This Marathon 184TBDR5326 air compressor capacitor start/capacitor run motor is single phase with one-speed operation. It runs at 3 hp, with a maximum speed of 1800 rpm. It operates at 230 VAC, 12.6 Amp. The motor has a 184T frame with open drip proof (ODP) enclosure, rigid base mounting, and ball bearing system. Weight is 51 pounds.