4N6866 CYLINDER BLOCK COVER GROUP FOR PRECOMBUSTION CHAMBERED ENGINES 3408 ENGINE - MACHINE

BASIC ENGINE

CYLINDER BLOCK GP

0. 4N-6866 COVER GP-C
1. 4N-1960 COVER GP-C

CRANKSHAFT GP

2. 7N-3407 CRANKSHAFT
3. 7N-3410 CRANKSHAFT
4. 7N-3410 CRANKSHAFT
5. 7N-3410 CRANKSHAFT
6. 1W-5009 CRANKSHAFT
7. 1W-5010 CRANKSHAFT

BALANCER GP

8. 4N-1092 BALANCER G

CRANKSHAFT GP

9. CRANKSHAFT
0. INFORMATION

ENGINE - MACHINE 3408 ENGINE - MACHINE 67U
3408 INDUSTRIAL ENGINE 67U02792-11091 SEBP1244 3408 67U (2018)

BASIC ENGINE

CYLINDER BLOCK GP

7N-9681 CYLINDER BLOCK GP

4N-0801 CYLINDER BLOCK GP

7N-9681 CYLINDER BLOCK GP

6N-2151 CYLINDER BLOCK GP

7N-9683 CYLINDER BLOCK GROUP

7N-0851 CYLINDER BLOCK AS

7N-0853 CYLINDER BLOCK GP

4N-6866 COVER GP-CYLINDER BLOCK

4N-1960 COVER GP-CYLINDER BLOCK

9N-5449 CYLINDER BLOCK AS

#SEBP12440120

4N-6866: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

4N6866 CYLINDER BLOCK COVER GROUP
FOR PRECOMBUSTION CHAMBERED ENGINES

c545093 SEBP1244

4N6866 COVER GP-CYLINDER BLOCK Parts scheme

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments

#SEBP12440121

4N-1960: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

4N1960 CYLINDER BLOCK COVER GROUP
FOR DIRECT INJECTION ENGINES

c210183 SEBP1244

4N1960 COVER GP-CYLINDER BLOCK Parts scheme

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-2772	[1]	COVER
	4N-0933 B	[1]	GASKET
2.	4N-1683	[1]	COVER
	4N-1684	[1]	GASKET
3.	4N-1779	[1]	COVER
	4N-4307	[1]	GASKET
4.	4N-1682	[1]	COVER
	4N-0864	[1]	GASKET
5.	4N-0794 B	[1]	COVER
	4N-0790	[1]	GASKET
6.	0S-1594 CB	[14]	BOLT
7.	5M-2894 B	[16]	WASHER
8.	0L-1351 CB	[2]	BOLT
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12440122

7N-3407: CRANKSHAFT AS

CRANKSHAFT AS

7N3407 CRANKSHAFT ASSEMBLY*R
SERIAL NO. 67U2792 TO 67U11090 INCLUSIVE
PART OF 7N3410 CRANKSHAFT

c226141 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0684	[1]	PIN-DOWEL
2.	7N-7591 C	[1]	GEAR-CRANKSHAFT (80 TEETH)
3.	9F-2247	[5]	PLUG
4.	7S-5005	[1]	DOWEL
	C		CHANGE FROM PREVIOUS TYPE

#SEBP12440123

7N-3410: CRANKSHAFT GP

CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
SERIAL NO. 67U2792 TO 67U11090 INCLUSIVE
7N3407-PAGE 69

c234686 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-3407 YR	[1]	CRANKSHAFT AS
2.	8N-5421 C	[5]	BEARING-MAIN
3.	1W-5252 C	[2]	PLATE-THRUST
4.	7N-1999 C	[2]	SEAL GP-CRANKSHAFT
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP12440124

7N-3410: CRANKSHAFT GP

CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
SERIAL NO. 67U11092-UP

c326430 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-6209 R	[1]	CRANKSHAFT AS
2.	7S-5005	[1]	DOWEL
3.	7N-7591	[1]	GEAR-CRANKSHAFT (80 TEETH)
4.	4N-0684	[1]	PIN-DOWEL
5.	4W-5492	[5]	BEARING-MAIN
6.	1W-5252	[2]	PLATE-THRUST
7.	2W-1733	[1]	SEAL GP-CRANKSHAFT
8.	2W-1734	[1]	SEAL GP-CRANKSHAFT
	R		REMFG PART MAY BE AVAILABLE

#SEBP12440125

7N-3410: CRANKSHAFT GP

CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
SERIAL NO. 67U11091 ONLY

c326411 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-6209 R	[1]	CRANKSHAFT AS
2.	7S-5005	[1]	DOWEL
3.	7N-7591	[1]	GEAR-CRANKSHAFT (80 TEETH)
4.	4N-0684	[1]	PIN-DOWEL
5.	4W-5492	[5]	BEARING-MAIN
6.	1W-5252	[2]	PLATE-THRUST
7.	7N-1999	[2]	SEAL GP-CRANKSHAFT
	R		REMFG PART MAY BE AVAILABLE

#SEBP12440126

1W-5009: CRANKSHAFT AS

CRANKSHAFT AS

1W5009 CRANKSHAFT ASSEMBLY*R
PART OF 1W5010 CRANKSHAFT

c601314 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0684	[1]	DOWEL
2.	8T-6757	[5]	PLUG-PIPE
3.	7S-5005	[1]	DOWEL
4.	7N-7591	[1]	GEAR-CRANKSHAFT (80 TEETH)

#SEBP12440127

1W-5010: CRANKSHAFT GP

CRANKSHAFT GP

1W5010 CRANKSHAFT GROUP
1W5009-PAGE 69.02

c552216 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-5009 RY	[1]	CRANKSHAFT AS
2.	4W-5492	[5]	BEARING-MAIN (STANDARD)
	4W-5698 AC	[5]	BEARING-MAIN .025IN US
	4W-5699 AC	[5]	BEARING-MAIN .050IN US
	4W-5700 AC	[5]	BEARING-MAIN .025IN US
	4W-5701 AC	[5]	BEARING-MAIN .025IN US
3.	7E-9262	[2]	PLATE-THRUST
4.	2W-1733 C	[1]	SEAL GP-CRANKSHAFT
5.	2W-1734 C	[1]	SEAL GP-CRANKSHAFT
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP12440128

4N-1092: BALANCER GP

BALANCER GP

4N1092 REAR BALANCER GROUP
SERIAL NO. 67U2792 TO 67U6251 INCLUSIVE

c207148 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1351	[4]	BOLT
2.	4N-0857	[1]	SHAFT
3.	4N-1018	[1]	GEAR ASSEM.
			(Includes)
4.	4N-1015	[1]	BEARING
5.	0S-1618	[1]	BOLT 25.40 mm(1 in.) long
			-OR-
	1A-9579 C	[1]	BOLT 38.10 mm(1.50 in.) long
6.	9M-1974	[1]	WASHER
7.	4N-6576	[1]	PLATE
	C		INDICATES CHANGE

#SEBP12440129

CRANKSHAFT BEARING REPLACEMENTS

SEBP12440129 SEBP1244

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Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Part No	Qty	Parts name
		CYLINDER BLOCK NOT REBORED
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:

8N-5422	[1]	0.63 MM
8N-5423	[1]	1.27 MM

		CYLINDER BLOCK REBORED (0.63MM)
		(BEARING OVERSIZE O.D.)
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:

8N-5424	[1]	0 (STANDARD)
8N-5425	[1]	0.63 MM