C27 and C32 Industrial and Petroleum Engines Caterpillar

Engine Design

Usage:

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Illustration 1	g01113721
(A) Inlet valves (B) Exhaust valves

Bore ... 137.7 mm (5.42 inch)

Stroke ... 152.4 mm (6.00 inch)

Displacement ... 27 L (1648 cu in)

Compression ratio ... 16.5:1

Cylinder arrangement ... 65 degrees V12

Valves per cylinder ... 4

Type of combustion ... Direct injection

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)

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

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

The no. 1 cylinder is the front cylinder on the left side of the cylinder block. The no. 2 cylinder is the front cylinder on the right side of the cylinder block.

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 is viewed from the flywheel end of the engine.

Caterpillar Information System:

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