Product Timeline

Since 1978 PT Tech has served Original Equipment Manufacturers (OEM’s) in the mining, tunnel boring, steel manufacturing, aggregate, road-working, and recycling markets. We have a long history of bringing “Innovation for Extreme Machines”. PT Tech began by developing the first TLC Torque Limiter for cutterheads used in underground mining machines. Today we provide the mining industry’s standard for protecting drive systems. Our growing line of reliable products include brakes, clutches, torque limiters and gearboxes can be found in the top-rated industrial equipment companies around the world. The PT Tech manufacturing facility is located in Sharon Center, Ohio, USA. Sales representatives and distributors are located throughout the U.S. as well as internationally. PT Tech also has satellite locations in China and the UK.

We at PT Tech have a rich history of loyalty both to the satisfaction of our customers and the well being of our employees. We have stood by our products and services for over 40 years as we continue to grow in size and number. However, at the heart of our organization our mission and values remain, unchanged. We are still dedicated to each and every one of you and every product that leaves our doors.

1978

Founded in 1978 in Wadsworth, Ohio, U.S.A

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1980

First zero maintenance friction torque limiter in the underground mining industry

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1985

Development of Tire Press Brakes

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1986

Clutches for tunnel boring machines

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1988

Enclosed wet brakes for the mining industry

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1991

First torque limiter for engine driven equipment

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1994

Introduction of Caliper Disk Brakes into the Steel Market

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1998

First gearbox with integrated clutch for diesel engines

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1999

First microprocessor controlled wet HPTO clutches for diesel engines

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2001

Dry HPTO clutches for diesel engines

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2003

Modular HPTO pump tower and Energy Bucket controls introduced

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2003

PT Tech receives ISO 9001 w/Design Certificate

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2005

Wet Seal technology for Underground Miners

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2006

Began manufacturing combination gearbox / brakes

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2008

Received Ohio Third Frontier Grant to develop Hybrid Drive technology

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2011

First motor mounted multiple disc brakes for Electric Shovels

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2013

AeroTorque Corp launched to focus on torsional control for wind turbines

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2015

Awarded NorthCoast 99 award for 5th consecutive year

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2016

First multiple disc motor mounted electric brakes for offshore oil and gas

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2017

The Timken Company acquires PT Tech, expanding their Mechanical Power Transmission product family

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