6N576 TURBOCHARGER GROUP (4N6597 N/S)--Watercooled--Type 2 4N7601 Cartridge parts are shown on Page 55A AN ATTACHMENT 3406

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

0. 6N-0576 TURBOCHARG
1. 4N-7601 CARTRIDGE
2. 1W-1653 CARTRIDGE
3. 4N-4073 LINES GP-T

AIR CLEANER GP

4. 2S-5651 PRECLEANER

TURBOCHARGER GP

5. 2W-2146 LINES GP-T

AIR CLEANER GP

6. 4N-5498 ADAPTER GP
7. 4N-0879 AIR CLEANE
8. 4N-0878 AIR CLEANE

LINES GP-AIR

9. 4N-4078 LINES GP-A
0. INFORMATION

MARINE ENGINE 3406 MARINE ENGINE 91U
3406 MARINE ENGINE 91U00123-UP SEBP1019 3406 91U (1975)

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

6N-6132 TURBOCHARGER GP

6N-0576 TURBOCHARGER GP

4N-7601 CARTRIDGE GP

1W-1653 CARTRIDGE GP-TURBOCHARGER

4N-4073 LINES GP-TURBOCHARGER OIL

#SEBP10190160

6N-0576: TURBOCHARGER GP

TURBOCHARGER GP

6N576 TURBOCHARGER GROUP (4N6597 N/S)--Watercooled--Type 2
4N7601 Cartridge parts are shown on Page 55A
AN ATTACHMENT

c302668 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-8123	[1]	COVER-COMPRESSOR
2.	4N-8155 C	[1]	NAMEPLATE-TURBO
	4B-4158 C	[1]	SCREW
3.	7M-9916	[1]	CLAMP AS
4.	5S-4517	[1]	CLAMP AS
			(EACH INCLUDES)
5.	7M-9918	[1]	NUT-SELF LOCKING
6.	7N-6182 C	[1]	HOUSING AS-TURBINE
7.	3B-0551	[4]	PLUG-PIPE
8.	1B-5174	[7]	PLUG-PIPE
9.	4N-7601 RY	[1]	CARTRIDGE GP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP10190161

4N-7601: CARTRIDGE GP

CARTRIDGE GP

4N7601 CARTRIDGE GROUP
Serial No. 91U181-Up
Part of 6N577 and 6N576 Turbocharger Groups shown on Pages 54A & 55

c309280 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-0239 R	[1]	NUT-TURBO COMPRESSOR
2.	4N-7598	[1]	SLEEVE-FLINGER
3.	5S-4556	[1]	INSERT
4.	5S-4546	[1]	RING-RETAINING
5.	5P-5757 J	[1]	SEAL-O-RING
6.	4N-7597	[1]	BEARING AS
7.	5S-4557 J	[2]	BEARING
8.	4N-7596	[1]	BACKPLATE-TURBINE
9.	7N-2856 J	[1]	RING-SEAL
10.	4N-7594 R	[1]	WHEEL AS
11.	4M-6983 J	[4]	RING-RETAINING
12.	5S-4547	[1]	SLEEVE-SPACER
13.	4N-7609	[2]	RING-THRUST
14.	5S-4549	[1]	DEFLECTOR-OIL
15.	4N-8124 R	[1]	HOUSING AS-BEARING
16.	7N-7723	[1]	WHEEL-COMPRESSOR
17.	4M-8013 J	[1]	RING-PISTON

	2S-1507 FL	[1]	NAMEPLATE
	8H-3710 FL	[1]	SCREW-TAPPING

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	2W-0727 C	[1]	KIT-CARTRIDGE (INCL PARTS MARKED J)
			L-MOUNTED ON CARTRIDGE AS
	C		CHANGE FROM PREVIOUS TYPE
	F		NOT SHOWN
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190162

1W-1653: CARTRIDGE GP-TURBOCHARGER

CARTRIDGE GP-TURBOCHARGER

1W1653 TURBOCHARGER CARTRIDGE GROUP
Serial No. 91U2410-Up
Part of 2W1847 Turbocharger Group shown on Page 54A-4. AN ATTACHMENT

c178592 SEBP1019

1W1653 CARTRIDGE GP-TURBOCHARGER Parts scheme

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-7962 R	[1]	BACKPLATE ASSEM.
2.	1P-1120	[1]	RING
3.	6N-5004	[1]	BEARING
4.	7N-3759	[1]	RING
5.	9N-3701	[1]	SHROUD
6.	9N-2043 R	[1]	SHAFT AND WHEEL ASSEM.
7.	9M-8915	[3]	RING
8.	9N-2035 R	[1]	HOUSING ASSEM.
			(Includes)
	4M-6646	[2]	PIN
9.	9M-8911	[1]	COLLAR
10.	9N-2046	[1]	SPACER
	9M-8919	[2]	RING
11.	1S-1770	[1]	NUT
12.	7N-8190	[1]	WHEEL
13.	0S-1616	[4]	BOLT
	9N-2036	[4]	PLATE
	9N-2047 H	[1]	PLATE (name)
	2F-0808 H	[2]	SCREW
			THE FOLLOWING REPAIR KITS ARE AVAILABLE:
	9N-2041	[1]	KIT (bearing)
	1N-4481	[1]	KIT (Cartridge Repair)
	H		NOT SHOWN
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190163

