Used 50 gallon J. H. Day Mixer Mixtruder, built 1971, Serial number 86065, National board no. 1117. Stainless steel contact parts. Jacketed bowl rated for 125 psi at 353 F., 32" x 31.75" x 22" deep. Shell rated for atmospheric at 353 F. Mixing arms are cored. Domed vacuum cover, with good gasket, hydraulically operated. Spiral blades are driven by 25 HP Varidrive, double chain & sprocket. Extruder screw is 7" diameter. Extruder screw is driven by 30 HP hydraulic unit. 230/460 voltage. Extruder barrel is jacketed. Hydraulics also operate the domed cover.