The Meritor brake spider A3211P3656 (also referenced as A 3211P3656) is a genuine OEM air brake spider assembly designed for drum brake axle ends. It features a 16.50 in. brake size with a Type Q brake configuration and mounts via 10 holes arranged on an 8.25 in. bolt circle diameter. The pilot diameter measures 6.75 in., hole diameter is 2.03 in., and offset is 1.75 in. The casting number is 4211-Z-3406. The clocking sequence of mounting holes runs at 22, 67, 90, 112, 157, 202, 247, 270, 292, and 337 degrees. Cross-referenced under numbers 4TA439 and A3211P3656RI, among others. Call us to confirm proper fit for your axle application.
Features
Brake size: 16.50 in., Type Q brake configuration
10 mounting holes on 8.25 in. bolt circle diameter
Pilot diameter: 6.75 in.; hole diameter: 2.03 in.
Offset: 1.75 in.; chamfer: 0.09 in. x 45 degrees
Hole clocking sequence: 22, 67, 90, 112, 157, 202, 247, 270, 292, 337 degrees
Casting number 4211-Z-3406; VMRS Code 013-002-105
Tech Specs
- Brake Size: 16.50 in.
- Brake Type: Q
- Mounting Holes: 10
- Bolt Circle Diameter: 8.25 in.
- Pilot Diameter: 6.75 in.
- Hole Diameter: 2.03 in.
- Offset: 1.75 in.
- Chamfer: 0.09 in. x 45 degrees
- Clocking Sequence of Mounting Holes (degrees): 22, 67, 90, 112, 157, 202, 247, 270, 292, 337
- Casting Number: 4211-Z-3406
- VMRS Code: 013-002-105
