This 12 foot tub grinder is California permitted & powered by a rebuilt 525 hp CAT 3406 Diesel engine. Engine was rebuilt by a CAT dealer and only has 900 hours of use. Unit has the patented Duplex Drum for easy hammer changes & the tilt tub provides easy access to the mill. If features a magnetic head pulley, a new clutch, & it comes with extra screens . This grinder has been used for grinding construction wood & has been well maintained. This grinder can also be used to grind stumps, trees, brush, and many other types of wood waste. Call today for more details!