-4090 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
2P-2502 STARTING MOTOR GP-ELECTRIC
2P-2502 STARTING MOTOR GP-ELECTRIC
MOTOR GROUP
4N-7902 MOTOR GROUP
4N-7902 MOTOR GROUP
STARTING MOTOR GP-ELECTRIC
3P-0006 STARTING MOTOR GP-ELECTRIC
3P-0006 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GROUP
4N-7901 STARTING MOTOR GROUP
4N-7901 STARTING MOTOR GROUP
 

#UEG0797S0360
 

4N-7901: STARTING MOTOR GROUP

4N7901 STARTING MOTOR GROUP--Prestolite--Part 2 of 2
Part of 4N7765 Electric Starting Motor Group shown on Page 203
c226275 UEG0797S
4N7901 STARTING MOTOR GROUP Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-4691 [1] PLATE ASSEM.  
2. 4N-8618 C [1] KIT (includes 3 brushes)  
  4N-4692 C [1] KIT (includes 4 brush springs)  
3. 8S-1537 [1] SHIFT YOKE ASSEM.  
4. 2P-8817 [1] KIT (yoke adjusting)  
    (Includes Plugs, Pin, Gasket & Nut)
5. 8S-1535 [1] KIT (includes 6 plugs)  
7. 8S-4684 [1] KIT (bearing & wick)  
8. 8S-1543 [1] HOUSING ASSEM. (pinion)  
    (Includes)
9. 2B-4602 [1] PLUG  
11. 4N-4517 [1] POSITORK DRIVE ASSEM.  
12. 2H-3931 [1] SEAL  
13. 2P-8824 [1] HOUSING ASSEM.  
    (Includes)
  2B-4602 [1] PLUG  
14. 8S-2226 [1] BUSHING  
15. 8S-2225 [1] SEAL  
16. 2P-8816 [1] KIT (includes housing screws)  
17. 3B-4504 [7] LOCKWASHER  
18. 4M-0189 [1] SEAL  
19. 4N-4690 [1] KIT (field coil)  
    (Includes Coils, Gaskets & Screws)
20. 9S-6100 [1] ARMATURE ASSEM.  
  8S-8071 [1] KIT (armature thrust washers)  
21. 8S-2780 [1] KIT (includes 10 insulations)  
  C   INDICATES CHANGE
 

#UEG0797S0361
 

6N-5123: SWITCH AS-SOLENOID

6N5123 SOLENOID SWITCH ASSEMBLY--24 Volt
Part of 2P2502 and 4N7902 Electric Starting Motor Groups shown on Pages 204 & 206
c229022 UEG0797S
6N5123 SWITCH AS-SOLENOID Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-0908 C [1] TERMINAL ASSEM.  
    (Includes)
  4M-1834 [1] PLATE  
2. 7F-4907 [1] STRIP  
3. 3H-3681 [2] NUT  
4. 3B-4508 [4] LOCKWASHER  
5. 3H-3680 [2] NUT  
6. 7F-3494 [2] WASHER  
7. 4M-1836 [2] INSULATOR  
8. 4M-1837 [2] BUSHING  
9. 7F-4906 C [1] STUD  
10. 7N-0909 [1] TERMINAL ASSEM.  
11. 9S-4490 [1] GASKET  
12. 4M-5274 [1] SCREW (large)  
    -OR-
  5P-9132 C [1] SCREW (small)  
13. 9S-4489 [4] SCREW ASSEM.  
14. 4M-3217 [2] SCREW  
15. 4M-1814 [1] CONTACT ASSEM.  
16. 3P-0072 [1] CASE ASSEM.  
17. 1F-0073 [2] CLIP  
18. 4M-1815 [1] SPRING  
  C   INDICATES CHANGE
 

