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Who We Are, What We Do

At Timken Aerospace Drive Systems (ADS) our goal is simple: to be the recognized leader in the aerospace drive industry through innovative program development, reliable manufacturing and proven repair services. We dedicate ourselves to fulfilling that mission day in, day out.

Originally founded in 1946 as the Purdy Corporation, customers have long counted on us for superior products at competitive prices. Now with our acquisition by the Timken Company, we have never been better positioned to combine cutting-edge technology and smart capital investments to create a leaner and more efficient enterprise. All of this is designed to bring increased value to our customers over an extensive range of critical aerospace applications.

Spiral Bevel Gear Tooth Check
S-76 Touring Rocky Mountains
Component Dimensional Check
Heavy Lift Rescue Helicopter
Housing On Inspection Table
Main Rotor Transmission
Precision Rotor Head Components
AH-64 Apache Taking Off

Solutions By
Trusted Experts

You don’t have to take our word for it. We are proud to have the best aerospace companies in the world as our customers. ADS products take to the skies every day in commercial and military aircraft around the globe.

We are experts in meeting the most demanding aerospace tolerances, and operate under rigorous quality controls and manufacturing procedures so that we meet or exceed the most exacting specifications. Day in, day out.


How We Measure Success

  • By keeping our promises to customers and each other by striving to achieve 100% TSB:100% on-Time, 100% on-Spec, 100% on-Budget;
  • By treating people with respect, fairness and integrity;
  • By incorporating a “Run to the problem” mentality;
  • By continuously improving through innovation of lean principles;
  • By being one team focused on being Energized, Enabled and Engaged.
100% TSB
100% on-Time
100% on-Spec
100% on-Budget


Aerospace Drive Systems
586 Hilliard Street
Manchester, CT 06042
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