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4N3182 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3 Part of 7S3622 Electric Starting Motor Group shown on Page 31 Only separate parts serviced. When complete Group is required order 4N3181 120G




ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
 

#UEG0878S0040
 

4N-3182: STARTING MOTOR GP-ELECTRIC

4N3182 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3
Part of 7S3622 Electric Starting Motor Group shown on Page 31
Only separate parts serviced. When complete Group is required order 4N3181
c152722 UEG0878S
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Parts for your 120G MOTOR GRADER:

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.  
    (Includes)
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.  
    (Includes)
20. 4M-1896 [1] BUSHING  
21. 4M-1833 [5] SCREW 1.50 in. (38.10 mm) long  
  7M-0336 [1] SCREW .875 in. (22.23 mm) long  
22. 6N-3827 CA [1] DRIVE ASSEM. (480118)  
    - OR -
  2P-4708 [1] DRIVE ASSEM. (800068)  
    (Includes)
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 FOR 2P4708 DRIVE ASSEM.:
  9S-9825 [1] KIT (cup)  
    (Includes Cup and Washers)
  4S-9459 [1] KIT (washer)  
    (Includes Cup and Washers)
  A   NOT PART OF THIS GROUP
  C   INDICATES CHANGE
 

#UEG0878S0041
 

3P-0078: ALTERNATOR

ALTERNATOR (3P78 N/S)
3P77 Alternator parts are shown on Page 38A
c153647 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1618 [2] BOLT  
  9M-1974 [2] WASHER  
2. 6N-0904 [1] BRACKET  
3. 3P-0077 Y [1] ALTERNATOR GROUP  
    (Separate Illustration)
4. 9S-1240 [2] NUT ASSEM.  
5. 9F-8885 [1] SPACER  
6. 9S-1366 [1] BOLT  
7. 2M-0849 [2] WASHER  
8. 7F-3425 [1] BOLT  
  1D-4717 [1] NUT  
  5M-2894 [2] WASHER  
9. 1D-4574 [1] BOLT  
10. 6N-0903 [1] BRACKET  
11. 5B-0546 [1] SPACER  
12. 6N-0905 [1] SPACER  
13. 0T-0883 [2] WASHER  
  3L-6670 [2] RETAINER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0878S0042
 

9D-8760: ALTERNATOR GROUP

9D8760 ALTERNATOR GROUP--24 Volt, 50 Ampere
3P63 Alternator parts are shown on Page 39
AN ATTACHMENT
c153462 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-7529 [1] WIRE ASSEM.  
    (Includes)
  5P-0497 H WIRE 4.06 dm(16 in.)  
2. 4L-3916 [1] TERMINAL  
3. 3P-0063 Y [1] ALTERNATOR GROUP  
    (Separate Illustration)
4. 9D-8711 [1] HARNESS ASSEM.  
    (Includes)
  5P-0497 H WIRE (14 - 16 gauge)  
  5P-0611 WIRE (8 gauge)  
  7D-1314 [1] TERMINAL (ground)  
5. 4L-3916 [1] TERMINAL  
6. 0S-1616 [1] BOLT  
  1B-4330 [1] NUT  
  3B-4504 [1] LOCKWASHER  
7. 8D-6812 [2] WIRE ASSEM.  
    (Each Includes)
  5P-0497 H WIRE .81 dm(3.19 in.)  
8. 6H-6756 [1] TERMINAL  
9. 4L-3916 [1] TERMINAL  
10. 9D-8661 C [1] RELAY  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE DECIMETRE
 

