Meritor part number 85-123570-002 or 85123570002 is a cast balanced brake drum engineered for heavy-duty disc-wheel axle applications rated to 26,000 lbs. The drum measures 16.50 in. in diameter with an 8.63 in. brake width and a 9.11 in. brake surface width. It uses a 10-bolt outboard mounting pattern on an 11.25 in. bolt circle, with a 0.94 in. bolt hole diameter and an 8.78 in. pilot diameter. Overall depth is 11.25 in. Cross-references include Gunite 3807AX, Webb 66854B and 66855B, Conmet 107638, and Motor Wheel 630000. A genuine Meritor part, available from Pro Gear and Transmission. Call us to confirm proper fit for your axle and wheel-end configuration.
Features
16.50 in. brake diameter x 8.63 in. brake width, 9.11 in. brake surface width
10-bolt outboard mounting pattern, 11.25 in. bolt circle diameter, 0.94 in. bolt hole diameter
8.78 in. pilot diameter, 11.25 in. overall depth
Cast balanced construction for disc-wheel applications
Axle capacity: 26,000 lbs.
Cross-references: Gunite 3807AX, Webb 66854B/66855B, Conmet 107638, Motor Wheel 630000
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 8.63 in.
- Brake Surface Width: 9.11 in.
- Bolt Hole Number: 10
- Bolt Circle Diameter: 11.25 in.
- Bolt Hole Diameter: 0.94 in.
- Pilot Diameter: 8.78 in.
- Overall Depth: 11.25 in.
- Drum Mounting: Outboard
- Wheel Type: Disc
- Axle Capacity: 26,000 lbs.
- Type: Cast Balanced
- VMRS Code: 013-017-006
