Air Over Hydraulic Trailer Brakes

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Air over hydraulic trailer brakes.

Availability qty in stock. Electric over hydraulic brake actuator activates your trailer s hydraulic brakes when you apply the brakes in your tow vehicle brake controller sold separately is required to send. As the name suggests this type of braking system is a combination of parts of an air brake system and a hydraulic brake system. Wagner a840 air over hydraulic master cylinder assembly with air chamber 900 a840.

To meet the above regulation tractor manufacturers use a pressure sensitive trailer dash control valve which can be manually operated by the driver and automatically sets the trailer emergency brakes when the tractor s air system falls between 20 psi and 45 psi. What is an air over hydraulic brake system. The th 1002 air hydraulic trailer kits are designed to meet the fluid displacement and pressure requirements of dexter 8 12k. Best brakes air over hydraulic selection available.

A typical air over hydraulic a h anti lock brake system abs consists of wheel speed sensors an abs relay valve an integral electronic control unit ecu and an a h booster. Kits are furnished complete with control valves air tank air hydraulic actuator air hose and hydraulic brake line kit. Not yet rated write the first review. It uses both air and hydraulic compression to operate the brakes.

As with the air brake a hydraulic drum brake assembly consists of a cast iron drum that is bolted to and rotates with the vehicle wheel and a backing plate that is attached to the axle. The ecu monitors wheel speeds through the use of two wheel speed sensors mounted on the hubs of the trailer axle.