Diesel engines are Isuzu's core business. Isuzu delivers its products to over 120 companies worldwide, amongst whom a number of well known manufacturers of industrial and agricultural equipment. 

See below a complete list of all Isuzu engines and its extensions. 

Engine Extension Type Engine code
4HK1 XYBA01 4HK1-XYBA01 4HK1XDH1AA
4HK1 XYBB01 4HK1-XYBB01 4HK1XDH1AA
4HK1 XYBB02 4HK1-XYBB02 4HK1XDH1AA
4HK1 XYBW01 4HK1-XYBW01 4HK1XDH1AA
4HK1 XYBW02 4HK1-XYBW02 4HK1XDH1AA
4HK1 XYBW03 4HK1-XYBW03 4HK1XDH1AA
4HK1 XYCD01 4HK1-XYCD01 4HK1XDH1AA
4HK1 XYCD02 4HK1-XYCD02 4HK1XDH1AA
4HK1 XYFT01 4HK1-XYFT01 4HK1XDH1AA
4HK1 XYFT02 4HK1-XYFT02 4HK1XDH1AA
4HK1 XYGD01 4HK1-XYGD01 4HK1XDH1AA
4HK1 XYGD02 4HK1-XYGD02 4HK1XDH1AA
4HK1 XYGD03 4HK1-XYGD03 4HK1XDH1AA
4HK1 XYGD04 4HK1-XYGD04 4HK1XDH1AA
4HK1 XYGD05 4HK1-XYGD05 4HK1XDH1AA
4HK1 XYGD06 4HK1-XYGD06 4HK1XDH1AA
4HK1 XYGV01 4HK1-XYGV01 4HK1XDH1AA
4HK1 XYGV02 4HK1-XYGV02 4HK1XDH1AA
4HK1 XYJA01 4HK1-XYJA01 4HK1XDH1AA
4HK1 XYLB01 4HK1-XYLB01 4HK1XDH1AA
4HK1 XYSA01 4HK1-XYSA01 4HK1XDH1AA
4HK1 XYSA02 4HK1-XYSA02 4HK1XDH1AA
4HK1 XYSA03 4HK1-XYSA03 4HK1XDH1AA
4HK1 XYSA04 4HK1-XYSA04 4HK1XDH1AA
4HK1 XYSA05 4HK1-XYSA05 4HK1XDH1AA
4HK1 XYSA06 4HK1-XYSA06 4HK1XDH1AA
4HK1 XYSA07 4HK1-XYSA07 4HK1XDH1AA
4HK1 XYSC01 4HK1-XYSC01 4HK1XDH1AA
4HK1 XYSJ01 4HK1-XYSJ01 4HK1XDH1AA
4HK1 XYSJ02 4HK1-XYSJ02 4HK1XDH1AA
4HK1 XYSJ03 4HK1-XYSJ03 4HK1XDH1AA
4HK1 XYSS01 4HK1-XYSS01 4HK1XDH1AA
4HK1 XYSS02 4HK1-XYSS02 4HK1XDH1AA
4HK1 XYSS03 4HK1-XYSS03 4HK1XDH1AA
4HK1 XYSW01 4HK1-XYSW01 4HK1XDH1AA
4HK1 XYWB01 4HK1-XYWB01 4HK1XDH1AA
4HK1 XZSA01 4HK1-XZSA01 4HK1XDH1AA
4HK1 XZSA02 4HK1-XZSA02 4HK1XDH1AA
4HK1 XZSA03 4HK1-XZSA03 4HK1XDH1AA
4HK1 XZSA04 4HK1-XZSA04 4HK1XDH1AA
4HK1 XZSC01 4HK1-XZSC01 4HK1XDH1AA
4HK1 XZSC02 4HK1-XZSC02 4HK1XDH1AA
4HK1 XZSJ01 4HK1-XZSJ01 4HK1XDH1AA
4HK1 XZSS01 4HK1-XZSS01 4HK1XDH1AA
4HK1 XZSS02 4HK1-XZSS02 4HK1XDH1AA
4HK1 XZSS03 4HK1-XZSS03 4HK1XDH1AA