The Meritor brake spider A3211P3448 is a Type Q brake spider carrying casting number 4211-Z-3406. It features a 16-hole mounting pattern arranged on an 8.25 in. bolt circle with individual hole diameters of 2.03 in. The holes are clocked at 22.5-degree increments starting at 0 degrees and continuing through 337.5 degrees, allowing precise alignment during installation. The pilot diameter measures 6.75 in. and the spider sits at a 1.75 in. offset. VMRS code 013-002-105 places this part in the brake spider classification. Call us to confirm proper fit for your application before ordering.
Features
Type Q brake spider, casting number 4211-Z-3406
16 mounting holes on an 8.25 in. bolt circle diameter
Individual hole diameter: 2.03 in.
Pilot diameter: 6.75 in.
Offset: 1.75 in.
Holes clocked at 22.5-degree increments (0 through 337.5 degrees)
Tech Specs
- Casting Number: 4211-Z-3406
- Brake Type: Q
- Mounting Holes: 16
- Bolt Circle Diameter: 8.25 in.
- Hole Diameter: 2.03 in.
- Pilot Diameter: 6.75 in.
- Offset: 1.75 in.
- Clocking Sequence (degrees): 0, 22.5, 45, 67.5, 90, 112.5, 135, 157.5, 180, 202.5, 225, 247, 270, 292.5, 315, 337.5
- VMRS Code: 013-002-105
