The Meritor 03-122963-002 (also listed as 03122963002) is a cast unbalanced brake drum sized 12.25 in. diameter by 7.50 in. width, designed for spoke-wheel axle ends with an inboard drum mounting configuration. The pilot diameter measures 8.50 in. and the bolt circle is 10.00 in. with six bolt holes at 0.66 in. diameter each. Brake surface width is 8.00 in. and overall drum depth is 8.81 in. This Type P drum is rated for axle capacities up to 16,000 lbs. Sold by Pro Gear and Transmission as a genuine Meritor part. Call us to confirm proper fit for your axle and brake configuration before ordering.
Features
Brake size: 12.25 in. diameter x 7.50 in. width
Brake surface width: 8.00 in.; overall depth: 8.81 in.
Pilot diameter: 8.50 in.; bolt circle: 10.00 in.
6 bolt holes at 0.66 in. diameter each
Inboard drum mounting; spoke wheel type
Type P cast unbalanced drum; axle capacity rated to 16,000 lbs.
Tech Specs
- Bolt Hole Number: 6
- Bolt Hole Diameter: 0.66 in.
- Bolt Circle Diameter: 10.00 in.
- Brake Size: 12.25 in. x 7.50 in.
- Brake Diameter: 12.25 in.
- Brake Width: 7.50 in.
- Brake Surface Width: 8.00 in.
- Overall Depth: 8.81 in.
- Pilot Diameter: 8.50 in.
- Drum Type: P
- Type: Cast Unbalanced
- Drum Mounting: Inboard
- Wheel Type: Spoke
- Axle Capacity: 16,000 lbs.
- VMRS Code: 013-017-006
