207-1556 STARTING MOTOR GP-ELECTRIC 24-VOLT PART OF 102-5836 STARTING MOTOR GP-ELECTRIC FIELD REPLACEMENT FOR @@@@@ 6V-5539@@@@@, @@@@@ 6V-5582@@@@@ AN ATTACHMENT C-12

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

0. 207-1556 STARTING M
1. 3E-7863 STARTING M
2. 6V-5539 STARTING M
3. 6V-5540 STARTING M
4. 6V-5582 STARTING M
5. 8C-3592 STARTING M
6. 9Y-7129 STARTING M
7. 9Y-7129 STARTING M

BASIC ENGINE

ENGINE BRAKE GP

8. 143-6620 SWITCH GP-
9. 143-6632 SWITCH GP-
0. INFORMATION

TRUCK ENGINE C-12 TRUCK ENGINE 9NS
C-12 Truck Engine 9NS00001-UP SEBP2697 C-12 9NS (1997)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

207-1524 STARTING MOTOR GP-ELECTRIC

207-1537 STARTING MOTOR GP-ELECTRIC

207-1556 STARTING MOTOR GP-ELECTRIC

3E-7863 STARTING MOTOR GP-ELECTRIC

6V-5539 STARTING MOTOR GP-ELECTRIC

6V-5540 STARTING MOTOR GP-ELECTRIC

#SEBP26971500

207-1556: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

207-1556 STARTING MOTOR GP-ELECTRIC
24-VOLT
PART OF 102-5836 STARTING MOTOR GP-ELECTRIC
FIELD REPLACEMENT FOR @@@@@ 6V-5539@@@@@, @@@@@ 6V-5582@@@@@
AN ATTACHMENT

i01592733 SEBP2697

2071556 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3434	[6]	PLUG
2.	7T-3279	[1]	HOUSING AS
3.	8T-8566	[1]	TERMINAL AS
4.	6V-8188	[4]	NUT (1/2-13-THD)
5.	7X-0562	[4]	WASHER-HARD (13.5X19X0.8-MM THK)
6.	3T-3422	[1]	WIRE AS
7.	7T-3278	[1]	HOLDER AS-BRUSH
8.	7T-3277	[1]	COIL AS-FIELD
9.	7T-3454	[1]	INSULATOR
10.	283-1107	[1]	KIT-CONNECTOR (STARTING MOTOR)
			(INCLUDES CONNECTORS, BOLT & TERMINAL-STARTER)
11.	7T-3451	[1]	KIT-INSULATOR (STARTING MOTOR)
			(INCLUDES INSULATORS & GROMMET)
12.	8T-8569	[1]	INSULATOR-TERMINAL
13.	5S-7349	[4]	BOLT (1/4-20X0.5-IN)
14.	8T-4205	[4]	WASHER-HARD (7.2X14.5X2-MM THK)
15.	8H-1141	[4]	SHOE-POLE
16.	3R-8797	[8]	SCREW & WASHER AS (3/8-24X0.72-IN)
17.	7T-3276	[1]	ARMATURE AS (24-VOLT)
18.	3E-7775	[1]	HOUSING AS
19.	4M-1831	[1]	PLUG-LEVER HOUSING
20.	7L-2894	[1]	GASKET
21.	0S-1597	[5]	BOLT (1/4-28X1-IN)
22.	6N-3826	[1]	DRIVE AS-MOTOR
23.	7T-3974	[1]	HOUSING AS-DRIVE
24.	7X-3373	[6]	BOLT (5/16-18X0.88-IN)
25.	548-9596	[1]	KIT-SOLENOID (24-VOLT)(INSULATED)
			(INCLUDES BOLT, NUTS, & CONNECTORS)
26.	6V-8378	[3]	NUT (10-32-THD)
27.	8F-1434	[2]	LOCKWASHER
28.	8T-0328	[3]	WASHER-HARD (5.5X10X1-MM THK)
29.	9X-4824	[1]	COVER-STARTING MOTOR
30.	8T-9884	[1]	KIT-INSULATOR (STARTING MOTOR)
			(INCLUDES INSULATORS & BUSHING)
31.	8C-3655	[1]	KIT-BRUSH (STARTING MOTOR)
			(INCLUDES BRUSHES, SPRINGS, SCREWS, SCREW ASSEMBLIES & SEAL)
32.	7T-3268	[1]	KIT-LEVER (STARTING MOTOR)
			(INCLUDES LEVER ASSEMBLIES, SEAL, NUT, GASKET & RETAINER)

