Peterbilt has unveiled its first major upgrade to the Model 579 highway tractor since its launch in 2012. Senior Editor Jack Roberts visited Peterbilt's Denton, Texas, manufacturing plant, took a New Model 579 test drive and attended the virtual launch of the new truck. Here's what he saw.

2021 marks the 100th year of Autocar making purpose-built vocational trucks. Check out this photo gallery to see Autocar trucks through the decades.

Kenworth has a long tradition of delivering the official Christmas Tree of the U.S. Capitol. This year's tree was delivered by Apex Transportation from the Grand Mesa, Uncompahgre and Gunnison National Forests in Colorado to Washington, D.C., for the official tree lighting ceremony on Dec. 2.

Navistar unveiled the new International HX severe-service truck, aimed at construction and heavy haul and focused on the driver.

The new Western Star 49X is a major step forward in terms of how DTNA will approach the North American vocational truck market in the future. Jack Roberts has these photos from his hands-on test drive.

The all-new Western Star 49X Class 8 vocational truck is lighter yet stronger than its predecessor, with new safety and driver comfort features, plus details that make adding a body simpler.

While 2019 saw surges in equipment purchases in the last few months of 2019, the COVID-19 outbreak quickly changed the landscape.

Equipment Editor Jim Park stumbled upon this MD7 in Stoney Creek, Ontario, in early June. After making a few calls, he arranged for an industry-first test drive and has these photos.

The American Truck Dealers, Heavy Duty Trucking, and Procede Software presented the 2020 Truck Dealer of the Year award. This year's winner is Oscar Horton, president and CEO of Sun State International Trucks, LLC in Tampa, Florida. We feature him and the other nominees and their dealerships in this photo gallery.

Held March 3-6 in Indianapolis, the 2020 edition of the NTEA Work Truck Show marked the 20th anniversary of the country's premier exhibition of vocational trucks and everything that goes into them. Photos by HDT Executive Editor David Cullen and Equipment Editor Jim Park.

HDT staff presented its 2020 Top 20 Product awards to recipients during the American Trucking Associations' Technology & Maintenance Council Annual Meeting in Atlanta and at The Work Truck Show in Indianapolis.