#UEG0878S0043
 

3P-0077: ALTERNATOR GROUP

3P77 ALTERNATOR GROUP--24 Volt, 40 Ampere
Part of Alternator shown on Page 38
c207450 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-1209 [1] STATOR ASSEM.  
    (Includes)
2. 065-5516 [3] CLIP  
3. 2N-3479 [3] SCREW  
  3B-4502 [3] LOCKWASHER  
4. 4M-4145 [1] BEARING  
5. 9N-1196 [1] BAFFLE  
6. 9N-1192 [1] COLLAR  
7. 2K-4821 [1] NUT  
  7F-7621 [1] WASHER  
8. 9N-1208 [1] ROTOR ASSEM.  
9. 9N-1197 [1] PLATE  
10. 9N-1210 [1] FAN ASSEM.  
11. 9N-1198 [1] FRAME  
12. 9N-1201 [1] FRAME ASSEM.  
    (Includes)
13. 032-9648 [1] BEARING  
14. 9L-6770 [1] CAP  
15. 065-5517 [4] BOLT  
16. 9N-1204 [1] HOLDER ASSEM.  
    (Includes)
17. 031-1191 [2] SPRING  
18. 9N-1206 [1] SCREW  
19. 6N-1874 C [1] REGULATOR ASSEM.  
20. 6N-1869 [1] NUT  
21. 9L-6769 [1] LEAD ASSEM.  
22. 4B-2043 [3] NUT  
23. 9N-1203 [1] RECTIFIER ASSEM.  
24. 9N-1202 [1] DIODE ASSEM.  
25. 9L-6785 [1] SCREW  
26. 3N-3745 [1] CAPACITOR ASSEM.  
27. 6N-6117 C [2] SCREW  
28. 3N-3718 [2] SCREW ASSEM.  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9L-6786 KIT (relay terminal)  
    (Consists of Terminal & Hardware)
  9N-1205 KIT (Battery terminal)  
    (Consists of Insulator and Hardware)
  C   INDICATES CHANGE
 

#UEG0878S0044
 

3P-0063: ALTERNATOR GROUP

3P63 ALTERNATOR GROUP--24 Volt, 50 Ampere
Part of 9D8760 Alternator Group
5S9088 Alternator parts are shown on Pages 40 and 41
c207475 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [1] BOLT  
  1D-4719 [1] NUT  
2. 2M-0849 [3] WASHER .188 in.(4.78 mm)thick  
3. 7B-3235 [1] BOLT  
  0T-0883 [1] WASHER .065 in.(1.65 mm)thick  
4. 8S-4183 [1] STRAP  
5. 1A-2029 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
6. 1H-6936 C [1] WIRE ASSEM.  
    (Includes)
  5P-3960 H WIRE 2.10 dm(8.25 in.)  
  2L-8060 [1] TERMINAL  
7. 2L-8058 [1] TERMINAL  
8. 5S-9088 RY [1] ALTERNATOR GROUP  
    (Separate Illustration)
9. 9H-8260 [1] BOLT  
  9S-1240 [1] NUT ASSEM.  
10. 9S-6129 [1] PULLEY  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE DECIMETRE
  C   INDICATES CHANGE
 

#UEG0878S0045
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ARRANGEMENT--Part 1 of 2
Part of 3P63 Alternator Group shown on Page 39
c202886 UEG0878S
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Parts for your 120G MOTOR GRADER:

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
 

#UEG0878S0046
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--Part 2 of 2
Part of 3P63 Alternator Group shown on Page 39
c113560 UEG0878S
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Parts for your 120G MOTOR GRADER:

