UFP Model XR84 Actuator

The XR-84 by UFP, replacement inner member slide for tandem axle hydraulic disc brakes, fits into existing outer member housings and includes an electrical reverse lock-out solenoid, that allows you to back-up without your trailer brakes engaging. 

Rated Capacity: 8400 lb

Ball Size: 2 in

Brake Lock-Out: Yes, there is an electrical reverse lock-out solenoid installed.

Breakaway Cable: Yes, Included.