We are a leading global designer and manufacturer of quality power transmission and motion control products.

Altra Motion

Altra clutches and brakes, couplings, gearing and PT component product lines are marketed under 23 well known manufacturing brands that have each been in existence for over 50 years. Each of these businesses is committed to the guiding principles of operational excellence, continuous improvement and customer satisfaction. Highly-engineered Altra solutions are sold in over 70 countries and utilized in a variety of major industrial markets, including food processing, material handling, packaging machinery, mining, energy, automotive, primary metals, turf and garden and many others.

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Clutch Couplings

Limit Switches

Spring-Applied Brakes

Stage and Theater

Altra Couplings, Clutches & Brakes Division


BF Series | Geared Motors

BK Series | Geared Motors

BSFI Series Brakes

Clutches, U-Joints, Sheaves and Belts


Custom Reducers & Gear Couplings

Disc & Hydraulic Brakes

Electrically Released Brakes

FB Series

Flexible Couplings

Fluid & Gear Couplings

FSO Series

Gear Drives

Gear Motors & Synchronous Belt Drives

Hydraulic Power Units

Industrial Disc Brakes

LI-SSB Brakes & Custom Reducers

Recoiler Gearbox & Caliper Brake


Speed Reducers & Couplings

Torque Limiters

V-Belt Drives - Sheaves, Belts, Pulleys