D399, G399, D398, G398, D379, G379 ENGINES Caterpillar


Firing Order

Usage:



A-Flywheel end. B-Left bank. C-Right bank.

SAE Standard Rotation (Counterclockwise Rotation)

D399 Engine ... 1-2-5-6-3-4-9-10-15-16-11-12-13-14-7-8

G399 Engine ... 1-2-11-12-3-4-9-10-15-16-5-6-13-14-7-8

D398 Engine and G398 Engine ... 1-12-9-4-5-8-11-2-3-10-7-6

D379 Engine and G379 Engine ... 1-8-5-4-7-2-3-6

SAE Opposite Rotation (Clockwise Rotation)

D399 Engine ... 1-6-5-4-3-10-9-16-15-12-11-14-13-8-7-2

G399 Engine ... 1-12-11-4-3-10-9-16-15-6-5-14-13-8-7-2

D398 Engine and G398 Engine ... 1-4-9-8-5-2-11-10-3-6-7-12

D379 Engine and G379 Engine ... 1-4-5-2-7-6-3-8

Caterpillar Information System:

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D399, G399, D398, G398, D379, G379 ENGINES Engine Rotation
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D399, G399, D398, G398, D379, G379 ENGINES Camshaft And Timing Gears
D399, G399, D398, G398, D379, G379 ENGINES Service Meter
D399, G399, D398, G398, D379, G379 ENGINES Crankshaft
D399, G399, D398, G398, D379, G379 ENGINES Cylinder Liner
D399, G399, D398, G398, D379, G379 ENGINES Oil Filter
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