Meritor part number 03-122011-002 or 03122011002 is a cast unbalanced brake drum built for spoke-wheel, inboard-mount applications rated at 23,000 lb. axle capacity. The drum measures 15.00 in. in diameter with a 7.00 in. brake width and an overall depth of 8.51 in. The five-bolt mounting pattern uses a 12.75 in. bolt circle with 0.78 in. bolt hole diameter, and the pilot diameter is 10.50 in. Brake surface width comes in at 7.36 in. This is a Type B drum. Call us to confirm proper fit for your specific axle and wheel configuration before ordering.
Features
15.00 in. brake diameter x 7.00 in. brake width
Cast unbalanced, Type B drum construction
Inboard drum mounting
Spoke wheel type
5-bolt pattern: 12.75 in. bolt circle, 0.78 in. bolt hole diameter
Pilot diameter 10.50 in., overall depth 8.51 in., brake surface width 7.36 in.
23,000 lb. axle capacity rating
Tech Specs
- Brake Diameter: 15.00 in.
- Brake Width: 7.00 in.
- Brake Surface Width: 7.36 in.
- Overall Depth: 8.51 in.
- Pilot Diameter: 10.50 in.
- Bolt Circle Diameter: 12.75 in.
- Bolt Hole Diameter: 0.78 in.
- Bolt Hole Number: 5
- Wheel Type: Spoke
- Drum Mounting: Inboard
- Drum Type: B
- Drum Balance: Cast Unbalanced
- Axle Capacity: 23,000 lb.
- VMRS Code: 013-017-006
