Description Overview Cumberland granulator Model 584 1976 model year Specifications 14 x 20 inch feed throat 3 knife slant cut open rotor 2 bed knife Approximate 15 hp, 460 volt motor Insulated tray feed hopper Rear mounted 14.5 inch trumpet feed roll in-feed Smooth steel feed rolls are 2.5 inches diameter x 15.75 inches long in off-set position Feed rolls are pneumatically actuated Feed rolls are powered by a 2 hp, 460 volt, 1725 rpm motor through a 30:1 Boston gearbox Controlled by a Baldor a/c variable speed drive unit 6 inch left hand Airveyor discharge on casters Includes starter and controls 3/16 inch screen installed