Used Caterpillar 773B Off-Highway Trucks For Sale

The Caterpillar 773B is an off-highway haul truck designed for heavy-duty mining, quarry, and large earthmoving applications. Built by Caterpillar, the 773B is part of the 773 series and is used to transport large volumes of material over rough terrain and unpaved haul roads. It features a rigid frame, high-capacity dump body, and diesel powertrain suited for continuous material hauling. The model is commonly associated with open-pit mining and bulk construction operations. As an off-highway truck, the Caterpillar 773B is engineered for durability, load carrying, and operation in demanding site conditions where standard on-road trucks are not suitable.