G-Drive Engines


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Features & Benefits

  • 4-valve and advanced P-injector improve the combustion efficiency
  • Yuchai sealing technology in piston ring and valve oil seal, giving protection in the toughest conditions and improving lube oil consumption
  • High fuel efficiency and low maintenance cost
  • Operator and nature friendly with low noise and vibration
  • Reliable cold starts at -25 Cº and applicable altitude at ≤ 2500m without power derating
  • Emissions compliance with most regulations
  • Good transient response and steady-state performance

Technical Specifications

Model YC6T550L-D21 YC6T600L-D22 YC6T660L-D20 YC6T660L-D21 YC6T700L-D20 YC6TD780L-D20 YC6TD840L-D20
Type Vertical,in-line,water-cooled, four stroke
Intake way Turbo charging and inter-cooled
No. of cylinders – Bore × Stroke (mm) 6-145×165 6-152×180
Displacement of piston (L) 16.35 19.598
Compression ratio 14:01
Prime power/Speed   (kW/r/min) 368/1500 401/1500 441/1500 441/1800 468/1500 520/1500 560/1500
Standby power/Speed (kW/r/min) 405/1500 441/1500 485/1500 485/1800 515/1500 572/1500 616/1500
Lowest fuel consumption   g/(kW·h)  ≤195
Oil capacity (L) 52
Oil consumption      g/(kW.h) ≤0.9
Starting way Electrical starting
Noise limit dB(A) ≤102
Emission T2
Applicable altitude (m) ≤2500
Overall dimension (length×width×height) (mm) 2050×1060×1600 2050×1200×1600
Net weight of engine  (kg) 1980 2200