CUMMINS QSK38-M1300(3.0) Diesel Engine for Marine

General of CUMMINS QSK38-M1300 Diesel Engine for Marine

Engine Model QSK38-M1300(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 CUMMINS QSK38-M1300 Diesel Engine for Marine

Rated Engine Power 969kW [1300hp]
Rated Engine Speed 1800rpm
Rated Power Production Tolerance -3%/+5%
Rated Engine Torque 5143N.m [3793lb.ft]
Peak Engine Torque @ 1400rpm 5553N.m [4096lb.ft]
Break Mean Effective Pressure 1715kPa [249psi]
Indicated Mean Effective Pressure 1977kPa [287psi]
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 179.0l/hr [47.3gal/hr]
Fuel Consumption at Rated Speed 247.9l/hr [65.5gal/hr]
Approximate Fuel Flow to Pump 560.2l/hr [148.0gal/hr]
Maximum Allowable Fuel Supply to Pump Temperature 60.0°C [140℉]
Approximate Fuel Flow Return to Tank  312.3l/hr [82.5gal/hr]
Approximate Fuel Return to Tank Temperature 53.9°C [129℉]
Maximum Heat Rejection to Drain Fuel 2.2kW [127Btu/min]
Intake Manifold Pressure 203kPa [60in Hg]
Intake Air Flow 1547l/sec [3279cfm]
Heat Rejection to Ambient 36kW [2050Btu/min]
Exhaust Gas Flow 3056l/sec [6475cfm]
Exhaust Gas Temperature (Turbine Out) 362°C [683℉]
Exhaust Gas Temperature (Manifold) 551°C [1023℉]
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 552kW [31,407Btu/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 239kW [13,602Btu/min]
Maximum Coolant Inlet Temperature from LTA Cooler 49°C [120℉]

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