The Meritor 03-123398-002 or 03123398002 is a cast unbalanced brake drum sized 16.50 in. diameter by 7.00 in. width, designed for disc wheel applications. It carries a Type R drum designation and mounts on a 10-bolt pattern with a bolt circle diameter of 11.25 in. and individual bolt hole diameter of 0.84 in. The pilot diameter measures 8.44 in., overall depth is 9.50 in., and brake surface width is 7.56 in. Rated for axle capacities up to 25,000 lbs., this drum is suited to heavy-duty commercial truck axle applications. Call us to confirm proper fitment for your axle configuration before ordering.
Features
16.50 in. brake diameter x 7.00 in. brake width
Brake surface width: 7.56 in.
Type R cast unbalanced drum construction
10-bolt disc wheel mounting pattern
Bolt circle diameter: 11.25 in.; bolt hole diameter: 0.84 in.
Pilot diameter: 8.44 in.; overall depth: 9.50 in.; axle capacity rating: 25,000 lbs.
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.56 in.
- Overall Depth: 9.50 in.
- Drum Type: R
- Type: Cast Unbalanced
- Wheel Type: Disc
- Bolt Hole Number: 10
- Bolt Hole Diameter: 0.84 in.
- Bolt Circle Diameter: 11.25 in.
- Pilot Diameter: 8.44 in.
- Axle Capacity: 25,000 lbs.
- VMRS Code: 013-017-006
