Unused 23 gpm Stainless Steel Horizontal Gear Pump. Mfg. by Viking. Model K4127A. 23 gpm @ 36 psi. 1.5 HP, 1750 rpm, 208–230/460 V. Nord gearbox input 1760 rpm, output 337 rpm, ratio 4.93. 2" suction, 2" discharge. Built as Waste Oil Pump. Serial # 7887890034, Model #K4127A.