About Us

Precision Helical Gear Rack & Pinion

Helical Gearing

GearKo precision planetary gear reducers & gear rack are built with world class gear manufacturing capabilities, quality material suppliers, and state of the art quality in plant processes allows GearKo to offer the highest level of precision, durability and endurance in the market today.

Helical Planetary Reducers

World Class Reducers

The GearKo Planetary Reducers are designed and built for advanced high speed low backlash applications. Our manufacturing processes allows us to offer exceptional shock load capabilities and endless mounting options. 


Super Precision, Outstanding Durability.

 All key manufacturing processes are fully self-contained. All core parts for our planetary gear reducers are manufactured of high quality materials and machining with a philosophy that "professional people handle specialized products, professional companies do specialized processes" . Quality is achieved by professional staff and state of the art testing equipment.

Contact Us

GearKo Customer Service

Call today with your application and let our gearing experts assist you.


18 South Main Street, Knox, Indiana 46534, United States

(888) 452-2545


Open today

9:00 am – 5:00 pm

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