Meritor part number 85-123788-002 or 85123788002 is a genuine Opti-Cast Balanced brake drum designed for disc-wheel, outboard-mount applications rated to a 23,000 lb. axle capacity. The drum measures 16.50 in. in diameter with a 7.00 in. brake width and a 7.46 in. brake surface width. The 10-bolt mounting pattern sits on an 11.25 in. bolt circle diameter with 1.08 in. bolt holes and an 8.78 in. pilot diameter. Overall depth is 10.54 in. Cross-references include Gunite 3299X and 3922X, Webb 56864B and 56864BV, and Automann 1516726BA. Call us to confirm proper fit for your axle configuration.
Automann: 1516726BA, 1516726BATR
Gunite: 3299X, 3922X
KIC: 60000018, 6000018
Webb: 56864B, 56864BV
Features
Opti-Cast Balanced drum construction for disc-wheel, outboard-mount axle ends
16.50 in. brake diameter x 7.00 in. brake width; 7.46 in. brake surface width
10-bolt pattern on 11.25 in. bolt circle diameter with 1.08 in. bolt holes
8.78 in. pilot diameter; 10.54 in. overall depth
23,000 lb. axle capacity rating
Cross-references: Gunite 3299X / 3922X, Webb 56864B / 56864BV, Automann 1516726BA / 1516726BATR
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.46 in.
- Overall Depth: 10.54 in.
- Bolt Hole Number: 10
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 1.08 in.
- Pilot Diameter: 8.78 in.
- Drum Mounting: Outboard
- Wheel Type: Disc
- Axle Capacity: 23,000 lbs.
- Type: Opti-Cast Balanced
- VMRS Code: 013-017-006
Additional Information
Cross-reference / interchange numbers for Meritor 85-123788-002:Automann: 1516726BA, 1516726BATR
Gunite: 3299X, 3922X
KIC: 60000018, 6000018
Webb: 56864B, 56864BV