6N7747 ALTERNATOR GROUP--12 Volt, 55 Ampere 2L9808 Wiring and 2N7759 Alternator parts are shown on Pages 101 and 105B AN ATTACHMENT 3304

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING

0. 6N-7747 ALTERNATOR
1. 2N-7759 ALTERNATOR
2. 2N-6397 ALTERNATOR
3. 2N-6398 ALTERNATOR

BASIC ENGINE

POWER TAKE-OFF GP

4. 3N-1329 TAKE-OFF G

DRIVE GP-AUXILIARY

5. 3N-2081 DRIVE GP-A

POWER TAKE-OFF GP

6. 3N-1329 TAKE-OFF G

SHAFT GP-STUB

7. 6L-2691 SHAFT GP-F

CLUTCH GP

8. 2F-8223 CLUTCH AS

MARINE TRANSMISSION

KIT-MARINE SPARE PARTS

9. 3N-9285 MARINE SOC
0. INFORMATION

MARINE ENGINE 3304 MARINE ENGINE 05B
3304 MARINE ENGINE 05B01387-02056 UEG0874S 3304 05B (1968)

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING

4N-3987 ALTERNATOR GP

6N-7747 ALTERNATOR GP-CHARGING

2N-7759 ALTERNATOR AS

2N-6397 ALTERNATOR AS

2N-6398 ALTERNATOR AS

#UEG0874S0230

6N-7747: ALTERNATOR GP-CHARGING

ALTERNATOR GP-CHARGING

6N7747 ALTERNATOR GROUP--12 Volt, 55 Ampere
2L9808 Wiring and 2N7759 Alternator parts are shown on Pages 101 and 105B
AN ATTACHMENT

c217782 UEG0874S

6N7747 ALTERNATOR GP-CHARGING Parts scheme

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8M-7892	[1]	GAUGE AS-AMMETER (60 AMP)
2.	2N-7744	[1]	SWITCH AS (PRESSURE)
3.	6L-3483	[2]	COVER-TERMINAL
4.	2N-7759 Y	[1]	ALTERNATOR AS
5.	0S-1587	[1]	BOLT
	2M-0849	[1]	WASHER 25.40MM(1IN)OD
	4B-5273	[1]	WASHER 34.93MM(1.375IN)OD
	1M-4991	[1]	SPACER
6.	5L-6217	[1]	BAR-ADJUSTING
7.	1B-7182 C	[1]	BOLT
	9M-1974	[1]	WASHER
8.	8L-5227	[1]	PULLEY-ALTERNATOR
9.	6L-8161	[1]	V-BELT SET (INCL 2 BELTS)
10.	2B-0947	[1]	BOLT
	1K-6872	[1]	LOCKNUT
11.	8L-5379	[1]	BRACKET
12.	8L-5380	[1]	BRACKET
13.	2P-3201	[2]	BOLT-WASHER HEAD
14.	6N-3161	[1]	REGULATOR AS
15.	6N-3157	[1]	BRACKET-REGULATOR
16.	1H-2387	[3]	SCREW-MACHINE
	3B-4502	[3]	LOCKWASHER
17.	2N-5880	[1]	HARNESS AS-WIRING
18.	2P-3203	[2]	BOLT-WASHER HEAD
	6B-2882	[1]	SPACER
19.	5B-0546 C	[1]	SPACER
	2L-9808 FY	[1]	WIRING GP
	C		CHANGE FROM PREVIOUS TYPE
	F		NOT SHOWN
	Y		SEPARATE ILLUSTRATION

#UEG0874S0231

2N-7759: ALTERNATOR AS

ALTERNATOR AS

2N7759 ALTERNATOR ASSEMBLY
Part of 3N2709 and 6N7747 Alternator Groups shown on Pages 95A-2, 95B and 105A

