For sale is a Reeves Size 400-HIF-18 Extra Heavy Duty Variable Speed Drive, Serial No.MDX271740-CV. Reliance 7-1/2 HP 3/60/230/460V, 1,750 RPM AC motor. 9-Lead motor; can be wired for 230 or 460 volt operation. Variable speed pulley system output: 715 to 2,150 RPM. NOTE: This Reliance - Reeves Variable Speed Drive System was removed from a good running straight-side punch press that I bought for scrap and will soon be on its way to meet the melting furnace.