Used Portable Dual Vilter 458 Compressor Unit. Features two Vilter 450 series 8-cylinder ammonia refrigerant compressors mounted inside a 20 ft. cargo container. Compressor 1: model 458, size A12K458XLB, order K53620-2, serial 66833. Electric motor: 175 HP (132 KW), 480V, 194 Amp, 1785 RPM, 60 Hz, 3-phase (also rated for 110 kW, 50 Hz, 400/690V, 194/112 amp, 1485 RPM). Compressor 2: model 458, size A12K458XLB, order K53620-1, serial 66832. Electric motor: 175 HP (132 KW), 132 KW, 480V, 194 Amp, 1785 RPM, 60 Hz, 3-phase (also rated for 110 kW, 50 Hz, 400/690V, 194/112 amp, 1485 RPM). Oil separator vessels certified by Standard Refrigeration: MAWP 400 PSI at 400F, MDMT -20F at 400 PSI, year built: 2009. Estimated weight: 15,000 LBS. Outside dimensions: 20 ft. L x 8 ft. W x 8.5 ft. H.