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

YC4D TECHNICAL SPECIFICATIONS

Model	YC4108C	YC4108CA	YC4108ZC	YC4D75C
Configuration	Vertical in-line, 4-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	108 ×115
Aspiration	Natural		Turbocharged & inter-cooled
Displacement (L)	4.21
Compression ration	17:01
Rated power/Speed (kW(hp)/r/min)	40(54)/1500	32(43.5)/1500	50(68)/1500	55(75)/1800
Fuel consumption g/(kW·h)	≤200		≤198
Oil consumption g/(kW·h)	≤0.8
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	370		390
Engine dimension (L×W×H) (mm)	986 × 730 × 948		1311 × 746 × 962
Certificate	ZC, ZY, CCS

Q: What is the working principle of the balance shaft of the engine?: Axle balance is used to balance and reduce the vibration of motorcycle engines, in order to reduce engine vibration, reduce engine noise, extend engine life, and enhance the comfort of occupants. As a patent, which is composed of YAMAHA (YAMAHA) motorcycle first use, has received the good effect, has a balance shaft used in the construction of YAMAHA every car, this is also its characteristics and selling, in similar models, it is undoubtedly the most quiet

Q: Suzuki k10b g13b how about the engine?: Double overhead camshaft, 1.0L displacement, the engine maximum output power to 52kW, peak torque 92Nm.

Q: What are the systems in the car engines?: The difference between a diesel engine and a gasoline engine is that there is no ignition system, and the diesel engine is a compression ignition type

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 is Changan onuo engine: Changan onuo L4 engine maximum power 68kW maximum speed 6000r/min (RPM) 120Nm maximum torque maximum torque - speed 3000-5000r/min (RPM) belongs to the naturally aspirated L4 engine

Q: What is the role of the engine pump?: The center of the impeller is thrown out of the coolant and the pressure is reduced. The coolant in the tank is sucked into the impeller through the water pipe under the pressure difference between the inlet of the pump and the center of the impeller to realize the reciprocating circulation of the coolant.

Q: What are the engine parts?: Brief, the main oil pump, cylinder, flywheel, flywheel shell, bolt, cylinder head and piston, cylinder liner, piston ring, connecting rod, connecting rod pin and sleeve, connecting rod, crankshaft, water, oil pump, crankshaft, oil pan, the timing gear chamber, inlet and outlet valve, small don't say with.

Q: The role of soundproof cotton in automobile engines?: In addition to effectively shielding the engine from passing to the cab, the sound proof cotton can be insulated from the engine compartment to the cover surface by installing a soundproof cotton (also called insulated cotton) in summer,

Q: How does the engine fail to check?: 2, the computer to a fire mouth between the equipment problems, such as high pressure packets, high voltage lines, fire mouth and lines

Q: Is the engine body aluminum and iron big?: As the proportion of aluminum lighter, so the aluminum unit volume structure strength is less than cast iron, so the volume of aluminum cylinder is usually larger than the cast iron, it is difficult to achieve the compact and small size cast iron cylinder.

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