Planetary Gears
Ring Gears
Custom Gears
Precision Gear Manufacturing Services
AGMA Quality Certification certified

AGMA Quality Certification

ISO 9001 Compliant certified

ISO 9001 Compliant

Planetary Gearboxes

Planetary gearboxes, also known as epicyclic gear systems, feature ring gears, sun gears, and planet gears working in precise harmony. Our precision-manufactured planetary components support industrial machinery, mining equipment, transportation systems, and agricultural applications. With over 50 years of manufacturing expertise, we deliver AGMA 10-13 quality ratings and custom solutions for demanding transmission requirements.

Our Range of Products
Planetary Gears

Planetary Gears

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

Ring Gears

  • AGMA 10-13 quality ratings
  • 10" max pitch diameter capacity
  • Turn-key manufacturing services
Custom Gears

Custom Gears

  • 50 years manufacturing experience
  • Reverse engineering capability
  • In-house grinding to 400mm
Precision Gear Manufacturing Services

Precision Gear Manufacturing Services

  • Precision grinding to 400mm
  • Custom lead & profile mods
  • AGMA 13 quality assurance

Frequently Asked Questions

What is a planetary gearbox?

A planetary gearbox is an epicyclic gear system featuring a central sun gear, surrounding planet gears, and an outer ring gear working together to transmit torque efficiently.

What are the advantages of a planetary gearbox?

Where would you use a planetary gearbox?

What quality standards do your planetary gears meet?

Can you manufacture custom planetary gear configurations?

What is the maximum size planetary gear you can produce?

Do you offer reverse engineering for obsolete planetary gears?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Mining

Mining

Heavy-duty planetary gears for conveyors, crushers, and drilling equipment requiring robust torque transmission.

Industrial Manufacturing

Industrial Manufacturing

Precision planetary systems for automated machinery, robotics, and production equipment demanding reliability.

Transportation

Transportation

Epicyclic gears for vehicle transmissions and drive systems requiring compact, efficient power transfer solutions.

Agriculture

Agriculture

Durable planetary gear components for tractors, harvesters, and farm equipment operating in harsh conditions.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Planetary Gears | What is a Planetary Gear? Complete Engineering Guide

What is a Planetary Gear? Complete Engineering Guide

Planetary gears, also known as epicyclic or sun-and-planet gears, are precision-engineered gear systems used in industrial transmission applications. Carnes-Miller Gear manufactures planetary gears including ring gears up to 10 inches pitch diameter, sun gears, and planet gears with face widths up to 5 inches, delivering AGMA 10-13 quality ratings for demanding mechanical applications.
Ring Gears | Planetary Spur Gears

Planetary Spur Gears

Planetary spur gears are essential components in epicyclic gear systems, consisting of ring gears, sun gears, and planet gears that work together to provide efficient power transmission. Carnes-Miller Gear manufactures precision planetary gear sets with capacities up to 10-inch pitch diameter and 5-inch face width, serving industrial, mining, transportation, construction, agricultural, and rail applications. With 50 years of expertise, our planetary gears meet AGMA 10-13 quality standards through advanced hobbing, shaping, and grinding processes.
Planetary Gears | Custom Planetary Gears for Precise Specifications

Custom Planetary Gears for Precise Specifications

Custom planetary gears engineered to precise specifications for demanding industrial applications. Carnes-Miller Gear manufactures ring gears, sun gears, and planet gears up to 10-inch pitch diameter with face widths to 5 inches. Our planetary gear systems achieve AGMA 10-13 quality ratings through advanced hobbing, shaping, and grinding processes, delivering reliable performance for epicyclic transmissions across industrial, mining, transportation, and construction sectors.

Why Industrial Manufacturers Choose Carnes-Miller Gear

50 Years of Gear Expertise

Since 1973, we've delivered precision planetary gear solutions with proven reliability across aerospace, defense, mining, and industrial sectors with comprehensive in-house manufacturing capabilities.

AGMA 10-13 Quality Standards

Superior AGMA ratings on all shaped, hobbed, and ground gears ensure exceptional performance, smooth operation, and extended service life for demanding transmission applications.

Turn-Key Manufacturing Control

Complete in-house capabilities for gear blanking, machining, grinding, and finishing deliver precise control over production, cost-effectiveness, and guaranteed on-time delivery.

Get Expert Guidance on Your Planetary Gearbox Requirements

Connect with our gear specialists for technical consultation, custom solutions, and accurate quotes. Expect a response within 24 hours from our experienced engineering team.

Contact Us Today

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