The HX515 is a 115-in. BBC Set-forward Axel Straight Truck with primary vocations, including concrete mixer, construction dump, refuse/roll-off and crane. The HX515 model is powered by Navistar N13 engines. The truck features a stationary all-metal grille, back-of-cab transition plate, DriveFirst cab suspension, and asymmetric front suspension. The HX515 has a huck-bolted frame and cross members.