9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 1 of 2--Type 1 Effective with Serial No. 66D1930 Part of 1N9879 Starting Motor Group shown on Page 38A-2 3306

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

0. 9L-3597 STARTING M
1. 9L-3597 STARTING M
2. 9L-3597 STARTING M
3. 9L-3597 STARTING M
4. 9L-3597 STARTING M
5. 9L-3597 STARTING M

ALTERNATOR GP-CHARGING

6. 8L-5001 ALTERNATOR
7. 8L-5001 ALTERNATOR
8. 8L-5003 ALTERNATOR
9. 3N-1380 ALTERNATOR
0. INFORMATION

INDUSTRIAL ENGINE 3306 INDUSTRIAL ENGINE 66D
D333C ENGINE 66D00001-08890 UE070091 3306 66D (1972)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

4N-3347 MOTOR GROUP

9L-3597 STARTING MOTOR GP-ELECTRIC

#UE0700910130

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 1 of 2--Type 1
Effective with Serial No. 66D1930
Part of 1N9879 Starting Motor Group shown on Page 38A-2

c104872 UE070091

9L3597 STARTING MOTOR GP-ELECTRIC Parts scheme

For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
7F-4545	[1]	PLATE
5H-6467	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
4M-1891	[1]	PLATE ASSEM.
7F-4549	[2]	PLATE
3H-3697	[2]	PIN
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-3512	[8]	SPRING
		(PARTS OF PLATE ASSEM. 4M1846)
4M-1849	[1]	LEAD ASSEM.
7F-4556	[4]	BOLT
8H-3481	[4]	LOCKWASHER
7F-3491	[2]	WASHER
4M-1848	[1]	INSULATOR
1D-4719	[1]	NUT
9F-4976	[1]	LOCKWASHER
3H-3680	[1]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER
4M-1847	[1]	BUSHING
8F-9206	[1]	SEAL
4M-1846	[1]	PLATE ASSEM.
9F-9298	[8]	SCREW
2L-6679	[2]	PLATE
4B-1311	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4546	[4]	HOLDER
7F-3522	[2]	SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4550	[1]	PLATE
		(PARTS OF PLATE ASSEM. 4M1846)
7F-4556	[5]	BOLT
8H-3481	[5]	LOCKWASHER
4M-1831	[1]	PLUG
7L-2894	[1]	GASKET
8L-5265	[1]	HOUSING ASSEM.

#UE0700910131

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 2 of 2--Type 1
Effective with Serial No. 66D1930
Part of 1N9879 Starting Motor Group shown on Page 38A-2
7L6586 Switch parts are shown on Page 34H

c104871 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-1841	[1]	CONNECTOR
3H-3680	[2]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER (.031" THICK)
9H-3757	[2]	WASHER (.093" THICK)
3L-3380	[1]	BUSHING
2F-2860	[8]	SCREW
8H-0878	[8]	LOCKWASHER
4M-0189	[2]	SEAL
4B-1221	[3]	SCREW
8H-0878	[3]	LOCKWASHER
7F-3529	[3]	WASHER
3S-2398	[1]	BUSHING
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(PARTS OF FRAME ASSEM. 4M1844)
2L-8166	[1]	WASHER
4M-1844	[1]	FRAME ASSEM.
5L-8732	[8]	BRUSH ASSEM.
4M-1840	[1]	INSULATOR
4M-1843	[2]	GASKET
4M-1842	[2]	PLATE
7L-2776	[4]	SCREW
7L-6587	[1]	ARMATURE ASSEM.
5L-8731	[1]	COIL ASSEM.
4M-1855	[1]	PLUNGER ASSEM.
4M-1828	[1]	RETAINER
4M-0188	[1]	WASHER
4M-1829	[1]	BOOT
6H-3622	[4]	SCREW ASSEM.
7L-6586 Y	[1]	SWITCH ASSEM.
		(SEE SEPARATE ILLUSTRATION)
8H-1141	[4]	SHOE
7F-4806	[2]	INSULATION
1M-9971	[1]	SPACER
2F-6678	[1]	SEAL
1M-9968	[1]	BUSHING
		(PARTS OF HOUSING ASSEM. 4S7899)
9M-7609	[1]	SPRING
4S-7899	[1]	HOUSING ASSEM.
4M-1827	[1]	RETAINER
9M-7611	[1]	RING
3F-2617	[1]	NUT
4M-1854	[1]	SHAFT
1H-1023	[1]	SEAL (.369" DIAMETER)
2D-6392	[1]	SEAL (.239" DIAMETER)
9M-7611	[1]	RING
4M-1853	[1]	LEVER ASSEM
4M-1851	[1]	GASKET
9M-3158	[1]	CLUTCH ASSEM.
2S-0366	[1]	PINION
		(PART OF CLUTCH ASSEM. 9M3158)
4M-1898	[1]	CUP
4M-1897	[2]	WASHER
		(PARTS OF CLUTCH ASSEM. 9M3158)
1M-9953	[1]	SPRING
		(PART OF CLUTCH ASSEM. 9M3158)
4M-1833	[5]	SCREW (1.50" LONG)
7M-0336	[1]	SCREW (86" LONG)
4L-2729	[1]	WASHER
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(PARTS OF HOUSING ASSEM. 4S7899)
		THE FOLLOWING REPAIR KIT IS AVAILABLE:
1S-8931	[1]	CUP KIT
		(CONSISTS OF TWO FLANGED CUPS AND TWO STRAIGHT EDGED CUPS)
Y		SEPARATE ILLUSTRATION

