Because the amount of weight they Cary would cause the tyres to break down under the strain so they put more tyres under to share the weight.
Because the amount of weight they Cary would cause the tyres to break down under the strain so they put more tyres under to share the weight.
Trucks are heavier, so they need tires of adequate width in order to distribute their weight.
trucks with dual tires in the back are designed that way to improve the way it distributes the weight of the cargo/truck so it can tow/haul more
There are two catagories of trucks that are well known for having big wheels. The first category is show trucks such as Bigfoot that are often referred to as Monster Trucks because they are so big. The second kind of trucks with huge wheels are specialized mining trucks that are huge and used to excavate coal and other resources from strip mines.
You can buy all terrain tires from various places. Many gas and service stations have tires for sale. You can also visit a place that specializes in just tires. Tires are a big investment so don't buy the first set you see. do your research and compare different business'.
Steam trucks looked like steam trains, with large engines. They had big iron wheels and smoky funnels. They were so big and heavy that they ruined the roads.
A Jeep is a 4x4 vehicle, one of the best Off-raod trucks out there to drive, to build or modify, and to fix. It is built strong to withstand rocks and move big tires, to tow trailers and other trucks, it got short wheel base so it climbs rocks and holds a great traction without slipping or getting stuck.
It would depend on the available space to carry an extra tire but most of them only carry one spare. With so many wheels on these trucks it is often not necessary for a driver to change the tire even if one does go flat. Belevie it or not,even though they have 18 wheels the most spare tires you will find is 2. Big rigs do not have to have all 18 wheels inflated in order to run.
So that if they build up any charge, it can be released into the ground, and the truck wont catch fire.
Commercial trucks are big because they usually carry large cargo or equipments like concrete mixers, suction excavators. They require a lot of power and configuration in order to operate properly.
big trucks can have air pressure slow the transmission countershafts so you can get it in gear without grinding, but I haven't seen them used since the late 70's or so.
You must be buying cheap tires. I find almost no flaws in bike tires that I use.