Urschel model 3640 Comitrol, serial number 230, stainless steel contact, 3" shredding head, 25" wide x 40" long x 28" deep tapered hopper, 7" diameter x 24" long screw, 7" pitch, open bottom discharge, 40 HP electric motor direct drive, 3560 RPM, wired 230/460/3/60, belt driven screw, 1-1/2 HP electric motor belt drive, 1730 RPM, wired 230/460/3/60, all stainless steel construction, requires front cover.