#UE0700910132

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 1 of 2--Type 2
Effective with Serial No. 66D1930
Part of 1N9879 Starting Motor Group shown on Page 38A-2

c125441 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
7F-4545	[1]	PLATE
5H-6467	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
4M-1891	[1]	PLATE ASSEM
7F-4549	[2]	PLATE
3H-3697	[2]	PIN
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-3512	[8]	SPRING
		(PARTS OF PLATE ASSEM. 4M1846)
4M-1849	[1]	LEAD ASSEM.
7F-4556	[4]	BOLT
8H-3481	[4]	LOCKWASHER
7F-3491	[2]	WASHER
4M-1848	[1]	INSULATOR
3H-3681 C	[1]	NUT
9F-4976	[1]	LOCKWASHER
3H-3680	[1]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER
4M-1847	[1]	BUSHING
4M-1837 C	[1]	BUSHING
4M-1846	[1]	PLATE ASSEM.
9F-9298	[8]	SCREW
2L-6679	[2]	PLATE
4B-1311	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4546	[4]	HOLDER
7F-3522	[2]	SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4550	[1]	PLATE
		(PARTS OF PLATE ASSEM 4M1846)
7F-4556	[5]	BOLT
8H-3481	[5]	LOCKWASHER
4M-1831	[1]	PLUG
7L-2894	[1]	GASKET
8L-5265	[1]	HOUSING ASSEM.
C		INDICATES CHANGE FROM PREVIOUS

#UE0700910133

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 2 of 2--Type 2
Effective with Serial No. 66D1930
Part of 1N9879 Starting Motor Group shown on Page 38A-2
7L6586 Switch parts are shown on Page 34H

c125440 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-1841	[1]	CONNECTOR
3H-3680	[2]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER (.031"THICK)
9H-3757	[2]	WASHER (.093"THICK)
3L-3380	[1]	BUSHING
2F-2860	[8]	SCREW
4M-0189	[2]	SEAL
4B-1221	[3]	SCREW
8H-0878	[3]	LOCKWASHER
7F-3529	[3]	WASHER
3S-2398	[1]	BUSHING
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(PARTS OF FRAME ASSEM. 4M1844)
2L-8166	[1]	WASHER
4M-1844	[1]	FRAME ASSEM.
7S-9826 C	[1]	PLUG
		(PART OF 4M1844 ASSEM.)
5L-8732	[8]	BRUSH ASSEM.
4M-1840	[1]	INSULATOR
4M-1843	[2]	GASKET
4M-1842	[2]	PLATE
7L-2776	[4]	SCREW
7L-6587	[1]	ARMATURE ASSEM.
5L-8731	[1]	COIL ASSEM.
4M-1855	[1]	PLUNGER ASSEM.
4M-1828	[1]	RETAINER
4M-0188	[1]	WASHER
4M-1829	[1]	BOOT
6H-3622	[4]	SCREW ASSEM.
7L-6586 Y	[1]	SWITCH ASSEM.
		(SEE SEPARATE ILLUSTRATION)
8H-1141	[4]	SHOE
7F-4806	[2]	INSULATION
1M-9971	[1]	SPACER
2F-6678	[1]	SEAL
1M-9968	[1]	BUSHING
		(PARTS OF HOUSING ASSEM. 4S7899)
9M-7609	[1]	SPRING
4S-7899	[1]	HOUSING ASSEM.
4M-1827	[1]	RETAINER
9M-7611	[1]	RING
3F-2617	[1]	NUT
4M-1854	[1]	SHAFT
1H-1023	[1]	SEAL (.369" DIAMETER)
2D-6392	[1]	SEAL (.239" DIAMETER)
9M-7611	[1]	RING
4M-1853	[1]	LEVER ASSEM.
4M-1851	[1]	GASKET
8S-8036 C	[1]	CLUTCH ASSEM.
4M-1833	[5]	SCREW (1.50" LONG)
7M-0336	[1]	SCREW (.86" LONG)
4L-2729	[1]	WASHER
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(PARTS OF HOUSING ASSEM. 4S7899)
C		INDICATES CHANGE FROM PREVIOUS
Y		SEPARATE ILLUSTRATION

