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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!

  • Groschopp Inc. American-Made in the USA Manufacturing

    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

  • Aug12

    Fractional Horsepower Motor Equations Quick Reference

    Here’s a quick reference  for common fractional horsepower motor related equations.   >>>Need assistance choosing a motor or gearmotor for your application? Check out this short video or contact one of our Regional Account Managers today!

  • 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 […]