3056 Engine for Caterpillar Built Machines Caterpillar

Illustration 1	g00577199
(A) Exhaust valves (B) Inlet valves

Type ... Six cylinder and four stroke

Combustion system ... Direct injection

Aspiration ... Aspiration can be turbocharged or naturally aspirated.

Nominal bore ... 100 mm (3.937 inch)

Stroke ... 127 mm (5.00 inch)

Displacement ... 6 L (366 in³)

Compression ratio ... 17.25:1

Number of cylinders ... 6

Arrangement of cylinders ... In-line

Firing order ... 1, 5, 3, 6, 2, 4

Valve Lash

Inlet valve ... 0.20 mm (0.008 inch)

Exhaust valve ... 0.45 mm (0.018 inch)

When the crankshaft is viewed from the front of the engine, the crankshaft rotates in the following direction: ... Clockwise

When the camshaft is viewed from the front of the engine, the camshaft rotates in the following direction: ... Clockwise

Note: The front end of the engine is opposite the flywheel end of the engine. The left side and the right side of the engine are determined from the flywheel end of the engine. The No. 1 cylinder is the front cylinder of the engine.