Cotta Heavy-Duty Gearboxes for Oil & Gas

Oil & Gas Industry
Oil and gas processing platform

Cotta’s long tradition of manufacturing the highest quality gearboxes, American-made for over 100 years, is represented in our extensive offering of standard and custom designed solutions. In the oil and gas industry, Cotta gearboxes have been crucial for power transmission and speed/torque control in many applications – including drilling, refining and processing – which require robust, reliable and specialized solutions. Our gearboxes are engineered to OEM specifications, and we just manufactured OUR 7,500TH GEARBOX for the oil and gas market!

We know equipment downtime is lost time and money.

Need a stocking program? We stock popular models of complete gearbox units as well as genuine replacement parts. Please contact us today to discuss your part and gearbox needs with us!

Genuine Cotta Parts are designed to match our exact standards, tolerances and OEM specifications, so they fit and work optimally in Cotta brand of equipment. We maintain an extensive inventory of standard service parts, and any non-stock parts are made to order in our factory here.

Contact us to discuss your Oil & Gas needs or request a quote!

Please fill out the CONTACT FORM or call us at 608.368.5600!

High-performance gearboxes. Collaborative team of experts.

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made in usa

Proudly Made in the USA
See how we build in Janesville, WI

made in usa

Proudly Made in the USA
See how we build in Janesville, WI

Cotta, LLC
1809 Adel Street, Suite 120
Janesville, WI 53546
(608) 368-5600

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© 2026 Cotta, LLC – 1809 Adel Street, Suite 120, Janesville, WI 53546 – (608) 368-5600