发电机组发动机

YUCHAI YC6MK 250-280kW Series Engine and spare parts

FEATURES

The integrated crankshaft, postposition gear chamber and point-line gear-meshing patent technology reduce noise level

Wet cylinder liner structure facilitates maintenance and repair

High mean effective pressure and power density

Improved fuel consumption by P7100 fuel pump, P-injector and Honeywell turbocharger

Yuchai sealing technology in piston ring and valve oil seal improves lube oil consumption

High fuel efficiency and low maintenance cost

Reliable cold starts at -25℃ and applicable altitude at ≤2500m without derating

Major overhaul period is more than 12000 hours

YC6MKTECHNICAL SPECIFICATIONS

Model	YC6MK420L-D20	YC6MK420L-D21	YC6MK420L-D30
Configuration	Vertical, in-line, 6-cylinder, Water-cooled, 4-stroke
Aspiration	Turbocharged and air to air inter-cooled
Bore ×Stroke (mm)	123 ×145
Displacement (L)	10.34
Compression ration	17.5:1
Prime power/Speed (kW/r/min)	281/1500	281/1800	281/1500
Standby power/Speed (kW/r/min)	309/1500	309/1800	309/1500
Fuel consumption g/(kW·h)	≤195
Oil capacity (L)	28
Oil consumption g/(kW·h)	≤1
Starting method	Electric
Noise Lw dB(A)	≤102
Emission	T2		T3
Applicable altitude (m)	≤2500
Engine dimension (L×W×H) (mm)	1640 ×850 ×1510
Dry weight (kg)	880