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Cummins QSK38-M1200(2.2) Diesel Engine for Marine

QSK38-M1200(2.2) Diesel Engine for Marine


General of QSK38-M1200 Diesel Engine for Marine

Engine Model QSK38-M1200(2.2)
Displacement 37.9L
Cylinder 12
Configuration V-12 cylinder, 4 stroke diesel
Bore*Stroke 159*159mm
Fuel System MCRS with C2.2 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 N.A [M.A]
Maximum Allowable Engine Speed 2375rpm
Intermittent(<1500hrs/Year) Torque Capacity front of Crank 6329N.m [4668lb.ft]
Front of Crank with SAE#0 Flywheel 3426N.m [2527lb.ft]
Front of Crank with SAE#00 Flywheel 2983N.m [2200lb.ft]
Default Droop Value                                                       (Refer to MAB 2.04.00-03/23/2006 for Droop explanation) 16%
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 1900-2204rpm
Avg. Fuel Consumption - ISO 8178 E3 Standard Test Cycle 164.2l/hr [43.4gal/hr]
Fuel Consumption at Rated Speed 231.6l/hr [61.2gal/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  317.3l/hr [83.8gal/hr]
Approximate Fuel Return to Tank Temperature 44.6°C [112℉]
Maximum Heat Rejection to Drain Fuel 0.7kW [42Btu/min]
INSITE Reading 130001kPa [18,855psi]
Intake Manifold Pressure 202kPa [60in Hg]
Intake Air Flow 1442l/sec [3056cfm]
Heat Rejection to Ambient 36kW [2037Btu/min]
Exhaust Gas Flow 2936l/sec [6221cfm]
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]
Max. Pressure Drop Across Any External Cooling System Circuit 34kPa [5psi]
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 482kW [27,419Btu/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 ( CUMMINS QSK38-M1200(2.2)  QSK38-M1300(2.2)  QSK38-M1350(2.2)  QSK38-M1400(2.2)  QSK38-M1200(3.0)  QSK38-M1300(3.0)  QSK38-M1350(3.0)  QSK38-M1400(3.0) )