Serving Industry Since 1932
Custom Industrial
Gearboxes &
Transmissions
Turner Uni-Drive engineers, manufactures, and repairs industrial transmissions and speed reducers — with thousands of ratios and torque capacities to meet your exact application.
Since 1932
Custom Gearbox Manufacturers
Industrial Transmissions & Gearboxes
Turner Uni-Drive of Kansas City, Missouri engineers, manufactures and repairs industrial transmissions, speed-reducers and gearboxes. Since 1932, we have been a leading custom gearbox manufacturer providing quality multi-speed industrial gearboxes and transmissions with thousands of ratios and torque capacities.
Along with our full catalog of standard multi-speed gearboxes, we design and manufacture gearboxes for customer-specific applications. At Turner Uni-Drive, we like to think of ourselves as a service company that happens to make industrial transmissions — known for long-lasting quality, problem-solving innovation, and rugged reliability.
Featured Products

Model 11M 4-93 RF
- Four ratios: 9.406:1, 6.880:1, 2.883:1 and 2.111:1
- 10 HP @ 1750 RPM input

C7UM3-40 LSO
- Three Speed: 3.947:1, 2.972:1 and 2.012:1
- C-Face input, custom mounting plate

E33-67 RF
- Three ratios: 2.200:1, 1.667:1 and 1.000:1
- Manual shifting, 10 HP @ 1800 RPM input

55M4RA-8 RF
- Four ratios: 8:1, 4:1, 2:1 and 1:1
- Right angle input, ground helical gearing
- 3 HP @ 12 RPM

X60M4-23 RF
- Four ratios: 2.250:1, 1.715:1, 1.312:1 and 1.000:1
- Ground helical gearing
- 125 HP @ 1500 RPM input

X802E
- Fixed ratio: 1.400:1 between upper and lower output shafts
- Two ratios: 14.117:1 and 7.058:1
- Proximity sensors, pressure lubrication, ground helical gearing
Need a Custom Gearbox Solution?
Turner Uni-Drive has been engineering custom industrial gearboxes and transmissions since 1932. Tell us your application — we'll deliver the power.