c134507 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[2]	BOLT
2.	[7]	NUT
3.	[7]	LOCKWASHER
4.	[3]	INSULATOR
5.	[10]	WASHER
6.	[2]	WASHER
7.	[1]	CABLE ASSEM.
8.	[4]	NUT & LOCK ASSEM.
9.	[4]	INSULATOR
10.	[1]	DIODE ASSEM. (3 Diodes-Negative)
11.	[1]	DIODE ASSEM. (3 Diodes-Positive)
12.	[1]	BOLT
13.	[1]	CABLE ASSEM.
14.	[4]	BOLT
15.	[1]	HOUSING (Rear)
16.	[1]	RETAINER
17.	[1]	INSULATOR
18.	[1]	BRUSH ASSEM.
19.	[1]	GASKET
20.	[2]	SCREW
21.	[2]	SCREW
22.	[1]	COVER
23.	[1]	ROTOR ASSEM.
24.	[1]	BEARING
25.	[1]	SCREW
	[1]	LOCKWASHER
	[1]	WASHER
26.	[1]	RING ASSEM.
27.	[1]	STATOR ASSEM.
28.	[1]	HOUSING (Front)
29.	[1]	RETAINER
30.	[3]	SCREW
	[3]	LOCKWASHER
31.	[1]	SEAL
32.	[1]	SPACER
33.	[1]	NUT
	[1]	LOCKWASHER
34.	[1]	SLEEVE
35.	[1]	KEY
36.	[1]	BEARING
37.	[1]	WASHER
38.	[1]	FAN

#UEG0874S0232

2N-6397: ALTERNATOR AS

ALTERNATOR AS

2N6397 ALTERNATOR ASSEMBLY--24 Volt, 35 Ampere
Part of 3N2707 and 3N4663 Alternator Groups shown on Pages 95 and 96
AN ATTACHMENT

c112513 UEG0874S

For full view, you need register

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.	2N-6399	[1]	BRUSH ASSEM.
6.	8L-9361	[1]	COVER
7.	8L-9381	[2]	SCREW
8.	8L-9380	[4]	NUT & LOCK ASSEM.
9.	8L-9352	[10]	WASHER
10.	3N-1204	[4]	INSULATOR
11.	8L-9368	[1]	HOUSING (rear)
12.	2N-7367	[4]	BOLT
13.	3N-1202	[1]	ROTOR ASSEM.
14.	3K-6168	[1]	SCREW
	7H-2079	[1]	LOCKWASHER
	3N-1223	[1]	WASHER
15.	3N-1200	[1]	SLIP RING ASSEM.
16.	4M-2995	[1]	BEARING
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]	WASHER
25.	8L-9375	[2]	BOLT
	8L-9377	[2]	WASHER
26.	7H-2079	[7]	LOCKWASHER
27.	4B-2047	[7]	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.

#UEG0874S0233

2N-6398: ALTERNATOR AS

ALTERNATOR AS

2N6398 ALTERNATOR ASSEMBLY--24 Volt, 35 Ampere
Provides Field Replacement for 2N6397 shown on Page 106. Also part of 3N2707 &
3N4663 Alternator Groups shown on Pages 95A-1, 96B & 96C

c133092 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[1]	STATOR ASSEM.
2.	[1]	RETAINER
3.	[1]	INSULATOR
4.	[1]	GASKET
5.	[1]	BRUSH ASSEM.
6.	[1]	COVER
7.	[2]	SCREW
8.	[4]	NUT
9.	[10]	WASHER
10.	[4]	INSULATOR
11.	[1]	HOUSING (Rear)
12.	[4]	BOLT
13.	[1]	ROTOR ASSEM.
14.	[1]	SCREW
	[1]	LOCKWASHER
	[1]	WASHER
15.	[1]	SLIP RING ASSEM.
16.	[1]	BEARING
17.	[1]	HOUSING ASSEM. (Front)
18.	[1]	RETAINER
19.	[1]	FAN
20.	[1]	BEARING
21.	[1]	NUT
	[1]	LOCKWASHER
22.	[1]	KEY
23.	[1]	SPACER
24.	[1]	SEAL
25.	[2]	BOLT
	[2]	WASHER
26.	[7]	LOCKWASHER
27.	[7]	NUT
28.	[3]	INSULATOR
29.	[1]	CABLE ASSEM.
30.	[1]	DIODE ASSEM. (3 Diodes-Negative)
31.	[1]	DIODE ASSEM. (3 Diodes-Positive)
32.	[1]	BOLT
33.	[2]	SCREW
34.	[1]	CABLE ASSEM.
35.	[3]	SCREW
	[3]	LOCKWASHER
36.	[1]	SLEEVE
37.	[1]	WASHER

