Used Vilter VMC-326 6-Cylinder Reciprocating Compressor. Model: VMC-326. Refrigerant: Freon use only. Last used with R-22. Nominal capacity: 79 tons at 77 bhp with a 105 ºF condensing temperature and a 40 ºF suction temperature. Displacement: 171 cfm @ 1800 rpm. Maximum discharge pressure: 300 psi. Maximum discharge temperature: 300 ºF, Hydrostatic test pressure: 600 psi high side; 375 psi low side, 115 V require for oil heaters. Inlet: (1) 3-5/8 in. dia. suction port. Outlet: (1) 2-5/8 in. dia. discharge port. Approximate compressor weight: 1,500 lbs. Overall dimensions: 3 ft. 5 in. L x 2 ft. 8 in. W x 2 ft. 3 in. H.(ACN132).