This Marathon 48S17D2057 belt drive motor is single split phase with one-speed operation. It runs at 1/3 hp, with a maximum speed of 1725 rpm. It operates at 115 VAC, 5.5 Amp. The motor has a 48YZ frame with open drip proof (ODP) enclosure, resilient ring mounting, and ball bearing system. It has auto protection. Weight is 15 pounds.