Portable Duratech GRINDMASTER R6050 Horizontal Grinder Plant W/ Cat 3408 Diesel Engine. 56" Wide Rotor W/ Knife Blade Cutter Tips. 58" (w) X 106" (l)hopper W/ Hydraulic Ram To Push Material To Grinder.58" Rear Discharge Conveyor. Tandem Axle Chassis W/ 5th Wheel Pin, 215/75r17.5 Tires, (2) Manual Dolly Stands, Enclosed Operators Cab, Access Ladder, And Walkway. Contact Jeff (m/ ).