2.5 INCH VIKING GEAR PUMP Stock Number: P-1419 Viking 2.5 inch cast iron gear pump Model LQ124R 5 Hp, 1170 rpm to gear reducer, 7.65 ratio 230/460v, 3ph Packed seal. Nominal 135 gpm @ 640 rpm Last used for grease/oils (4) available Posted in Pump, Displacement and Gear.