4N0878 AIR CLEANER GP Caterpillar parts
3406, 3406B, 3406C, 3408, 3412, 3456, HT400
Rating:
Alternative (cross code) number:
CA4N0878
4N-0878
4N0878
CA4N0878
4N-0878
4N0878
Weight: 40 pounds 18 kg.
GEN SET ENGINE, PUMPER,
Compatible equipment models: 4N0878:
Information:
table
To prevent possible injury, do not use the starter to turn the flywheel. Hot engine components can cause burns. Allow additional time for the engine to cool before measuring valve clearance.
This engine uses high voltage to control the fuel injectors.Disconnect electronic fuel injector enable circuit connector to prevent personal injury.Do not come in contact with the fuel injector terminals while the engine is running.
Note: Valve lash is measured between the rocker arm and the valve bridge. All measurements and adjustments must be made with the engine stopped and the valves fully closed.Specifications
Table 1
Valve Lash (Engine Stopped)     Inlet Valves     Exhaust Valves    
0.38 0.08 mm
(0.015 0.003 inch)
0.81 0.080 mm
(0.032 0.003 inch)    
TC Compression Stroke     1-2-4     1-3-5    
TC Exhaust Stroke (1)     3-5-6     2-4-6    
Firing Order     1-5-3-6-2-4 (2)    
( 1 ) 360° from TC compression stroke
( 2 ) The No. 1 cylinder is at the front of the engine.An adjustment is not necessary if the measurement of the valve lash is in the acceptable range in Table 1.
Illustration 1 g03324629
Top view of valve mechanism (1) Intake valve locknut (2) Exhaust valve locknut
Table 2
Torque Specifications    
Callout     Torque    
Locknut (1)
Locknut (2)    
30 7 N m (22 5 lb ft)    If the measurement is not within this range, an adjustment is necessary. Refer to "Valve Lash Adjustment" for the proper procedure.Valve Lash Adjustment Procedure
Illustration 2 g01373511
Cylinder and valve location (A) Exhaust valves (B) Inlet valvesUse the following procedure to adjust the valve lash:
Put the No. 1 piston at the top center position on the compression stroke. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".
Table 3
TC Compression Stroke    Inlet Valves    Exhaust Valves  
To prevent possible injury, do not use the starter to turn the flywheel. Hot engine components can cause burns. Allow additional time for the engine to cool before measuring valve clearance.
This engine uses high voltage to control the fuel injectors.Disconnect electronic fuel injector enable circuit connector to prevent personal injury.Do not come in contact with the fuel injector terminals while the engine is running.
Note: Valve lash is measured between the rocker arm and the valve bridge. All measurements and adjustments must be made with the engine stopped and the valves fully closed.Specifications
Table 1
Valve Lash (Engine Stopped)     Inlet Valves     Exhaust Valves    
0.38 0.08 mm
(0.015 0.003 inch)
0.81 0.080 mm
(0.032 0.003 inch)    
TC Compression Stroke     1-2-4     1-3-5    
TC Exhaust Stroke (1)     3-5-6     2-4-6    
Firing Order     1-5-3-6-2-4 (2)    
( 1 ) 360° from TC compression stroke
( 2 ) The No. 1 cylinder is at the front of the engine.An adjustment is not necessary if the measurement of the valve lash is in the acceptable range in Table 1.
Illustration 1 g03324629
Top view of valve mechanism (1) Intake valve locknut (2) Exhaust valve locknut
Table 2
Torque Specifications    
Callout     Torque    
Locknut (1)
Locknut (2)    
30 7 N m (22 5 lb ft)    If the measurement is not within this range, an adjustment is necessary. Refer to "Valve Lash Adjustment" for the proper procedure.Valve Lash Adjustment Procedure
Illustration 2 g01373511
Cylinder and valve location (A) Exhaust valves (B) Inlet valvesUse the following procedure to adjust the valve lash:
Put the No. 1 piston at the top center position on the compression stroke. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".