#UEG0874S0234

3N-1329: TAKE-OFF GP-FRONT POWER

TAKE-OFF GP-FRONT POWER

3N1329 FRONT POWER TAKE-OFF GROUP--1:1 Ratio--Type 1
2F8223 Clutch parts are shown on Page 109

c203176 UEG0874S

3N1329 TAKE-OFF GP-FRONT POWER Parts scheme

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1329	[3]	BOLT
2.	3B-4508	[11]	LOCKWASHER
3.	0T-0065	[2]	BOLT
4.	7L-0833	[1]	HUB
5.	1A-2029	[16]	BOLT
6.	3B-4506	[29]	LOCKWASHER
7.	7L-0550	[1]	SUPPORT ASSEM. (L.H.)
8.	0S-1571	[6]	BOLT
9.	4B-4787	[1]	LEVER ASSEM.
10.	0S-1587	[1]	BOLT
11.	2F-8223 Y	[1]	CLUTCH ASSEM.
			(Separate Illustration)
12.	7L-0603	[1]	ADAPTER
13.	7L-5882	[1]	PULLEY
14.	0L-1143	[3]	BOLT
15.	3N-1332	[1]	HOUSING
16.	3N-4480	[1]	SUPPORT ASSEM. (R.H.)
17.	0S-1585	[8]	BOLT
18.	0S-1619 C	[2]	BOLT
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0874S0235

3N-2081: DRIVE GP-AUXILIARY

DRIVE GP-AUXILIARY

3N2081 AUXILIARY DRIVE GROUP--Lower
FOR USE WITH ATTACHMENTS NOT EXCEEDING 10 H.P.

c117838 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[1]	NUT
	[1]	LOCK
2.	[1]	SHAFT
3.	[1]	GEAR (40 teeth)
4.	[1]	SEAL
5.	[1]	ADAPTER
6.	[1]	SEAL
7.	[2]	BEARING
8.	[2]	RING
9.	[6]	BOLT
10.	[1]	PULLEY
11.	[1]	SPACER

#UEG0874S0236

3N-1329: TAKE-OFF GP-FRONT POWER

TAKE-OFF GP-FRONT POWER

3N1329 FRONT POWER TAKE-OFF GROUP--1:1 Ratio--Type 2
2F8223 Clutch parts are shown on Page 109

c152361 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1329	[3]	BOLT
2.	3B-4508	[11]	LOCKWASHER
3.	0T-0065	[2]	BOLT
4.	3N-8231 C	[1]	ADAPTER
5.	1A-2029	[16]	BOLT
6.	3B-4506	[29]	LOCKWASHER
7.	7L-0550	[1]	SUPPORT ASSEM. (L.H.)
8.	0S-1571	[6]	BOLT
9.	4B-4787	[1]	LEVER ASSEM.
10.	0S-1587	[1]	BOLT
11.	2F-8223 Y	[1]	CLUTCH ASSEM.
			(Separate Illustration)
12.	7L-0603	[1]	ADAPTER
13.	7L-5882	[1]	PULLEY
14.	0L-1143	[3]	BOLT
15.	3N-1332	[1]	HOUSING
16.	3N-4480	[1]	SUPPORT ASSEM. (R.H.)
17.	0S-1585	[8]	BOLT
18.	0S-1619	[2]	BOLT
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0874S0237

6L-2691: SHAFT GP-FRONT PTO STUB

SHAFT GP-FRONT PTO STUB

6L2691 POWER TAKE-OFF SHAFT GROUP

c203219 UEG0874S

6L2691 SHAFT GP-FRONT PTO STUB Parts scheme

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
6L-2681	[1]	SHAFT
1D-2328	[1]	KEY
2P-3205 C	[6]	BOLT
		(USED WITHOUT ALTERNATOR)
2P-3207 C	[6]	BOLT
		(USED WITH ALTERNATOR)
C		INDICATES CHANGE

