1993 FES 23LB / Kobe KS23LNB Booster Rotary Screw Compressor Booster Package. Model: 23LB / KS23LNB. Serial No: KT-0036.Refrigerant: last used with R-717 (ammonia). Nominal capacity: 163.4 tons at 224.4 BHP with a -40ºF suction temperature and a 30ºF discharge temperature. Vi setting: 3.65. Displacement: 1,685 cfm. 1992 Oil separator: FES no: 920484, National Bd. No: 6162. MAWP: 300 PSI at 400°F. MDMT: -20°F at 300 PSI. Ram Industries motor. 250 HP, 3565 RPM, 570/285A, 230/460V, 60 Hz, 3 phase. Inside the panel, it says: New meter at 22,330. The current meter reading is 3,947.2 hours. Total is 26,277.2 hours Overall dimensions: 14 ft. L x 5 ft. 1 in. W x 10 ft. 1 in. H. (H)