4N3347 MOTOR GROUP--Part 2 of 2 Part of 8L4048 Electric Starting Motor Group shown on Page 72A 3306 INDUSTRIAL ENGINE

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

0. 4N-3347 MOTOR GROU

SOLENOID GP

1. 1P-9181 SWITCH AS-
2. 7L-6586 SOLENOID A
3. 4M-1812 SWITCH AS-

STARTING MOTOR GP

4. 9L-3597 STARTING M
5. 9L-3597 STARTING M
6. 2S-0900 STARTING M
7. 2S-0900 STARTING M
8. 8L-4047 AIR STARTI

VALVE GP

9. 3L-9921 WHISTLE VA
0. INFORMATION

INDUSTRIAL ENGINE 3306 INDUSTRIAL ENGINE 23C
3306 ENGINE 23C00740-00841 UEG0686S 3306 23C (1968)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

8L-4048 ELECTRIC STARTING MOTOR GROUP

4N-3347 MOTOR GROUP

9L-3597 STARTING MOTOR GP-ELECTRIC

2S-0900 STARTING MOTOR AS

#UEG0686S0140

4N-3347: MOTOR GROUP

MOTOR GROUP

4N3347 MOTOR GROUP--Part 2 of 2
Part of 8L4048 Electric Starting Motor Group shown on Page 72A

c201783 UEG0686S

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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
1L-4789	[4]	LOCKWASHER
7F-3491	[2]	WASHER
1D-4719	[1]	NUT
3B-4508	[1]	LOCKWASHER
1D-5117	[1]	NUT
3B-4508	[1]	LOCKWASHER
1D-5117	[1]	NUT
3B-4508	[1]	LOCKWASHER
7F-3494	[1]	WASHER
4M-1846	[1]	PLATE ASSEM.
3F-0379	[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
1L-4789	[5]	LOCKWASHER
4M-1831	[1]	PLUG
7L-2894	[1]	GASKET
		THE FOLLOWING REPAIR KIT IS AVAILABLE:
3N-3763	[1]	KIT (terminal)
		(Includes Washer, Insulator & Bushings)
8L-5265	[1]	HOUSING ASSEM.

#UEG0686S0141

1P-9181: SWITCH AS-SOLENOID

SWITCH AS-SOLENOID

1P9181 SOLENOID SWITCH ASSEMBLY
Part of 4N3347 Motor Group shown on Page 72B

c115475 UEG0686S

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	TERMINAL ASSEM.
		[1]	PLATE
2.		[1]	STRIP
3.		[2]	NUT
4.		[4]	LOCKWASHER
5.		[2]	NUT
6.		[2]	WASHER
7.		[2]	INSULATOR
8.		[2]	BUSHING
9.		[1]	STUD (R.H.)
		[1]	STUD (L.H.)
10.		[1]	TERMINAL
11.		[1]	GASKET
12.		[1]	SCREW
13.		[4]	SCREW ASSEM.
14.		[2]	SCREW
15.		[1]	CONTACT ASSEM.
16.	C	[1]	CASE ASSEM.
17.		[2]	CLIP
18.		[1]	SPRING
	C		INDICATES CHANGE

#UEG0686S0142

7L-6586: SOLENOID AS

SOLENOID AS

7L6586 SOLENOID SWITCH ASSEMBLY
Part of 9L3597 Starting Motor Assembly shown on Page 74

c129008 UEG0686S

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-5274	[1]	SCREW
4M-2800	[1]	TERMINAL
		(PART OF ASSEM 5L9086)
7F-4913	[1]	GASKET
5L-9086	[1]	TERMINAL ASSEM
9M-7657	[4]	NUT
7F-4909	[2]	WASHER
3H-3680	[2]	NUT
038-4508	[4]	LOCKWASHER
1D-4719	[2]	NUT
5L-9088	[1]	STUD
		(BATTERY)
5L-9089	[1]	STUD
		(GROUND)
4M-1836	[2]	INSULATOR
4M-1837	[2]	BUSHING
		(PARTS OF ASSEM. 5L9086)
1P-3879	[1]	LEAD ASSEM
4M-3217	[2]	SCREW
4M-1834	[1]	PLATE
7F-4907	[1]	STRIP
		(PARTS OF ASSEM. 5L9086)
4M-1815	[1]	SPRING
		NOT SERVICED- CASE ASSEM.
4M-1814	[1]	CONTACT ASSEM.