#UE0700910134

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR GROUP ASSEMBLY--12 Volt--Part 1 of 2--Type 3
Serial No. 66D1930-Up. Part of 1N9879 Starting Motor Group shown on Page 38A-2
7L6586 Switch parts are shown on Page 34H

c217792 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-1841	[1]	CONNECTOR
3H-3680	[2]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER (031" THICK)
9H-3757	[2]	WASHER (093" THICK)
3L-3380	[1]	BUSHING
2F-2860	[8]	SCREW
4M-0189	[2]	SEAL
4B-1220	[3]	SCREW
8H-0878	[3]	LOCKWASHER
7F-3529	[3]	WASHER
3S-2398	[1]	BUSHING
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(Parts of 4M1844 Assem.)
2L-8166	[1]	WASHER
4M-1844	[1]	FRAME ASSEM.
7S-9826	[1]	PLUG
		(Part of 4M1844 Assem.)
5L-8732	[8]	BRUSH ASSEM.
2N-3145	[1]	INSULATOR
7L-2894	[2]	GASKET
4M-1831	[2]	PLUG
7L-6587	[1]	ARMATURE
5L-8731	[1]	COIL ASSEM.
9M-7606	[1]	PLUNGER ASSEM.
4M-1828	[1]	RETAINER
4M-0188	[1]	WASHER
4M-1829	[1]	BOOT
	[4]	SCREW ASSEM.
Y	[1]	SWITCH ASSEM.
		(SEPARATE ILLUSTRATION)
8H-1141	[4]	SHOE
7F-4806	[2]	INSULATION
1M-9971	[1]	SPACER
2F-6678	[1]	SEAL
1M-9968	[1]	BUSHING
		(Parts of 4S7899 Assem.)
9M-7609	[1]	SPRING
4S-7899	[1]	HOUSING ASSEM
4M-1827	[1]	RETAINER
9M-7611	[1]	RING
3F-2617	[1]	NUT
4M-1854	[1]	SHAFT
1H-1023	[1]	SEAL (369 DIAMETER)
2D-6392	[1]	SEAL (239 DIAMETER)
9M-7611	[1]	RING
2P-4708 C	[1]	DRIVE ASSEM. (1894213)
		-OR-
6N-3827 JC	[1]	DRIVE ASSEM. (480118)
		THE FOLLOWING REPAIR KITS ARE AVAILABLE FOR 2P4708 DRIVE ASSEM.
7N-6098 C	[1]	CUP KIT
		(Includes Springs and Retainer)
4S-9459	[1]	WASHER KIT
		(Includes Washers and Retainer)
9S-9771	[1]	PINION
		(Parts of 2P4708 Assem.)
4M-1851	[1]	GASKET
4M-1853	[1]	LEVER ASSEM.
4M-1833	[1]	SCREW 1.50 in.) long
7M-0336	[1]	SCREW .86 in.) long
4L-2729	[1]	WASHER
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(Parts of 4S7899 Assem.)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION
J		NOT PART OF 9L3597 MOTOR ASSEM.

