Meritor part number 03-120586-002 or 03120586002 is a Type R cast unbalanced brake drum sized 16.50 in. diameter by 7.00 in. width, with a 7.50 in. brake surface width and an overall depth of 8.75 in. The drum mounts inboard on a spoke-type wheel and carries a pilot diameter of 9.50 in. Bolt pattern is a 5- or 6-bolt arrangement on an 11.25 in. bolt circle, with bolt hole diameters of 0.78 in. or 0.66 in. depending on configuration. Rated for axle capacities up to 23,000 lbs. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific axle and wheel configuration.
Features
Type R cast unbalanced drum construction
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.
5- or 6-bolt pattern on 11.25 in. bolt circle; bolt hole diameters 0.78 in. or 0.66 in.
Inboard mounting on spoke-type wheel
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 Hole Number: 5 or 6
- Bolt Hole Diameter: 0.78 in. or 0.66 in.
- Bolt Circle Diameter: 11.25 in.
- Drum Type: R
- Drum Mounting: Inboard
- Wheel Type: Spoke
- Axle Capacity: 23,000 lbs.
- VMRS Code: 013-017-006