#UEG0686S0143

4M-1812: SWITCH AS-SOLENOID

SWITCH AS-SOLENOID

4M1812 SOLENOID SWITCH ASSEMBLY
Part of 2S900 Starting Motor Assembly shown on Page 76

c115620 UEG0686S

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-1816	[1]	TERMINAL ASSEM.
	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-4909	[2]	WASHER
7.	4M-1836	[2]	INSULATOR
8.	4M-1837	[2]	BUSHING
9.	7F-4906	[1]	STUD (R.H.)
	4M-1835	[1]	STUD (L.H.)
10.	4M-2800	[1]	TERMINAL
11.	9S-4490	[1]	GASKET
12.	4M-5274	[1]	SCREW
13.	1P-3879	[1]	LEAD ASSEM.
14.	4M-3217	[2]	SCREW
15.	4M-1814	[1]	CONTACT ASSEM.
16.	4M-1813	[1]	CASE ASSEM.
17.	1F-0073	[2]	CLIP
18.	4M-1815	[1]	SPRING
19.	9M-7657	[4]	NUT
			-OR-
	9S-4489	[4]	SCREW ASSEM.

#UEG0686S0144

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 1 of 2
Part of 1N9879 Starting Motor Group shown on Page 71
7L6586 Solenoid Switch parts are shown on Page 73

c152720 UEG0686S

9L3597 STARTING MOTOR GP-ELECTRIC Parts scheme

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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 C	[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
6H-3622	[4]	SCREW ASSEM
7L-6586 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 (2.39 DIAMETER)
9M-7611	[1]	RING
2P-4708	[1]	DRIVE ASSEM. (800068)
		-OR-
6N-3827 CH	[1]	DRIVE ASSEM. (480118)
		THE FOLLOWING REPAIR KITS ARE AVAILABLE FOR 2P4708 DRIVE ASSEM.
9S-9825	[1]	CUP KIT
		(Includes Cup & Washer)
4S-9459	[1]	WASHER KIT
		(Includes Washers & Retainer)
9S-9771	[1]	PINION
9S-9770	[1]	SPRING
		(Parts of 2P4708 Assem.)
4M-1851	[1]	GASKET
4M-1853	[1]	LEVER ASSEM.
4M-1833	[5]	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.)
H		NOT PART OF 9L3597 MOTOR ASSEM.
Y		SEPARATE ILLUSTRATION
C		INDICATES CHANGE

#UEG0686S0145

9L-3597: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9L3597 STARTING MOTOR ASSEMBLY--12 Volt--Part 2 of 2
Part of 1N9879 Starting Motor Group shown on Page 71

c201901 UEG0686S

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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

#UEG0686S0146

2S-0900: STARTING MOTOR AS

STARTING MOTOR AS

2S900 STARTING MOTOR ASSEMBLY--24 Volt--Part 1 of 2
Part of 8L4048 & 3N519 Starting Motor Groups shown on Pages 72 & 80
4M1812 Switch parts are shown on Page 73

c204911 UEG0686S

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-1812 Y	[1]	SWITCH ASSEM.
		(SEPARATE ILLUSTRATION)
1D-5117	[2]	NUT
3B-4508	[1]	LOCKWASHER
7F-3494	[1]	WASHER (.031" THICK)
9H-3757	[2]	WASHER (.093" THICK)
4M-1841	[1]	CONNECTOR
3L-3380	[1]	BUSHING
2F-2860 C	[8]	SCREW (.3125" LONG)
3B-4501	[8]	LOCKWASHER
4M-0189	[2]	SEAL
4B-1220 C	[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)
1D-4719	[1]	NUT
1D-5117	[1]	NUT
2L-8166	[1]	WASHER
4M-1844	[1]	FRAME ASSEM.
7S-9826	[1]	PLUG
		(PART OF 4M1844 ASSEM.)
4M-1845	[8]	BRUSH ASSEM.
2N-3145 C	[1]	INSULATOR
7L-2894 C	[2]	GASKET
4M-1831 C	[2]	PLUG
4M-1868	[1]	ARMATURE
4M-1839	[1]	COIL ASSEM.
9M-7606 C	[1]	PLUNGER ASSEM.
4M-1828	[1]	RETAINER
4M-0188 C	[1]	WASHER
4M-1829	[1]	BOOT
6H-3622	[4]	SCREW ASSEM.
8H-1141	[4]	SHOE
1H-2629	[2]	STRIP
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 C	[1]	RING
3F-2617	[1]	NUT
4M-1854	[1]	SHAFT
1H-1023	[1]	SEAL (.369" DIAMETER)
2D-6392	[1]	SEAL (.239" DIAMETER)
9M-7611 C	[1]	RING
4M-1853	[1]	LEVER ASSEM.
4M-1851	[1]	GASKET
2P-4708 C	[1]	DRIVE ASSEM.
		(800068)
		-OR-
6N-3827 CH	[1]	DRIVE ASSEM.
		(480118)
9S-9771	[1]	PINION
9S-9770	[1]	SPRING
		(Parts of 2P4708 Assem.)
		THE FOLLOWING REPAIR KITS ARE AVAILABLE FOR 2P4708 DRIVE ASSEM.
9S-9825	[1]	KIT (cup)
4S-9459	[1]	KIT (washer)
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
Y		SEPARATE ILLUSTRATION
H		NOT PART OF 2S900 MOTOR ASSEM.

