Meritor part number 03-122104-002 or 03122104002 is a cast unbalanced brake drum sized at 15.00 in. diameter by 4.00 in. width, designed for inboard mounting on spoke-wheel axle ends rated at 12,000 lbs. capacity. The drum carries a Type R designation and features a 4.54 in. brake surface width and an overall depth of 5.22 in. Six bolt holes at 0.78 in. diameter are arranged on an 11.25 in. bolt circle. The pilot diameter measures 9.25 in. This is a genuine Meritor part available from Pro Gear and Transmission. Call us to confirm proper fit for your specific axle and wheel-end configuration.
Features
Brake drum size: 15.00 in. diameter x 4.00 in. width
Brake surface width: 4.54 in.; overall depth: 5.22 in.
Drum type: R, cast unbalanced construction
Mounting: inboard; wheel type: spoke
6 bolt holes at 0.78 in. diameter on an 11.25 in. bolt circle
Pilot diameter: 9.25 in.; axle capacity: 12,000 lbs.
Tech Specs
- Brake Diameter: 15.00 in.
- Brake Width: 4.00 in.
- Brake Surface Width: 4.54 in.
- Overall Depth: 5.22 in.
- Pilot Diameter: 9.25 in.
- Bolt Hole Number: 6
- Bolt Hole Diameter: 0.78 in.
- Bolt Circle Diameter: 11.25 in.
- Wheel Type: Spoke
- Drum Mounting: Inboard
- Drum Type: R
- Drum Construction: Cast Unbalanced
- Axle Capacity: 12,000 lbs.
- VMRS Code: 013-017-006
