OIL FILLER, BREATHER AND FUMES DISPOSAL Serial No. 5B1 to 5B529 inclusive 3304 MARINE ENGINE

LUBRICATION SYSTEM

BREATHER GP

0. OIL FILLER

FILLER GP-ENGINE OIL

1. 2N-1583 BREATHER A
2. 2N-3933 BREATHER A

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING

3. 8L-5003 ALTERNATOR
4. 3N-1380 ALTERNATOR
5. 3N-1381 ALTERNATOR
6. ALTERNATOR

STARTING MOTOR GP

7. 8L-4048 ELECTRIC S
8. 8L-4048 ELECTRIC S
9. 8L-4048 ELECTRIC S
0. INFORMATION

MARINE ENGINE 3304 MARINE ENGINE 05B
D330C MARINE ENGINE 05B00001-01196 UEG0017S 3304 05B (1968)

LUBRICATION SYSTEM

BREATHER GP

OIL FILLER BREATHER AND FUMES DISPOSAL

#UEG0017S0100

OIL FILLER BREATHER AND FUMES DISPOSAL

OIL FILLER, BREATHER AND FUMES DISPOSAL
Serial No. 5B1 to 5B529 inclusive

c103025 UEG0017S

None OIL FILLER BREATHER AND FUMES DISPOSAL Parts scheme

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5L-2952	[1]	CAP ASSEM.
	6L-2609	[1]	SEAL
			(Part of 5L2952 Cap Assem.)
2.	7L-0497	[2]	CLAMP
3.	5L-1863	[1]	HOSE
4.	4L-9907	[1]	BREATHER ASSEM.
5.	7L-0504	[1]	TUBE
6.	1A-2029	[3]	BOLT
7.	3B-4506	[5]	LOCKWASHER
8.	5B-3850	[5]	WASHER
9.	5S-8055	[1]	GASKET
10.	1S-0724	[1]	CLIP
11.	1D-4717	[2]	NUT
12.	4L-8231	[1]	GASKET
13.	7L-0506	[1]	ELBOW

#UEG0017S0101

2N-1583: BREATHER AND OIL FILLER

BREATHER AND OIL FILLER

BREATHER AND OIL FILLER (2N1583 N/S)
Serial No. 5B530 to 5B736 inclusive

c126313 UEG0017S

2N1583 BREATHER AND OIL FILLER Parts scheme

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5L-2952	[1]	CAP ASSEM.
	6L-2609	[1]	SEAL
			(Part of 5L2952 Cap Assem.)
2.	7L-0497	[2]	CLAMP
3.	5L-1863	[1]	HOSE
4.	4L-9907	[1]	BREATHER ASSEM.
5.	1A-2029	[3]	BOLT
6.	3B-4506	[5]	LOCKWASHER
7.	5B-3850	[5]	WASHER
8.	5S-8055	[1]	GASKET
9.	1D-4717	[2]	NUT
10.	4L-8231	[1]	GASKET
11.	7L-0506	[1]	ELBOW

#UEG0017S0102

2N-3933: BREATHER AND OIL FILLER

BREATHER AND OIL FILLER

BREATHER AND OIL FILLER (2N3933 N/S)
Effective with Serial No. 5B737

c129939 UEG0017S

2N3933 BREATHER AND OIL FILLER Parts scheme

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5L-2952	[1]	CAP ASSEM.
	6L-2609	[1]	SEAL
			(Part of 5L2952 Assem.)
2.	9L-4540	[1]	TUBE ASSEM.
3.	0S-1594	[3]	BOLT
	3B-4506	[3]	LOCKWASHER
4.	5S-8055	[1]	GASKET
5.	6L-5359	[1]	SEAL
6.	8S-0248	[1]	BREATHER ASSEM.
7.	3H-3243	[1]	BOLT
	4K-9890	[1]	WASHER
8.	9M-2904	[2]	CLAMP
9.	8S-0780	[1]	HOSE

#UEG0017S0103

8L-5003: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

8L5003 ALTERNATOR ASSEMBLY--24 Volt, 35 Ampere
Part of Alternator & Drives shown on Pages 39, 49 & 49A
For Field Replacement order 3N1380 shown on Page 38C

c125339 UEG0017S

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Parts for your 3304 MARINE 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.

