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Generac SG250 Engine

The Generac SG250 is a 12.88 L 6-cylinder turbocharged/aftercooled engine rated at 1800 rpm, producing up to 250 kW. It powers generator sets from Generac. It holds 34.3 L (9.1 gal) of oil and 71.9 L (19.0 gal) of coolant.

Also known as: Generac SG250

12.88 L
Displacement
6
Cylinders
1800 rpm
Rated speed
250 kW
Gross power

Engine specifications

Oil capacity34.3 L
Coolant capacity71.9 L
Displacement12.88 L
Cylinders6
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm
Gross power250 kW

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterStd find
Fuel filterStandard104 hr find
Oil filterFull-flow cartridge find
CoolantPressurized Closed Recovery71.9 Liters
OilGear34.3 L (qts)

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the oil capacity of the Generac SG250?

The Generac SG250 engine has an oil capacity of 34.3 liters.

What is the displacement of the Generac SG250?

The Generac SG250 has a displacement of 12.88 liters with 6 cylinders.

Which generators use the Generac SG250 engine?

The Generac SG250 powers 1 generator set(s), including Generac SG250.