G3612 and G3616 Engines Caterpillar


Engine Design

Usage:

G3616 4CG



Illustration 1g00472128

Cylinder and valve location

(A) Inlet valve

(B) Gas admission valve

(C) Exhaust valve

Number and arrangement of cylinders ... 50 degree Vee 16

Valves per cylinder

Inlet valves ... 2
Exhaust valves ... 2
Gas admission valve ... 1

Bore ... 300 mm (11.8 inch)

Stroke ... 300 mm (11.8 inch)

Displacement ... 339.3 L (20,700 cu in)

Compression ratio ... 9.2:1

Compression ratio ... 10.5:1

Combustion ... Spark ignited

Firing order

Standard rotation CCW ... 1-2-5-6-3-4-9-10-15-16-11-12-13-14-7-8

Valve lash

Inlet valve ... 0.50 mm (0.020 inch)
Exhaust valve ... 1.27 mm (0.050 inch)
Gas admission valve ... 0.64 mm (0.025 inch)

When the crankshaft is viewed from the flywheel end the crankshaft rotates in the following direction. ... Counterclockwise

Note: The front end of the engine is opposite the flywheel end of the engine. The left and the right side of the engine are determined from the flywheel end. The number 1 cylinder is the front cylinder on the right side. The number 2 cylinder is the front cylinder on the left side.

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