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Power Solutions International 8.1LT Engine

The Power Solutions International 8.1LT is a 4.92 L 6-cylinder turbo charge air cooled engine rated at 1800 rpm, producing up to 239 kW. It powers generator sets from Hipower, including the HNG 160 T6 and HRNG 165 T6. It holds 25 L (6.6 gal) of oil and 22.5 L (5.9 gal) of coolant.

Also known as: PSI-HD 8.1LT

4.92 L
Displacement
6
Cylinders
1800 rpm
Rated speed
239 kW
Gross power

Engine specifications

Oil capacity25.0 L
Coolant capacity22.5 L
Displacement4.92 L
Cylinders6
AspirationTurbo Charge Air Cooled
Rated speed1800 rpm
Gross power239 kW

Generator sets powered by this engine

2
Hipower HNG 160 T6Hipower HRNG 165 T6

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filterSpin-On—
Battery—
Belt—
Coolant102.7 gallons (L)—
Oil25.0 quarts (L)—
Spark plug—

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 Power Solutions International 8.1LT?

The Power Solutions International 8.1LT engine has an oil capacity of 25.0 liters.

What is the displacement of the Power Solutions International 8.1LT?

The Power Solutions International 8.1LT has a displacement of 4.92 liters with 6 cylinders.

Which generators use the Power Solutions International 8.1LT engine?

The Power Solutions International 8.1LT powers 2 generator set(s), including Hipower HNG 160 T6, Hipower HRNG 165 T6.