			AVAILABLE REPAIR KIT(S):
	7T-3267	[1]	KIT-BUSHING (STARTING MOTOR)
			(INCLUDES BUSHINGS, WICKS, CUPS, SEALS, GASKET, SCREW AS, WASHERS, SPACER & NUT)

#SEBP26971501

3E-7863: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

3E-7863 STARTING MOTOR GP-ELECTRIC
12 VOLT
FIELD REPLACEMENT ORDER @@@@@207-1524@@@@@
FIELD REPLACEMENT FOR @@@@@ 8C-3592@@@@@

i00363278 SEBP2697

3E7863 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3434	[6]	PLUG
2.	7T-3279	[1]	HOUSING AS
3.	8T-8566	[1]	TERMINAL AS
4.	6V-8188	[5]	NUT (1/2-13-THD)
5.	7X-0562	[5]	WASHER-HARD (13.5X19X0.8-MM THK)
6.	3T-3422	[1]	WIRE AS
7.	8T-8570	[1]	HOLDER AS-BRUSH
8.	8T-8568	[1]	COIL AS-FIELD
9.	7T-3454	[1]	INSULATOR
10.	7T-3271	[1]	CONNECTOR
11.	7T-3451	[1]	KIT-INSULATOR (STARTING MOTOR)
12.	8T-8569	[1]	INSULATOR-TERMINAL
13.	5S-7349	[4]	BOLT (1/4-20X0.5-IN)
14.	8T-4205	[4]	WASHER-HARD (7.2X14.5X2-MM THK)
15.	8H-1141	[4]	SHOE-POLE
16.	3F-0379	[8]	SCREW-POLE SHOE (3/8-24-THD)
17.	7T-3275	[1]	ARMATURE AS (12-VOLT)
18.	3E-7775	[1]	HOUSING AS
19.	4M-1831	[1]	PLUG-LEVER HOUSING
20.	7L-2894	[1]	GASKET
21.	036-9823	[5]	BOLT (1/4-28X1-IN)
22.	6N-3826	[1]	DRIVE AS-MOTOR
23.	7T-3974	[1]	HOUSING AS-DRIVE
24.	7X-3373	[6]	BOLT (5/16-18X0.88-IN)
25.	3E-5449	[1]	SOLENOID AS-STARTING MOTOR (12-VOLT)
26.	6V-8378	[2]	NUT (10-32-THD)
27.	8F-1434	[2]	LOCKWASHER
28.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
29.	9X-4824	[1]	COVER-STARTING MOTOR
30.	7T-3270	[1]	PLUNGER AS
31.	036-9821	[1]	WASHER
32.	4M-1828	[1]	RETAINER-SPRING
33.	7T-3269	[1]	BOOT
34.	9M-7609	[1]	SPRING (SHIFT LEVER)
35.	4M-1827	[1]	RETAINER-SPRING
36.	2H-3429	[1]	RING-RETAINING

			AVAILABLE REPAIR KIT(S):
	8T-9884	[1]	KIT-INSULATOR (STARTING MOTOR)
			(INCLUDES INSULATORS & BUSHING)
	8T-9885	[1]	KIT-BRUSH (STARTING MOTOR)
			(INCLUDES BRUSH, SPRING, SCREW, SCREW AS, & SEAL)
	7T-3267	[1]	KIT-BUSHING (STARTING MOTOR)
			(INCLUDES BUSHINGS, WICKS, CUPS, SCREW AS, WASHER, SPACER, NUT, SEALS, & GASKET)
	7T-3268	[1]	KIT-LEVER (STARTING MOTOR)
			(INCLUDES LEVER AS, SEALS, NUT, GASKET, & RETAINER)

#SEBP26971502

6V-5539: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

6V-5539 STARTING MOTOR GP-ELECTRIC
24-VOLT
PART OF 102-5836 STARTING MOTOR GP-ELECTRIC
FIELD REPLACEMENT ORDER @@@@@207-1556@@@@@
FIELD REPLACEMENT FOR @@@@@ 6V-5540@@@@@
AN ATTACHMENT

i01623107 SEBP2697

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
6V-5582 Y	[1]	STARTING MOTOR GP-ELECTRIC (24-VOLT)
		-OR-
106-8554 Y	[1]	STARTING MOTOR GP-ELECTRIC (24-VOLT)
		-OR-
6V-5540 Y	[1]	STARTING MOTOR GP-ELECTRIC (24-VOLT)
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP26971503