#UEG0686S0147

2S-0900: STARTING MOTOR AS

STARTING MOTOR AS

2S900 STARTING MOTOR ASSEMBLY--24 Volt--Part 2 of 2
Part of 8L4048 & 3N519 Starting Motor Groups shown on Pages 72 & 80

c117817 UEG0686S

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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 C	[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
1L-4789	[4]	LOCKWASHER
7F-3491	[2]	WASHER
1D-4719	[1]	NUT
3B-4508	[1]	LOCKWASHER
1D-5117	[1]	NUT
3B-4508	[1]	LOCKWASHER
7F-3494	[1]	WASHER
4M-1846	[1]	PLATE ASSEM.
3F-0379	[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
1L-4789	[5]	LOCKWASHER
4M-1831	[1]	PLUG
7L-2894 C	[1]	GASKET
8L-5265	[1]	HOUSING ASSEM.
C		INDICATES CHANGE

#UEG0686S0148

8L-4047: AIR STARTING MOTOR GROUP

AIR STARTING MOTOR GROUP

8L4047 AIR STARTING MOTOR GROUP
Only separate parts serviced. When complete group is
required order 4N5712 shown on Page 79A. AN ATTACHMENT

c117743 UEG0686S

8L4047 AIR STARTING MOTOR GROUP Parts scheme

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2L-4318	[1]	CLAMP
1H-0690	[1]	STRIP
2P-3200 C	[2]	BOLT
1D-4717	[2]	NUT
5M-2894 C	[2]	WASHER
3L-6662	[1]	BRACKET
3B-6498	[1]	ELBOW
9L-4652	[1]	HOSE ASSEM.
		(17.25" LONG)
4H-7869	[1]	GASKET
0S-1589 C	[3]	BOLT
4B-4280	[2]	WASHER
8L-5052 Y	[1]	MOTOR ASSEM.
		(SEPARATE ILLUSTRATION)
6B-3156	[1]	NIPPLE
3L-9921 Y	[1]	VALVE
		(SEPARATE ILLUSTRATION)
3B-7749	[1]	NIPPLE
4L-3124	[1]	LUBRICATOR
7B-7169	[1]	NIPPLE
3B-6498	[2]	ELBOW
6B-8128 C	[1]	NIPPLE
3B-7749	[1]	NIPPLE
1L-0259	[1]	FITTING
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#UEG0686S0149

3L-9921: WHISTLE VALVE ASSEMBLY

WHISTLE VALVE ASSEMBLY

3L9921 WHISTLE VALVE ASSEMBLY
Part of 8L4047 Air Starting Motor Group

c60030 UEG0686S

3L9921 WHISTLE VALVE ASSEMBLY Parts scheme

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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4L-2797	[1]	LEVER ASSEM.
4L-3052	[1]	GLAND
4L-2798	[1]	PACKING
4L-3053	[1]	STEM
4L-2802	[1]	NUT
4L-2799	[1]	DISC
4L-2801	[1]	HOLDER
4L-2800	[1]	SPRING

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

New Bearing Used In Air Starting Motor
1982/09/22

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

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

A Special Instruction Is Available For Replacing Starting Motor Solenoids {1467}
2001/08/01

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

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

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

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

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

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

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

Service Magazine

Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28

New Bearing Used In Air Starting Motor {1451}
1982/09/13

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

Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10

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

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

Caterpillar Parts SIS Catalog 3306 :

4N-3347 MOTOR GROUP

8L-4048 ELECTRIC STARTING MOTOR GROUP

1N-9879 ELECTRIC STARTING MOTOR GROUP

3N-6008 FUEL TANK AND BASE GROUP

1P-9181 SWITCH AS-SOLENOID

7L-6586 SOLENOID AS

4M-1812 SWITCH AS-SOLENOID

9L-3597 STARTING MOTOR GP-ELECTRIC

2S-0900 STARTING MOTOR AS

8L-4047 AIR STARTING MOTOR GROUP

Truck sale:

9,775

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

35,500

Caterpillar 3306T, Stationary Generator Sets, Construction
- Stationary Generator Sets
RING POWER CORP.

8,185

Caterpillar 3306, Stationary Generator Sets, Construction
- Stationary Generator Sets
TOROMONT POWER SYSTEMS

41,500

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

35,000

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