Mack modified its existing trucks with varying success. įrom the 1930s Euclid, International-Harvester and Mack contributed to ongoing development. The operator turned a crank to raise and lower the box. The cable was connected to the lower front end of the wooden dump box which was attached by a pivot at the back of the truck frame. The lifting device was a winch attached to a cable that fed over sheave ( pulley) mounted on a mast behind the cab. Mawhinney attached a dump box to a flatbed truck in 1920. The first known Canadian dump truck was developed in Saint John, New Brunswick, when Robert T. Galion (now Galion Godwin Truck Body Co.) is the oldest known truck body manufacturer still in operation today. built all of the dump bodies offered by Ford on their heavy-duty AA and BB chassis during the 1930s. continued to grow after the war by manufacturing a number of express bodies and some smaller dump bodies that could be easily installed on either stock or converted (heavy-duty suspension and drivetrain) Model T chassis prior to 1920. Fruehauf became the premier supplier of dump trailers and their famed "bathtub dump" was considered to be the best by heavy haulers, road and mining construction firms. They offered hydraulic lift gates, hydraulic winches and a dump trailer for sales in the early 1920s. After the war, Fruehauf introduced hydraulics in his trailers. August Fruehauf had obtained military contracts for his semi-trailer, invented in 1914 and later created the partner vehicle, the semi-truck for use in World War I. Such companies flourished during World War I due to massive wartime demand. Hydraulic dump beds were introduced by Wood Hoist Co. and Lauth-Juergens among many others around 1910. The first motorized dump trucks in the United States were developed by small equipment companies such as The Fruehauf Trailer Corporation, Galion Buggy Co. Thornycroft developed a steam dust-cart in 1896 with a tipper mechanism. The dump truck is thought to have been first conceived in the farms of late 19th century western Europe.
1884, showing an early lever-based dumping mechanism
History The Graff & Hipple Wagon Dumper, ca. In the UK, Australia, South Africa and India the term applies to off-road construction plants only and the road vehicle is known as a tip lorry, tipper lorry (UK, India), tipper truck, tip truck, tip trailer or tipper trailer or simply a tipper (Australia, New Zealand, South Africa). A typical dump truck is equipped with an open-box bed, which is hinged at the rear and equipped with hydraulic rams to lift the front, allowing the material in the bed to be deposited ("dumped") on the ground behind the truck at the site of delivery. Freightliner Business Class M2 dump truckĪ dump truck, known also as a dumping truck, dump trailer, dumper trailer, dump lorry or dumper lorry or a dumper for short, is used for transporting materials (such as dirt, gravel, or demolition waste) for construction as well as coal.
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