HomeEnginesCummins/Onan 6BTAA5.9-G2

Cummins/Onan 6BTAA5.9-G2 Engine Engine

The Cummins/Onan 6BTAA5.9-G2 is a 5.9 L 6-cylinder turbo after cooled engine rated at 1500 rpm, producing up to 130 kW. It powers generator sets from AKSA, Atlas Copco and Cummins/Onan, including the ACD 165, QES 125, QES 140 and 6BTAA5.9G2. It holds 16.4 L (4.3 gal) of oil and 10.5 L (2.8 gal) of coolant.

Part of the Cummins/Onan 6BTAA5.9 engine family — 6 variants share parts & fitment.

5.9 L
Displacement
6
Cylinders
1500 rpm
Rated speed
130 kW
Gross power

Engine specifications

Oil capacity16.4 L
Coolant capacity10.5 L
Displacement5.9 L
Cylinders6
Aspirationturbo after cooled
Rated speed1500 rpm
Gross power130 kW

Generator sets powered by this engine

4

Shared across brands: AKSA, Atlas Copco, Cummins/Onan

AKSA ACD 165Atlas Copco QES 125Atlas Copco QES 140Cummins/Onan 6BTAA5.9G2

Common questions

What is the oil capacity of the Cummins/Onan 6BTAA5.9-G2?

The Cummins/Onan 6BTAA5.9-G2 engine has an oil capacity of 16.4 liters.

What is the displacement of the Cummins/Onan 6BTAA5.9-G2?

The Cummins/Onan 6BTAA5.9-G2 has a displacement of 5.9 liters with 6 cylinders.

Which generators use the Cummins/Onan 6BTAA5.9-G2 engine?

The Cummins/Onan 6BTAA5.9-G2 powers 4 generator set(s), including AKSA ACD 165, Atlas Copco QES 125, Atlas Copco QES 140, Cummins/Onan 6BTAA5.9G2.