Liftmaster Motors
A.O. Smith Motor
1725 rpm / 1 HP
(MOT) 20-1100B-2P
A.O. Smith AC motor. Made for a Liftmaster door opener. Ball bearings. 5/8" x 2-3/4"L v-keyed shaft. 56 frame. 1725 rpm. 115v / 208 - 230v, 1 phase, 14 / 7 amps, 60 Hz, 1 HP. Reversible. Base or face mount. Includes capacitor. P/N: C56B23F21. 6 month warranty.
$250 each - $225 (6+)
A.O. Smith Motor
1725 - 1425 rpm / 3/4 HP
(MOT) 20-3075B-4P
A.O. Smith AC motor. Made for Liftmaster overhead doors. 5/8" x 2-3/8"L keyed shaft. 1725 - 1425 rpm, 208 - 230v / 460v, 3 phase, 2.6 / 1.3 amps, 50/60 Hz, 3/4 HP. 56Y frame. Reversible. Base or face mount. P/N: P56B72F21. 6 month warranty.
$290 each - $275 (3+), $250 (12+)
A.O. Smith Motor
1725 - 1425 rpm / 1/2 HP
(MOT) 20-3050B-4P
A.O. Smith AC motor. Made for Liftmaster door opener. 5/8" x 2/3/8"L keyed shaft. 1725-1425 rpm, 208-230v / 460v, 3 phase, 2.4 / 1.2 amps, 50/60 Hz, 1/2 HP. 56Y frame. Reversible. Base or front mount. Ball bearings. P/N: P56B71F21. 6 month warranty.
$149 each - $137 (6+), $125 (25+)
A.O. Smith Motor
1/2 HP / 1000 rpm
(MOT) 20-5150-LD
A.O. Smith AC motor. Made for Liftmaster door opener. 1/2" x 2-3/8"L shaft. 48Y frame, 1000 rpm, 120v, 1 phase, 6 amps, 60 Hz, 1/2 HP. Requires 70 MF / 250v AC Capacitor. 3-5/8" c-c mounting studs. P/N: F48H24B-21. 6 month warranty.
$165 each - $150 (3+)
A.O. Smith Motor
1/2 HP / 1000 rpm
(MOT) 123D0114
A.O. Smith AC motor. Made for Liftmaster door opener. 1/2" x 2"L shaft. 1000 rpm, 120v, 6 amps, 60 Hz, 1/2 HP. 48Y frame. Requires 70 MF / 250v capacitor. 3-5/8" c-c mounting studs. P/N: F48F10B21. 6 month warranty.
$159 each - $145 (3+)