Yuchai YC6MJ Series Marine Diesel Engine | 11.73L Turbocharged Engine for Small & Medium Vessels

YC6MJ

Special power for high speed boats

600~800Ps Power Coverage

Adapted Models：High-speed boats, law enforcement boats below 20 meters, official boats, yachts, tourist boats, etc. between 20 and 40 meters.

product details

Product Feature

● The integration of crankshaft, postposition gear chamber and point-line gear-meshing patent technology reduce noise level

● Wet cylinder liner structure facilitates maintenance and repair

● High mean effective pressure and power density

● Improved fuel consumption by P7100 fuel pump, P-injector and Honeywell turbocharger

● Yuchai sealing technology in piston ring and valve oil seal improves the lube oil consumption

● High fuel efficiency and low maintenance cost

● Reliable cold starts at -25Cº and applicable altitude at ≤2500m without power derating

● Major overhaul period is more than 12000 hours

Surging power

Safe and reliable

High economy

Item	YC6MJ450L-C20	YC6MJ410L-C20	YC6MJ365L-C20	YC6MK350C	YC6MK330C	YC6MK320C	YC6MK300C	YC6MK280C
Type	Vertical, in-line, water-cooled, four stroke			Vertical, in-line, water-cooled, four stroke			Vertical, in-line, water-cooled, four stroke
Intake way	Turbo charging & inter-cooled			Turbo charging & inter-cooled			Turbo charging & inter-cooled
No. of cylinders – Bore × Stroke (mm)	6-131×145			6-123×145			6-123×145
Displacement (L)	11.73			10.338			10.338
Compression ratio	16.8: 1			17.5: 1			17.5: 1
Continuous power / speed (kW(Ps)/r/min)	330(450)/2100	300(410)/1800	267(365)/1500	257(350)/1800	240(330)/1500	235(320)/1800	220(300)/1500	205(280)/1500
One-hour power / speed	363(495)/2168	330(450)/1858	293(401)/1548	282(385)/1858	264(365)/1500	258.5(350)/1858	242(330)/1548	225.5(310)/1548
Min. specific fuel consumption (g/kW·h)	≤192			≤189			≤189
Specific oil consumption (g/kW·h)	≤0.5			≤0.5			≤0.5
Crankshaft rotation direction (seen from power output end)	Anticlockwise			Anticlockwise			Anticlockwise
Starting way	Electrical			Electrical			Electrical
Net weight (kg)	1250			1270			1270
Overall dimensions (L×W×H) (mm)	1727×960×1272			1652×939×1262			1652×939×1262
Certificate	ZC, CCS, IMO			ZC, CCS, IMO			ZC, CCS, IMO