R. Cushman and Associates specializes in design and manufacturing of speed increasers / reducers.  If you need to target a specific speed to run you pumps or accessories let Cushman design a gearbox for your application.  All our gearing is ground to standards typically higher then AGMA standards, while the housings can be cast or fabricated housings in either steel or aluminum. We also have over 600 gearbox designs in our library to help fit your needs.  See below our model number links for our more common speed reducers / increasers and specifications.

Don’t see what you need?  Click here and fill out one of our data application sheets and submit via fax or email for review and we will contact you regarding your application.