Used Vilter 450XL 8-Cylinder Reciprocating Compressor with 150 HP motor. 458XL. Compressor has no Data Plate. The Vilter VMC 450 series was an improvement over the venerable VMC 440 series. Maximum RPM: 1,200. CFM at Max RPM: 398 CFM (676 (cu. m/hr). Tons refrigeration at 95F condensing: 117 with R-22, 97 with R-717 Ammonia. Compressor weight less motor: 3,400 lbs. Maximum discharge Temp: 300F. (compressor ratings from Vilter brochure, Vilter mentions that changes in specs may change without notice). Vilter 4 in. and 5 in. valves. Oil Cooler Model # 3-Y-12, MVHT-4-A-0T, Shell Design Pressure: 300 PSI@ 300 F, Tube Design Pressure: 300 PSI at 300F, WT-920785/3, 1992. Marathon Electric Severe Duty Motor 150 HP, 1780 RPM, 460 Volts, 167 Amps, 3-phase, 60HZ, 445T Frame, TEFC Enclosure. Allan Bradley Size 5 Starter Panel. Hours meter reads: 15,295.25. Overall dimensions: 80 in. L x 48 in. W x 56 in. H.