HomeEnginesCummins/Onan Kubota D1503-M

Cummins/Onan Kubota D1503-M Engine

The Cummins/Onan Kubota D1503-M is a 1.5 L 3-cylinder liquid-cooled engine rated at 1800 rpm, producing up to 24.8 kW. It powers generator sets from Cummins/Onan, including the ONAN QD 10000, QD 10000 and QD 12000. It holds 5.6 L (1.5 gal) of oil and 6.2 L (1.6 gal) of coolant.

Also known as: Cummins Kubota D1503-M

1.499 L
Displacement
3
Cylinders
1800 rpm
Rated speed
24 kW
Gross power

Engine specifications

Oil capacity5.6 L
Coolant capacity6.2 L
Displacement1.499 L
Cylinders3
Aspirationliquid-cooled
Rated speed1800 rpm
Gross power24 kW

Generator sets powered by this engine

3
Cummins/Onan ONAN QD 10000Cummins/Onan QD 10000Cummins/Onan QD 12000

How to read your Cummins/Onan engine serial & model number →

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelDiesel
FuelNo. 2Dieselbelow 29°CRatings apply up to 500 ft altitude, 29°C ambient

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Cummins/Onan Kubota D1503-M?

The Cummins/Onan Kubota D1503-M engine has an oil capacity of 5.6 liters.

What is the displacement of the Cummins/Onan Kubota D1503-M?

The Cummins/Onan Kubota D1503-M has a displacement of 1.499 liters with 3 cylinders.

Which generators use the Cummins/Onan Kubota D1503-M engine?

The Cummins/Onan Kubota D1503-M powers 3 generator set(s), including Cummins/Onan ONAN QD 10000, Cummins/Onan QD 10000, Cummins/Onan QD 12000.