Meritor part number 85-123399-002 or 85123399002 is a cast balanced brake drum designed for outboard disc-wheel mounting. The drum measures 16.50 in. in diameter with a 6.00 in. brake width and a 6.69 in. brake surface width. The 10-bolt pattern sits on an 11.25 in. bolt circle diameter, with 1.28 in. bolt holes and a pilot diameter of 8.78 in. Overall drum depth is 9.81 in. Rated for axle capacity up to 20,000 lbs., this drum carries VMRS code 013-017-006. Call us to confirm fitment for your specific axle and wheel configuration before ordering.
Features
Brake diameter: 16.50 in.; brake width: 6.00 in.; brake surface width: 6.69 in.
Cast balanced drum construction with outboard disc-wheel mounting
10-bolt pattern on an 11.25 in. bolt circle diameter; bolt hole diameter: 1.28 in.
Pilot diameter: 8.78 in.; overall depth: 9.81 in.
Axle capacity rating: 20,000 lbs.
VMRS code: 013-017-006
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 6.00 in.
- Brake Surface Width: 6.69 in.
- Type: Cast Balanced
- Drum Mounting: Outboard
- Wheel Type: Disc
- Bolt Hole Number: 10
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 1.28 in.
- Pilot Diameter: 8.78 in.
- Overall Depth: 9.81 in.
- Axle Capacity: 20,000 lbs.
- VMRS Code: 013-017-006