YUCHAI YC4D Series Engine for Marine

YC4D Series

High performance combustion chamber and intake swirl contribute to lower fuel consumption.
Yuchai sealing technology in piston ring and valve oil seal reduces the lube oil consumption.
High fuel efficiency and low maintenance cost.
Compact size facilitates installation, maintenance and repair.
Easy operating and nature friendly with low noise, rapid start ability and low emissions.

YUCHAI YC4D TECHNICAL SPECIFICATIONS

Model	YC4108C	YC4108CA	YC4108ZC	YC4D75C
Configuration	Vertical in-line, 4-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	108 ×115
Aspiration	Natural		Turbocharged & inter-cooled
Displacement (L)	4.21
Compression ration	17:01
Rated power/Speed (kW(hp)/r/min)	40(54)/1500	32(43.5)/1500	50(68)/1500	55(75)/1800
Fuel consumption g/(kW·h)	?200		?198
Oil consumption g/(kW·h)	?0.8
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	370		390
Engine dimension	986 × 730 × 948		1311 × 746 × 962
(L×W×H) (mm)
Certificate	ZC, ZY, CCS

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