The Link-Belt HC-278 Conventional Truck Crane has a capacity of 300 tons and a maximum boom length of 330 feet. It has full floating walking beam support to maintain traction and mobility on uneven roads, as well as a HYLAB hydraulic system. The Link-Belt HC-258 has a six-axle 12×8×10 drive configuration and a host of other features.

Link-Belt has subsequently produced the HC-278H and HC-278H II, which add new features and upgrades over previous models.