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Webb Wheel Drum Detail
DRUM INFORMATION
Drum Part Number: 77710B
Weight:
Brake Shoe Width:
Back Plate Thickness: 0.56
Drum Type:
Mount: Outboard
Brake Surface Diameter: 16.50
Overall Depth: 9.39
Brake Surface Flat: 5.70
Pilot Diameter: 8.78
Bolt Circle Diameter: 11.25
Bolt Hole (Number): 10
Bolt Hole Size: 1.31
Maximum Wear Diameter: 16.62
Notes: Obsolete - Replaced by 77805BW