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Marine Engines

YC6B/YC6J

Features & Benefits

  • ω-type combustion chamber technology and low inertia mini aperture injector improve fuel efficiency
  • 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 medium size cargo ships and fishing vessels.

Technical Specifications

Model YC6B165C YC6B165L-C20 YC6B150C YC6B165L-C22 YC6B155C YC6108ZLCA YC6108ZCA YC6108ZC YC6108CA1 YC6B100-C20 YC6108CA
Type Vertical, in-line, water-cooled, four stroke Vertical, in-line, water-cooled, four stroke Vertical, in-line, water-cooled,
four stroke		 Vertical, in-line, water-cooled,
four stroke
Intake way Turbo charging & inter-cooled Turbo charging & inter-cooled Turbo charged Natural aspirated
No. of cylinders – Bore ×
Stroke (mm)		 6-108×125 6-108×125 6-108×125 6-108×125
Displacement (L) 6.871 6.871 6.871 6.871
Compression ratio 17.5:1 17.5:1 17.5:1 17.5:1
Power / speed
(kW (Ps)/r/min)		 120 (165)/2300 120 (165)/1800 110 (150)/1800 120 (165)/1500 112 (155)/1500 90 (123)/1500 103 (140)/2300 80 (109)/1500 82 (112)/2000 74 (100)/1800 63 (86)/1500
Min. specific fuel
consumption (g/kW·h)		 ≤198 ≤198 ≤198 ≤200
Specific oil consumption
(g/kW·h)		 ≤0.8 ≤0.8 ≤0.8 ≤0.8
Crankshaft rotation direction
(seen from power output end)		 Anticlockwise Anticlockwise Anticlockwise Anticlockwise
Starting way Electrical Electrical Electrical Electrical
Net weight (kg) 750 750 720 700
Overall dimensions
(L x W x H) (mm)		 1420×810×1020 1420×810×1020 1293×780×1198 1252×780×1075
Certificate ZC、CCS ZC、CCS ZC、CCS ZC、CCS