Marine Engines

YC4D

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Features & Benefits

  • 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 small size cargo ships and fishing vessels.

Technical Specifications

Model YC4108CA YC4108C YC4D55C YC4D80-C20
Type Vertical, in-line,  water-cooled, four stroke
Intake way Natural aspirated
No. of cylinders – Bore × Stroke (mm) 4-108×115
Displacement (L) 4.214
Compression ratio 17:01
Continuous power /speed                 (kW (Ps)/r/min) 32 (45)/1500 40 (55)/1500 40 (55)/1800 58 (80)/2400
One-hour power/speed                 (kW (Ps)/r/min) 35.2 (50)/1548 44 (60)/1548 44 (60)/1858 63.8 (85)/2478
Min. specific fuel consumption ≤200
(g/kW·h)
Specific oil consumption ≤0.8
(g/kW·h)
Crankshaft rotation direction  (seen from power output end) Anticlockwise
Starting way Electrical
Net weight (kg) 370
Overall dimensions  (LxWxH) 986×730×948
(mm)
Certificate ZC、CCS
YC-Europe