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  2. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    Three-point hitches are composed of three movable arms. The two lower arms—the hitch lifting arms—are controlled by the hydraulic system, and provide lifting, lowering, and even tilting to the arms. The upper center arm—called the top link—is movable, but is usually not powered by the tractor's hydraulic system.

  3. M939 series 5-ton 6×6 truck - Wikipedia

    en.wikipedia.org/wiki/M939_series_5-ton_6×6_truck

    The M936 was a wrecker used to recover disabled or stuck trucks and lift large components. A rotating, telescoping, and elevating hydraulic boom could lift a maximum of 20,000 pounds (9,100 kg). Although the truck was not meant to carry a load, the boom could support 7,000 pounds (3,200 kg) when towing.

  4. M809 series 5-ton 6×6 truck - Wikipedia

    en.wikipedia.org/wiki/M809_series_5-ton_6×6_truck

    As a wrecker the boom could lift up to 20,000 lb (9,100 kg), and had a longer reach than the M816. As a tractor the fifth wheel load rating was 15,000 lb (6,800 kg). Because of the high empty weight as a semi tractor, oversize 12.00x20 tires were used, this was the only model to have this size. [3] [19]

  5. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    Also known as tractor fluid, hydraulic fluid is the life of the hydraulic circuit. It is usually petroleum oil with various additives. Some hydraulic machines require fire resistant fluids, depending on their applications. In some factories where food is prepared, either an edible oil or water is used as a working fluid for health and safety ...

  6. M35 series 2½-ton 6×6 cargo truck - Wikipedia

    en.wikipedia.org/wiki/M35_series_2½-ton_6×6...

    The basic model was the M109, with a variant that could mount the PTO winch was designated M185. The M185 was a machine shop version of the M109 that carried a light duty crane, tools, other items. It often towed a M105 trailer. An expandable van variant with hydraulic lift gate was designated M292.

  7. Dump truck - Wikipedia

    en.wikipedia.org/wiki/Dump_truck

    6×4 semi-tractor with two-axle trailer. A semi end dump is a tractor-trailer combination wherein the trailer itself contains the hydraulic hoist. In the US a typical semi end dump has a 3-axle tractor pulling a 2-axle trailer with dual tires, in the EU trailers often have 3 axles and single tires. The key advantage of a semi end dump is a ...

  8. Tail lift - Wikipedia

    en.wikipedia.org/wiki/Tail_lift

    A hydraulic cantilever tail lift on the back of a truck Four stages of deployment on an ambulance tail lift Control for a tail lift. A tail lift (term used in the UK, also called a "liftgate" in North America) is a mechanical device permanently installed on the rear of a work truck, van, or lorry, and is designed to facilitate the handling of goods from ground level or a loading dock to the ...

  9. Tractor - Wikipedia

    en.wikipedia.org/wiki/Tractor

    The Ford N-series tractor helped revolutionize modern mechanized agriculture with its Ferguson three point hitch. A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction.