Product Description
Webb 61527B Heavy-Duty Outboard Brake Drum – Gunite 3721X
The Webb 61527B is a balanced heavy-duty brake drum with an outboard mounting configuration. Webb lists this Type K drum with a 15.00-inch brake surface diameter, 8.78-inch pilot diameter, and 11.25-inch bolt circle.
The 61527B has a 4.78-inch brake surface flat and an 8.86-inch overall depth. It uses a 10-hole mounting pattern with 1.00-inch mounting holes and has a 0.50-inch backface thickness. Webb lists the drum at approximately 70 lb.
Webb’s own cross-reference catalog identifies Gunite 3721X as an interchange for the 61527B.
Part Number: 61527B
Base Part Number: 61527
Brand: Webb
Product Type: Heavy-Duty Brake Drum
Drum Type: K
Mounting Type: Outboard
Balance: Balanced
Brake Surface Diameter: 15.00 in.
Brake Surface Flat: 4.78 in.
Overall Depth: 8.86 in.
Pilot Diameter: 8.78 in.
Bolt Circle Diameter: 11.25 in.
Bolt Holes: 10
Bolt Hole Diameter: 1.00 in.
Backface Thickness: 0.50 in.
Maximum Wear Diameter: 15.120 in.
Approximate Weight: 70 lb
Gunite Cross Reference: 3721X
Inventory Description: 3721X DRUM
Before ordering, confirm the Webb 61527B part number or Gunite 3721X interchange and compare the 15.00-inch brake surface diameter, 8.78-inch pilot, 11.25-inch bolt circle, 10-hole pattern, 1.00-inch mounting holes, overall depth, and outboard mounting configuration with the drum being replaced.