6V-5540: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

6V-5540 STARTING MOTOR GP-ELECTRIC
24-VOLT
PART OF 6V-5539 STARTING MOTOR GP-ELECTRIC
FIELD REPLACEMENT ORDER @@@@@ 6V-5539@@@@@
AN ATTACHMENT

i00090188 SEBP2697

6V5540 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7X-0562	[5]	WASHER-HARD (13.5X19X0.8-MM THK)
2.	8T-4244 M	[5]	NUT (M12X1.75-THD)
3.	5C-2874 M	[2]	NUT (M5X0.8-THD)
4.	8F-1434	[2]	LOCKWASHER
5.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
	M		METRIC PART

#SEBP26971504

6V-5582: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

6V-5582 STARTING MOTOR GP-ELECTRIC
24-VOLT
PART OF 6V-5539 STARTING MOTOR GP-ELECTRIC
FIELD REPLACEMENT ORDER @@@@@207-1556@@@@@
AN ATTACHMENT

i00090189 SEBP2697

6V5582 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-8188	[3]	NUT (1/2-13-THD)
2.	7X-0562	[3]	WASHER-HARD (13.5X19X0.8-MM THK)
3.	4B-2049	[1]	NUT (10-32-THD)
4.	8F-1434	[1]	LOCKWASHER
5.	8T-0328	[1]	WASHER-HARD (5.5X10X1-MM THK)
6.	8T-4133 M	[1]	NUT (M10X1.5-THD)
7.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
8.	3E-0142	[1]	HOUSING AS
9.	3E-0141	[1]	STOP-STARTING MOTOR
10.	4N-7521	[1]	RING-LOCK
11.	3E-0146	[1]	DRIVE AS-STARTING MOTOR
12.	3E-0144	[1]	HOUSING AS
13.	3E-0140	[1]	LEVER AS-STARTING MOTOR
14.	3E-0138	[1]	ARMATURE AS (24-VOLT)
15.	3E-0137	[1]	HOLDER AS-BRUSH (STARTING MOTOR)
16.	3E-0135	[1]	SOLENOID AS (24-VOLT)(STARTING MOTOR)
17.	3E-0125	[1]	COVER AS-STARTING MOTOR
18.	3E-0139	[1]	HOUSING AS
19.	3E-0136	[1]	HOUSING AS
20.	3E-0132	[1]	CONNECTOR
21.	3E-0133	[1]	WIRE AS-STARTING MOTOR
22.	3E-0134	[1]	COVER-PLUNGER

			AVAILABLE REPAIR KIT(S):
	3E-0127	[1]	KIT-BEARING
			(INCLUDES BEARINGS, SEAL & BUSHING)
	3E-0128	[1]	KIT-BRUSH (24-VOLT)
			(INCLUDES O-RINGS, SCREW, SPRING & BRUSH)
	3E-0129	[1]	KIT-HARDWARE (24-VOLT)
			(INCLUDES WASHERS, BOLTS, LOCKWASHERS, NUTS, BUSHINGS & PLATE)
	3E-0145	[1]	KIT-STARTING MOTOR PIN (24-VOLT)
			(INCLUDES O-RINGS, SHAFT & RING)
	3E-0130	[1]	KIT-STARTING MOTOR SEAL (24-VOLT)
			(INCLUDES SEAL & O-RINGS)
	3E-0131	[1]	KIT-WASHER (24-VOLT)
			(INCLUDES WASHERS)
	M		METRIC PART

