HomeEnginesCummins/Onan GTA855

Cummins/Onan GTA855 Engine Engine

The Cummins/Onan GTA855 is a 14 L 6-cylinder non-regulated engine rated at 1500 rpm, producing up to 250 kW. It powers generator sets from Cummins/Onan.

Also known as: Cummins GTA855

14.0 L
Displacement
6
Cylinders
1500 rpm
Rated speed
250 kW
Gross power

Engine specifications

Displacement14.0 L
Cylinders6
AspirationNon-regulated
Rated speed1500 rpm
Gross power250 kW

Generator sets powered by this engine

1

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterIMPCO High Altitude, Low Pressure Gas System (Std) find
Fuel filter find
Oil filterCombination Full Flow/ By-Pass LF 3000 Filter Capacity – U.S. gal. find
Belt find
Coolant
OilMulti-viscosity or straight weight single viscosity NATURAL GAS ENGINE OIL that meets Mil-2104A(CB), Mil-2104B (CC), Mil-2104C (CD/SC), CE and CF-4 specification. Ash Content between .15 and .85 of one percent.3.8 litre

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 displacement of the Cummins/Onan GTA855?

The Cummins/Onan GTA855 has a displacement of 14.0 liters with 6 cylinders.

Which generators use the Cummins/Onan GTA855 engine?

The Cummins/Onan GTA855 powers 1 generator set(s), including Cummins/Onan GTA855.