Yuchai YC4D Series Marine Engines

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Yuchai YC4D Series Marine Engines

· 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

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

· Major overhaul period is more than 10000 hours

· Good for medium size cargo ships and fishing vessels








Vertical in-line, 4-cylinder, 4-stroke, direct injection, water-cooled

Bore ×Stroke                                          (mm)

108 ×115



Turbocharged & inter-cooled

Displacement                                            (L)


Compression ration


Rated power/Speed                (kW(hp)/r/min)





Fuel consumption                            g/(kW·h)



Oil consumption                              g/(kW·h)



Counterclockwise ( facing flywheel )

Starting method


Dry weight                                             (kg)



Engine dimension (L×W×H)                 (mm)

986 × 730 × 948

1311 × 746 × 962



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Q:W12 engine and V12 engine which strong? The
Compare the BMW 760 and Audi A8 to see V12 and W12 engines which is better?
Q:The role of soundproof cotton in automobile engines?
The cold season outdoor parking, can delay the engine cooling speed, a relatively long period of time to ignition easily, also greatly shorten the warm-up time, and is conducive to the protection of the engine, to prevent cold car ignition wear. 2, can effectively absorb the engine or other parts of the oil mist, make the engine room cleaner. 3, if the sound insulation cotton is not conducive to heat dissipation, then the top of the machine plastic cover is also superfluous
Q:What do you mean by driving brake or engine brake in your driving test?
Engine braking means lifting the accelerator pedal, but not pulling off the engine, using the compression resistance generated by the compression stroke of the engine, the internal friction force and the intake and exhaust resistance to form a braking effect on the driving wheel
Q:The car engine includes insurance against all risks?
To protect the "engine water inflow losses" to get compensation, it is best to buy engine special damage insurance (also known as "wading risk"). "Wading risk" is responsible for the vehicle in the water on the road wading, or start in the water, causing the engine to enter the water, leading to direct damage to the engine of economic compensation. But pay attention to: after moving out of the fire can not be forced to start, such as two fires caused damage to the engine, the insurance company will not pay compensation.
Q:What engine is the BYD M6 engine?
BYD M6 (2 displacement models) is used in BYD's own 2 litre BYD483QB engine with BIVT variable intake system, the maximum power of 103 kilowatts, the maximum torque of 186 nm.
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 kind of engine is the gold cup S30?
Brilliance Jinbei Zhishang S30 equipped with 4A15 engine, 4A15 engine brilliance brilliance auto self-developed models, maximum power up to 75/5600-6000 (kw/rpm), maximum torque of 135/4000-4600 (Nm/rpm), using VVT-i (variable valve timing) technology, independent ignition system DIS, ETC, single stage electronic solar term door silent chain technology.
Q:What are the engine parts?
Main cylinder block, piston, crankshaft, connecting rod, piston pin, piston ring, crankshaft tile, connecting rod tile, and so on
Q:What is the meaning of the rear of the car engine?
Exhaust turbocharging system: This is what we usually the most common turbocharger, supercharger and engine without any mechanical contact, in fact, is an air compressor, compressed air to increase the intake air.
Q:What are the dangers of overheating the engine?
Due to overheating caused by the crankshaft side rod reducer bearing seizure, piston ring fracture, cylinder, cylinder hold, shorten the service life of the engine, endanger motorists driving safety.

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