Meritor part number 03-122126-002 or 03122126002 is a cast unbalanced brake drum sized 16.50 in. diameter by 7.00 in. width, designed for inboard drum mounting on spoke/disc wheel applications. The drum features a 10-bolt pattern on an 11.25 in. bolt circle with a 0.84 in. bolt hole diameter and a 9.50 in. pilot diameter. Overall depth is 8.75 in. and the brake surface width measures 7.50 in. Rated for axle capacities up to 23,000 lbs., this Type R drum suits heavy-duty truck rear axle service. Call us to confirm proper fit for your specific axle and wheel-end configuration before ordering.
Features
Brake drum size: 16.50 in. diameter x 7.00 in. width
Brake surface width: 7.50 in.
Bolt pattern: 10-bolt, 11.25 in. bolt circle, 0.84 in. bolt hole diameter
Pilot diameter: 9.50 in.
Overall depth: 8.75 in.
Drum mounting: Inboard; compatible with spoke/disc wheel type; Type R drum; 23,000-lb. axle capacity rating
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.50 in.
- Overall Depth: 8.75 in.
- Bolt Hole Number: 10
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 0.84 in.
- Pilot Diameter: 9.50 in.
- Drum Mounting: Inboard
- Drum Type: R
- Wheel Type: Spoke/Disc
- Axle Capacity: 23,000 lbs.
- Type: Cast Unbalanced