Heavy Duty Trucking

JUL 2014

The Fleet Business Authority

Issue link: https://heavydutytrucking.epubxp.com/i/344801

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Page 53 of 95

50 HDT • JULY 2014 www.truckinginfo.com F ive years ago, when federal authorities announced that stopping-distance rules for heavy tractors would get stricter, there was talk that this would finally cause a conversion from drum brakes to air disc brakes in the U.S. Even well before that, some supplier rep- resentatives claimed that discs were so superior that a switch to them was inevitable, just as has happened in Europe and other overseas markets. Tom Berg • Senior Editor 90% of heavy trucks still get drums, but discs are gaining in popularity. 90% of heavy Brake Tom Berg t Senior Editor Trends Drum brakes have been enlarged and strengthened to meet stricter federal stopping distance requirements implemented in 2011 and 2013. Most tractors can meet the rules using drums, so 90% of buyers still choose them instead of air disc brakes.

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