This horizontal grinder is powered by a 750 hp CAT ETTA Diesel engine that is under warranty until June 2008. There are 3 grates installed: 1-1/2″, 1-2″ and 1-3″ and it has 6 function remote magnetic end pulley. This machine has had several factory updates to include rakers in the mill. The back side of the hood has been rebuilt. A new torque limiter has been installed. All tires and batteries are 1 year old. This Morbark 5600 Horizontal wood grinder also comes with new Wabasto pre heater assembly. Local Morbark dealer says it is in excellent working condition.