... : Tier2 or Tier2 IMO2 or IMO1 General Engine Data Engine Model NT855-M (CUMMINS NT855 M300 MARINE ENGINE) Displacement: 14.0 litre [855 in ... ]Compression Ratio 14 5:1Piston Speed m/sec [ft/min ] 9 1 [1800]Maximum Torque Capacity from Front of Crank Firing ... in medium vessel market, like Singapore, Malasiya, Indonesia, Croatia etc.Cummins marine engine Model Power (KW) Power(HP) Max Speed (RPM ...