7N7719 TURBOCHARGER GROUP--Watercooled For Direct Injection Engine 7N7718 Turbocharger parts are shown on Page 54C-1 3406

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

0. 7N-7719 TURBOCHARG
1. 1N-3138 TURBOCHARG
2. 1N-3057 TURBOCHARG
3. 6N-8954 TURBOCHARG
4. 7N-7718 TURBOCHARG
5. 7N-7721 TURBOCHARG
6. 7N-7720 TURBOCHARG
7. 6N-6131 TURBOCHARG
8. 6N-6132 TURBOCHARG
9. 6N-0576 TURBOCHARG
0. INFORMATION

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

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP

2W-1847 TURBOCHARGER GP

6N-9150 TURBOCHARGER GP-WATERCOOLED

7N-7719 TURBOCHARGER GP

1N-3138 TURBOCHARGER GP

1N-3057 TURBOCHARGER GP

6N-8954 TURBOCHARGER GP

#SEBP10190150

7N-7719: TURBOCHARGER GP

TURBOCHARGER GP

7N7719 TURBOCHARGER GROUP--Watercooled
For Direct Injection Engine
7N7718 Turbocharger parts are shown on Page 54C-1

c218079 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-7718 Y	[1]	TURBOCHARGER GP
2.	2N-2766	[4]	LOCKNUT
3.	7M-7273	[1]	GASKET-TURBOCHARGER
	Y		SEPARATE ILLUSTRATION

#SEBP10190151

1N-3138: TURBOCHARGER GP

TURBOCHARGER GP

1N3138 TURBOCHARGER GROUP
For Direct Injection Turbocharged Aftercooled Engines
Serial No. 91U1697-Up. 1N3057 Turbocharger parts are shown on Page 54B-2
AN ATTACHMENT

c176593 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1N-3057 Y	[1]	TURBOCHARGER GROUP
			(Separate Illustration)
2.	2N-2766	[4]	LOCKNUT
3.	7M-7273	[1]	GASKET
	Y		SEPARATE ILLUSTRATION

#SEBP10190152

1N-3057: TURBOCHARGER GP

TURBOCHARGER GP

1N3057 TURBOCHARGER GROUP
Serial No. 91U1697-Up. Part of 1N3138 Turbocharger Group shown on Page 54B-1
4N7601 Cartridge parts are shown on Page 55A. AN ATTACHMENT

c301197 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-8155	[1]	NAMEPLATE
	4B-4158	[1]	SCREW
2.	7M-9916	[1]	CLAMP ASSEM. (turbine)
3.	5S-4517	[1]	CLAMP ASSEM. (compressor)
			(Each Includes)
4.	7M-9918	[1]	NUT
5.	1N-3059 C	[1]	HOUSING ASSEM. (turbine)
			(Includes)
6.	3B-0551	[4]	PLUG
7.	1B-5174	[7]	PLUG
8.	4N-8123	[1]	COVER (compressor)
9.	4N-7601 RYC	[1]	CARTRIDGE GROUP
			(Separate Illustration)
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#SEBP10190153

6N-8954: TURBOCHARGER GP

TURBOCHARGER GP

6N8954 TURBOCHARGER GROUP--Basic--Replaced by 6N6132 shown on Page 54C-6
Serial No. 91U454-Up
Part of 6N9150 Turbocharger Group shown on Page 54B

c162250 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-6128	[1]	COVER-COMPRESSOR
2.	7M-9916	[1]	CLAMP AS
3.	7M-9918	[1]	NUT-SELF LOCKING
4.	6N-0574	[1]	HOUSING-TURBINE
5.	3B-0551	[4]	PLUG-PIPE
6.	1B-5174	[5]	PLUG-PIPE
7.	5S-4517	[1]	CLAMP AS
	7M-9918	[1]	NUT-SELF LOCKING
8.	6N-6130 R	[1]	CARTRIDGE AS
	4N-8124 R	[1]	HOUSING AS-BEARING
	5S-5199	[2]	PIN-GROOVE
9.	4N-7600 J	[1]	NUT-COMPRESSOR
10.	6N-6129	[1]	WHEEL-COMPRESSOR
11.	4N-7598 J	[1]	SLEEVE-FLINGER
12.	4M-8013 J	[1]	RING-PISTON
13.	5S-4556	[1]	INSERT
14.	5S-4546 J	[1]	RING-RETAINING
15.	5P-5757 J	[1]	SEAL-O-RING
16.	5S-4549 J	[1]	DEFLECTOR-OIL
17.	4N-7597	[1]	BEARING AS
18.	5S-4547 J	[1]	SLEEVE-SPACER
19.	4N-7609	[2]	RING-THRUST
20.	5S-4557 J	[2]	BEARING
21.	4M-6983 J	[4]	RING-RETAINING
22.	4N-7595 J	[1]	RING
23.	4N-7596	[1]	BACKPLATE-TURBINE
24.	4N-7594 R	[1]	WHEEL AS
25.	4N-8155	[1]	NAMEPLATE-TURBO
26.	4B-4158	[1]	SCREW

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	6N-7248	[1]	KIT-CARTRIDGE (INCL PARTS MARKED J)
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190154

