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Cummins L8.9CMII238 235hp Marine Propulsion Engine

» Cummins Marine Propulsion Engine » Cummins L8.9CMII238 235hp Marine Propulsion Engine

Cummins L8.9CMII238 235hp Marine Propulsion Engine

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Cummins Marine Propulsion Engine

Displacement: 8.9 liter [542 in³]      Rated Power: 175 kw [235 bhp]
Bore: 114 mm [4.49 in]                       Rated Speed: 2200 rpm
Stroke: 145 mm [5.71 in]                    Rating Type: Continuous Duty
Cylinders: 6                                          Aspiration: Turbocharged
Fuel System: HPCR                            110% Power: 193 kw [259 bhp]

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  • Specifications

Cummins L8.9CMII238 235hp Marine Propulsion Engine

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 L8.9CMII238 235hp Propulsion Marine Engine Performance Data

General Engine Data
Engine Model ……….………………………………………..…………………………L8.9CMII238
Rating Type …………………….……..…………………………………………………Continuous Duty
Rated Engine Power …….…..……………………………..…………………….kW [hp] 175 [235]
Rated Engine Speed ………………..….……………..…………………………….rpm 2200
Rated Power Production Tolerance ……….…..………………….…………………………….±% 3
Rated Engine Torque …………………………..……….……………………………Nꞏm [lbꞏft] 760 [561]
Peak Engine Torque @ 1500 rpm………………………..……………………Nꞏm [lbꞏft] 1022 [754]
Brake Mean Effective Pressure ..……….……….….……………………………..kPa [psi] 1076 [156]
Indicated Mean Effective Pressure……………..………………………………kPa [psi] 1240 [180]
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 ….…….……………………………………………………….……… 16.6:1
Piston Speed ……………………………………….….…………………………m/sec [ft/min] 10.6 [2093]
Firing Order ……..…………………….…………..………..…….……………….
Weight – Engine Only – Average …….……..….……..…………………………..kg [lb] 877 [1933]
Weight – Engine With Heat Exchanger System – Average….……….….……………..…..kg [lb] 1001 [2207]
Governor Settings
Default Droop Value…………………………….…..Refer to MAB 2.04.00-03/23/2006 for Droop explanation 7%
Maximum Droop Allowed………………………………………………………………………………………………
High Speed Governor Break Point………………………….……………………..rpm 2280
Minimum Idle Speed Setting ……….…….…….….………………………………rpm 750
Normal Idle Speed Variation .…………………………………….….…………………±rpm 50
High Idle Speed Range Minimum ………………………………………………..……rpm 2280
Maximum …………………………………………………………………….…………….……rpm 2400
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 (OP9337)
Low/High………………………………………………………………………………………………… l/l 18.9 22.7
Min. Oil Pressure at idle speed…………………………………………………………….kPa [psi] 69 [10]
Maximum Operational Angularity of Oil Pan ………………………………………… degree 35
Fuel System¹
Fuel Consumption at Rated Speed ………..………..………………….….l/hr [gal/hr] 49.6 [13.1]
Approximate Fuel Flow to Pump ..…..…..……..….…….………………….l/hr [gal/hr] 181 [47.9]
Maximum Allowable Fuel Supply to Pump Temperature ..…..….………..……°C [°F] 70 [158]
Approximate Fuel Flow Return to Tank .….……..………………………….l/hr [gal/hr] 132 [34.8]
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] 196 [58]
Intake Air Flow .………..….………….…….…………………….……..………l/sec [cfm] 319 [676]
Heat Rejection to Ambient5 ….…..………..……..………………..kW [Btu/min] 23 [1309]
Exhaust System¹
Exhaust Gas Flow …….……..…………………………………..……..….l/sec [cfm] 739 [1,565]
Exhaust Gas Temperature (Turbine Out) …………………………….……°C [°F] 418 [784]
Max. Exhaust Pressure ………………….……….………………………….kPa [in Hg] 10 [3]
Emissions (in accordance with ISO 8178 Cycle E3)
NOx (Oxides of Nitrogen) …….……………………………………..…g/kwꞏhr [g/hpꞏhr] 4.75 [3.54]
HC (Hydrocarbons) …….……………………………….………..…….g/kwꞏhr [g/hpꞏhr] 0.35 [0.26]
CO (Carbon Monoxide) ……….………..…………………………….g/kwꞏhr [g/hpꞏhr] 1.50 [1.12]
PM (Particulate Matter) …………………………………………….g/kwꞏhr [g/hpꞏhr] 0.10 [0.07]
Cooling System¹
Sea Water Pump flow4 ( Discharge Restriction Pressure 40 kPa )…….…..……….m3/hr 11.4
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] 322 [85]
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] 138 [7854]
Coolant Capacity
Engine Only………………………………………………………………………..l [gal] 11 [3]
Electrical and Start System
Voltage……………………………………………………………………………..………..V 24
Cold Soak at -18°C (0°F) -Cold Cranking Amperes Rating …………………….…….CCA 750
Maximum Allowable Resistance of Starting Circuit ………………………….……Ohms 2
Min. start temperature without cold starting aid …………………..……°C [°F] -12 [-10]

Cummins L8.9CMII238,L8.9CMII238,cummins 235hp Marine Propulsion Engine,Cummins L8.9CMII238 235hp Marine Propulsion Engine

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