Webb Vortex® Unlimited Brake Drums

The Webb Vortex Unlimited features advanced brake drum technology to run 10% cooler than standard brake drums. The patented design employs external cooling ribs that conduct heat away from the brake surface for superior heat dissipation. A patented wear indicator gives you a quick visual reference to take the guess work out of repairs to save maintenance cost.

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Webb 66864B Standard Brake Drum

More robust than the 56864 brake drum, the Webb 66864 is the proven industry standard for vocational, or heavy-duty drive and trailer applications.

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Webb Cast Brake Drums

Webb brake drums are made from a high grade of cast iron for long service life and conform to SAE Recommended Practices. With over 400 brake drums available in sizes ranging from 12.25 x 6.00 to 18.00 x 8.00, Webb offers the broadest brake drum line and has become the industry standard for quality wheel end quipment.

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Popular OEM Truck Brake Drum Models

 

Click on Drum Model Numbers below for more information
Drum Model
Number
Brake Surface
Diameter
Brake Shoe
Width
Overall Depth
Width
Pilot
Diameter
Bolt Circle Diameter Bolt HoleBolt Hole SizeTypeMountBack Plate ThicknessSurface FlatMaximum Wear DiameterWeightNotes and Performance Features
61527B15.00"4"8.86"8.78"11.25"10"1.00"K
Outboard0.504.7815.1269 lbs
61576F15.00"7"10.59"9.00"10.83"8"1.00"K
Outboard0.507.7515.12107 lbs
61850F18.00"7"8.75"9.00"13.19"10"1.06"H
Inboard0.567.5018.25135 lbs
61950B15.00"6"9.84"8.78"11.25"10"1.00"K
Outboard0.506.6415.1278 lbs Approved for 19.5 disc wheels
61988Y15.00"8.62"11.59"8.78"11.25"10"1.00"K
Outboard0.509.2115.12101 lbs Approved for 19.5 disc wheels
61989B15.00"8.62"11.59"9.00"10.83"8"1.00"K
Outboard0.509.2115.12103 lbs Approved for 19.5 disc wheels
62670B16.50"7"9.69"8.78"11.25"10"1.09"H
Outboard0.627.3116.62114 lbs
62671B16.50"7"9.69"8.78"11.25"10"1.31"H
Outboard0.627.3116.62117 lbs
63680F12.25"7.5"11.22"9.00"10.83"8"1.00"A
Outboard0.509.9512.3793 lbs
65152B16.50"6"9.75"8.78"11.25"10"1.31"H
Outboard0.626.5016.62120 lbs
65162B16.50"6"9.75"8.78"11.25"10"1.00"H
Outboard0.626.5016.62121 lbs
65163B16.50"6"9.52"8.78"11.25"10"1.00"H
Outboard0.626.2716.62117 lbs
65533B15.00"4"9.04"8.78"11.25"10"1.31"H
Outboard0.504.515.1278 lbs
65541B15.00"4"8.76"9.00"11.25"10"1.31"H
Outboard0.624.5015.1277 lbs
65543B15.00"4"9.04"9.00"10.83"8"1.00"H
Outboard0.504.7515.1280 lbs
65545B15.00"4"9.04"8.78"11.25"10"1.00"H
Outboard0.504.5015.1266 lbs
65659B16.50"5"9.14"8.78"11.25"10"1.00"K
Outboard0.505.4516.6285 lbs
66250B16.50"7"10.59"11.25"13.19"10"1.00"K
Outboard0.507.3816.62116 lbs
66366B16.50"6"9.65"11.25"13.19"10"1.00"K
Outboard0.506.6216.83105 lbs
66660B16.50"7"10.37"8.78"11.25"10"1.19"K
Outboard0.627.3816.62129 lbs
66661B16.50"7"10.37"8.78"11.25"10"1.00"K
Outboard0.507.4616.62136 lbs For severe service.
66665B18.00"7"10.37"8.78"11.25"10"1.00"K
Outboard0.507.3818.24147 lbs
66669B16.54"7"10.15"11.10"13.19"10"1.19"K
Outboard0.567.2516.62118 lbs
66826B16.50"7"10.19"8.78"11.25"10"1.00"K
Outboard0.507.3816.62116 lbs Oil Groove
66850B16.55"7"10.00"8.78"11.25"10"1.00"K
Outboard0.507.50103 lbs
66855B16.50"8.62"11.46"8.78"11.25"10"1.00"K
Outboard0.569.0816.62120 lbs
66864B16.50"7"10.52"8.78"11.25"10"1.00"K
Outboard0.487.5416.62108 lbs Use 66884B for heavy duty applications.
66884B16.50"7"10.62"8.78"11.25"10"1.00"K
Outboard0.507.6216.62116 lbs Use 66661B for severe service.
67599F"""""""
lbs OBSOLETE WITH NO REPLACEMENT
75659B16.50"5"9.39"8.78"11.25"10"1.00"V
Outboard.505.7016.62079 lbsVortex Vortex Steer Can use 77710B
76855B16.50"8.62"11.46"8.78"11.25"10"1.00"V
Outboard.568.9916.620113 lbsVortex Can use 77854BW
77710B16.50"5"9.39"8.78"11.25"10"1.31"V
Outboard0.505.7016.6279 lbsVortex

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