TRAILER PARTS PRO EB01-155 Trailer Brake - 12.25 Inch X 3.38 Inch, Right Hand Electric, 10,000 lbs

Quality/Rockwell 12-1/4" x 3-3/8" 9,000lb-10,000lb General Duty(5 bolt flange) Right hand electric brake. Complete assembly. Self-adjusting design keeps shoes properly aligned for longer-lasting brake that requires less maintenance. Mounts with 5 studs that are pressed in to place. Uses a 6-46 lock nut (Sold separately) to mount to the brake flange. These components have passed the CSA Standard CAN3-D313-M85 For Trailer Running Gear, a stringent standard mandated by the Government to assure brake effectiveness and structural integrity of the components.
ISO/TS 16949:2002 certified

• Fits Quality/Rockwell 9,000lb-10,000lb General Duty axles(with cast backing and 5 bolt flange)
• For use with a 12 1/4" inside diameter and 3 3/8" depth drum
• Shoes are 3-3/8" wide
• Self-adjusting
• Right hand(driver's side)
• Complete assembly ready to install

Please refer to the diagram Image for these measurements

To determine the size of the brake, you need 2 measurements. The first is the diameter of the brake(D). The second is the width of the shoe(W). It is good to take note of how many mounting bolts the brake has.