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: The location of the exhaust exchange, the intake manifold placed in the front, exhaust manifold placed in the rear, into a "forward and backward", is the so-called "anti-set" the.

Q:Why do diesel engines vibrate with noise?: You can not open the engine cover between diesel engine? Of course! Would be able to listen to them, the general diesel engine noise and vibration will be better than the gasoline engine, it also can not see the tractor, the way you can hear "ta... Ta... Ta... Ta..." Sound. But now the diesel car is not like a tractor that is simply mounted on the frame, no noise, exhaust noise reduction without filtering. Even now the highest technology content of diesel engines, in the control of vibration and noise of the engine, there are still a big gap with the gasoline engine below. We have to tell.x0d the reason first, it has great relationship with the diesel fuel. This fuel in diesel antiknock, ignition (ignition), viscosity, volatile, combustion rate is lower than that of gasoline.

Q:The engine is out of order. What should I do?.: Mention this kind of breakdown, some people can feel and the first kind of piston knock out a cylinder to have some contradictions, in fact, careful analysis is clear. We know that as the engine temperature increases, the rate of combustion of the mixture will increase accordingly. If the ignition time is too early, the maximum point of the cylinder combustion pressure will be ahead of time, and the force on the cylinder wall will be increased and the knock out noise will appear. The inspection contents and methods are as follows.

Q:What's the difference between a turbocharged and an ordinary engine?: The turbocharged engine is equipped with turbine and fan blades in the naturally aspirated engine based on the increase of the air intake engine, structure is more complicated than the naturally aspirated engine, the intake amount than the ordinary engine power, the same displacement turbocharged engine than the naturally aspirated power is about 30% higher than the displacement (the same fuel consumption is the same, just different air mass)

Q:What about the BYD F3 engine?: The 2012 F3 is powered by BYD's new engine, the BYD473QE. Compared with the older engine, the new engine mainly upgraded two technologies: EGR (exhaust gas recirculation) and VVL (variable valve lift technology). These two technologies enable the engine to achieve two performance improvements: power performance and fuel economy. The two technique improves the compression ratio, high compression ratio, high pressure gas burning faster after firing, improves the dynamic performance of the cylinder; raising the temperature of combustion more fully, improve the emission performance; to improve the performance of combustion so that the fuel consumption is reduced, improve fuel economy

Q:What are the advantages of Audi's TFSI engine?: It is true that turbocharging does improve the power of the engine, but its shortcomings also have a lot, the most obvious of which is the power output response lag.

Q:The Mazda 3 engine?: 2, a balance shaft: This is the engine crankshaft and meshing precision with transmission process, can best reduce engine vibration in the transmission process, ensure the engine running smoothly, reduce the noise.

Q:Why is a solid rocket engine smaller than a liquid one?: Third question: can not. For the rocket engine (except for fireworks), grain shape is very important, it determines the rocket engine thrust, working time and thrust change. Not a little shake on the loose

Q:What is engine resonance?: Vibration over the General Assembly to speed up the mechanical fatigue damage, reduce engine life.

Q:Want to buy a car, I do not know the gasoline engine and diesel engine comparison, what are the advantages and disadvantages?: The second is the cost of car with the level of diesel engine than the gasoline engine 1 to 2W yuan this difference is still a bit big.

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