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  
 

#UEG0878S0047
 

9D-3370: BATTERY AND WIRING

BATTERY AND WIRING (9D3370 N/S)--24 Volt--Part 1 of 5
See Page 47 for Wiring Diagram
c154817 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 C [10] TIE  
2. 9D-8674 [1] HARNESS ASSEM.  
    (Includes)
  5P-0497 J WIRE (14 gauge)  
  5P-0611 J WIRE (8 gauge)  
3. 4L-3916 [4] TERMINAL  
4. 7D-1314 [1] TERMINAL  
5. 5P-3145 [1] TERMINAL  
6. 5D-8214 [1] RESISTOR  
7. 4B-2051 [1] NUT  
8. 9D-6637 [1] WIRE ASSEM.  
    (Includes)
  5P-0497 J WIRE 3.05 dm(12 in.)  
9. 8M-0537 [1] TERMINAL  
10. 2D-8781 [1] TERMINAL  
11. 5L-5500 [1] SWITCH (oil pressure)  
12. 3B-6768 [1] BUSHING  
    (Each Includes)
  7S-5041 [6] PLUG  
14. 9D-6635 [2] HOLD-DOWN ASSEM.  
15. 1D-4572 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  4B-4280 [4] WASHER  
16. 7D-5131 [1] SWITCH ASSEM. (temperature)  
  6B-4661 C [1] BUSHING  
17. 3B-4503 [1] LOCKWASHER  
  4B-4674 [1] WASHER  
18. 8M-7407 [1] WIRE ASSEM. (heat & start)  
    (Includes)
  2D-8781 [1] TERMINAL  
  7F-9224 [1] TERMINAL (no. 10 screw)  
  7B-4826 [1] INSULATOR  
  C   INDICATES CHANGE
  J   ORDER BY THE DECIMETRE
 

#UEG0878S0048
 

9D-3370: BATTERY AND WIRING

BATTERY AND WIRING (9D3370 N/S)--24 Volt--Part 2 of 5
8D389 Lamp parts are shown on Page 49
See Page 47 for Wiring Diagram
c152159 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0102 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
2. 8D-2033 [1] HARNESS ASSEM.  
    (Includes)
  4S-8727 H WIRE (16 gauge)  
3. 5K-1143 [4] TERMINAL  
4. 4S-1988 [3] TERMINAL  
5. 8D-0389 Y [2] LAMP GROUP  
    (Separate Illustration)
6. 9D-3819 [1] TUBE  
7. 4D-9164 [2] CLIP  
8. 0S-1616 [1] BOLT  
  1B-4330 [1] NUT  
  3B-4504 [1] LOCKWASHER  
9. 9M-8406 [1] CLIP  
10. 3S-2093 [6] TIE  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
 

#UEG0878S0049
 

9D-3370: BATTERY AND WIRING

BATTERY AND WIRING (9D3370 N/S)--24 Volt--Part 3 of 5
See Page 47 for Wiring Diagram
c152160 UEG0878S
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9D-1978 [1] CABLE ASSEM.  
    (Includes)
  5P-0746 H CABLE 172.72 cm(86 in.)  
2. 3D-2098 [2] TERMINAL ASSEM.  
    (Each Includes)
3. 1M-6119 [1] NUT  
  1M-6120 [1] BOLT  
4. 9D-3822 [1] CABLE ASSEM.  
    (Includes)
  5P-0746 H CABLE 345.44 cm(136 in.)  
  1M-4986 [1] TERMINAL (.531 in. hole)  
  1S-7252 [1] TERMINAL (.406 in. hole)  
5. 5H-0845 C [1] CABLE ASSEM.  
    (Includes)
  5P-0746 H CABLE 61.60 cm(24.25 in.)  
  1M-4986 [1] TERMINAL  
6. 3D-2098 [1] TERMINAL ASSEM.  
    (Includes)
7. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
8. 0S-0509 C [2] BOLT  
  3B-4506 C [2] LOCKWASHER  
9. 5M-0851 [1] CABLE ASSEM.  
    (Includes)
  5P-0746 H CABLE 325.12 cm(128 in.)  
  1S-7252 [1] TERMINAL  
10. 3D-2098 [1] TERMINAL ASSEM.  
    (Includes)
11. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
12. 4K-6177 [2] CLIP (large)  
13. 8M-2770 C [4] CLIP (small)  
14. 1C-0569 C [1] BOLT  
15. 3B-4505 C [1] LOCKWASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETRE
 

Information:

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}
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 & 3306 VEHICULAR ENGINES FPR 14G. 12G, 120G, 130G, & 12
Service Magazine

Caterpillar Parts SIS Catalog 120G :

Truck sale:

 
Caterpillar 120G
- motor graders
HOLT CAT
 
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Caterpillar 120G, motor graders, Construction
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Caterpillar H120GCS.CW40S, hammer, Construction
- hammer
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32,000 
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- motor graders
FOLEY EQUIPMENT COMPANY
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