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: Where is the brilliance BMW engine factory?: BMW brilliance engine factory is located in Shenyang economic and Technological Development Zone is the BMW group's fourth engine factory, is the only one in Europe outside the engine factory formally put into use in Shenyang, will produce four cylinder engine with a new generation of BMW global leader.

Q: What does engine brake mean?: The so-called "engine braking" is the driving behavior of a term, it is generated by the engine running resistance to effectively control the speed, you have said "downshifting" and "loose throttle" two measures can be achieved by resistance to engine speed control purposes

Q: What is the difference between the advantages and disadvantages of the turbine turbo vortex turbofan engine?: The vacuum of the cylinder in the intake process of the engine is not easy to completely inhale such a large volume of air.Therefore, it is very important to improve the ability of the engine to inhale the gas, that is, to improve the filling efficiency of the engine. There are two ways to increase the engine

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: Heat dissipation principle of automobile engine: According to the internal combustion engine can be divided into gasoline and diesel fuel used (Figure 1-1-1). The use of gasoline powered internal combustion engine for gasoline engine; use diesel as fuel for diesel engine. The gasoline engine and diesel engine is a gasoline engine; high speed, small quality, small noise, easy starting, low manufacturing cost; diesel engine compression ratio, high thermal efficiency, economy and emission performance than the gasoline engine.

Q: What are the power performance indicators of the engine?: Power: maximum power, maximum torque, and their respective speed, external characteristics, torque changes with the speed of the curve. Economy: BSFC of all characteristics, and idle fuel consumption

Q: The car's engine trouble light is on. What should I do about it?: 3, inside the engine cylinder is not clean, after a certain time of the product inside the engine must accumulate some carbon, the carbon itself will lead to the engine design parameters change, while its unstable properties, heat accumulation, the accumulation of heat will cause the engine ignition disorder, causing the engine knock. In this case, the engine trouble lamp lights up

Q: Why is the engine hot car difficult to start: (1) for fault self-diagnosis. If the fault code, according to the fault code to find the corresponding cause of the malfunction. (2) Check the vacuum of the intake pipe at idle. If the vacuum is less than 667 kPa, indicating that the air intake system has air leakage, should check the inlet pipe joints, pads, vacuum hoses, etc., as well as exhaust gas recirculation system, fuel evaporation recovery system.

Q: What are the six engines?: An engine is a device that converts the chemical energy of fuel combustion into mechanical energy. Starting from the mechanical principle, the engine consists of six major parts (cylinder block, cylinder head, Bush, piston, valve, connecting rod, etc.), that is to say, "six matching"".

Q: How to determine the front end of an engine?: You mean the end of the engine is the front, is that the back end? The rear end of the general engine flywheel is the power output, and the back is the shock absorber, torque converter, gearbox and so on.

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