Doosan D1146T - Engine Timing; Valves

3.3. Engine Timing
Camshaft, oil pump and injection pump are driven by a gear train arranged at the front end.
3.4. Valves
The overhead valves are actuated via chilled cast iron tappets, push rods and rocker armsfrom
the camshaft.
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EA9O2004
Injection pump gear
(Z = 54)
Camshaft gear
(Z = 54)
Crankshaft gear
(Z = 27)
Oil pump idle gear
(Z = 23)
Oil pump drive gear
(Z = 36)
Idle gear
(Z = 42)