#SEBP26971505

8C-3592: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

8C-3592 STARTING MOTOR GP-ELECTRIC
S/N 9NS1148-19786
PART OF 9Y-7129 STARTING MOTOR GP-ELECTRIC
FIELD REPLACEMENT ORDER @@@@@ 3E-7863@@@@@
ALSO AN ATTACHMENT

i00428303 SEBP2697

8C3592 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5S-7349	[4]	BOLT (1/4-20X0.5-IN)
2.	3T-3434	[6]	PLUG
3.	2H-3429	[1]	RING-RETAINING
4.	6V-8378	[2]	NUT (10-32-THD)
5.	8F-1434	[2]	LOCKWASHER
6.	7T-3271	[1]	CONNECTOR
7.	8T-4205	[4]	WASHER-HARD (7.2X14.5X2-MM THK)
8.	036-9823	[5]	BOLT (1/4-28X1-IN)
9.	8T-8568	[1]	COIL AS-FIELD
10.	3F-0379	[8]	SCREW-POLE SHOE (3/8-24-THD)
11.	7T-3275	[1]	ARMATURE AS (12-VOLT)
12.	8H-1141	[4]	SHOE-POLE
13.	7T-3454	[1]	INSULATOR
14.	7T-3279	[1]	HOUSING AS
15.	8T-8570	[1]	HOLDER AS-BRUSH
16.	3T-3422	[1]	WIRE AS
17.	8T-8566	[1]	TERMINAL AS
18.	7L-2894	[1]	GASKET
19.	6V-8188	[4]	NUT (1/2-13-THD)
20.	7X-0562	[4]	WASHER-HARD (13.5X19X0.8-MM THK)
21.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
22.	7T-3451	[1]	KIT-INSULATOR (STARTING MOTOR)
23.	8T-8569	[1]	INSULATOR-TERMINAL
24.	3E-5449	[1]	SOLENOID AS-STARTING MOTOR (12-VOLT)
25.	036-9821	[1]	WASHER
26.	7T-3269	[1]	BOOT
27.	7T-3270	[1]	PLUNGER AS
28.	9M-7609	[1]	SPRING (SHIFT LEVER)
29.	4M-1828	[1]	RETAINER-SPRING
30.	4M-1827	[1]	RETAINER-SPRING
31.	4M-1831	[1]	PLUG-LEVER HOUSING
32.	3E-7775	[1]	HOUSING AS
33.	7T-3974	[1]	HOUSING AS-DRIVE
34.	7X-3373	[6]	BOLT (5/16-18X0.88-IN)
35.	6N-3826	[1]	DRIVE AS-MOTOR
36.	Z	[1]	HOUSING
37.	JZ	[4]	SPRING
38.	JZ	[4]	BRUSH
39.	JZ	[4]	SCREW
40.	JPZ	[6]	SCREW AS
41.	JPZ	[2]	SEAL-O-RING
42.	LZ	[3]	INSULATOR
	LZ	[1]	BUSHING
43.	Z	[1]	LEVER AS
44.	NZ	[1]	LEVER AS
45.	NPZ	[1]	NUT
46.	NPZ	[1]	SEAL-O-RING
47.	PZ	[1]	SEAL-O-RING
48.	NPZ	[1]	RETAINER
49.	PZ	[1]	GASKET
50.	PZ	[1]	BUSHING
51.	PZ	[2]	PLUG-CUP
52.	PZ	[1]	PLUG-CUP
53.	PZ	[1]	PLUG-CUP
54.	PZ	[1]	PLUG
55.	PZ	[1]	PLUG
56.	PZ	[1]	BUSHING
57.	PZ	[1]	WASHER
58.	NZ	[1]	SEAL-O-RING
59.	NZ	[1]	SEAL-O-RING
60.	PZ	[1]	RETAINER (SEAL)
61.	PZ	[1]	SPACER
62.	PZ	[1]	BUSHING

			AVAILABLE REPAIR KIT(S):
	8T-9885 J	[1]	KIT-BRUSH (STARTING MOTOR)
	7T-3267 P	[1]	KIT-BUSHING (STARTING MOTOR)
	7T-3268 N	[1]	KIT-LEVER (STARTING MOTOR)
	8T-9884 L	[1]	KIT-INSULATOR (STARTING MOTOR)
	J		KIT MARKED J INCLUDES PART(S) MARKED J
	L		KIT MARKED L INCLUDES PART(S) MARKED L
	N		KIT MARKED N INCLUDES PART(S) MARKED N
	P		KIT MARKED P INCLUDES PART(S) MARKED P
	Z		NOT SERVICED SEPARATELY

