Pump sold separately. Converts power priority Axial Piston Pump to a constant displacement Gear Pump. The core charge is for the Axial Piston Pump. Hydraulic Flow Control ValveĀ is recommended when converting models that operate variable speed orbit motor implements.Order 70933 New (12 GPM) or 70932 New (15 GPM) Gear Pump SeparatelyThe 830457 Gear Pump Conversion Kit fits equipment brands such as: International