Meritor part number 85-120586-002 or 85120586002 is a cast balanced brake drum designed for inboard-mount spoke wheel applications. The drum measures 16.50 in. in brake diameter with a 7.00 in. brake width and a 7.50 in. brake surface width. Overall depth is 8.75 in. and pilot diameter is 9.50 in. The 5- or 6-bolt mounting pattern uses a 0.66 in. bolt hole diameter on an 11.25 in. bolt circle diameter. Rated for axle capacities up to 23,000 lbs., this drum fits heavy-duty truck axle configurations where those dimensions match. Call Pro Gear and Transmission to confirm fitment for your specific axle and wheel end before ordering.
Features
Brake diameter: 16.50 in.; brake width: 7.00 in.
Brake surface width: 7.50 in.; overall depth: 8.75 in.
Pilot diameter: 9.50 in.; bolt circle diameter: 11.25 in.
Bolt hole diameter: 0.66 in.; 5- or 6-bolt mounting pattern
Inboard drum mounting; spoke wheel type
Axle capacity rating: 23,000 lbs.
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.50 in.
- Overall Depth: 8.75 in.
- Pilot Diameter: 9.50 in.
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 0.66 in.
- Bolt Hole Count: 5 or 6
- Drum Mounting: Inboard
- Wheel Type: Spoke
- Axle Capacity: 23,000 lbs.
- Drum Type: Cast Balanced
- VMRS Code: 013-017-006
