Overton Chicago Gear
Overton Chicago Gear is a full-service manufacturer of open gearing and gearboxes.
06/03/2026
𝗕𝘂𝗶𝗹𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗵𝗲𝗮𝘃𝘆-𝗱𝘂𝘁𝘆 𝘄𝗼𝗿𝗸 𝗺𝗼𝘀𝘁 𝗽𝗲𝗼𝗽𝗹𝗲 𝗻𝗲𝘃𝗲𝗿 𝘀𝗲𝗲, 𝗯𝘂𝘁 𝗲𝗻𝘁𝗶𝗿𝗲 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗱𝗲𝗽𝗲𝗻𝗱 𝗼𝗻. ⚙️🏭
𝗢𝘃𝗲𝗿𝘁𝗼𝗻 𝗖𝗵𝗶𝗰𝗮𝗴𝗼 𝗚𝗲𝗮𝗿 designs, manufactures, repairs, and rebuilds precision gearing and gearbox systems for demanding industrial applications. From custom engineering to large-scale gearbox solutions, OCG brings more than a century of experience to the machines that keep operations moving.
𝗪𝗵𝗲𝗻 𝗿𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗺𝗮𝘁𝘁𝗲𝗿𝘀, 𝘁𝗵𝗲 𝗴𝗲𝗮𝗿𝗯𝗼𝘅 𝗶𝘀 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝗮 𝗰𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁.
𝗜𝘁 𝗶𝘀 𝘁𝗵𝗲 𝗯𝗮𝗰𝗸𝗯𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗼𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻.
𝗤: 𝗪𝗵𝗮𝘁 𝗺𝗮𝗸𝗲𝘀 𝗢𝗖𝗚 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁?
𝗔: Deep engineering experience, large-scale manufacturing capabilities, and the ability to support custom gearboxes, repairs, rebuilds, and reverse-engineered solutions under one roof.
𝗟𝗲𝗮𝗿𝗻 𝗺𝗼𝗿𝗲: https://oc-gear.com/
05/26/2026
⚙️ 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗴𝗲𝗮𝗿𝘀 𝗮𝗻𝗱 𝗴𝗲𝗮𝗿𝗯𝗼𝘅𝗲𝘀 𝘁𝗵𝗮𝘁 𝗸𝗲𝗲𝗽 𝗰𝗿𝗶𝘁𝗶𝗰𝗮𝗹 𝗲𝗾𝘂𝗶𝗽𝗺𝗲𝗻𝘁 𝗺𝗼𝘃𝗶𝗻𝗴.
Overton Chicago Gear provides specialty engineering services for customers who need a new gearbox design, a customer-specified gear train, inspection support, or failure analysis.
With 𝟭𝟯𝟬 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, OCG combines proven gear design knowledge with modern technology, metallurgy, and best practices to help customers improve reliability, extend service life, and keep equipment operating for decades.
From clean-sheet designs to legacy drive solutions, OCG works closely with machine builders, OEMs, and industrial customers to create cost-effective gearing solutions built around real-world application needs.
✅ 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻-𝘀𝗽𝗲𝗰𝗶𝗳𝗶𝗰 𝗲𝗻𝗰𝗹𝗼𝘀𝗲𝗱 𝗱𝗿𝗶𝘃𝗲𝘀
✅ 𝗚𝗲𝗮𝗿 𝘁𝗿𝗮𝗶𝗻 𝗮𝗻𝗱 𝗴𝗲𝗮𝗿𝗯𝗼𝘅 𝗱𝗲𝘀𝗶𝗴𝗻
✅ 𝗜𝗻𝘀𝗽𝗲𝗰𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗳𝗮𝗶𝗹𝘂𝗿𝗲 𝗮𝗻𝗮𝗹𝘆𝘀𝗶𝘀
✅ 𝗟𝗲𝗴𝗮𝗰𝘆 𝗴𝗲𝗮𝗿 𝗮𝗻𝗱 𝗱𝗿𝗶𝘃𝗲 𝗰𝗼𝗻𝘁𝗶𝗻𝘂𝗶𝘁𝘆
✅ 𝗗𝗲𝘀𝗶𝗴𝗻 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁𝘀 𝗳𝗼𝗿 𝗹𝗼𝗻𝗴𝗲𝗿 𝗹𝗶𝗳𝗲 𝗮𝗻𝗱 𝗯𝗲𝘁𝘁𝗲𝗿 𝘂𝗽𝘁𝗶𝗺𝗲
𝗤: 𝗪𝗵𝗮𝘁 𝗶𝗳 𝘁𝗵𝗲 𝗼𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗴𝗲𝗮𝗿 𝗼𝗿 𝗱𝗿𝗶𝘃𝗲 𝗶𝘀 𝗻𝗼 𝗹𝗼𝗻𝗴𝗲𝗿 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲?
𝗔: OCG can help evaluate the existing unit and provide a duplicate or improved design that fits the application and supports long-term performance.
𝗟𝗲𝗮𝗿𝗻 𝗺𝗼𝗿𝗲: https://oc-gear.com/engineering-services/
05/12/2026
𝗙𝗿𝗮𝗰 𝗽𝘂𝗺𝗽 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝗼𝗽𝗲𝗿𝗮𝘁𝗲 𝘂𝗻𝗱𝗲𝗿 𝗽𝘂𝗻𝗶𝘀𝗵𝗶𝗻𝗴 𝗰𝗼𝗻𝗱𝗶𝘁𝗶𝗼𝗻𝘀, 𝗮𝗻𝗱 𝗴𝗲𝗮𝗿𝗶𝗻𝗴 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗰𝗮𝗻 𝗱𝗶𝗿𝗲𝗰𝘁𝗹𝘆 𝗶𝗺𝗽𝗮𝗰𝘁 𝗿𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆, 𝘂𝗽𝘁𝗶𝗺𝗲, 𝗮𝗻𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲 𝗹𝗶𝗳𝗲.
OCG offers in-house design of pump gearing for well stimulation fracturing operations, including advanced profile modifications designed to accommodate deflection and improve pump system life.
𝗤: 𝗪𝗵𝗮𝘁 𝗺𝗮𝗸𝗲𝘀 𝗢𝗖𝗚’𝘀 𝗳𝗿𝗮𝗰 𝗽𝘂𝗺𝗽 𝗴𝗲𝗮𝗿𝗶𝗻𝗴 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁?
𝗔: OCG was one of the first to recommend profile changes on frac pump gearing. Our newer fracturing pump drive designs focus on better tooth contact, minimal pitch error, and greater long-term reliability.
With equipment capable of hobbing, gashing, and 5-axis milling without releasing the workpiece from the fixture, OCG produces finished gears with greater accuracy and durability.
For petroleum fracturing operations, better gearing is not just a component upgrade. It is an uptime strategy.
📩 Contact OCG to discuss frac pump gearing solutions.
https://oc-gear.com/petroleum-fracturing-industry-solutions/
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Addison, IL
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