caliper disc brake / release spring / pneumatic
A300-T200 AS The Hilliard Corporation



  • Type:

    caliper disc

  • Operation:

    release spring, pneumatic

  • Braking force:

    4,226 N


The Hilliard A300 is an arm style caliper brake designed to accept a large selection of Hilliard thrusters. These thrusters include spring applied hydraulic released, spring applied pneumatic released, hydraulic applied spring released, and pneumatic applied spring released. The A300 requires a minimum disc diameter of 12" and is offered in 4 sizes to accommodate a ½", 1", 1-3/16", and 1-1/2" thick disc. The design of the caliper allows the user to quickly convert between right and left-handed designs eliminating the need for multiple part numbers.

The AS thruster is a direct applied thruster that is pneumatically applied spring released. The Pneumatic applied thrusters are offered in multiple sizes to meet the needs of our customers. The T200 thruster produces a maximum braking force of 950 pounds at the maximum operating pressure of 80 psi.