About US

About Hydro-Mechanical Systems

Founded in 1973 by a Team of engineers, Hydro Mechanical Systems (HMS) goes to extreme measures for its customers, whether it’s supplying hard-to-find Spicer Clark parts overnight, testing and re-testing units before shipment or rebuilding used cores, once considered unfixable. You can feel 100% confident that HMS will build a custom starting package, supply, fix and build your equipment quickly and accurately, plus ship it promptly to your desired location.
We are certified by Dana and ISO certified for military contracts and turbine starters.

Our 20,000 sq.ft. facility is located at 1030 Delsea Drive, Bldg. 8, Westville, New Jersey 08093.


HMS delivers the highest quality services in the industry.

Services include:

  • Genuine OEM Dana-Spicer parts distributer
  • Authorized Dana-Spicer Service center
  • Sales of new and reman transmissions/axles.
  • Repair/refurbish of customer units.
  • Gas turbines
  • Repair/refurbish Westinghouse starter packages for power plants which includes repair or replacement of electric motors, torque converter, gear box, clutch and cooler assemblies.
  • Also, can provide upgraded cooler for better heat distribution.
  • Onsight alignments of starter package components.

Industries Served

HMS has built a strong reputation and proven track record providing high quality services for the following industries:

  • Off highway vehicles
  • Mining
  • Construction
  • Material Handling
  • Forestry
  • Railroad
  • Power Plants


HMS regularly invests into the latest in equipment and machinery to better serve our customers.

  • Wolverine test bench
  • Proseco wash tank
  • Milling machine
  • Lathe
  • Welders
  • Certified Torq wrenches
  • Oil filtration system
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