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Cummins QSK38-M1200(3.0) Diesel Engine for Marine

QSK38-M1200(3.0) Diesel Engine for Marine

General of QSK38-M1200 Diesel Engine for Marine

Engine Model QSK38-M1200(3.0)
Displacement 37.9L
Cylinder 12
Configuration V-12 cylinder, 4 stroke diesel
Bore*Stroke 159*159mm
Fuel System MCRS with C3.0 Injectors
Weight(Dry)-Engine Only-Average 5205kg [11475lb]
Weight(Dry)-Engine with Heat Exchanger System-Average 5450kg [12015lb]
Compression Ratio 15:1
Piston Speed 9.5m/sec [1878ft/min]
Firing Order 2-11-10-3-6-7-12-1-4-9-8-5
Rating Type Continuous Duty
Aspiration Turbocharged/Low Tempreature Aftercooled

Performance Data of QSK38-M1200 Diesel Engine for Marine

Rated Engine Power 895kW [1200hp]
Rated Engine Speed 1800rpm
Rated Power Production Tolerance -3%/+5%
Rated Engine Torque 4747N.m [3501lb.ft]
Peak Engine Torque @ 1400rpm 5553N.m [4096lb.ft]
Break Mean Effective Pressure 1575kPa [228psi]
Indicated Mean Effective Pressure 1837kPa [266psi]
Maximum Allowable Engine Speed 2400rpm
Maximum Torque Capacity from Front of Crank 3164N.m [2334lb.ft]
Default Droop Value                                                       (Refer to MAB 2.04.00-03/23/2006 for Droop explanation) 5%
Minumum-Maxumum Droop Allowed 0%-16%
High Speed Governor Break Point 1900rpm
Minimum Idle Speed Setting 550rpm
Normal Idle Speed Variation ±10rpm
High Idle Speed Rang Minimum-Maximum 1900-1995rpm
Avg. Fuel Consumption - ISO 8178 E3 Standard Test Cycle 165.5l/hr [43.7gal/hr]
Fuel Consumption at Rated Speed 229.1l/hr [60.5gal/hr]
Approximate Fuel Flow to Pump 548.9l/hr [145.0gal/hr]
Maximum Allowable Fuel Supply to Pump Temperature 60.0°C [140℉]
Approximate Fuel Flow Return to Tank  319.8l/hr [84.5gal/hr]
Approximate Fuel Return to Tank Temperature 44.5°C [112℉]
Maximum Heat Rejection to Drain Fuel 0.7kW [41Btu/min]
Intake Manifold Pressure 203kPa [60in Hg]
Intake Air Flow 1504l/sec [3187cfm]
Heat Rejection to Ambient 36kW [2037Btu/min]
Exhaust Gas Flow 2949l/sec [6249cfm]
Exhaust Gas Temperature (Turbine Out) 332°C [630℉]
Exhaust Gas Temperature (Manifold) 491°C [915℉]
Sea Water Pump Specifications MAB 0.08.17-07/16/2001
Pressure Cap Rating (With Heat Exchanger Option) 103kPa [15psi]
Coolant Flow to Main Cooler (with blocked open thermostat) 1128l/min [298gal/min]
Standard Thermostat Operating Rang   Start to open-Full open 82°C [180℉]—95°C [202℉]
Heat Rejection to Engine Coolant 520kW [29586Btu/min]
Coolant Flow to LTA Cooler (with blocked open thermostat) 598l/min [158gal/min]
LTA Thermostat Operating Rang   Start to open-Full open 46°C [115℉]—57°C [135℉]
Heat Rejection to Engine Coolant 223kW [12,675Btu/min]
Maximum Coolant Inlet Temperature from LTA Cooler 49°C [120℉]

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Quick search: QSK38 Series engine (QSK38-M1200(2.2)  QSK38-M1300(2.2)  QSK38-M1350(2.2)  QSK38-M1400(2.2)  QSK38-M1300(3.0)  QSK38-M1350(3.0)  QSK38-M1400(3.0) )