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: Introduce a -95 bomber engine below: Figure -95 the swept wing is provided with 4, wing turboprop engines, each engine driving two bladed propeller of large diameter reverse. This layout is unique and makes -95 the largest and fastest turboprop plane. Power unit: 4 HK-12B turboprop engines, rated power: 4 * 11010 kw

Q: How long will the car engine be maintained?: (Every 30,000 km) to replace the fuel filter; 4, regular (30,000 km) maintenance tank cooling network; 5, regular (40,000 km or driving conditions) to replace the spark plug.

Q: What kind of engines does the airplane have?!: Turbo jet engines (oil, but high speed thrust), turbofan engines (integrated turboprop, low speed fuel and high speed turbojet thrust), use the culvert to solve the cusp supersonic problem.

Q: What is the problem of engine torque failure?: There are many reasons for the lack of power, and the engine and gearbox faults may cause this problem,

Q: What are the characteristics of the submarine's Stirling engine?: Stirling engine several characteristics are very suitable for submarines, the first is continuous combustion, because the working fluid does not burn, so there is no internal combustion engine knocking phenomenon, low noise; second can use any fuel, the combustion chamber, the burning process

Q: What is the difference between the car engine model and the AT and the MT?: AT (automatic transmission) - mainly using hydraulic torque converter, with the traditional mechanical gear box to achieve shift function.

Q: What's the difference between front and rear of a car engine?: And where are the benefits of using pre - drive? The structure of the pre drive, the engine power is directly transferred to the front wheels, thus eliminating the need for a drive shaft conveying power from front to back, so that the central interior floor would not have a protrusion, increased legroom. And the front engine can be arranged transversely in front, transmission and differential can be connected into one, with respect to a rear wheel drive car, manufacturing technology is relatively simple, and the parts should be less, it can also reduce the manufacturing cost of car.

Q: What does engine knock mean?: Compared with the normal combustion and detonation mixture during compression, combustion speed and high blast pressure, accompanied by burning phenomenon. Strong detonation will reduce the output power of the engine. The top surface of the detonation pressure waves generated by the direct impact to the cylinder head and the piston, generate dada metal percussion sound, while burning the parts the indoor temperature rise sharply.

Q: Is China really a country that doesn't build an engine?: This engine, known sprayer can always climax at this point, however, who said Chinese created out of the engine, is really funny

Q: Is the engine an engine?: Someone called the engine engine, in fact, the engine power output is a set of equipment, including gear, engine and transmission shafts, visible engine is only a part of the engine, but the core part is the engine, so the engine called the engine too

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