caliper disc brake / spring / with pneumatic release
A300-T300 SA The Hilliard Corporation



  • Type:

    caliper disc

  • Operation:

    spring, with pneumatic release

  • Braking force:

    14,145 N


The 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 SA thruster is a failsafe thruster that is spring applied pneumatically released. The spring applied thrusters are offered in multiple sizes to meet the needs of our customers. The T300 SA thruster produces a maximum braking force of 3180 pounds at the maximum operating pressure of 75 psi with a maximum pressure of 95 psi.