TB Woods

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TB Wood’s (Altra) – Shaft Couplings, Belted Drives, Clutches, and Brakes

Founded in 1857, TB Wood’s has grown to become a global leader in the design and manufacturer of industrial couplings and belted drive solutions. Highly-engineered TB Wood’s coupling products including, Sure-Flex and Dura-Flex elastomeric couplings, Form-Flex disc couplings, G-Flex grid couplings, and Jaw couplings, represent the latest in coupling technology, featuring superior design and exceptional quality to ensure long-lasting performance.

TB Wood’s also offers a wide range of innovative, high-performance belted drive solutions including v-belt sheaves, synchronous sprockets, made-to-order sheaves, belted mechanical variable speed drives, belts, and bushings. All TB Wood’s sheaves are constructed of fine grain, high tensile cast iron, and have been carefully engineered for long life.

TB Wood’s products are utilized in many key markets including food and beverage, energy, wastewater, concrete, metals, pulp and paper and material handling on applications such as conveyor systems, rolling mills, pumps, compressors, palletizers, de-barkers, printing equipment, fans and blowers, machine tools, and mixers.

Product Groups


Shaft Couplings


Belted Drives

Belted Drives > Bushings
Belted Drives > Sheaves and Belted Drives
Belted Drives > Sure Grip Pulleys
Belted Drives > Synchronous Drive Products

Variable Speed Drives


Commercial Casting Products


Clutches and Brakes


HSV Hydrostatic Speed Variator

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