Unused 23 GPM 316 Stainless Steel Horizontal Gear Pump. Waste Oil Pump. Mfg. by Viking. Model K4127A. 23 gpm @ 36 psi. 1.5 hp, 1750 rpm, 208-230/460 volts. Nord gearbox, Gearbox input 1760 rpm,.Gearbox output 337 rpm. Gear ratio 4.93. 2" suction, 2" discharge. Serial# 7887890032