#UEG0017S0104

3N-1380: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

3N1380 ALTERNATOR ASSEMBLY--24 Volt--Field Installation
Replaced by 3N1381 Alternator Assembly shown below

UEG0017S0104 UEG0017S

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Parts for your 3304 MARINE 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

#UEG0017S0105

3N-1381: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

3N1381 ALTERNATOR ASSEMBLY--24 Volt--Field Installation

UEG0017S0105 UEG0017S

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2N-5880	[1]	LEAD ASSEMBLY
2N-6398	[1]	ALTERNATOR ASSEMBLY
2N-7279	[1]	REGULATOR ASSEMBLY
		- OR -
6N-3160	[1]	REGULATOR ASSEMBLY
6N-3264	[1]	BRACKET ASSEMBLY
1H-2387	[3]	BOLT
3B-4502	[3]	LOCKWASHER

#UEG0017S0106

ALTERNATOR AND DRIVE

ALTERNATOR AND DRIVE--24 Volt, 35 Ampere
Serial No. 5B1 to 5B503 inclusive

c103318 UEG0017S

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-3106	[2]	SCREW
2.	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
3.	8L-4897	[1]	PULLEY
4.	8L-5003 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
	6L-3483	[2]	COVER
5.	8L-5004	[1]	REGULATOR
6.	7F-6429	[1]	AMMETER
7.	2L-3402	[1]	SWITCH (Fuel Pressure)
8.	9L-0677	[1]	VEE BELT
9.	0S-1590	[1]	BOLT
10.	1D-4717	[2]	NUT
11.	3B-4506	[4]	LOCKWASHER
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.	3B-1915	[2]	BOLT
19.	8L-5451	[1]	BRACKET
20.	0S-1616	[3]	BOLT
	3B-4504	[3]	LOCKWASHER
		[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

#UEG0017S0107

8L-4048: ELECTRIC STARTING MOTOR

ELECTRIC STARTING MOTOR

8L4048 ELECTRIC STARTING MOTOR--24 Volt, 35 Ampere--Type 1
Serial No. 5B1 to 5B503 inclusive
2S900 Motor parts are shown on Pages 42 and 43
AN ATTACHMENT

c103357 UEG0017S

8L4048 ELECTRIC STARTING MOTOR Parts scheme

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1589	[3]	BOLT
	3B-4510	[3]	LOCKWASHER
2.	4H-7869	[1]	GASKET
3.	8L-5393	[1]	BRACKET
4.	8F-8513	[1]	CLIP
			-or-
	4B-9302	[1]	CLIP
			(Use as required)
5.	0T-0102	[1]	BOLT
	1D-4717	[1]	NUT
	3B-4506	[1]	LOCKWASHER
6.	2S-0900 Y	[1]	MOTOR ASSEM.
			(See Separate Illustration)
7.	8L-4127	[1]	BRACKET ASSEM.
8.	9L-2796	[2]	BOLT
	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
9.	8L-5000	[1]	SWITCH
		[1]	WIRING KIT GROUP
	4S-8784		WIRE (No. 6) 3 feet
	4S-8785		WIRE (No. 10) 11 feet
	4S-8787		WIRE (No. 14) 11 feet
	1L-9899	[1]	MARKER (Card of)
	2L-9724	[3]	CLIP
	1H-5166	[2]	CLIP
	4H-8310	[1]	STRAP
	9F-9203	[2]	CONNECTOR
	2L-8076	[4]	TERMINAL (No. 10 Screw)
	2L-8081	[2]	TERMINAL (1/2" Screw)
			(Used with No. 14 Wire)
	2L-8066	[4]	TERMINAL (No. 10 Screw)
	2L-8071	[1]	TERMINAL (1/2" Screw)
			(Used with No. 10 Wire)
	2L-8068	[4]	TERMINAL (5/16" Screw)
			(Used with No. 12 Wire)
	2L-8052	[1]	TERMINAL (3/8" Screw)
	2L-8054	[2]	TERMINAL (1/2" Screw)
			(Used with No. 6 Wire)
	Y		SEPARATE ILLUSTRATION

