CERTIFIED: This diesel engine complies with or is certified to the following agencies requirements:IMO Tier II (Two) NOx requirements of International Maritime Organization (IMO), MARPOL 73/78 Annex VI, Regulation 13 China Marine Emission Regulation Stage II GB15097-2016
Cummins B5.9CMII163 161hp Marine Propulsion Engine Performance Data
General Engine Data
Engine Model ……….………………………………………..……………………B5.9CMII163
Rating Type …………………….……..……………………………………………Continuous Duty
Rated Engine Power …….…..……………………………..…………………..kW [hp] 120 [161]
Rated Engine Speed ………………..….……………..…………………………rpm 1800
Rated Power Production Tolerance ……….…..………………….………±% 3
Rated Engine Torque …………………………..……….………………………Nꞏm [lbꞏft] 637 [470]
Peak Engine Torque @ 1400 rpm………………………..…………………Nꞏm [lbꞏft] 691 [510]
Brake Mean Effective Pressure ..……….……….….……………….….…..kPa [psi] 1360 [197]
Indicated Mean Effective Pressure……………..…………………………..kPa [psi] 1540 [223]
Maximum Allowable Engine Speed ..…….…….….….…………….……rpm 2440
Maximum Continuous Torque Capacity from Front of Crank Specifications
Maximum Torque Capacity from Front of Crank² ….……………..Nꞏm [lbꞏft] [N.A.]
Compression Ratio ….…….…………………………………………………… 17.3:1
Piston Speed ……………………………………….….…………………………..m/sec [ft/min] 7.2 [1417]
Firing Order ……..…………………….…………..………..…….………………1-5-3-6-2-4
Weight – Engine Only – Average …….……..….……..………………..…..kg [lb] 543 [1197]
Weight – Engine With Heat Exchanger System – Average….……..kg [lb] 641 [1413]
Governor Settings
Default Droop Value……..Refer to MAB 2.04.00-03/23/2006 for Droop explanation 7%
Maximum Droop Allowed…………………………………………………………16%
High Speed Governor Break Point……………………………………………….rpm 1860
Minimum Idle Speed Setting ……….…….…….….………………………………rpm 750
Normal Idle Speed Variation .…………………………………….….…..………±rpm 50
High Idle Speed Range Minimum ……………………………………….…..……rpm 1860
Maximum …………………………………………………………………………………..……rpm 2000
Noise and Vibration
1 m sound pressure level – GB/T1859 ……………………………………………….. < 93 dB
Lubrication System¹
Max. Allowable Oil Temperature (Sump) ………………………………………..°C [°F] 124 [255]
Oil Pan Capacity (OP9314)
Low/High……………………………………………………………………………….. l/l 12.3 14.2
Min. Oil Pressure at idle speed…………………………………………………..kPa [psi] 69 [10]
Maximum Operational Angularity of Oil Pan ……………………………degree 40
Fuel System¹
Fuel Consumption at Rated Speed ………..………..………………….l/hr [gal/hr] 32.2 [8.5]
Approximate Fuel Flow to Pump ..…..…..……..….…….…………….l/hr [gal/hr] 71 [18.8]
Maximum Allowable Fuel Supply to Pump Temperature ..…..…..…..……°C [°F] 80 [176]
Approximate Fuel Flow Return to Tank .….……..……………………….l/hr [gal/hr] 19 [5.1]
Maximum Allowable Restriction to Fuel Pump
Clean Filter ……………………………………………………………………. kPa [psi] 16 [2.3]
Dirty Filter …………………………………………………………………. kPa [psi] 30 [4.4]
Air System¹
Intake Manifold Pressure ..….……..………………….…………..……….kPa [in Hg] 162 [48]
Intake Air Flow .………..….………….…….…………………….……..……l/sec [cfm] 156 [331]
Heat Rejection to Ambient5 ….…..………..……..………………………kW [Btu/min] 17 [980]
Exhaust System¹
Exhaust Gas Flow …….……..…………………………………..……..….l/sec [cfm] 414 [877]
Exhaust Gas Temperature (Turbine Out) …………………………°C [°F] 516 [960]
Max. Exhaust Pressure ………………….……….………………………kPa [in Hg] 10 [3]
Emissions (in accordance with ISO 8178 Cycle E3)
NOx (Oxides of Nitrogen) …….……………………………………..….g/kwꞏhr [g/hpꞏhr] 5.06 [3.77]
HC (Hydrocarbons) …….……………………………….………..………g/kwꞏhr [g/hpꞏhr] 0.24 [0.18]
CO (Carbon Monoxide) ……….………..………………………………..g/kwꞏhr [g/hpꞏhr] 1.50 [1.12]
PM (Particulate Matter) ………………………………………………….g/kwꞏhr [g/hpꞏhr] 0.12 [0.09]
Cooling System¹
Sea Water Pump flow4 ( Discharge Restriction Pressure 40 kPa )……….……….. m3/hr 8.8
Pressure Cap Rating (With Heat Exchanger Option) ……………….….…….…..kPa [psi] 48 [7]
Max. Pressure Drop Across Any External Cooling System Circuit .…..…..kPa [psi] 34 [5]
Jacket Water Aftercooled Engine (JWAC)
Coolant Flow to Engine Heat Exchanger ………….…………..……..l/min [gal/min] 121 [32]
Standard Thermostat Operating Range (Start to Open) …….…..………°C [°F] 71 [160]
Standard Thermostat Operating Range (Full Open) ………………………..…….°C [°F] 83 [182]
Heat Rejection to Engine Coolant³ …………………………………kW [Btu/min] 70 [4001]
Coolant Capacity
Engine Only…………………………………………………………..l [gal] 9 [2.4]
Electrical and Start System
Voltage…………………………………………………………………………………..V 24
Cold Soak at -18°C (0°F) -Cold Cranking Amperes Rating …………………….CCA 600
Maximum Allowable Resistance of Starting Circuit ……………………..Ohms 2
Min. start temperature without cold starting ai………………………..……°C [°F] -12 [-10]