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December 2, 2020
A heavy haul trailer is a very large transportation vehicle that can move too much cargo without escorts and special permits and cannot be driven on the road.
Heavy haul trailer usually consist of heavy haul tractor units and multi-axle lowbed railers. Some trailers may have independently steerable wheels, while some trailers may be towed by one or more tractors in the train.
More and more self-propelled modular transport vehicles are produced, some of which have more and more self-steering axles, with dozens of rubber tires to distribute the load. It is not uncommon for combined and self-propelled heavy haul trailer to carry a load of 100 tons.
In some cases, heavy haul trailer is designed and constructed to move specific loads at once or for short periods of time. An example is the self-propelled antenna transporter used in the ALMA radio telescope project, which is a 130-ton (130 long tons; 140 short tons) rigid vehicle with 28 wheels designed to carry and place 115 tons (113 long) tons; The 127-ton short radio telescope antenna reaches 5,000 m (16,400 ft) from the mountain. The girder bridge trailer is another professional heavy-duty transport vehicle specially used for the transportation of large power transformers.
Typical loads that heavy haul trailer moves on highways under escort include chemical industries, factories, prefabricated parts of construction projects, giant power transformers, turbines, and giant boilers and pressure vessels used in houses (usually made of wood).
The term "heavy haul trailer" can also be used to refer to off-road dump trucks and ore transport vehicles with a capacity not exceeding 400 tons (390 long tons; 440 short tons) used in mining and construction, or specially manufactured aircraft for use in Carry heavy objects.
In China, some shipbuilding companies use SPMT to transport ship parts and build ships. They have reduced the cost of millions of dollars in using gantry cranes to transport goods. It is also the first company to use SPMT to build ships in China.
Buying heavy equipment is a complicated process. The operator must consider the specifications of the expected load, the road conditions in the work area, and various other factors, including which trailer will provide the best safety and productivity. In order to maximize efficiency and minimize costs, operators rely on manufacturers and distributors to help determine the correct trailer for their unique transportation needs-with the ability and functionality to legally and safely transport expected loads.
When working with equipment manufacturers or distributors, it may not be easy to know where to start. For experts, the answer is simple-always start with the load. These are some of the most common issues buyers need to consider when configuring heavy haul trailers. Arm yourself with the answers to these questions, which will improve the specification process.