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

17.51

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

17.51

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

17.51

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

17.51

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




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Q:What is the new Toyota Reizhi 2.5v engine compression ratio?
Number of valves (pcs): 4 Valve structure: Double overhead ratio: 10.0: 1 Maximum horsepower (ps): 193 Maximum power (kW / rpm): 142/6200 Maximum torque (N · m / rpm): 236/4400
Q:What is the material of the engine valve, especially the exhaust valve?
The small end of quenching, the hardness of 50H RCmin, effectively improve the small end impact resistance to pitting corrosion, because the locking groove of three groove structure, in order to cope with the work of spin, quenching slots; and the rod head material friction butt welding and weld strength, more than 81 0MPa; the surface of the rod chrome plating. The chrome layer thickness of 0.0015 0.003mm, the hardness above 600HV, ensure the valve rod wear resistance, improve service life.
Q:An internal-combustion engine for an automobile engine
The intake stroke (intake stroke) on the crankshaft piston driven by the TDC to bdc. At this point, the intake valve opens, the exhaust valve closes, and the crankshaft rotates 180 degrees. In the process of moving piston, the cylinder volume increases, the gas pressure in the cylinder decreases from PR to PA, the cylinder to form a certain vacuum, the mixture of air and gasoline through the intake valve is sucked into the cylinder in the cylinder, and further mixed to form a combustible mixture. As the intake system has resistance, the air pressure at the end of the cylinder is less than the atmospheric pressure P0, or pa= (0.80 ~ 0.90) p0. The temperature of the combustible mixture entering the cylinder is increased from 340 to 400K due to the heating of the high temperature parts such as the intake pipe, cylinder wall, piston top, valve and combustion chamber wall, as well as the mixing with residual exhaust gas.
Q:GDI different from the ordinary engine of the three technical means is what?
GDI engine is characterized by the direct injection of fuel into the cylinder, the use of in-cylinder air flow and piston surface fuel atomization effect to achieve the purpose of combustion
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:What is the relationship between the clutch and the engine of a car?
Having understood the working principle of the clutch, then combine it with practice. When your car is at the start, the wheel is still, to let the car changed to state of motion in the stationary state, then the required thrust is great, than the car in motion is larger, the clutch, hang a file, see what happens? When you step on the clutch, which is good for driving a wheel gear to first gear, the gear is slow to drive, when you loose the clutch, gear transmission gear wheel to slow the on, you carry it on fast, fast, slow you up, it depends on when the car started slowly.
Q:How can power and horsepower be converted?
Horsepower isn't just one algorithm, but overall it's not very different. About 1PS equals 0.735kW, that is to say, 125 is about 170 horsepower.
Q:Want to buy a car, I do not know the gasoline engine and diesel engine comparison, what are the advantages and disadvantages?
The fourth said that the other difference is to Tong diesel engine sound big `this depends on what kind of car you buy.
Q:Ask a question. If the engine is missing the cylinder, will it turn on the trouble light?
Will light machine fault light (yellow light) or lack of cylinder, the most obvious is the idle speed instability.. engine sounds abnormal
Q:Advantages and disadvantages of CVVT engines
The utility model has the advantages that the opening and closing of the valve can be controlled according to the actual working condition of the engine, and the fuel can be burnt more fully, so as to enhance the power and reduce the oil consumption

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