Mack Defense produced its 500th M917A3 Heavy Dump Truck (HDT) at its facility in Allentown, Pennsylvania. The HDT is based on ...

Scott Klinger owns this 2019 Kenworth W900L that's powered by a 565-hp Cummins X15 with a 13-speed.

At nearly 30 feet long with a 1,500-hp Caterpillar engine behind the cab, The Prospector looks otherwordly even when it's ...