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  2. Airport dolly - Wikipedia

    en.wikipedia.org/wiki/Airport_dolly

    Airport dollies for unit load device (ULD) and cargo pallets are standard sized flatbed trolley or platform, with many wheels, roller bars or ball bearings protruding above the top surface for easy loading and unloading of ULD and cargo pallets respectively. Since ULD/pallet rest on ball bearings, these dollies are equipped with hinge/locks to ...

  3. Dolly (trailer) - Wikipedia

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

    It is designed to couple to the concerned automobile's powered wheel, i.e. the front wheel of a Front-wheel drive automobile, or the rear wheel of a rear-wheel drive automobile, by locking the powered wheels onto the tow dolly's tray. The tow dolly is tow hitch connected to a tractor or truck. Tow dollies are legal in all 50 US states and Canada.

  4. 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]

  5. 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]

  6. Fifth-wheel coupling - Wikipedia

    en.wikipedia.org/wiki/Fifth-wheel_coupling

    The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin , a 2-or- 3 + 1 ⁄ 2 -inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of the front of the semi-trailer, and a horseshoe-shaped coupling device called a ...

  7. Car carrier trailer - Wikipedia

    en.wikipedia.org/wiki/Car_carrier_trailer

    In order to further expand storage capacity, some trucks, typically called stinger units, are equipped with an "overhead" — an extra storage space mounted above the truck cabin which is accessible via the top ramp of a car carrier trailer. Up to 3 vehicles can be loaded on the truck: one on the roof, and two over the 5th wheel/drive tires. [3]