
Planetary Gears
- Ring gears to 10" pitch diameter
- Sun & planet gear compatibility
- Face width capacity to 5 inches









Precision planetary gear systems engineered for demanding industrial applications. Our epicyclic gear assemblies feature ring gears up to 10-inch pitch diameter, sun gears, and planet gears manufactured to exact specifications. With AGMA 10-13 quality ratings and 50 years of manufacturing expertise, we deliver complete turn-key solutions from blank machining to finished assemblies for aerospace, defense, mining, and industrial sectors.
Talk to our experts for custom solutions and tailored guidance.
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Planetary gear systems provide compact, high-torque transmission for industrial machinery, robotics, aerospace actuators, mining equipment, and precision motion control applications requiring efficient power transmission.
Talk to our experts for custom solutions and tailored guidance.

Precision planetary gear systems for aircraft actuators, UAVs, satellite mechanisms, and defense equipment requiring AGMA 13 quality and mission-critical reliability.

Heavy-duty epicyclic gear assemblies for industrial machinery, automated production lines, material handling, and process equipment requiring high torque transmission.

Robust planetary gear systems for mining equipment, excavators, bulldozers, and construction machinery operating in extreme environments with demanding load requirements.

Precision gear systems for rail propulsion, locomotive drives, transit systems, and transportation equipment requiring reliable power transmission and minimal maintenance.
Talk to our experts for custom solutions and tailored guidance.
Five decades of gear manufacturing expertise since 1973, delivering AGMA 10-13 quality planetary gear systems with proven reliability across aerospace, defense, and industrial sectors.
Full-service 18,000 sq ft facility with integrated gear blanking, hobbing, shaping, grinding, and broaching eliminates vendor dependencies, ensuring precise control over quality, cost, and delivery.
Reverse engineering capabilities and custom modifications for lead, profile, and tip relief. We salvage heat-treated gears and manufacture replacements for obsolete equipment with tailored solutions.
Connect with our gear engineering experts for technical consultation and custom quotes. Expect a detailed response within 24 hours with specifications and delivery timelines.
For immediate assistance, feel free to give us a direct call at +1 704-888-4448 You can also send us a quick email at dan@cmgear.us
For immediate assistance, feel free to give us a direct call at +1 704-888-4448 You can also send us a quick email at dan@cmgear.us