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Power Solutions International 31.8L CAC Engine

The Power Solutions International 31.8L CAC is a 31.8 L 12-cylinder turbo charge-air cooled engine rated at 1800 rpm, producing up to 720 kW. It powers generator sets from MTU, including the 12V0265 GS500, 12V0265 GS550, 12V0265 GS600 and 12V0265 GS650. It holds 122 L (32.2 gal) of oil and 88.1 L (23.3 gal) of coolant.

Also known as: PSI HD 31.8L CAC

31.8 L
Displacement
12
Cylinders
1800 rpm
Rated speed
720 kW
Gross power

Engine specifications

Oil capacity122.0 L
Coolant capacity88.1 L
Displacement31.8 L
Cylinders12
AspirationTurbo Charge-Air Cooled
Rated speed1800 rpm
Gross power720 kW

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelDiesel #2Recommended Fuel for diesel gensets (e.g. DS30, DS40, DS50, DS80, DS100, DS125, DS150, DS180, DS200, DS230, DS250, DS275, DS300, DS350, DS400, DS450, DS500)

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

VoltagePhaseConnectionLeadsNotes
208V312 LEAD WYEExample from MTU 4R0063 GS30
240V112 LEADExample from MTU 4R0063 GS30 SYSTEM RATINGS connection row
240V14 LEADExample from MTU 4R0063 GS30
240V312 LEAD DELTAExample from MTU 4R0063 GS30
380V312 LEAD WYEExample from MTU 4R0063 GS30
480V312 LEAD WYEExample from MTU 4R0063 GS30
600V34 LEAD WYE DOUBLE DELTAExample from MTU 4R0063 GS30

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Power Solutions International 31.8L CAC?

The Power Solutions International 31.8L CAC engine has an oil capacity of 122.0 liters.

What is the displacement of the Power Solutions International 31.8L CAC?

The Power Solutions International 31.8L CAC has a displacement of 31.8 liters with 12 cylinders.

Which generators use the Power Solutions International 31.8L CAC engine?

The Power Solutions International 31.8L CAC powers 4 generator set(s), including MTU 12V0265 GS500, MTU 12V0265 GS550, MTU 12V0265 GS600, MTU 12V0265 GS650.