Trailer connection device From Wikipedia, the free encyclopedia
A dolly is an unpowered vehicle designed for connection to a tractor unit, truck or prime mover vehicle with strong traction power.
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There are several types of dolly bogie:
There are two basic types:
Converter dollies are used in road trains in Australia, most commonly with two or three axles and a hinged drawbar. They are also frequently referred to as road train dollies.
The C-dolly design is not allowed in Australia, as it prevents articulation between the dolly wheels and the axles of the truck or trailer in front of the dolly. Australian rules require articulation between axle groups.
Low-loader dollies – which present a kingpin rather than a drawbar coupling – are used with many low loaders to allow heavy cargo to be carried without overloading the wheels of the prime mover or the low loader.
Dollies are used for the transportation of loose baggages, oversized bags, mail bags, loose cargo carton boxes, etc. between an aircraft and the terminal or sorting facility. In the US, these dollies are called baggage carts, but in Europe baggage cart means baggage trolleys used by individual passengers.
An aircraft ground carriage[citation needed] / ground power assisted takeoff and landing concept is a landing gear system connected to the ground, on which aircraft can take off and land without their aircraft-installed landing gear.[1]
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