#UE0700910135

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 2 of 2--Type 3
Serial No. 66D1930-Up
Part of 1N9879 Starting Motor Group shown on Page 38A-2

c201901 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
7F-4545	[1]	PLATE
5H-6467	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
9M-7652	[1]	PLATE ASSEM
7F-4549	[2]	PLATE
3H-3697	[2]	PIN
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-3512	[8]	SPRING
		(PARTS OF 4M1846 ASSEM)
4M-1849	[1]	LEAD ASSEM
7F-4556	[4]	BOLT
8H-3481	[4]	LOCKWASHER
7F-3491	[2]	WASHER
1D-4719	[1]	NUT
9F-4976	[1]	LOCKWASHER
3H-3680	[1]	NUT
9F-4976	[1]	LOCKWASHER
7F-3494	[1]	WASHER
4M-1846	[1]	PLATE
3F-0379 C	[8]	SCREW
2L-6679	[2]	PLATE
4B-1311	[2]	MACHINE SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4546	[4]	HOLDER
7F-3522	[2]	SCREW
7H-2079	[2]	LOCKWASHER
7F-3525	[2]	WASHER
7F-4550	[1]	PLATE
		(PARTS OF 4M1846 ASSEM)
7F-4556	[5]	BOLT
8H-3481	[5]	LOCKWASHER
4M-1831	[1]	PLUG
7L-2894	[1]	GASKET
		THE FOLLOWING REPAIR KIT IS AVAILABLE:
3N-3763	[1]	TERMINAL KIT
		(Consists of Bushings, Insulators & Washers)
8L-5265	[1]	HOUSING ASSEM.
C		INDICATES CHANGE

#UE0700910136

8L-5001: ALTERNATOR AND DRIVE

ALTERNATOR AND DRIVE

ALTERNATOR AND DRIVE (8L5001 N/S)--24 Volt, 35 Ampere
Serial No. 66D1 to 66D1624 inclusive. 8L5003 Alernator parts are shown on Page 40
Refer also to Page 49 for special parts

c102325 UE070091

8L5001 ALTERNATOR AND DRIVE Parts scheme

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1571	[2]	BOLT
2.	3B-4506	[4]	LOCKWASHER
3.	8L-5065	[1]	PLATE
4.	8L-5004	[1]	REGULATOR
5.	7F-6429	[1]	AMMETER
6.	0S-1616	[3]	BOLT
	3B-4504	[3]	LOCKWASHER
7.	2B-0941	[2]	SPACER
8.	2L-3402	[1]	SWITCH (Fuel Pressure)
9.	5B-7168	[1]	VEE BELT
10.	0S-1590	[1]	BOLT
11.	1D-4717	[2]	NUT
12.	4B-4278	[3]	WASHER
13.	5M-1822	[1]	WASHER
14.	3L-9689	[2]	WASHER
15.	8L-4519	[1]	STRAP
16.	8L-4510	[1]	EYE BOLT
17.	8L-4520	[2]	PLATE
18.	5B-3106	[2]	SCREW
19.	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
20.	8L-4897	[1]	PULLEY
21.	8L-5003 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
	6L-3483	[2]	COVER
		[1]	WIRING DIAGRAM
		[1]	WIRING DIAGRAM
			(Used without Automatic Start Stop)
	2L-9808	[1]	WIRING KIT GROUP
	1L-9899	[1]	MARKER (card of:)
	4S-8787		WIRE (No. 14 Gauge-11 Feet)
	4S-8773		WIRE (No. 8 Gauge-22 Feet)
	2L-9724	[10]	CLIP
	2L-8076	[3]	TERMINAL (No. 10 Screw)
	2L-8077	[3]	TERMINAL (1/4" Screw)
			(Used with No. 14 Wire)
	2L-8057	[10]	TERMINAL (No. 10 Screw)
	2L-8058	[2]	TERMINAL (1/4" Screw)
	2L-8060	[2]	TERMINAL (3/8" Screw)
	2L-8061	[3]	TERMINAL (1/2" Screw)
			(Used with No. 8 Wire)
	Y		SEPARATE ILLUSTRATION

