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We manufacture helical gears, spur gears, internal gears, straight and spiral bevel gears, worm gears, as well as build-to-print and custom gearboxes in parallel shaft, right angle, and planetary configurations. Over the years we have also used our manufacturing and engineering expertise to manufacture complementary precision and power transmission parts. We manufacture custom and standard Gear couplings, jaw couplings, and grid couplings. We are proud to be a full-service manufacturer of gears and gearboxes and we would gladly welcome the opportunity to be your supplier of gears, gearboxes and precision parts.

Spur and Helical Gears

Li Gear manufactures high quality precision spur and helical gears using the state of the art machines up to 125 inches. For over 20 years we have produced all sizes of spur and helical gears for the heavy industries we serve. See Capabilities for more details.

Straight and Spiral Bevel Gears

We manufacture high quality straight and spiral bevel gear sets.  We cut and grind to a very high quality bevel gears using Gleason models and skive bevel gears with Klingelnberg machines. See Capabilities for more details.

Build-to-Print and Custom Gearboxes

Li Gear specializes in the design and manufacturing of build-to-print and custom gearboxes in parallel shaft, right angle, and planetary configurations. We have over three decades of experience with gears, gearbox design, manufacturing, and assembly. We do up to a 500:1 gear reduction ratio, and up to 1 million ft-lbs torque.
We check tooth contact, gear backlash, bearing endplay, and do a run test for noise, leakage, vibration, and temperature. We also do no load and full load running tests per customer specifications. We build gearboxes for all the heavy industries we serve. See Quality for details on our inspection and assembly.

Worm Gears

We manufacture single and double enveloping worm gear sets for the heavy industries we serve. See Capabilities for more details.


Precision Parts

We manufacture other precision parts to complement our gear and gearbox offerings. Our customers get the same high quality and expertise they expect to get ​from our gears and gearboxes.

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