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Generac 1.5L Engine Engine

The Generac 1.5L is a 1.5 L 4-cylinder naturally aspirated engine rated at 3600 rpm. It powers generator sets from Generac, including the QT020, QT025 and QT030. It holds 3.79 L (1.0 gal) of oil and 7.57 L (2.0 gal) of coolant.

Part of the Generac 1.5L engine family — 2 variants share parts & fitment.

1.5 L
Displacement
4
Cylinders
3600 rpm
Rated speed
3.785 L
Oil capacity

Engine specifications

Oil capacity3.785 L
Coolant capacity7.57 L
Displacement1.5 L
Cylinders4
AspirationNaturally Aspirated
Rated speed3600 rpm

Generator sets powered by this engine

3
Generac QT020Generac QT025Generac QT030

Common questions

What is the oil capacity of the Generac 1.5L?

The Generac 1.5L engine has an oil capacity of 3.785 liters.

What is the displacement of the Generac 1.5L?

The Generac 1.5L has a displacement of 1.5 liters with 4 cylinders.

Which generators use the Generac 1.5L engine?

The Generac 1.5L powers 3 generator set(s), including Generac QT020, Generac QT025, Generac QT030.