Facts About Generators

Isuzu BH-4HK1X Engine

The Isuzu BH-4HK1X is a 5.19 L engine rated at 1500 rpm. It powers generator sets from AIRMAN, including the SDG125AS, SDG125S-1B1, SDG125S-7B1 and SDG150AS. It holds 17 L (4.5 gal) of oil and 20.5 L (5.4 gal) of coolant.

Engine specifications

Oil capacity17.0 L
Coolant capacity20.5 L
Displacement5.193 L
Rated speed1500 rpm

Generator sets powered by this engine