This portable Diamond Z 4000 grinder is on tracks & powered by a 765HP Diesel engine. It has 6,701 hours of use and is still in operation. It features a 54” x 48” feed opening and can grind up to 120 tons per hour. It will work great for processing stumps, logs, brush, construction & demolition debris, pallets, and much more. It has been well maintained and is in excellent condition. Call today for more details!