7N-7718: TURBOCHARGER GP

TURBOCHARGER GP

7N7718 TURBOCHARGER GROUP--Replaced by 6N6131 shown on Page 54C-4
Part of 7N7719 Turbocharger Group shown on Page 54B

c301534 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-6128	[1]	COVER-COMPRESSOR
2.	7M-9916	[1]	CLAMP AS
3.	7M-9918	[1]	NUT-SELF LOCKING
4.	7N-6182	[1]	HOUSING AS-TURBINE
5.	3B-0551	[4]	PLUG-PIPE
6.	1B-5174	[7]	PLUG-PIPE
7.	5S-4517	[1]	CLAMP AS
	7M-9918	[1]	NUT-SELF LOCKING
8.	6N-6130 R	[1]	CARTRIDGE AS
	4N-8124 R	[1]	HOUSING AS-BEARING
	5S-5199	[2]	PIN-GROOVE
9.	7N-0239 J	[1]	NUT-TURBO COMPRESSOR
10.	6N-6129	[1]	WHEEL-COMPRESSOR
11.	4N-7598 J	[1]	SLEEVE-FLINGER
12.	4M-8013 J	[1]	RING-PISTON
13.	5S-4556	[1]	INSERT
14.	5S-4546 J	[1]	RING-RETAINING
15.	5P-5757 J	[1]	SEAL-O-RING
16.	5S-4549 J	[1]	DEFLECTOR-OIL
17.	4N-7597	[1]	BEARING AS
18.	5S-4547 J	[1]	SLEEVE-SPACER
19.	4N-7609	[2]	RING-THRUST
20.	5S-4557 J	[2]	BEARING
21.	4M-6983 J	[4]	RING-RETAINING
22.	7N-2856 J	[1]	RING-SEAL
23.	4N-7596	[1]	BACKPLATE-TURBINE
24.	4N-7594 R	[1]	WHEEL AS
25.	4N-8155	[1]	NAMEPLATE-TURBO
26.	4B-4158	[1]	SCREW

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	2W-0727	[1]	KIT-CARTRIDGE (INCL PARTS MARKED J)
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190155

7N-7721: TURBOCHARGER GP

TURBOCHARGER GP

7N7721 TURBOCHARGER GROUP
Serial No. 91U862-Up. For Direct Injection Engine
7N7720 Turbocharger parts are shown on Page 54C-3. AN ATTACHMENT

c220194 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-7720 Y	[1]	TURBOCHARGER GROUP
			(Separate Illustration)
2.	2N-2766	[4]	LOCKNUT
3.	7M-7273	[1]	GASKET
	Y		SEPARATE ILLUSTRATION

#SEBP10190156

7N-7720: TURBOCHARGER GP

TURBOCHARGER GP

7N7720 TURBOCHARGER GROUP
Serial No. 91U862-Up. Part of 7N7721 Turbocharger Group shown on Page 54C-2
AN ATTACHMENT

c301771 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-6128	[1]	HOUSING (compressor)
2.	7M-9916	[1]	V CLAMP ASSEM.
			(Includes)
	7M-9918	[1]	NUT
4.	3B-0551	[4]	PLUG
5.	1B-5174 C	[7]	PLUG
7.	5S-4517	[1]	V CLAMP ASSEM.
			(Includes)
	7M-9918	[1]	NUT
8.	6N-6130 R	[1]	CARTRIDGE ASSEM.
			(Includes)
	4N-8124 R	[1]	HOUSING ASSEM.
			(Includes)
	5S-5199	[2]	PIN
9.	7N-0239 H	[1]	NUT
10.	6N-6129	[1]	WHEEL
11.	4N-7598 H	[1]	SLEEVE
12.	4M-8013 H	[1]	RING
13.	5S-4556	[1]	INSERT
14.	5S-4546 H	[1]	RING
15.	5P-5757 H	[1]	SEAL
16.	5S-4549 H	[1]	DEFLECTOR
17.	4N-7597	[1]	BEARING
18.	5S-4547 H	[1]	SLEEVE
19.	4N-7609	[2]	RING
20.	5S-4557 H	[2]	BEARING
21.	4M-6983 H	[4]	RING
22.	7N-2856 H	[1]	RING
23.	4N-7596	[1]	SHROUD
24.	4N-7594 R	[1]	WHEEL ASSEM.
25.	4N-8155	[1]	NAMEPLATE
26.	4B-4158	[1]	SCREW
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	6N-7248	[1]	KIT (cart ridge repair)
			(Includes parts marked h)
	C		INDICATES CHANGE
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190157

