Group 21: Engine
Engine, General
The D1-13, D1-20, D1-30 and D2-40 are four cycle
marine diesel propulsion engines. They all have two
valves per cylinder, a high-mounted camshaft in the
engine block and a mechanical injection pump.
The
D1-13 is an in-line two cylinder engine with a total
swept volume of 0.51 liter. The D1-20 and D1-30 are
in-line three cylinder engines with total swept volumes
of 0.76 and 1.13 liters respectively. The D2-40 is an
in-line four cylinder engine with a total swept volume
of 1.51 liter.
The D1-13 and D1-20 engines have identical pistons
with the same dimensions. The D1-30 and D2-40
engines have different pistons, but of common dimen-
sions.
The engines are lubricated by a pressure lubrication
system, in which an oil pump supplies oil under pres-
sure to all lubrication points.
Fresh water cooling uses a thermostatically controlled
raw-water cooled heat exchanger. The raw water
pump is operated by a gear train.
The crankshaft operates the coolant pump and alter-
nator via a drive belt.
D1-30 engine
20-0 Engine Information, General
32 47701798 05-2013 © AB VOLVO PENTA
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