Used 1993 Vilter VSS601 Single Screw Compressor Package. Model: VSS601. Refrigerant: Last used with R-717 (ammonia). 250 HP electric motor. 1993 Vilter oil separator, MAWP: 300 psig at 400 °F. MDMT: -20°F at 300 psi. Vilter microprocessor control panel. Nominal capacity: 214 tons at 227.9 bhp with a 20˚F suction temperature and a 95˚F condensing temperature, or 37.6 TR / 137.8 BHP at -40F/95F. Variable Vi setting: 2.2 to 5.0. Displacement: 568 cfm. Overall dimensions: 12 ft. 7 in. L x 4 ft. 3 in. W x 7 ft. 5 in. H. No hours on compressor since factory rebuild.