Our 32" Sawmill comes with a choice of engines:22hp Predator (RATO) or 14hp KohlerOtherwise these 4 post sawmills are identical.Choose your engine below for pricing and specs.RR5032A32" Sawmill with 22hp RATO (Predator) EngineMore InfoRR5032B32" Sawmill with 14hp KOHLER EngineMore Info