Product Description
Webb 61991B 15 x 8.62 Balanced Heavy-Duty Brake Drum
The Webb 61991B is a 15 x 8.62-inch balanced brake drum for heavy-duty commercial truck wheel ends. It features an outboard-mount design, 10-hole mounting pattern, and cast-iron construction.
The 61991B is approved for use with 19.5-inch disc wheels and is machine-balanced to TMC RP608 recommended practices. It has an 8.78-inch pilot diameter, 11.25-inch bolt circle, and 1-inch mounting holes.
Part Number: 61991B
Product Type: Heavy-Duty Brake Drum
Brand: Webb
Brake Size: 15 x 8.62 in.
Nominal Drum Diameter: 15.00 in.
Brake Surface Flat: 9.22 in.
Overall Depth: 11.75 in.
Outside Diameter: 19 in.
Mounting Type: Outboard
Material: Cast Iron
Pilot Diameter: 8.78 in.
Bolt Circle Diameter: 11.25 in.
Bolt Holes: 10
Bolt Hole Diameter: 1.00 in.
Back Plate Thickness: 0.50 in.
Maximum Wear Diameter: 15.12 in.
Configuration: Balanced
Approved Wheel Size: 19.5 in. Disc Wheels
Approximate Weight: 118 lb
Cross References: Gunite 3744X, Accuride/KIC 54270-018, ConMet 107866
Inventory Description: DRUM
Before ordering, confirm the complete part number, 15 x 8.62 brake size, pilot diameter, bolt pattern, outboard mounting configuration, and interchange number to ensure proper fit.