#UE0700910137

8L-5001: ALTERNATOR AND DRIVE

ALTERNATOR AND DRIVE

ALTERNATOR AND DRIVE (8L5001 N/S)--24 Volt, 35 Ampere
Effective with Serial No. 66D1625
8L5003 Alternator parts are shown on Page 40. Refer also to Page 49 for special parts

c127371 UE070091

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-1915	[2]	BOLT
2.	3B-4506	[4]	LOCKWASHER
3.	8L-5451	[1]	BRACKET
4.	8L-5004	[1]	REGULATOR
5.	7F-6429	[1]	AMMETER
6.	6F-7027	[3]	BOLT
	3B-4504	[3]	LOCKWASHER
7.	8L-4897	[1]	PULLEY
8.	2L-3402	[1]	SWITCH (Fuel Pressure)
9.	5B-7168	[1]	VEE BELT
10.	0S-1590	[1]	BOLT
11.	1D-4717	[3]	NUT
12.	4B-4278	[3]	WASHER
13.	5M-1822	[1]	WASHER
14.	3L-9689	[2]	WASHER
15.	8L-4519	[1]	STRAP
16.	8L-4510	[1]	EYEBOLT
17.	8L-4520	[2]	PLATE
18.	5B-3106	[2]	SCREW
19.	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
20.	8L-5003 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
	6L-3483	[2]	COVER
		[1]	WIRING DIAGRAM
		[1]	WIRING DIAGRAM
			(Used without Automatic Start Stop)
	2L-9808	[1]	WIRING KIT GROUP
	1L-9899	[1]	MARKER (card of)
	4S-8787		WIRE (No. 14 Gauge-11 Feet)
	4S-8773		WIRE (No. 8 Gauge-22 Feet)
	2L-9724	[10]	CLIP
	2L-8076	[3]	TERMINAL (No. 10 Screw)
	2L-8077	[3]	TERMINAL (1/4" Screw)
			(Used with No. 14 Wire)
	2L-8057	[10]	TERMINAL (No. 10 Screw)
	2L-8058	[2]	TERMINAL (1/4" Screw)
	2L-8060	[2]	TERMINAL (3/8" Screw)
	2L-8061	[3]	TERMINAL (1/2" Screw)
			(Used with No. 8 Wire)
	Y		SEPARATE ILLUSTRATION

#UE0700910138

8L-5003: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

8L5003 ALTERNATOR ASSEMBLY--24 Volt, 35 Ampere
Part of Alternator and Drive and 1N9932 Alternator Group shown on Pages 38F, 39,
48-5 and 48-6. Only separate parts serviced. When complete
Assembly is required order 3N1380

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8L-9659	[1]	STATOR ASSEM.
2.	8L-9355	[1]	RETAINER
3.	8L-9348	[1]	INSULATOR
4.	8L-9362	[1]	GASKET
5.	8L-9364	[1]	BRUSH ASSEM.
6.	8L-9361	[1]	COVER
7.	8L-9381	[2]	SCREW
8.	8L-9380	[4]	NUT
9.	8L-9352	[10]	WASHER
10.	8L-9351	[4]	INSULATOR
11.	8L-9368	[1]	HOUSING (Rear)
12.	8L-9360	[4]	BOLT
13.	8L-9660	[1]	ROTOR ASSEM.
14.	3K-6168	[1]	SCREW
	7H-2079	[1]	LOCKWASHER
15.	8L-9350	[1]	SLIP RING ASSEM.
16.	6D-5741	[1]	BEARING
			(Parts of 8L9660 Rotor Assem.)
17.	8L-9370	[1]	HOUSING (Front)
18.	8L-9349	[4]	NUT
19.	8L-9366	[1]	FAN
20.	6D-5741	[1]	BEARING
21.	8L-9357	[1]	NUT
	5D-3184	[1]	LOCKWASHER
22.	1B-8704	[1]	KEY
23.	8L-9354	[1]	SPACER
24.	8L-9353	[1]	RETAINER
25.	8L-9375	[2]	BOLT
	8L-9377	[2]	WASHER
26.	7H-2079	[4]	LOCKWASHER
27.	4B-2047	[4]	NUT
28.	8L-9347	[3]	INSULATOR
29.	8L-9358	[1]	CABLE ASSEM.
30.	8L-9365	[1]	DIODE ASSEM. (Negative)
31.	8L-9363	[1]	DIODE ASSEM. (Positive)
			(Each consists of 3 Diodes)
32.	8L-9359	[1]	BOLT
33.	8L-9376	[2]	SCREW
34.	8L-9709	[1]	CABLE ASSEM.

