MRV075 series worm gear speed reducer.
This 20:1 ratio speed reducer is rated for 3.15 HP input at 1750 RPM on a hollow 7/8" diameter x 2" long keyed shaft and 140TC mounting flange.
Output is 1858 lb/in on a hollow 1-1/4" diameter x 4-3/4" 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.