3304 & 3306 – Timing Gears

1. Drive gear for fuel injection pump. 2. Idler gear for fuel injection pump. 3. Camshaft gear. 4. Crankshaft gear. 5. Balancer shafts (3304 Engines only). 6. Idler gear for oil pump. 7. Drive gear for oil pump.

The timing gears are at the front of the cylinder block. Their cover is the housing for the timing gears. The timing gears keep the rotation of the crankshaft, camshaft, and fuel injection pump in the correct relation to each other. The timing gears are driven by the crankshaft gear.

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