Meritor part number 85-122009-002 or 85122009002 is a cast balanced brake drum designed for inboard mounting on spoke-wheel axle ends rated at 23,000 lbs. capacity. The drum measures 16.50 in. in diameter with a 7.00 in. brake width and a 7.65 in. brake surface width, giving the friction face a meaningful extra sweep area beyond the nominal width. Overall depth is 8.65 in. and the pilot diameter is 10.50 in. The 5-bolt pattern sits on a 12.75 in. bolt circle with 0.78 in. bolt hole diameter. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific axle and wheel configuration.
Features
Brake diameter: 16.50 in.; brake width: 7.00 in.; brake surface width: 7.65 in.
Cast balanced drum construction with inboard mounting
5-bolt pattern on a 12.75 in. bolt circle; bolt hole diameter 0.78 in.
Pilot diameter: 10.50 in.; overall depth: 8.65 in.
Designed for spoke wheel applications on axles rated at 23,000 lbs. capacity
VMRS Code: 013-017-006
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.65 in.
- Overall Depth: 8.65 in.
- Pilot Diameter: 10.50 in.
- Bolt Hole Number: 5
- Bolt Hole Diameter: 0.78 in.
- Bolt Circle Diameter: 12.75 in.
- Drum Type: Cast Balanced
- Drum Mounting: Inboard
- Wheel Type: Spoke
- Axle Capacity: 23,000 lbs.
- VMRS Code: 013-017-006
