Meritor part number 53-123544-002 or 53123544002 is a genuine X30 Balanced brake drum sized 16.50 in. x 8.63 in., rated for axle capacities up to 23,000 lbs. The drum mounts outboard and is designed for disc-wheel applications. Key measurements include a bolt circle diameter of 11.25 in., pilot diameter of 8.78 in., overall depth of 11.04 in., brake surface width of 8.95 in., and ten bolt holes each at 0.93 in. diameter. Note: Meritor has replaced this part number with 53123771015. Call us to confirm the correct drum for your axle and wheel-end configuration before ordering.
Features
Brake size: 16.50 in. x 8.63 in. (diameter x shoe width)
X30 Balanced drum type for consistent braking performance
Axle capacity rating: 23,000 lbs.
Outboard drum mounting, disc-wheel compatible
10 bolt holes, 0.93 in. diameter, on an 11.25 in. bolt circle
Pilot diameter 8.78 in., overall depth 11.04 in., brake surface width 8.95 in.
Superseded by Meritor part number 53123771015
Tech Specs
- Brake Size: 16.50 in. x 8.63 in.
- Brake Diameter: 16.50 in.
- Brake Width (Shoe Width): 8.63 in.
- Brake Surface Width: 8.95 in.
- Overall Depth: 11.04 in.
- Pilot Diameter: 8.78 in.
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Number: 10
- Bolt Hole Diameter: 0.93 in.
- Drum Mounting: Outboard
- Wheel Type: Disc
- Axle Capacity: 23,000 lbs.
- Type: X30 Balanced
- Superseded By: 53123771015
- VMRS Code: 013-017-006