L21/31 Bore:210mm,Stroke:310mm Speed mep r/min bar 100 24.1 kW 6L21/31 1,290 7L21/31 1,505 8L21/31 1,720 9L21/31 1,935 Specific Fuel Oil Consumption(SFOC)to ISO conditions MCR 100% 85% L21/31 195g/kWh 189g/kWh Specific lube oil consumption 0.8g/kWh Dimensions Cyl.No. 6 7 8 9 L mm 4,225 4,580 4,935 5,290 L1 mm 3,285 3,640 3,995 4,350 H mm 3,115 3,115 3,267 3,267 W mm 1,695 1,695 1,820 1,820 Dry mass t 16.0 17.5 19.0 20.5 Minimum centreline distance for twim engine installation:2,400mm Main Data Number of cylinder 6,7,8,9 Rated power(MCR) kW/cyl 215 Rated speed rpm 1000 Idle speed rpm 600 Bore mm 210 Stroke mm 310 Stroke/bore ratio 1.5 Cylinder distance mm 355 Mean piston speed m/s 10.3 Mean eff.Pressure(MEP) bar 24.1 Compression ratio 15.5 Displacement/cylinder L 10.7 bustion pressure bar 200 Fuel oil acceptance MGO,MDO,HFO Injection viscosity cSt Max 14 Lubricating oil Grade SAE 40 ISO ambient conditions Tolerance 5% Fuel oil with lower calorific value of 42700 kJ/kg Without engine-driven pumps Addition for engine-driven pumps 1.5%(3g/kWh)for lubricating oil pump 0.7%(1.4g/kWh)for each water pump For guidance only