#UE0700910139

3N-1380: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

3N1380 ALTERNATOR ASSEMBLY--24 Volt--Field Installation
Replaced by 3N1381 shown on Page 48P

UE0700910139 UE070091

For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2N-6397 Y	[1]	ALTERNATOR ASSEMBLY
2N-5880	[1]	LEAD ASSEMBLY
2N-7279	[1]	REGULATOR ASSEMBLY
Y		SEPARATE ILLUSTRATION

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

Engine News

Caterpillar Electric Starting Motors
1982/04/07

Modification Of Control Panel Gives Different Power Source For Overcrank Timer To Prevent Starter Motor Failures
1983/10/26

Modification Of Control Panel Gives Different Power Source For Overcrank Timer To Prevent Starter Motor Failures
1984/01/18

12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors
1987/02/01

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts
1987/03/01

Testing The Starter On The Engine
1987/05/01

Remanufactured Heavy-Duty Starters And High-Amp Alternators
1987/06/01

Improved Starter Solenoid Prevents Contact Corrosion
1987/12/01

Be Sure Battery Cable To Starter Connection Has Correct Torque
1988/03/01

Magnetic Switches (Starter Relays) Improved
1988/03/01

6L7896 Starting Motor (24V DC) Is No Longer Available From Caterpillar
1991/05/01

New Starter Motors Have Solenoid On Top Of Starter
1978/03/01

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

Caterpillar Remanufactured Electric Starting Motors Are Improved {1453}
2011/05/16

Special Instruction

Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}

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

Starting Motors
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Starter Solenoids
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Starter Magnetic Switch
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Air Starting Motor (7L8425, 8L5052, 6L4532)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Starting Air Regulating Valve
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Starting Motor
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Starter Motors (6L7894, 9L3597 And 2S900)
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Starter Motors (4N3180, 7N6503 And 4N3181)
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Starter Solenoids
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Starter Magnetic Switches
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Pressure Regulating Valve For Air Starting Motor
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Air Starting Motor
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Hydraulic Starting Motor
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Pressure Accumulator For Hydraulic Starter
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Charging Pump For Hydraulic Starter
3304 & 3306 INDUSTRIAL & MARINE ENGINES

Hand Pump For Hydraulic Starter
3304 & 3306 INDUSTRIAL & MARINE 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

Information Release Memo

CAT REMAN ANNOUNCES AN ADDITIONAL AIR STARTER AND ADDITIONAL ALTERNATORS FOR CERTAIN ENGINE MODELS
CAT REMAN ANNOUNCES AN ADDITIONAL AIR STARTER AND ADDITIONAL ALTERNATORS FOR CERTAIN ENGINE MODELS

Testing and Adjusting

Engaged Starting Motor - Troubleshoot
Electronic Modular Control Panel II (EMCP II) For MUI Engines

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 Magnetic Switch - Test
Electronic Modular Control Panel II (EMCP II) For MUI Engines

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

Starter
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES

Electric Starting Motor
3304 & 3306 INDUSTRIAL & MARINE 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

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

Modification Of Control Panel Gives Different Power Source For Overcrank Timer To Prevent Starter Motor Failures{7450}
1983/10/17

Modification Of Control Panel Gives Different Power Source For Overcrank Timer To Prevent Starter Motor Failures{7450}
1983/12/12

New Start Switch Used {1416,1453}
1986/07/07

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

Improved Starter Solenoid Prevents Contact Corrosion {1453}
1987/11/30

New Starter Motors Have Solenoid On Top Of Starter{1407,1453}
1978/03/06

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

6L7896 Starting Motor (24V DC) Is No Longer Available From Caterpillar{1453}
1991/04/22

0R5207 Remanufactured Starter May Not Fit In Some Applications{1453}
1993/11/29

Improved Starter Solenoid Assemblies Available {1467,1518}
1996/09/02

Examine Failed Starting Motors to Understand the Reason for Failure {1453}
2002/10/28

Caterpillar Parts SIS Catalog 3306 :

4N-3347 MOTOR GROUP

2S-0900 STARTING MOTOR AS

9L-3597 STARTING MOTOR GP-ELECTRIC

8L-5001 ALTERNATOR AND DRIVE

8L-5003 ALTERNATOR ASSEMBLY

Truck sale:

9,775

Caterpillar 3306T, Marine Propulsion / Auxiliary Engines, Construction
- Marine Propulsion / Auxiliary Engines
FINANZAUTO S.A.

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- Stationary Generator Sets
RING POWER CORP.

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- Stationary Generator Sets
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- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC

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Caterpillar 3306, Stationary Generator Sets, Construction
- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC