Yuchai YC4F Series Marine Engines

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Yuchai YC4F Series Marine Engines

· World-class high speed engine for speed pursuer

· Yuchai sealing technology in piston ring and valve oil seal reduces the lube oil consumption

· High reliability, 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

YC4F TECHNICAL SPECIFICATIONS

Model	YC4F115C-31	YC4F100-C20	YC4F90L-C20
Configuration	Vertical in-line, 4-cylinder, 4-stroke, direct injection, water-cooled
Bore ×Stroke (mm)	92 ×100
Aspiration	Turbocharged & inter-cooled
Displacement (L)	2.66
Compression ration	16.3:1
Rated power/Speed (kW(hp)/r/min)	85/3100	73/2950	63/2800
Fuel consumption g/(kW·h)	≤195
Oil consumption g/(kW·h)	≤0.8
Rotation	Counterclockwise ( facing flywheel )
Starting method	Electric
Dry weight (kg)	420
Engine dimension (L×W×H) (mm)	873 × 617 × 738
Certificate	ZC, ZY, CCS

Q: How does the engine start?: Working process: air inlet compression injection combustion expansion work exhaust. Intake stroke, the working fluid into the cylinder is pure air. As the intake system of diesel engine has less resistance, the intake terminal pressure is pa= (0.85 to 0.95) P0, higher than that of gasoline engine. The inlet temperature is Ta=300 to 340K, lower than that of gasoline engine

Q: CFM international engine company profiles: In February 1972 to complete the design and carry out the trial, September 1974 formally CFM international company, engine named CFM56, the head of the two engines manufactured in the two companies have developed test stand test. Test of common 11 engines, of which 5 units for the flight test of.1979 in November in the United States Boeing 707-320 first flight, then total flight 130h. At the same time the French "clipper" flight table to complete the necessary tests in November 9th.1979 CFM56-2 engine for America and France's.CFM56 airworthiness certificate from 1971 the two companies signed a cooperation agreement to take the card, deduction of 1 and a half years stopped, took a total of 7 years, the development cost of $1 billion. Since the engine was selected in March 1979 modified MacDonald Douglas DC-8 aircraft, to 1986 a total of 110 aircraft modifications (each 4).

Q: Doosan engine model: Doosan = garbage, formerly known as Daewoo, and later closed down, was a Korean fast food Doosan acquired.

Q: What is the TSI engine?: Characteristics of Turbo + Supercharge turbocharger + supercharger effect is the principle of exhaust gas turbocharger is the use of exhaust gas, the device itself does not increase engine power consumption, improve the efficiency of air power, but the drawback is usually more than 2000 rpm engine after intervention, is not conducive to accelerate, accelerate and let the inertia of turbine a response delay time.

Q: Heat dissipation principle of automobile engine: The power source of the automobile engine, the engine is a kind of transformation of energy into mechanical energy of the machine. By using the modern automobile engine is an internal combustion engine is the internal combustion engine, the chemical energy of the fuel into heat energy and then convert heat energy into mechanical energy of the machine, and the energy conversion process is carried out in the engine the interior of the cylinder. Internal combustion engine used on the car include gasoline engine and diesel engine.

Q: What does engine knock mean?: The knock phenomenon is mostly in improving the compression ratio at the same time, the ignition advance angle is too large or mixed gas burning too fast but also prone to detonation. Due to these factors is an important means to improve the engine power, so the knock is an obstacle to technological progress in this area.

Q: What are the two major engines of the engine, the four major systems?: You're a diesel, right? The diesel engine consists of two big mechanisms and four big systems, that is, crank connecting rod mechanism, valve train, fuel supply system, lubrication system, cooling system and starting system. If it's a gasoline engine, add an ignition system.

Q: What are the two major structures of an engine?: Crank organism set the piston connecting rod group crankshaft and flywheel group block group by cylinder cylinder head gasket oil sump piston by the piston piston pin piston connecting rod bearing ring crankshaft flywheel group by crankshaft flywheel torsion damper on the back of the book

Q: How about the tu3af engine?: The SA group has improved the TU3JP engine against European IV emission standards, with the main objective of enabling it to meet more stringent euro IV emissions standards.

Q: What are the modern systems of Beijing: The maximum output power of the 2.0L engine is 120Kw / 6200rpm, the maximum torque is 194N · m / 4600rpm; the maximum power of the 2.4L engine is 128Kw / 6000rpm and the maximum torque of 226Nm / 4000rpm.

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