#UEG0797S0362
 

9S-7976: SOLENOID AS

9S7976 SOLENOID SWITCH ASSEMBLY
Part of 3P6 and 4N7901 Motor Groups shown on Pages 208 and 210
c115899 UEG0797S
9S7976 SOLENOID AS Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-7657 C [4] NUT-SEALING  
2. 8S-8023 [1] COVER AS  
3. 8S-8024 [1] GASKET-COVER  
4. 9B-7235 [1] SCREW-MACHINE  
  9B-7233 [1] LOCKWASHER  
5. 8S-1528 [1] BOOT  
6. 8S-8021 [1] CORE AS  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  8S-1524 [1] KIT-TERMINAL STUD (BATTERY)  
  8S-1525 [1] KIT-TERMINAL STUD (MOTOR)  
  9S-8688 [1] KIT-CONTACT END CORE  
  8S-1527 [1] KIT-YOKE END CORE  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0797S0363
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt, 50 Ampere
Serial No. 78P12221 to 78P13757 inclusive. Part of 4N3799, 4N3801, 4N3802,
4N3803, 4N3806, 4N3807, 4N3974, 4N3975, 4N3976, 2P6779 and 2P6780 Engine
Arrangements. 5S9088 Alternator parts are shown on Pages 213A through 213D
c153721 UEG0797S
2P7836 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-9088 RYC [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT 6 in.(15.24 cm) long  
4. 1H-6936 C [1] WIRE ASSEM.  
    (Includes)
  5P-0611 H WIRE 2.28 dm(9 in.)  
  2L-8060 [1] TERMINAL (.375 in. screw)  
  2L-8058 [1] TERMINAL (.25 in. screw)  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
8. 8M-4791 [1] WASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  H   ORDER BY THE DECIMETRE
 

#UEG0797S0364
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt, 19 Ampere
Serial No. 78P13758-Up. Part of 4N3799, 4N3801, 4N3802, 4N3803, 4N3806,
4N3807, 4N3974, 4N3975, 4N3976, 2P6779 & 2P6780 Engine Arrangements
2P1204 Alternator parts are shown on Page 214
c153722 UEG0797S
2P7836 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-1204 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT 6 in.(15.24 cm) long  
4. 9S-4146 [1] WIRE ASSEM.  
    (Includes)
  5P-0616 H WIRE 1.65 cm(6.5 in.)  
  2L-8069 [1] TERMINAL (large)  
  2L-8066 [1] TERMINAL (small)  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
    (Includes)
  1F-0748 [1] NUT  
8. 8M-4791 [1] WASHER  
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
 

#UEG0797S0365
 

5S-8500: GLOW PLUG GP

GLOW PLUG (5S8500 N/S)--24 Volt
Part of all Engine Arrangements
c112663 UEG0797S
5S8500 GLOW PLUG GP Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3755 [ 2] BOLT  
  3B-4505 [ 2] LOCKWASHER  
  4B-4277 [ 2] WASHER  
2. 5S-8480 [ 1] LEAD ASSEM.  
3. 1P-7324 [ 4] GLOW PLUG  
 

