MRV050 series worm gear speed reducer.
This 20:1 ratio speed reducer is rated for 1.14 HP input at 1750 RPM on a hollow 5/8" diameter x 1-7/8" long keyed shaft and 56C mounting flange.
Output is 646 lb/in on a hollow 1" diameter x 3-5/8" long keyed shaft.
High quality reducer has an all aluminum heat sinking designed housing with epoxy coating.
Output shaft kits are not included and are sold separately.