#SEBP26971506

9Y-7129: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9Y-7129 STARTING MOTOR GP-ELECTRIC
S/N 9NS1148-19786
12-VOLT. STARTING AID RECOMMENDED BELOW 0 DEG CELSIUS (32 DEG F)
ALSO AN ATTACHMENT

i00445969 SEBP2697

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
8C-3592 Y	[1]	STARTING MOTOR GP-ELECTRIC
8S-2332	[3]	BOLT-12 POINT HEAD (5/8-11X1.75-IN)
4H-7869	[1]	GASKET
Y		SEPARATE ILLUSTRATION

#SEBP26971507

9Y-7129: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9Y-7129 STARTING MOTOR GP-ELECTRIC
12-VOLT. STARTING AID RECOMMENDED BELOW 0 DEG CELSIUS (32 DEG F)
AN ATTACHMENT

i01602766 SEBP2697

9Y7129 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8S-2332	[3]	BOLT-12 POINT HEAD (5/8-11X1.75-IN)
2.	207-1537 CY	[1]	STARTING MOTOR GP-ELECTRIC
3.	4H-7869	[1]	GASKET
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP26971508

143-6620: SWITCH GP-ENGINE BRAKE

SWITCH GP-ENGINE BRAKE

143-6620 SWITCH GP-ENGINE BRAKE
PART OF 143-6652 CONTROL GP-ENGINE BRAKE
FOR USE WITH JAKE BRAKE

i00672251 SEBP2697

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
143-6692	[1]	PLATE-SWITCH
143-6632 Y	[1]	SWITCH GP-ENGINE BRAKE
143-6633 Y	[1]	SWITCH GP-ENGINE BRAKE
	[1]	SWITCH-TOGGLE (LOW IDLE POSITION)
Y		SEPARATE ILLUSTRATION

#SEBP26971509

143-6632: SWITCH GP-ENGINE BRAKE

SWITCH GP-ENGINE BRAKE

143-6632 SWITCH GP-ENGINE BRAKE
PART OF 143-6620 SWITCH GP-ENGINE BRAKE
FOR USE WITH JAKE BRAKE

i00673043 SEBP2697

For full view, you need register

Parts for your C-12 TRUCK ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(INDIVIDUAL PARTS ARE NOT SERVICED SEPARATELY)

Information:

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

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

Truck Engine News

New Starting Motors Used {1453}
2002/05/01

Cold Weather Operation Reminder {1000, 1250, 1350, 1355, 1450, 1453, 1456}
2005/08/01

Operation and Maintenance Manual

Starting the Engine
3406E, C-10 and C-12 Truck Engines

Cold Start Strategy
3406E, C-10 and C-12 Truck Engines

Starting Recommendations
Cold Weather Recommendations for On-Highway Diesel Truck Engines

Cold Weather Recommendation Charts
Cold Weather Recommendations for On-Highway Diesel Truck Engines

Special Instruction

Caterpillar PRELUB® Diagnostics{1469}
Caterpillar PRELUB^® Diagnostics{1469}

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® 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® 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® Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat^® Products {1453}

Specifications

Electric Starting Motor
C-10 and C-12 Truck Engines

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

Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors

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

Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
Starting Motor - Delco 50-MT

Starting Motor Continues to Operate after Start Switch Has Been Released
Starting Motor - Delco 50-MT

Pinion Continues to Engage after Engine Starts
Starting Motor - Delco 50-MT

Starting Motor Does Not Turn or Turns Slowly
Starting Motor - Delco 50-MT

Disassembly and Assembly

Electric Starting Motor - Remove and Install
C-10 and C-12 Truck Engines

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

Caterpillar Parts SIS Catalog C-12 :

207-1537 STARTING MOTOR GP-ELECTRIC

207-1524 STARTING MOTOR GP-ELECTRIC

106-8554 STARTING MOTOR GP-ELECTRIC

102-5836 STARTING MOTOR GP-ELECTRIC

102-2240 SENSOR GP-TEMPERATURE

265-9033 SENSOR GP-SPEED

129-6628 SENSOR GP-SPEED

3E-7863 STARTING MOTOR GP-ELECTRIC

6V-5539 STARTING MOTOR GP-ELECTRIC

6V-5540 STARTING MOTOR GP-ELECTRIC

6V-5582 STARTING MOTOR GP-ELECTRIC

8C-3592 STARTING MOTOR GP-ELECTRIC

9Y-7129 STARTING MOTOR GP-ELECTRIC

143-6620 SWITCH GP-ENGINE BRAKE