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Customer Service
1-888-829-6637 (Press #5)

Application Support
1-888-829-6637 (Press #7)

Form-Flex & Torsiflex Couplings

Customer Service

HSV Hydrostatic Speed Variator | TB Wood's

The Hydrostatic Speed Variator is an integrated hydrostatic transmission consisting of a variable displacement radial piston pump driving a fixed displacement radial piston motor. The pump-motor system is completely self-contained within one case providing light weight and ease of maintenance and serviceability.

Product Features

  • Adjustable acceleration and deceleration ramps available
  • Speed control in both directions of output rotation
  • Systems available for use in process control
  • High starting torque, 250%
  • Wide speed range, up to 42:1
  • Integral or adjustable torque limiting
  • Applicable in dirty, washdown and explosion proof environments
  • Dynamic braking
  • Maintenance and repairs are easily done
  • Speed changes can be made with power shut off
  • Large variety of controls to satisfy any need
Click on image below to download pdf. To order hard copies of literature click here.

Product Catalog

  • Hydrostatic Speed Variator

Service Manual

  • HSV Hydrostatic Speed Variator Service Manual
  • HSV-A Hydrostatic Speed Variator Service Manual
  • Hydrostatic Speed Variator K2, K4, K5 Units Service & Install

Related Literature

  • TB Wood's Product Line Card

Product News

Contact Info

440 North Fifth Avenue
Chambersburg, PA 17201
Phone: 1-888-829-6637

Elastomeric Couplings & Belted Drives
Customer Service: 1-888-829-6637 (Press #5)
Application Assistance: 1-888-829-6637 (Press #7)

Form-Flex & Torsiflex Disc Couplings
San Marcos, TX
Phone: 1-888-449-9439