W-Series

https://www.isuzuengines.com/isuzu-products/?t=1#divsearch_W-SERIES

The 6W-Series current production 15.7L engine produces 389-512 HP (290-382 kW). Originally developed for the truck and bus markets generating miles of dependable history, the 6W is an industrial off-road powerhouse proven in wheel loader, excavator and generator applications yet can also power irrigation systems, pump applications and air compressors. Backed by an industry-leading 5-year/5000-hour limited warranty, we stand behind our product!