Trailer Parts Pro HB01-070 - Redline 7in 2-2.5K LH Hyd Uni Servo Drum Brake

7" x 1-3/4" Left hand hydraulic complete brake assembly 2500lb capacity per pair. Mounts with 4 bolts(included). Nuts-6-17 and washers-5-8 sold separately.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 standard 2,000-2,500lb axles with a 4 bolt pattern on the mounting flange.
• Left Hand(driver's side)
• Complete assembly ready to bolt on and wire
• For use with a 7" diameter 1 3/4"depth drum
• The shoes are 1-3/4" wide

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.