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Diesel engine Yangdong
Diesel engine Yangdong 
Diesel engine Yangdong
Y385/YND485Q
Model Y385 YND485Q
Type Vertical, water-cooling, four-stroke, vortex Vertical, water-cooling, four stroke, direct injection chamber
Number of cylinders 3 4
Bore (mm) 85 85
Stroke (mm) 90 95
Compression ratio 22 18
Total displacement 1.532 2.156
Firing order 1.-3.-2. 1-3-4-2
Rated power (kW) 19.2~24 29.4~36
Rated speed (r/min) 2400~3000 1500
Max.torque (N.m) ≥84 ≥118.2
Min.specific fuel consumption at full load (L/h) 3.50 4.99
Specific lube oil consumption (g;/kw.h) 2.72 2.72
Advance angle of supply fuel/ 10±1/3000 18±1/2800 16±1/2600 15±1/2400 12±1/≥2800 18±1/2600
speed (before TDC)(°)/r/min (with Advance Device) (with Advance Device)
Injection Pressure 13.2±0.5 19.6
Direction of crankshaft rotation (facing to flywheel) Counterclockwise Counterclockwise
Cooling method Forced water Cooling Forced water cooling
Starting method Electric Electric
Net mass (kg) 175 195
Overall dimensions (LxWxH)(mm) 587x474x615 687x494x623

 

Designation Specification
Y385 YND485Q
Fuel Injection Pump Type I Pump BQ Pump
Governor All-speed, Mechanical Centrifugal
Plunger Diameter (mm) 7 7.5
Fuel Delivery Pump Single-Acting Piston Type
Fuel Injector Model P21 PF68509
Nozzle Set Single hole, Pintle-type, ZS4SI ZCK154S425
Diameter of Nozzle Hole(mm) 1 4-0.25
Injection Pressure(Mpa) 13.2±0.5 19.6
Lube Pump Type Rotor Gear
Speed(rpm) 1300 2748
Capacity(L/min) 8 22.4
Pressure(Kpa) 0.4
Water Pump Type Centrifugal, Volute, Single-suction
Speed(rpm) 3000 4000
Capacity(L/min) 80 160
Lift(m) 5 8
Starting Motor Type Series DC Motor
Model QD1322C,QD1315A,D138Y QD1315A, D138Y
Voltage(V) 12
Power(kW) 1.8 or 2.5 25
Dynamo Type Silicon Rectifying Shunt Dynamo
Model JF11
Power(W) 350
Voltage(V) 14
Fuel Filter Type Single Stage, Paper Element
Model C0506A
Lube Oil Filter Type Single Stage, Paper Element
Model J0708 J0810H
Air Filter Type Single Stage, Paper Element
Model K1317A
Electrothermic Plug Type Shrouded No Accessory
Model 10/12/1965

 

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