Overton Chicago Gear is a full-service manufacturer of open gearing and gearboxes. For more than 130 years we have delivered high performance, mission critical gearing and gearboxes.

We design and build custom gearboxes to meet each customer’s specific application and requirements. We build to print, reverse engineer a single gear or deliver a complete gearbox. We rebuild and upgrade gearboxes from any manufacturer, and create upgraded designs that drop into existing spaces.