3412E and C30 Engines Caterpillar

Illustration 1	g01113721

(A) Inlet valves

(B) Exhaust valves

Bore ... 137.2 mm (5.40 inch)

Stroke ... 152.4 mm (6.00 inch)

Displacement ... 27 L (1650 cu in)

Arrangement of cylinders ... 65 degree V12

Valves per Cylinder ... 4

Valve Lash Measurement

Inlet ... 0.38 ± 0.08 mm (0.015 ± 0.003 inch)

Exhaust ... 0.76 ± 0.08 mm (0.030 ± 0.003 inch)

Firing order ... 1, 4, 9, 8, 5, 2, 11, 10, 3, 6, 7, 12

Crankshaft rotation direction (view from the flywheel end) ... Counterclockwise

Number one cylinder is the front cylinder on the left side.

Number two cylinder is the front cylinder on the right side.

Note: The front of the engine is opposite of the flywheel end of the engine. The left side of the engine and the right side of the engine are viewed from the flywheel end of the engine.