Facts About Generators

Cummins/Onan 4BTAA3.9-C125 Engine

The Cummins/Onan 4BTAA3.9-C125 is a 3.9 L engine rated at 2300 rpm. It powers generator sets from ATLAS COPCO, including the XAHS 206C, XAHS 350, XAHS 450 and XAS 186. It holds 9 L (2.4 gal) of oil and 19 L (5.0 gal) of coolant.

Engine specifications

Oil capacity9.0 L
Coolant capacity19.0 L
Displacement3.9 L
Rated speed2300 rpm

Generator sets powered by this engine

ATLAS COPCO XAHS 206CATLAS COPCO XAHS 350ATLAS COPCO XAHS 450ATLAS COPCO XAS 186ATLAS COPCO XAS 375ATLAS COPCO XATS 156ATLAS COPCO XATS 350ATLAS COPCO XAVS 450