#UEG0874S0238

2F-8223: CLUTCH AS

CLUTCH AS

2F8223 CLUTCH ASSEMBLY
Specification No. 22915
Part of 3N1329 Front Power Take-Off Group shown on Page 107

c152082 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4B-4775	[1]	HOSE
6L-3965	[8]	PIN
6L-3960	[8]	COTTER PIN
4B-4703	[4]	LEVER
6B-0165	[8]	LINK
6L-3968	[4]	PIN
6L-3964	[4]	COTTER PIN
6B-0177	[1]	YOKE
8B-4516	[1]	KEY
4B-4771	[1]	LOCK
4B-4753	[1]	NUT
5L-6326	[1]	BEARING
2F-8194	[1]	PLATE
6B-0173	[6]	SPRING
4B-4713	[1]	SPRING
6B-0179	[1]	PIN
6B-0185	[1]	PLATE
6B-0187	[1]	PLATE
2N-8079	[1]	COLLAR ASSEM.
0S-1591	[2]	BOLT
9F-5644	[2]	LOCKWASHER
		(PARTS OF FORK ASSEM. 6B0169)
1L-7267	[1]	PLATE
1L-6931	[2]	MACH. SCREW
3B-4504	[2]	LOCKWASHER
3B-8489	[2]	FITTING
9S-1354	[1]	NUT
6F-0253	[1]	LOCKWASHER
2L-6010	[1]	PLUG
1A-9136	[1]	BOLT
3F-9556	[1]	LOCKWASHER
5B-2407	[1]	LOCK
2F-8509	[2]	CONE
8B-8002	[1]	KEY
2F-8195	[1]	SHAFT
3B-8490	[1]	FITTING
2L-6010	[1]	PLUG
	[1]	HOUSING
2F-8508	[2]	CUP
6B-0674	[1]	SLEEVE
8B-7121	[2]	FITTING
6B-0182	[1]	SHAFT
6L-5151	[2]	KEY
6B-0169	[1]	FORK ASSEM

#UEG0874S0239

3N-9285: MARINE SOCIETY SPARE PARTS KIT

MARINE SOCIETY SPARE PARTS KIT

3N9285 MARINE SOCIETY SPARE PARTS KIT--Part 1--Propulsion
AN ATTACHMENT

UEG0874S0239 UEG0874S

For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4N-7444	[1]	HEAD ASSEMBLY
		- OR -
6N-8875 R	[1]	HEAD ASSEMBLY
1B-7709	[1]	BOLT
1D-4595	[3]	BOLT
5P-1991	[1]	GASKET KIT VALVE GRINDING
2S-0736	[4]	WASHER
5S-7218	[2]	INSERT INLAY
5S-7221	[3]	INSERT EXHAUST
2A-4429	[10]	LOCK
2P-1262	[5]	GUIDE
5S-5874	[5]	ROTOCOIL ASSEMBLY
7S-6767	[2]	VALVE INLET
7S-7144	[5]	SPRING
7S-8809	[3]	VALVE EXHAUST
9L-5854	[1]	BAND FILLER LINER TO BLOCK
8M-6487	[1]	PIN CONNECTING ROD TO PISTON
4N-6258	[1]	BEARING CONNECTING ROD
4N-9258	[1]	PISTON GROUP TO CONNECTING ROD
2P-0716	[2]	PLATE THRUST
		SERIAL NO. 5B1387 TO 5B1747 INCLUSIVE
		- OR -
6N-8940	[2]	PLATE THRUST
		SERIAL NO. 5B1748--UP
2P-8889	[1]	LINER CYLINDER
1S-9543	[2]	RETAINER
2S-5658	[2]	WASHER BEARING CAP MAIN
3S-9730	[1]	BEARING MAIN CRANKSHAFT
5S-2793	[1]	ROD ASSEMBLY PISTON TO CRANKSHAFT
5S-6045	[1]	GASKET OIL PAN
5S-6670	[3]	SEAL LINER TO BLOCK
7S-3224	[2]	BOLT BEARING CAP MAIN
7S-9348	[1]	BEARING CONNECTING ROD
8S-1963	[1]	GASKET OIL PAN
9S-3068	[1]	RING GROUP PISTON PARTS SERVICE
R		REMFG PART MAY BE AVAILABLE