Product Description
Webb 66875F 16.5 x 7 Heavy-Duty Outboard Brake Drum – 123409 / 88797 / 3141B
The Webb 66875F is a 16.5 x 7-inch cast-iron brake drum with an outboard mounting configuration. It uses an 8-hole pattern with a 9.00-inch pilot diameter and 10.83-inch bolt circle.
The 66875F has several common interchange numbers, including Meritor/Dayton 123409, Motor Wheel/Stemco 88797, Gunite 3141B, and ConMet 107875. The 8-hole pattern and 9-inch pilot are important identifying dimensions when comparing it with other 16.5 x 7 drums.
Part Number: 66875F
Base Part Number: 66875
Product Type: Heavy-Duty Brake Drum
Brand: Webb
Brake Size: 16.5 x 7 in.
Brake Surface Diameter: 16.50 in.
Brake Surface Flat: 7.81 in.
Overall Depth: 10.62 in.
Outside Diameter: 18.75 in.
Mounting Type: Outboard
Material: Cast Iron
Pilot Diameter: 9.00 in.
Bolt Circle Diameter: 10.83 in.
Bolt Holes: 8
Bolt Hole Diameter: 1.00 in.
Back Plate Thickness: 0.50 in.
Maximum Wear Diameter: 16.62 in.
Approximate Weight: 111 lb
Meritor / Dayton Cross Reference: 123409 / 03-123409-002
Motor Wheel / Stemco Cross Reference: 88797 / 88797B
Gunite Cross References: 3141B, 3141BX, 3401A
ConMet Cross References: 107875, 10001801
Additional Cross References: 53033-30, 5303330, 16141, X-60789, 1648316C1
Use: Commercial Trucks and Trailers
Inventory Description: DRUM (123409, 126875 = HD)
Before ordering, confirm the 66875/66875F number or a verified interchange, along with the 16.5 x 7 brake size, 9.00-inch pilot, 10.83-inch bolt circle, 8-hole pattern, and outboard mounting configuration to ensure proper fit.
