Yuchai YC6MJ/YC6MK/YC6M Series Marine Engines

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Yuchai YC6MJ/YC6MK/YC6M Series Marine Engines

· 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

· Improved fuel consumption by P7100 fuel pump, P-injector and Honeywell turbocharger achieves high mean effective pressure and power density

· The use of 42CrMo forged steel crankshaft increase fatigue strength ad abrasive resistance, and the torque output at front end could be more than 900Nm

· Yuchai sealing technology in piston ring and valve oil seal reduces the lube oil consumption

· High fuel efficiency and low maintenance cost

· Operator and nature friendly with low noise, rapid start ability and low emissions

· Major overhaul period is more than 12000 hours

· Water-cooled exhaust pipe with the integrated forged steel water liner reduces exhaut temperature and emission

YC6MJ TECHNICAL

SPECIFICATIONS

Model	YC6MJ450L-20	YC6MJ410L-20	YC6MJ365L-20
Configuration	Vertical in-line, 6-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	131 ×145
Aspiration	Turbocharged & inter-cooled
Displacement (L)	11.73
Compression ration	16.8:1
Rated power/Speed (kW(hp)/r/min)	330(450)/2100	330(410)/1800	267(365)/1500
Fuel consumption g/(kW·h)	≤192
Oil consumption g/(kW·h)	≤0.5
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	1250
Engine dimension (L×W×H) (mm)	1834 ×1028 ×1278.5
Certificate	ZC, ZY, CCS, IMO

YC6MK TECHNICAL SPECIFICATIONS

Model	YC6MK330C	YC6MK320C	YC6MK300C	YC6MK280C
Configuration	Vertical in-line, 6-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	123 ×145
Aspiration	Turbocharged & inter-cooled
Displacement (L)	10.34
Compression ration	17.5：1
Rated power/Speed (kW(hp)/r/min)	240(330)/1500	235(320)/1800	220(300)/1500	205(280)/1500
Fuel consumption g/(kW·h)	≤189
Oil consumption g/(kW·h)	≤0.5
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	1270
Engine dimension (L×W×H) (mm)	1815 ×1058 ×1276
Certificate	ZC, ZY, CCS, IMO

YC6M TECHNICAL SPECIFICATIONS

Model	YC6M320C	YC6M280C	YC6M295C
Configuration	Vertical in-line, 6-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	120 ×145
Aspiration	Turbocharged & inter-cooled
Displacement (L)	9.84
Compression ration	17.5：1
Rated power/Speed (kW(hp)/r/min)	234(320)/2100	206(280)/2100	216(295)/1800
Fuel consumption g/(kW·h)	≤189
Oil consumption g/(kW·h)	≤0.5
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	1150
Engine dimension (L×W×H) (mm)	1795 ×1085 ×1360
Certificate	ZC, ZY, CCS, IMO

YC6M TECHNICAL SPECIFICATIONS

Model	YC6M270C	YC6M240-C20	YC6M300C	YC6M260C	YC6M240C
Configuration	Vertical in-line, 6-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	120 ×145
Aspiration	Turbocharged & inter-cooled
Displacement (L)	9.84
Compression ration	17.5：1
Rated power/Speed (kW(hp)/r/min)	199(270)/1800	176(240)/1800	219(300)/1500	192(260)/1500	176(240)/1500
Fuel consumption g/(kW·h)	≤189
Oil consumption g/(kW·h)	≤0.5
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	1150
Engine dimension (L×W×H) (mm)	1795 ×1085 ×1360
Certificate	ZC, ZY, CCS, IMO

Model	YC6M220C
Configuration	Vertical in-line, 6-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	120 ×145
Aspiration	Turbocharged
Displacement (L)	9.84
Compression ration	17.5：1
Rated power/Speed (kW(hp)/r/min)	162(220)/1800
Fuel consumption g/(kW·h)	≤189
Oil consumption g/(kW·h)	≤0.5
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	1150
Engine dimension (L×W×H) (mm)	1795 ×1085 ×1360
Certificate	ZC, ZY, CCS, IMO

Q:Why some engine exhaust pipe in front, some are in the back! What are the advantages and disadvantages: Which for many riders may be a relatively vague words, but in fact it has been very wide in our side, and open the hood to see, maybe your car is using the anti-engine!

Q:What is the material of the engine valve, especially the exhaust valve?: The exhaust valve consists of three parts of the materials, the head is 21 4N austenitic materials by solid solution and aging treatment, the grain size of 6 - 9, the hardness more than 30HRC, can work for a long time at 850 degrees Celsius; head cone surface welding of cobalt base alloy STELLITE F, has very strong corrosion resistance at high temperature. Next, the impact resistance and high creep strength, the service life is crucial; rod material is 4Cr9Si2, heat treatment by quenching and tempering, the grain size of 10 - 12, 30 - 40HRC in hardness

Q:How about the mechanical efficiency of the turbofan engine?: At present, the efficiency of the four-stroke gasoline engine is lower than the turbine engine.

Q:What is the reason for the decrease in engine power?: Poor tire pressure is also one of the reasons that affect the decline of automobile power, especially when the tire pressure is not enough and the number of passengers is more. Therefore, when filling the tire, must add enough, should be in accordance with the body marked by the tire pressure table for filling

Q:How does the engine fail to check?: The computer detects the lack of fire, is from the knock sensor and crank angle sensor value, camshaft position sensor numerical calculation to determine the results, if the cylinder miss the computer know, then what is the cause of the fire, from the maintenance

Q:Bugatti's engine, introduce it: Bugatti engine form is w16 4 turbocharged water-cooled engine, composed of two v8 engine, the two v8 engine is also with the vr series.

Q:What's the order of ignition for a 4 cylinder gasoline engine?: Four cylinder engine ignition sequence, only 1243 or 1342, because 14 of the same position with 23 position is collocated. Ditto with, but the difference between the two stroke and four stroke, the intake and the work is moving downwards, compression and exhaust is moving upwards, you say the mixture of air and fuel into the 1 cylinder after compression in the 1 stroke cylinder is 3 cylinder, you may understand is a cylinder with a stroke, is the essence of each cylinder has four stroke, when they can't work in the same stroke at the same time,

Q:What are the differences between front and rear engines?: The difference is simple, the front is the engine in front of the body, and the rear is the engine behind the body! Front engine is the most common design, the advantage is to use the airflow when driving cooling, and if with the front wheel drive is a good way to save costs, but also in the accident in the driver's safety advantage.

Q:Does the gasoline engine use diesel oil?: Can not. Two specific differences: 1, first of all, the compression ratio of the diesel engine gasoline engine is more than 2 times, the main parts under high temperature and high pressure, the impact is much larger than the gasoline engine, thus making some parts of different materials;

Q:What is the difference between a piston engine and a jet engine?: High temperature and high pressure gas from the turbine out into the tail nozzle after the jet to get thrust.

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