4N9442 CRANKSHAFT ASSEMBLY Serial No. 67U1 to 67U449 inclusive Part of 4N920 Crankshaft Group 3408 ENGINE - MACHINE

BASIC ENGINE

CRANKSHAFT GP

0. 4N-9442 KIT-CRANKS
1. 7N-3410 CRANKSHAFT
2. 7N-3407 CRANKSHAFT
3. CRANKSHAFT

BALANCER GP

4. 4N-1092 BALANCER G

CRANKSHAFT GP

5. CRANKSHAFT

FLYWHEEL GP

6. 4N-3825 GEAR GP-RE

PISTON & ROD GP

7. 4N-1993 PISTON & R
8. 4N-1994 PISTON & R
9. 7N-3518 PISTON & R
0. INFORMATION

ENGINE - MACHINE 3408 ENGINE - MACHINE 67U
3408 INDUSTRIAL ENGINE 67U00001-UP SEBP1094 3408 67U (2018)

BASIC ENGINE

CRANKSHAFT GP

4N-0920 CRANKSHAFT GROUP

4N-9442 KIT-CRANKSHAFT

7N-3410 CRANKSHAFT GP

7N-3407 CRANKSHAFT AS

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENT

#SEBP10940050

4N-9442: KIT-CRANKSHAFT

KIT-CRANKSHAFT

4N9442 CRANKSHAFT ASSEMBLY
Serial No. 67U1 to 67U449 inclusive
Part of 4N920 Crankshaft Group

c156201 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0684	[1]	PIN
2.	4N-0848	[2]	SLEEVE
3.	9F-2247	[5]	PLUG
4.	7S-5005	[1]	DOWEL
5.	4N-0418	[1]	GEAR (80 teeth)

#SEBP10940051

7N-3410: CRANKSHAFT GP

CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
Serial No. 67U450-Up

c165990 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-3407 RY	[1]	CRANKSHAFT ASSEM.
			(Separate Illustration)
2.	6N-8743	[5]	BEARING
3.	4N-0849	[2]	PLATE
4.	5S-9022	[2]	SEAL
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP10940052

7N-3407: CRANKSHAFT AS

CRANKSHAFT AS

7N3407 CRANKSHAFT ASSEMBLY
Serial No. 67U450-Up
Part of 7N3410 Crankshaft Group

c165991 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0684	[1]	PIN
2.	4N-0848	[2]	SLEEVE
3.	9F-2247	[5]	PLUG
4.	7S-5005	[1]	DOWEL
5.	4N-0418	[1]	GEAR (80 teeth)

#SEBP10940053

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
Serial No. 67U1 to 67U449 inclusive

SEBP10940053 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Part No	Qty	Parts name
6N-4168	[1]	BEARING MAIN (.025 UNDERSIZE)
6N-4169	[1]	BEARING MAIN (.025 OVERSIZE .025 UNDERSIZE)
6N-4170	[1]	BEARING MAIN (.050 UNDERSIZE)
6N-4171	[1]	BEARING MAIN (.025 OVERSIZE)

#SEBP10940054

4N-1092: BALANCER GP

BALANCER GP

4N1092 REAR BLANCER GROUP

c207148 SEBP1094

For full view, you need register

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

#SEBP10940055

CRANKSHAFT BEARING REPLACEMENT

CRANKSHAFT BEARING REPLACEMENT
Serial No. 67U450-Up

SEBP10940055 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Part No	Qty	Parts name
7N-1192	[1]	BEARING MAIN (.025 UNDERSIZE)
7N-1193	[1]	BEARING MAIN (.025 UNDERSIZE .025 OVERSIZE)
7N-1194	[1]	BEARING MAIN (.050 UNDERSIZE)
7N-1195	[1]	BEARING MAIN (.025 OVERSIZE)

#SEBP10940056

4N-3825: GEAR GP-REAR

GEAR GP-REAR

4N3825 REAR GEAR GROUP

c932042 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0860	[1]	GEAR (86 teeth)
2.	1B-9575	[4]	BOLT
	9M-1974	[4]	WASHER

#SEBP10940057

4N-1993: PISTON & ROD GP

PISTON & ROD GP

4N1993 ROD AND PISTON GROUP--8 Required
For Direct Injection Engines

c210125 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1M-6101	[1]	PIN
2.	008-3214	[2]	RING
3.	4N-0390	[1]	ROD ASSEM.
			(Includes)
	8L-3440	[1]	BEARING
4.	6N-8942 C	[2]	BOLT
	8L-3441	[2]	NUT
5.	6N-7436 C	[1]	BEARING
	6N-4166 H	[1]	BEARING
			.025 in. (.64 mm) undersize
	6N-4167 H	[1]	BEARING
			.050 in. (1.27 mm) undersize
6.	6N-4784	[1]	PISTON GROUP
			(Includes)
7.	4N-5692	[1]	RING (oil)
8.	2P-2817	[1]	RING (intermediate)
9.	3N-0603	[1]	RING (top)
	4N-5619 H	[1]	RING GROUP
			(Consists of complete set of Rings for one Piston)
	C		INDICATES CHANGE
	H		NOT PART OF THIS GROUP

#SEBP10940058

4N-1994: PISTON & ROD GP

PISTON & ROD GP

4N1994 ROD AND PISTON GROUP--8 Required
For Precombustion Chambered Engines

c210181 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8L-3443	[1]	PIN
2.	008-3214	[2]	RING
3.	4N-0390	[1]	ROD ASSEM.
			(Includes)
	8L-3440	[1]	BEARING
4.	6N-8942 C	[2]	BOLT
	8L-3441	[2]	NUT
5.	6N-7436	[1]	BEARING
	6N-4166 H	[1]	BEARING
			.025 in. (.64 mm) undersize
	6N-4167 H	[1]	BEARING
			.050 in. (1.27 mm) undersize
6.	6N-4127	[1]	PISTON GROUP
			(Includes)
7.	4N-5692	[1]	RING (oil)
8.	2P-2817	[1]	RING (intermediate)
9.	3N-0603	[1]	RING (top)
	4N-5619 H	[1]	RING GROUP
			(Consists of complete set of Rings for one Piston)
	C		INDICATES CHANGE
	H		NOT PART OF THIS GROUP

#SEBP10940059

7N-3518: PISTON & ROD GP

PISTON & ROD GP

7N3518 ROD AND PISTON GROUP--8 Required
For Direct Injection Engines

c219254 SEBP1094

For full view, you need register

Parts for your 3408 ENGINE - MACHINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1M-6101	[1]	PIN
2.	008-3214	[2]	RING
3.	7N-3229 R	[1]	ROD ASSEM.
			(Includes)
	7N-3230	[1]	BEARING
4.	6N-8942	[2]	BOLT
	8L-3441	[2]	NUT
5.	6N-7436	[1]	BEARING
	6N-4166 H	[1]	BEARING .025 in.(.64 mm) undersize
	6N-4167 H	[1]	BEARING .050 in.(1.27 mm) undersize
6.	7N-3635	[1]	PISTON GROUP
			(Includes)
7.	7N-7078	[1]	RING (oil)
8.	2P-2817	[1]	RING (intermediate)
9.	3N-0603	[1]	RING (top)
	4N-5619 H	[1]	RING GROUP
			(Consists of complete set of Rings for one Piston)
	H		NOT PART OF THIS GROUP
	R		REMFG PART MAY BE AVAILABLE