HomeEnginesCummins/Onan X12

Cummins/Onan X12 Engine Engine

The Cummins/Onan X12 is a 11.8 L engine rated at 2000 rpm, producing up to 382 kW. It powers generator sets from Cummins/Onan, including the x12. It holds 43 L (11.4 gal) of oil and 508 L (134.2 gal) of coolant.

Also known as: Cummins Inc. X12

11.8 L
Displacement
2000 rpm
Rated speed
382 kW
Gross power
43.0 L
Oil capacity

Engine specifications

Oil capacity43.0 L
Coolant capacity508.0 L
Displacement11.8 L
Rated speed2000 rpm
Gross power382 kW

Generator sets powered by this engine

1

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filter40000 hr find
Oil filter40000 hr find
OilLube oil capacity (with filter)45.0 qt/43 L40000 hr

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 Cummins/Onan X12?

The Cummins/Onan X12 engine has an oil capacity of 43.0 liters.

What is the displacement of the Cummins/Onan X12?

The Cummins/Onan X12 has a displacement of 11.8 liters.

Which generators use the Cummins/Onan X12 engine?

The Cummins/Onan X12 powers 1 generator set(s), including Cummins/Onan x12.

How often should you change the oil in the Cummins/Onan X12?

The Cummins/Onan X12 oil change interval is every 40000 hours.