At ConExpo, Isuzu Motors announces heavy-duty natural gas engine for off-highway

Isuzu Motors America used the ConExpo-Con/Agg 2017 stage to announce its intention to produce a dual-fuel capable (natural gas and propane) off-highway engine by mid-2018, leveraging its already-in-production on-highway CNG truck engine.

The 4.6-L 4HV1 engine, on display for the first time at the Las Vegas event, will have an expected maximum rated output of 81 hp (60.5 kW) at 1800 rpm and torque rating of 247 lb·ft (335 N·m) at 1400 rpm when operating in natural gas mode.