Rear discs for Model 579

Rear disc brakes are now standard on Peterbilt Model 579 trucks, building on the stopping power of front disc brakes introduced to the model in 2012.

Air disc brakes offer precise brake adjustment, better distribute brake force, promise even pad wear, and reduce brake fade, the manufacturer says.

Other safety-related investments in the model have included standard options like Electronic Stability Control, Bendix Wingman collision mitigation systems, and improved lighting.

John G. Smith is the editorial director of Newcom Media's trucking and supply chain publications -- including Today's Trucking,, TruckTech, Transport Routier, Inside Logistics, Solid Waste & Recycling, and Road Today. The award-winning journalist has covered the trucking industry since 1995.

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