#UEG0797S0366
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt, 19 Ampere
Serial No. 78P1 to 78P12220 inclusive. Part of 4N3799, 4N3801, 4N3802, 4N3803,
4N3806, 4N3807, 4N3974, 4N3975, 4N3976, 2P6775, 2P6776, 2P6777, 2P6778, 2P6779,
2P6780, 2P6781, 2P6782, 2P6783, 2P6784, 2P6785 and 2P9561 Engine Arrangements
2P1204 Alternator parts are shown on Page 214
c117249 UEG0797S
2P7836 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-1204 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT (6 in. long)  
4. 9S-4146 [1] WIRE ASSEM.  
  6B-2759 [1] TERMINAL (.406 in. Hole)  
  1F-7240 [1] TERMINAL (No. 10 Screw)  
  7B-4826 [2] INSULATOR  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
8. 8M-4791 [1] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0797S0367
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 1 of 2--Type 1
Serial No. 78P12221-Up
Part of 2P7836 Alternator Group shown on Page 212A
c202886 UEG0797S
5S9088 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2260 [1] PLATE  
2. 9S-2544 [4] SCREW  
3. 8H-0878 [6] LOCKWASHER  
4. 9S-2438 [2] SCREW  
5. 7H-2079 [7] LOCKWASHER  
6. 9S-2255 [1] COVER  
7. 9S-2262 [1] GASKET  
8. 9S-2246 [1] LEAD ASSEM.  
9. 9S-9830 [1] SCREW  
10. 8F-1326 [3] WASHER  
11. 9B-7233 [3] LOCKWASHER (Shake Proof)  
12. 9S-9829 [1] SCREW ASSEM.  
13. 4B-2043 [4] NUT  
14. 9S-2259 [1] REGULATOR  
15. 9S-2250 [1] GROMMET  
16. 9S-2011 [1] SCREW  
17. 1L-4789 [1] LOCKWASHER  
18. 9S-2389 [1] STUD ASSEM.  
19. 9S-2398 [1] HOUSING ASSEM.  
20. 9S-2393 [3] DIODE  
21. 9S-2397 [1] COVER  
22. 9F-2247 [1] PLUG  
23. 9S-2395 [1] BEARING  
24. 9S-2394 [1] SEAL  
25. 9S-2396 [1] BUSHING  
26. 9S-2007 [3] SCREW  
27. 9S-2301 [1] INSULATION  
28. 9S-2292 [1] HEAT SINK ASSEM.  
29. 9S-2300 [4] INSULATOR  
30. 9S-9830 C [4] SCREW  
  9S-2247 [4] WASHER (Spring)  
  4B-4863 [4] WASHER (Plain)  
31. 9S-2542 [1] SCREW  
32. 9S-2437 [5] SCREW  
  9S-2013 H [1] KIT (Terminal Relay)  
    (Consists of Bushing, "O" Ring & Hardware)
  9S-2012 H [1] KIT (Terminal Output)  
    (Consists of Gaskets, Terminal & Hardware)
  9S-2290 H [1] KIT (Heat Sink)  
    (Diode Junction Hardware)
  9S-2291 H [1] KIT (Heat Sink)  
    (Positive Diode Hardware)
  C   INDICATES CHANGE
  H   NOT PART OF 5S9088 ALTERNATOR
 

#UEG0797S0368
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 2 of 2--Type 1
Serial No. 28P12221-Up
Part of 2P7836 Alternator Group shown on Page 212A
c113560 UEG0797S
5S9088 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2242 [1] RACE  
2. 9S-2248 [1] FIELD COIL AND SUPPORT ASSEM.  
3. 9S-2004 [1] STATOR ASSEM.  
4. 9S-2006 [1] INSULATOR  
5. 9S-2005 [1] GROMMET  
6. 9S-2014 [3] CLIP  
7. 9S-2302 [1] ROTOR ASSEM.  
8. 9S-2390 [1] RETAINER ASSEM.  
9. 9S-2391 [1] SEAL  
10. 9S-2256 [1] GASKET  
11. 9S-2261 [1] COLLAR  
12. 2F-5721 [1] BEARING  
13. 2P-5616 [1] FRAME  
14. 3B-4502 [4] LOCKWASHER  
15. 9S-2009 [4] BOLT  
16. 9S-2391 [1] SEAL  
17. 9S-2254 [1] COLLAR  
18. 9S-2252 [1] SLINGER  
19. 9S-2008 [4] SCREW  
20. 9S-2258 [1] FAN AND BAFFLE ASSEM.  
21. 7F-7621 [1] WASHER  
22. 2K-4821 [1] LOCKNUT  
 

#UEG0797S0369
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 1 of 2--Type 2
Serial No. 78P12221-Up
Part of 2P7836 Alternator Group shown on Page 212A
c162528 UEG0797S
5S9088 ALTERNATOR GP-CHARGING Parts scheme
  For full view, you need register

Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2260 [1] PLATE  
2. 9S-2544 [4] SCREW  
3. 8H-0878 [6] LOCKWASHER  
4. 9S-2438 [2] SCREW  
5. 7H-2079 [7] LOCKWASHER  
6. 9S-2255 [1] COVER  
7. 9S-2262 [1] GASKET  
8. 9S-2246 [1] LEAD ASSEM.  
9. 9S-9830 [1] SCREW  
10. 8F-1326 [3] WASHER  
11. 9B-7233 [3] LOCKWASHER (shake proof)  
12. 9S-9829 [1] SCREW ASSEM.  
13. 4B-2043 [4] NUT  
14. 7N-0129 C [1] REGULATOR ASSEM.  
15. 9S-2250 [1] GROMMET  
16. 9S-2542 [1] SCREW  
17. 9S-2437 [5] SCREW  
18. 9S-2389 [1] STUD ASSEM.  
19. 7N-0174 C [1] HOUSING ASSEM.  
    (Includes)
20. 9N-0943 [1] PLUG  
21. 5P-3418 [1] BEARING  
22. 9S-2396 [1] BUSHING  
23. 9S-2292 [1] HEAT SINK ASSEM.  
24. 9S-2300 [4] INSULATOR  
25. 9S-9830 [4] SCREW  
  9S-2247 [4] WASHER (spring)  
  4B-4863 [4] WASHER (plain)  
26. 9S-2007 [3] SCREW  
27. 9S-2301 [1] INSULATION  
  9S-2013 A [1] KIT (terminal relay)  
    (Consists of Bushing, "O" Ring and Hardware)
  9S-2012 A [1] KIT (terminal output)  
    (Consists of Gaskets, Terminal and Hardware)
  9S-2290 A [1] KIT (heat sink)  
    (Diode Junction Hardware)
  9S-2291 A [1] KIT (heat sink)  
    (Positive Diode Hardware)
  A   NOT PART OF THIS GROUP
  C   INDICATES CHANGE
 

Information:

Engine News
Caterpillar Remanufactured Electric Starting Motors Are Improved {1453}
2011/05/16
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}
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
3304 VEHICULAR ENGINE
Starter Magnetic Switches
3304 VEHICULAR ENGINE
Starter Solenoids
3304 VEHICULAR ENGINE
Disassembly and Assembly
Electric Starting Motor
3304 VEHICULAR ENGINE FOR 950 WHEEL LOADER
Service Magazine
Caterpillar Electric Starting Motors{1453,1407}
1982/03/22
Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28
Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10
New Electric Starting Motor Has Longer Brush Life{1453}
1977/11/14
12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors{1407}
1987/02/16
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16
Testing The Starter On The Engine{1401,1450}
1987/05/04
Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25
Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14
Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14
Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05
Limitations On Engine Cranking Time{1453,1401}
1989/03/27
Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24
New PRELUB Systems Available For Medium To Large Caterpillar Construction Equipment {1319}
1992/04/06
0R5207 Remanufactured Starter May Not Fit In Some Applications{1453}
1993/11/29
Examine Failed Starting Motors to Understand the Reason for Failure {1453}
2002/10/28

Caterpillar Parts SIS Catalog 950 :

STARTING MOTOR GROUP
4N-7901 STARTING MOTOR GROUP
3P-0006 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
3P-0006 STARTING MOTOR GP-ELECTRIC
4N-7902 MOTOR GROUP
MOTOR GROUP
4N-7902 MOTOR GROUP
2P-2502 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
2P-2502 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
7S-4090 STARTING MOTOR GP-ELECTRIC
SWITCH AS-SOLENOID
6N-5123 SWITCH AS-SOLENOID
SOLENOID AS
9S-7976 SOLENOID AS
ALTERNATOR GP-CHARGING
2P-7836 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
2P-7836 ALTERNATOR GP-CHARGING
GLOW PLUG GP
5S-8500 GLOW PLUG GP
ALTERNATOR GP-CHARGING
2P-7836 ALTERNATOR GP-CHARGING
ALTERNATOR GP-CHARGING
5S-9088 ALTERNATOR GP-CHARGING
5S-9088 ALTERNATOR GP-CHARGING

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- Wheel Loaders
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- Wheel Loaders
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- Wheel Loaders
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