Gear, Shaft & Spline Cutting

Trojon Gear QualitySince 1957 Trojon Gear has been cutting fine pitch, 3 pitch and up, custom gears, standard gears in our hob and shaper departments. 

Internal and external splines serving the needs for all types of industries..  Breakdown service / Production and Prototypes

  • Aerospace

  • Crane and hoist

  • OEM, construction, heavy equipment, mining

  • Printing, Food service

  • Medical and more

We want to provide our customers solutions before they become problems!


To see our newest brochures click on the link below:

Our three page brochure

Trifold brochure


Located in Dayton, Ohio Trojon Gear is ISO Certified, committed to your delivery schedule, parts quality, and your satisfaction.  Quick turn arounds, short run productions, prototypes, or large production runs – Trojon Gear is here for your machining need


Custom and standard gears/splines


Shafts, Sprockets, Racks, Seqments

Worms and Worm Gears and more

Services include:  Gear/Splines cutting ( internal and external ), CNC Turning, CNC Milling, Welding, Broaching

“We offer re-hobbing to improve gear quality and reduce gearbox noise.  We have complete in-house turning and machining capabilities.
Please give us a call to discuss your gearing and machining requirements.”

Projects & Portfolios:

Helping Customers with critical issues and cost saving design