4N-4073: LINES GP-TURBOCHARGER OIL

LINES GP-TURBOCHARGER OIL

4N4073 TURBOCHARGER OIL LINES GROUP

c167173 SEBP1019

4N4073 LINES GP-TURBOCHARGER OIL Parts scheme

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-6595	[1]	GASKET
2.	2A-4639 C	[2]	BOLT
3.	6N-3683 C	[1]	TUBE AS-OIL SUPPLY
4.	2M-9780 C	[1]	SEAL-O-RING
5.	5M-2894 C	[2]	WASHER
6.	6M-7476 C	[1]	ELBOW
7.	9M-4849	[1]	SEAL-O-RING
8.	4N-9428 C	[1]	TUBE AS-DRAIN
9.	1A-2029 C	[2]	BOLT
10.	1S-4810	[1]	GASKET-OIL DRAIN
	C		CHANGE FROM PREVIOUS TYPE

#SEBP10190164

2S-5651: PRECLEANER AS

PRECLEANER AS

2S5651 PRE-CLEANER ASSEMBLY
FOR USE WITH 4N5498 AIR CLEANER ADAPTER GROUP
AN ATTACHMENT

c210682 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-9407	[1]	SLEEVE ASSEM.
2.	3S-2957	[1]	BOLT
	3S-9121	[1]	WASHER
3.	2S-2493	[1]	COVER ASSEM.
4.	2S-6708	[1]	COLLECTOR

#SEBP10190165

2W-2146: LINES GP-TURBOCHARGER OIL

LINES GP-TURBOCHARGER OIL

2W2146 TURBOCHARGER OIL LINES GROUP
FOR USE WITH 2W2127 TURBOCHARGER GROUP AND 2W2055 GOVERNOR AND
FUEL INJECTION PUMP GROUP SHOWN ON PAGES 54A-4 & 72F

c309638 SEBP1019

2W2146 LINES GP-TURBOCHARGER OIL Parts scheme

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-6595	[1]	GASKET
2.	2A-4639	[2]	BOLT
3.	2W-2129	[1]	TUBE AS-OIL SUPPLY
4.	2M-9780	[1]	SEAL-O-RING
5.	5M-2894	[2]	WASHER
6.	6M-7476	[1]	ELBOW
7.	9M-4849	[1]	SEAL-O-RING
8.	2W-2133	[1]	TUBE AS-DRAIN
9.	1A-2029	[2]	BOLT
10.	1S-4810	[1]	GASKET-OIL DRAIN

#SEBP10190166

4N-5498: ADAPTER GP-AIR CLEANER

ADAPTER GP-AIR CLEANER

4N5498 AIR CLEANER ADAPTER GROUP
AN ATTACHMENT

c159222 SEBP1019

4N5498 ADAPTER GP-AIR CLEANER Parts scheme

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-0509 HC	[3]	BOLT
2.	4N-5495	[1]	ADAPTER ASSEM.
3.	6L-8432	[2]	CLAMP ASSEM.
4.	2N-3480	[4]	SCREW
	4B-2047	[4]	NUT
	3B-4502	[4]	WASHER
5.	2N-3385	[3]	NUT
6.	5M-2894 BC	[3]	WASHER
7.	4N-7024 C	[1]	GASKET
	C		INDICATES CHANGE
	B		USE AS REQUIRED

#SEBP10190167

4N-0879: AIR CLEANER GP

AIR CLEANER GP

4N879 AIR CLEANER GROUP
4N878 Air Cleaner parts are shown on Page 58
AN ATTACHMENT

c165564 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-3860 C	[2]	CLAMP-HOSE
2.	1A-2029 C	[4]	BOLT
3.	4N-2384	[1]	HOSE-HUMP
4.	4N-1040	[1]	SUPPORT
5.	4N-0878 Y	[1]	AIR CLEANER GP
6.	7S-0687	[1]	INDICATOR
7.	5L-3233	[1]	FITTING
8.	2N-3385	[6]	NUT-CLIP
9.	0S-0509 C	[6]	BOLT
10.	0S-1592 C	[4]	BOLT
	4D-3704 C	[4]	WASHER-HARD
11.	4N-1171	[1]	SUPPORT-AIR CLEANER
12.	4N-7808	[1]	FILTER GP-SOOT
13.	5M-2894 C	[10]	WASHER
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10190168

4N-0878: AIR CLEANER GP

AIR CLEANER GP

4N878 AIR CLEANER GROUP
Part of 4N879 Air Cleaner Group shown on Page 57

c154439 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0045	[1]	COVER ASSEM.
2.	6N-5579 C	[1]	HOUSING ASSEM.
			(Includes)
3.	5P-0801 H		SEAL 2.44 dm(9.6 in.)
4.	5M-6214	[1]	PLUG
5.	4N-0015	[1]	FILTER (air cleaner)
	C		INDICATES CHANGE
	H		ORDER BY THE DECIMETRE USE AS

#SEBP10190169

4N-4078: LINES GP-AIR

LINES GP-AIR

4N4078 AIR LINES GROUP
Serial No. 91U123 to 91U180 inclusive
FOR TURBOCHARGED AFTERCOOLED ENGINES

c119076 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-4157	[1]	ELBOW
2.	4N-4159	[1]	GASKET
3.	4N-4158	[1]	PIPE
4.	4N-4967	[1]	ELBOW
5.	3J-5389	[2]	PLUG
6.	0T-0102	[4]	BOLT
	9M-6527	[4]	WASHER
7.	4N-3955	[1]	GASKET
8.	4L-8337	[2]	SEAL
9.	5S-1188	[2]	SEAL
10.	1A-9579	[5]	BOLT
	3B-4505	[5]	LOCKWASHER
	8F-7242	[5]	WASHER