6N-6131: TURBOCHARGER GP

TURBOCHARGER GP

6N6131 TURBOCHARGER GROUP--Water Cooled
Field Installation for 7N7718 shown on Page 54C-1

c210498 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-6128	[1]	COVER (compressor)
2.	7M-9916	[1]	V CLAMP ASSEM.
3.	7M-9918	[1]	NUT
4.	6N-0573	[1]	HOUSING (turbine)
5.	3B-0551	[4]	PLUG
7.	5S-4517	[1]	V CLAMP ASSEM.
	7M-9918	[1]	NUT
8.	6N-6130 R	[1]	CARTRIDGE ASSEM.
	4N-8124 R	[1]	HOUSING ASSEM.
	5S-5199	[2]	PIN
9.	7N-0239 H	[1]	NUT
10.	6N-6129	[1]	WHEEL
11.	4N-7598 H	[1]	SLEEVE
12.	4M-8013 H	[1]	RING
13.	5S-4556	[1]	INSERT
14.	5S-4546 H	[1]	RING
15.	5P-5757 H	[1]	SEAL
16.	5S-4549 H	[1]	DEFLECTOR
17.	4N-7597	[1]	BEARING
18.	5S-4547 H	[1]	SLEEVE
19.	4N-7609	[2]	RING
20.	5S-4557 H	[2]	BEARING
21.	4M-6983 H	[4]	RING
22.	4N-7595 H	[1]	RING
23.	4N-7596	[1]	SHROUD
24.	4N-7594 R	[1]	WHEEL ASSEM.
25.	4N-8155	[1]	NAMEPLATE
26.	4B-4158	[1]	SCREW
			THE FOLLOWING REPAIR KIT IS AVAILABLE:
	6N-7248		KIT (cartridge repair)
			(Includes parts marked h.)

#SEBP10190158

6N-6132: TURBOCHARGER GP

TURBOCHARGER GP

6N6132 TURBOCHARGER GROUP
Field Installation for 6N8954 shown on Page 54C

c210824 SEBP1019

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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-6128	[1]	COVER-COMPRESSOR
2.	7M-9916	[1]	CLAMP AS
3.	7M-9918	[1]	NUT-SELF LOCKING
4.	6N-0574	[1]	HOUSING-TURBINE
5.	3B-0551	[4]	PLUG-PIPE
6.	1B-5174	[4]	PLUG-PIPE
7.	5S-4517	[1]	CLAMP AS
	7M-9918	[1]	NUT-SELF LOCKING
8.	6N-6130 R	[1]	CARTRIDGE AS
	4N-8124 R	[1]	HOUSING AS-BEARING
	5S-5199	[2]	PIN-GROOVE
9.	4N-7600 J	[1]	NUT-COMPRESSOR
10.	6N-6129	[1]	WHEEL-COMPRESSOR
11.	4N-7598 J	[1]	SLEEVE-FLINGER
12.	4M-8013 J	[1]	RING-PISTON
13.	5S-4556	[1]	INSERT
14.	5S-4546 J	[1]	RING-RETAINING
15.	5P-5757 J	[1]	SEAL-O-RING
16.	5S-4549 J	[1]	DEFLECTOR-OIL
17.	4N-7597	[1]	BEARING AS
18.	5S-4547 J	[1]	SLEEVE-SPACER
19.	4N-7609	[2]	RING-THRUST
20.	5S-4557 J	[2]	BEARING
21.	4M-6983 J	[4]	RING-RETAINING
22.	4N-7595 J	[1]	RING
23.	4N-7596	[1]	BACKPLATE-TURBINE
24.	4N-7594 R	[1]	WHEEL AS
25.	4N-8155	[1]	NAMEPLATE-TURBO
26.	4B-4158	[1]	SCREW

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	6N-7248	[1]	KIT-CARTRIDGE (INCL PARTS MARKED J)
	R		REMFG PART MAY BE AVAILABLE

#SEBP10190159

6N-0576: TURBOCHARGER GP

TURBOCHARGER GP

6N576 TURBOCHARGER GROUP (4N6597 N/S)--Watercooled--Type 1
AN ATTACHMENT

c205719 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.	7M-9916	[1]	V CLAMP ASSEM.
	7M-9918	[1]	NUT
3.	6N-0573	[1]	HOUSING (turbine)
4.	7M-7273 H	[1]	GASKET
5.	2N-2766 H	[4]	NUT
6.	1B-5174	[9]	PLUG
7.	5S-4517	[1]	V CLAMP ASSEM.
	7M-9918	[1]	NUT
8.	4N-7601 R	[1]	CARTRIDGE ASSEM.
	4N-8124 R	[1]	HOUSING ASSEM.
	5S-5199	[2]	PIN
9.	4N-7600	[1]	NUT
10.	4N-7599	[1]	WHEEL
11.	4N-7598	[1]	SLEEVE
12.	4M-8013	[1]	RING
13.	5S-4556	[1]	INSERT
14.	5S-4546	[1]	RING
15.	5S-4548	[1]	SEAL
16.	5S-4549	[1]	DEFLECTOR
17.	4N-7597	[1]	BEARING
18.	5S-4547	[1]	SLEEVE
19.	4N-7609	[2]	RING
20.	5S-4557	[2]	BEARING
21.	4M-6983	[4]	RING
22.	4N-7595	[1]	RING
23.	4N-7596	[1]	SHROUD
24.	4N-7594 R	[1]	WHEEL ASSEM.
25.	4N-8155	[1]	NAMEPLATE
26.	4B-4158	[1]	SCREW
	H		NOT PART OF 6N576 TURBOCHARGER
	R		REMFG PART MAY BE AVAILABLE