#UEG0017S0108

8L-4048: ELECTRIC STARTING MOTOR

ELECTRIC STARTING MOTOR

8L4048 ELECTRIC STARTING MOTOR--24 Volt, 35 Ampere--Type 2
Serial No. 5B504-Up. 2S900 Motor parts are shown on Pages 42 and 43
AN ATTACHMENT

c125426 UEG0017S

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1589	[3]	BOLT
	3B-4510	[3]	LOCKWASHER
2.	4H-7869	[1]	GASKET
3.	2S-0900 Y	[1]	MOTOR ASSEM.
			(See Separate Illustration)
4.	8L-4127	[1]	BRACKET ASSEM.
5.	9L-2796	[2]	BOLT
	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
6.	8L-5000	[1]	SWITCH
			(Use without Glow Plugs)
	C	[1]	WIRING DIAGRAM
	C	[1]	WIRING DIARGAM
			(Insulated System)
	3S-2093 C	[2]	TIE (7.31" long)
	8L-8413 C	[6]	TIE (5.5" long)
	4S-8784		WIRE (No. 6) 3 feet
	4S-8785		WIRE (No. 10) 11 feet
	4S-8787		WIRE (No. 14) 11 feet
	1L-9899	[1]	MARKET (Card of)
	2L-9724	[3]	CLIP
	1H-5166	[2]	CLIP
	4H-8310	[1]	STRAP
	9F-9203	[2]	CONNECTOR
	2L-8076	[4]	TERMINAL (No. 10 Screw)
	2L-8081	[2]	TERMINAL (1/2" Screw)
			(Used with No. 14 Wire)
	2L-8066	[4]	TERMINAL (No. 10 Screw)
	2L-8071	[1]	TERMINAL (1/2" Screw)
			(Used with No. 10 Wire)
	2L-8068	[4]	TERMINAL (5/16" Screw)
			(Used with No. 12 Wire)
	2L-8052	[1]	TERMINAL (3/8" Screw)
	2L-8054	[2]	TERMINAL (1/2" Screw)
			(Used with No. 6 Wire)
			(Not Shown)
	C		INDICATES CHANGE FROM PREVIOUS
	Y		SEPARATE ILLUSTRATION

#UEG0017S0109

8L-4048: ELECTRIC STARTING MOTOR GROUP

ELECTRIC STARTING MOTOR GROUP

8L4048 ELECTRIC STARTING MOTOR GROUP--24 Volt, 35 Ampere--Type 3
Serial No. 5B504-Up. 3L6655 Wiring Kit and 2S900 Motor parts are shown on Pages 41D, 42 through 43A
AN ATTACHMENT

c148230 UEG0017S

8L4048 ELECTRIC STARTING MOTOR GROUP Parts scheme

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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1589	[3]	BOLT
	3B-4510	[3]	LOCKWASHER
2.	4H-7869	[1]	GASKET
3.	2S-0900 Y	[1]	MOTOR ASSEM.
			(Separate Illustration)
4.	4N-8465 C	[1]	BRACKET ASSEM.
5.	9L-2796	[2]	BOLT
	1D-4716	[2]	NUT
	3B-4505	[2]	LOCKWASHER
6.	8L-5000	[1]	SWITCH
			(Use without Glow Plugs)
	H	[1]	WIRING DIAGRAM
			(Grounded System)
	C	[1]	WIRING DIAGRAM
			(Insulated System)
	3L-6655 YC	[1]	WIRING GROUP
			(Separate Illustration)
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	H		NOT SHOWN