Product Description
Webb 63617F 12.25 x 7.5 Heavy-Duty Inboard Brake Drum – 3174 / 122963 / 52743-11
The Webb 63617F is a 12.25 x 7.5-inch cast-iron brake drum with an inboard mounting configuration. It uses an 8.50-inch pilot, 10.00-inch bolt circle, and 6 mounting holes measuring 0.66 inch in diameter.
Gunite 3174, Meritor 122963, and KIC 52743-11 are established interchange numbers for the 63617F. The drum has an 8.00-inch brake surface flat, 9.07-inch overall depth, and weighs approximately 70 lb.
Part Number: 63617F
Base Part Number: 63617
Product Type: Heavy-Duty Brake Drum
Brand: Webb
Brake Size: 12.25 x 7.5 in.
Brake Surface Diameter: 12.25 in.
Brake Shoe Width: 7.50 in.
Brake Surface Flat: 8.00 in.
Overall Depth: 9.07 in.
Outside Diameter: 14.20 in.
Mounting Type: Inboard
Material: Cast Iron
Finish: Standard Finished
Pilot Diameter: 8.50 in.
Bolt Circle Diameter: 10.00 in.
Bolt Holes: 6
Bolt Hole Diameter: 0.66 in.
Back Plate Thickness: 0.44 in.
Maximum Wear Diameter: 12.37 in.
Approximate Weight: 70 lb
ABS Tone Ring Included: No
Outer Cooling Fins: No
Gunite Cross References: 3174, 3174X, 3175
Meritor Cross References: 122963, 03-122963-002, 3122963002
KIC Cross References: 52743-01, 52743-11
Automann Cross Reference: 151.27501
Dayton Parts Cross Reference: HD22
NAPA / Balkamp Cross Reference: 821-9187
NWRA Cross References: X-60205, X-60421
Additional Cross References: 120347, 120822, 122283, 122376, 2752, 3946063, 63647F, 91047, 91147
Inventory Description: 3174 DRUM 122963 52743-11
Before ordering, confirm Webb 63617F or a verified interchange and compare the 12.25 x 7.5 brake size, 8.50-inch pilot, 10.00-inch bolt circle, 6-hole pattern, 0.66-inch mounting holes, 9.07-inch overall depth, and inboard mounting configuration with the existing drum.
