Jan 06, 2022 · 1 HP - 208 volt, 240 volt, or 480 volt 3 phase motor comes standard with the MJ-500. A 1-1/2 HP 220 Volt 60Hz single phase motor is available. Bottom or top motor mount. Size 50 roller chain. (4880 lbs tensile breaking strength) Pillow block top fixture. Top and bottom final limits. Powder coated rail assembly, trolley, and car.