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A live bottom trailer is the alternative to a dump truck or an end dump trailer. The typical live bottom trailer has a conveyor belt on the bottom of the trailer tub that pushes the material out of the back of the trailer at a controlled pace. Unlike the conventional dump truck, the tub does not have to be raised to deposit the materials.
6×4 semi-tractor with two-axle trailer. A semi end dump is a tractor-trailer combination wherein the trailer itself contains the hydraulic hoist. In the US a typical semi end dump has a 3-axle tractor pulling a 2-axle trailer with dual tires, in the EU trailers often have 3 axles and single tires. The key advantage of a semi end dump is a ...
The permanently attached trailer can not move vertically in relation to the tractor, but can rotate and swing on the horizontal plane. The operator has a conventional steering wheel that actuates hydraulic cylinders that push and pull the tractor relative to the trailer. The tractor and the trailer sections can move at great angles to each ...
The International Loadstar is a series of trucks that were produced by International Harvester from 1962 to 1978. [1] The first purpose-built medium-duty truck designed by the company, International slotted the Loadstar between its light-duty pickup trucks (initially the C-series, later the D-series) and the heavy-duty R-series.
A dumper has a body which tilts or opens at the back for unloading and is usually an open 4-wheeled vehicle with the load skip in front of the driver. The skip can tip to dump the load; this is where the name "dumper" comes from. They are normally diesel powered. A towing eye is fitted for secondary use as a site tractor.
The automatic semi-trailer coupling patented by Fruehauf dominated the semi-trailer market until the Fruehauf Trailer Corporation's assets were sold in bankruptcy to Wabash National in 1997. Another fifth wheel patent U.S. 2,053,812 [ 9 ] was issued to Charles E. Bradshaw of Wellville, Virginia , filed March 18, 1936 and granted September 8, 1936.
Moxy built the first prototype dump truck in 1970. The first model was a heavy duty dump truck drawn by a powerful tractor with rear wheels driven by hydraulic motors. The next version, an articulated dump truck driven by a Scania diesel engine, D20, was also finished in 1970.
The first modular self-propelled trailers were built in the 1970s. In the early 1980s, heavy haulage company Mammoet [ 6 ] refined the concept into the form seen today. [ 7 ] They set the width of the modules at 2.44 m, so the modules would fit on an ISO container flatrack .