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  2. Self-propelled modular transporter - Wikipedia

    en.wikipedia.org/wiki/Self-propelled_modular...

    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. They also added 360° steering. [8]

  3. Dolly (trailer) - Wikipedia

    en.wikipedia.org/wiki/Dolly_(trailer)

    An A-dolly has a single drawbar with a centred coupling. A C-dolly has two separate couplings side-by-side. Low loader dolly, equipped with a gooseneck type drawbar that attaches to the fifth wheel coupling on the rear of a prime mover to distribute the mass on the fifth wheel on the dolly between the prime mover and the wheels of the dolly ...

  4. Hydraulic modular trailer - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_modular_trailer

    Tiiger four-axle HMT module at Transporter Industry International headquarters in Haryana, India. A hydraulic modular trailer (HMT) is a special platform trailer unit which feature swing axles, hydraulic suspension, independently steerable axles, two or more axle rows, compatible to join two or more units longitudinally and laterally and uses power pack unit (PPU) to steer and adjust height. [1]

  5. Hand truck - Wikipedia

    en.wikipedia.org/wiki/Hand_truck

    A hand truck. A hand truck, also known as a hand trolley, dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-moving handcart with handles at one end, wheels at the base, with a small ledge to set objects on, flat against the floor when the hand truck is upright. [1]

  6. Road train - Wikipedia

    en.wikipedia.org/wiki/Road_train

    A dog-trailer (also called a pup) is a short trailer with a permanent dolly, with a single A-frame drawbar that fits into the Ringfeder or pintle hook on the rear of the truck or trailer in front, giving the whole unit two or more articulation points and very little roll stiffness. These are commonly used in Australia, particularly for end ...

  7. Semi-trailer - Wikipedia

    en.wikipedia.org/wiki/Semi-trailer

    A tractor unit pulling a semi-trailer A truck pulling a semitrailer using a trailer dolly. A semi-trailer is a trailer without a front axle. The combination of a semi-trailer and a tractor truck is called a semi-trailer truck (also known simply as a "semi-trailer", "tractor trailer", or "semi" in the United States). [1]