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    Now unveiling a line of BLDC Speed Controls

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    Interested in seeing how our motors are made? Check out our recent video feature!

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    For over 70 years, we’ve been the American standard in quality motors.

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    Groschopp is the American standard in engineering craftsmanship and custom motors.
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Our Products

AC, DC, and Universal Motors from Groschopp Motors

Rugged by design and built to high quality specifications, Groschopp motors meet the varied demands of many of the world’s most famous brands.

Gearmotors from Groschopp Gearmotors

Preconfigured, tested gearmotor combinations deliver fast, accurate performance data for OEM prototyping and evaluation – and are often the most expedient path to a cost-effective, performance-optimized solution.

Groschopp Gearboxes and Speed Reducers Gearboxes & Speed Reducers

Like our motors, our wide range of right angle gearboxes and planetary right angle reducers are tested and proven for torque ratings, speed and yield strength, allowing you to make the most cost-effective motor-gearbox match.

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Recent Posts

  • Jul29

    Fractional HP Motor Quick Reference Guide: Shaft Inertia

    Need assistance with shaft inertia? We’ve created this quick reference guide just for you. The inertia of solid steel shafting per inch of shaft length is given in the table below. To calculate for hollow shafts, take the difference between the inertia values of O.D. and I.D. as the value per inch. For shafts of […]

  • Jul17

    Knowing Your Teeth: Gear Terminology

    Have you ever looked at a gear drawing and been overwhelmed by all the different specifications, wondering what it all means?  This blog will list and explain several common gear terms. Number of Teeth – the quantity of teeth on the gear. This term becomes slightly more complicated if a sector gear is specified, in […]