The Meritor 03-123788-002 (also listed as 03123788002) is an Opti-Cast unbalanced cast brake drum designed for disc-wheel, outboard-mount applications. The drum measures 16.50 in. in brake diameter with a 7.00 in. brake width and a 7.46 in. brake surface width. The 10-bolt flange uses a 11.25 in. bolt circle diameter, 1.08 in. bolt hole diameter, and an 8.78 in. pilot diameter. Overall drum depth is 10.54 in. Drum type is AD. Rated for axle capacities up to 23,000 lbs. Call us to confirm proper fit for your axle and wheel-end configuration before ordering.
Features
Opti-Cast unbalanced drum, type AD construction
16.50 in. brake diameter x 7.00 in. brake width
7.46 in. brake surface width
10-bolt flange, 11.25 in. bolt circle diameter, 1.08 in. bolt hole diameter
8.78 in. pilot diameter, 10.54 in. overall depth
Outboard mounting, disc wheel type, rated to 23,000 lb. axle capacity
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.46 in.
- Drum Type: AD
- Drum Mounting: Outboard
- Wheel Type: Disc
- Bolt Hole Number: 10
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 1.08 in.
- Pilot Diameter: 8.78 in.
- Overall Depth: 10.54 in.
- Axle Capacity: 23,000 lbs.
- VMRS Code: 013-017-006