Table 3
TC Compression Stroke    Inlet Valves    Exhaust Valves  
Caterpillar SIS machinery equipment:
Caterpillar SIS
3406 INDUSTRIAL ENGINE 90U00440-19730 »
4N-0878
AIR CLEANER GP
3406 MARINE ENGINE 91U00123-UP »
4N-0878
AIR CLEANER GP
3408 MARINE ENGINE 99U00001-04603 »
4N-0878
AIR CLEANER GP
3408 INDUSTRIAL ENGINE 67U00001-UP »
4N-0878
AIR CLEANER GP
3412B Marine Engine 60M00001-05160 »
4N-0878
AIR CLEANER GP
3412 INDUSTRIAL ENGINE 38S00001-13235 »
4N-0878
AIR CLEANER GP
3408 INDUSTRIAL ENGINE 67U02792-11091 »
4N-0878
AIR CLEANER GP
3406 GENERATOR SET ENGINE 75Z00001-UP »
4N-0878
AIR CLEANER GP
3406B MARINE ENGINE 4TB00001-03481 »
4N-0878
AIR CLEANER GP
3406B INDUSTRIAL ENGINE 6TB00001-09165 »
4N-0878
AIR CLEANER GP
3406B GENERATOR SET ENGINE 2WB00001-11475 »
4N-0878
AIR CLEANER GP
3408B Industrial Engine 67U11092-UP »
4N-0878
AIR CLEANER GP
3406B Generator Set 4RG00001-01501 »
4N-0878
AIR CLEANER GP
3406 Industrial Engine 90U19731-UP »
4N-0878
AIR CLEANER GP
3406C Industrial Engine 3ER00001-UP »
4N-0878
AIR CLEANER GP
3406C Generator Set 1LS00001-UP »
4N-0878
AIR CLEANER GP
3406C Generator Set 4ZR00001-UP »
4N-0878
AIR CLEANER GP
3406B INDUSTRIAL ENGINE 6TB09166-09856 »
4N-0878
AIR CLEANER GP
3406B INDUSTRIAL ENGINE 6TB09166-09856 »
4N-0878
AIR CLEANER GP
3406C Industrial Engine 6TB09857-UP »
4N-0878
AIR CLEANER GP
3406C Generator Set 2WB11476-UP »
4N-0878
AIR CLEANER GP
3456 DPGDS Generator Set-Military 9BZ00001-UP »
4N-0878
AIR CLEANER GP
3406C Generator Set Engine 4RG01502-UP »
4N-0878
AIR CLEANER GP
3406C Generator Set KPS00001-UP »
4N-0878
AIR CLEANER GP
HT400 Pumper, Cement 71400001-UP »
4N-0878
AIR CLEANER GP
3406C Industrial Engine 7T200001-UP »
4N-0878
AIR CLEANER GP
3406C Industrial Engine 5H900001-UP »
4N-0878
AIR CLEANER GP
3406 INDUSTRIAL ENGINE 90U00001-00439 »
4N-0878
AIR CLEANER GP
3406 MARINE ENGINE 91U00001-00122 »
4N-0878
AIR CLEANER GP
Caterpillar parts catalog:
Parts air Caterpillar catalog:
1630820
AIR CLEANER GP
3126B, 3406E, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3456, C-15, C-16, C11, C13, C15, C18, CX31-C13I, CX31-C15I, CX35-P800, TH35-C11I, TH35-C13I, TH35-C15I, TH35-E81
3126B, 3406E, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3456, C-15, C-16, C11, C13, C15, C18, CX31-C13I, CX31-C15I, CX35-P800, TH35-C11I, TH35-C13I, TH35-C15I, TH35-E81
1N3964
AIR CLEANER GP
3408, 3412
3408, 3412
1266110
AIR COMPRESSOR GP
3126B, 3208, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, C18, C27, C32, C7, C9, PR-1000, SPT342, TH48-E70
3126B, 3208, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, C18, C27, C32, C7, C9, PR-1000, SPT342, TH48-E70
4W0086
AIR CLEANER GP
3408, 3412
3408, 3412
1N3965
AIR CLEANER GP
3412, G3406
3412, G3406
1N2992
AIR COMPRESSOR GP
3406B, 3406C, 623F
3406B, 3406C, 623F
4P9220
AIR CLEANER GP
3412, 3412E
3412, 3412E
4P9221
AIR CLEANER GP
3412, 3412E
3412, 3412E
9S0855
AIR RESERVOIR ASSEMBLY
D9G, D9H
D9G, D9H
1170070
AIR COMPRESSOR GP
5130, 5130B, 5230, 5230B, 776C, 776D, 777D, 784B, 785, 785B, 797, 797B, 994, 994D, 994F, 994H
5130, 5130B, 5230, 5230B, 776C, 776D, 777D, 784B, 785, 785B, 797, 797B, 994, 994D, 994F, 994H
2P5080
AIR CLEANER GP
215B, 215C, 215D, 219D, 225, 225D, 229, 229D, 3208, 613, 955K, 955L, 980B, PS-500
215B, 215C, 215D, 219D, 225, 225D, 229, 229D, 3208, 613, 955K, 955L, 980B, PS-500
7E7706
AIR CLEANER GP
416B, 426B, 428B, 436B, 438B
416B, 426B, 428B, 436B, 438B
8N3372
AIR CLEANER GP
3408, 3408C
3408, 3408C
2408552
AIR CLEANER GP
953D, 963D, D5R LGP, D6K, D6K LGP, D6K XL, D6N, M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D, M322D MH, PL61
953D, 963D, D5R LGP, D6K, D6K LGP, D6K XL, D6N, M313D, M315D, M315D 2, M316D, M317D 2, M318D, M318D MH, M322D, M322D MH, PL61
2583320
AIR CLEANER GP
246C, 256C, 262C, 262C2, 272C, 277C, 277C2, 279C, 279C2, 287C, 287C2, 289C, 289C2, 297C, 299C
246C, 256C, 262C, 262C2, 272C, 277C, 277C2, 279C, 279C2, 287C, 287C2, 289C, 289C2, 297C, 299C
9Y6103
AIR CLEANER GP
3406B, 3406C
3406B, 3406C