This Marathon 48S17T290 oil burner motor is single split phase with one-speed operation. It runs at 1/6 hp, with a maximum speed of 1725 rpm. It operates at 115 VAC, 2.7 Amp. The motor has a 48N frame with open drip proof (ODP) enclosure, flange mounting, and sleeve bearing system. It has manual protection. Weight is 12 pounds.