DEXTER 12-1/4" x 3-3/8" Right Hand GD FSA Duo-Servo complete hydraulic brake assembly. Forward Self Adjusting / General Duty application. Mounts to 7-hole axle brake flange. This brake is rated to a maximum capacity of 10,000 lbs. per pair.
SELF ADJUSTING FEATURE: Forward Self Adjusting (FSA) feature adjusts the brakes on both forward and reverse stops. Brake adjustment occurs when lining wear results in enough gap between the shoes and the brake drum surface. This added clearance will allow the adjuster mechanism to rotate the screw assembly at the bottom of the brake. That action expands the distance between the shoes and thus closes the gap to the drum surface.