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Cummins/Onan 4BTAA3.3-G14 Engine

The Cummins/Onan 4BTAA3.3-G14 is a 4-cylinder turbocharged and after-cooled engine rated at 1500 rpm, producing up to 62.6 kW. It powers generator sets from Cummins/Onan, including the C44D5R and C66D5R. It holds 8 L (2.1 gal) of oil.

Also known as: Cummins 4BTAA3.3-G14

Part of the Cummins/Onan 4BTAA3.3 engine family — 10 variants share parts & fitment.

4
Cylinders
1500 rpm
Rated speed
62 kW
Gross power
8.0 L
Oil capacity

Engine specifications

Oil capacity8.0 L
Cylinders4
AspirationTurbocharged and after-cooled
Rated speed1500 rpm
Gross power62 kW

Parts cataloged across the Cummins/Onan 4BTAA3.3 family

4
Part #DescriptionCategory
PI144D1Alternator Modelalternator
UC274CAlternator Modelalternator
UC274KAlternator Modelalternator
V2403-M-E3BGEngine Modelother_service

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the oil capacity of the Cummins/Onan 4BTAA3.3-G14?

The Cummins/Onan 4BTAA3.3-G14 engine has an oil capacity of 8.0 liters.

Which generators use the Cummins/Onan 4BTAA3.3-G14 engine?

The Cummins/Onan 4BTAA3.3-G14 powers 2 generator set(s), including Cummins/Onan C44D5R, Cummins/Onan C66D5R.