Construction:
  • Ribbed thin-wall cast iron crankcase for added strength and durability
  • Internal crankcase breather for reduced emissions
  • Extra large bearing surfaces for low bearing loads and long life
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Model "SQ" Series Mitsubishi Diesel Engines

Model "SQ" Series Natural-Aspirated Mitsubishi Diesel Engine
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Model "SQ" Series Mitsubishi Diesel Engines

Model "SQ" Series Turbocharged Mitsubishi Diesel Engine
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Brand N/A Mitsubishi
Engine Cycle N/A 4-Stroke
Cooling System N/A Water-Cooled
Engine Type N/A Natural-Aspirated Diesel N/A Turbocharged Diesel
Bore N/A 88 mm
Stroke N/A 103 mm
Cylinders N/A 4
Cylinder Arrangement N/A Inline
Total Displacement N/A 2.505 L
Combustion System N/A Swirl Chamber - Indirect Injection (IDI)
Dry Weight N/A 195 kg430 lb N/A 200 kg442 lb
Electric Starting System Voltage N/A 12 V
Oil Capacity N/A 1.72 gal6.5 L
Fuel Oil N/A Diesel Fuel Oil (ASTM No. 2-D)
Emission Standards N/A Tier4Fi
Continuous Output Power Rating at 1500 rpm N/A 28.6 hp21.3 kW N/A 31.5 hp23.5 kW
Continuous Output Power Rating at 1800 rpm N/A 35.8 hp26.7 kW N/A 37.7 hp28.1 kW
Continuous Output Power Rating at 2000 rpm N/A 40.1 hp29.9 kW N/A 42.2 hp31.5 kW
Continuous Output Power Rating at 2200 rpm N/A 43.7 hp32.6 kW N/A 44.9 hp33.5 kW
Continuous Output Power Rating at 2400 rpm N/A 45.7 hp34.1 kW N/A 48.5 hp36.2 kW
Continuous Output Power Rating at 2500 rpm N/A 46.4 hp34.6 kW N/A
Prime Power Rating Output at 60 Hz and at 1800 rpm N/A 31.5 hp23.5 kW N/A
Stand-by Rating Output at 60 Hz and at 1800 rpm N/A 33.5 hp25.0 kW N/A
Lubrication N/A
  • Designed to run at 30 degrees of inclination and includes a full flow spin-on cartridge filter
  • Forced circulation by gear pump
Fuel and Combustion Systems N/A
  • Bosch style fuel injection pump
  • Indirect injection combustion system for low noise and emissions
  • Cylinder head is a prechamber design to increase efficiency of combustion
Mounting N/A
  • Standard crankcase side mounting pads for flexible mounting arrangements
  • Rear engine support available from side mounting pads on SAE 4 housing
Cooling N/A
  • Forced circulation by centrifugal pump
  • Cooling packages available for ambient temperatures
  • Cooling Fan (Std. Eqt.) : Variable Speed (VS) - Suction
  • Cooling Fan (Std. Eqt.) : Generator Drive (GD) - Pusher
Starter Voltage N/A 12 V
Starter Power N/A 2.0 kW
Alternator Voltage N/A 12 V
Alternator Power with Integral Regulator N/A 50 A
Glow Plug Voltage N/A 12 V
Switch N/A High Water Temperature Low Oil Pressure
Stop Solenoid N/A 12 V, energized to run (ETR) solenoid
Governing N/A Mechanical governing is provided for either variable or constant speeds
Drives N/A
  • SAE 4 flywheel housing and 7.5 inch flywheel (GD and VS models)
  • Rotation direction: counter-clockwise, facing the flywheel end
  • Side PTO drives are available for mounting at the gear end