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  2. Ballast tractor - Wikipedia

    en.wikipedia.org/wiki/Ballast_tractor

    It is designed to utilize a drawbar to pull or push heavy or exceptionally large trailer loads which are loaded in a hydraulic modular trailer. When feasible, lowboy-style semi-trailers are used to minimize the height of a load's center of mass. Typical drivetrains are 6×4 and 6×6, but 8×6 and 8×8 are also available. Typical ballast tractor ...

  3. Bulk-handling crane - Wikipedia

    en.wikipedia.org/wiki/Bulk-handling_crane

    Working the grab requires extra cables from the crane jib, so requires a specialised design of crane throughout, not merely an attachment. Some grabs use 2 cables for lift and control, others use 4. In 1927, Stothert & Pitt of Bath, Somerset produced the first specialised bulk-handling crane. [1] This was to unload coal at Barking power station ...

  4. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    The tractor and linkage are painted gold. The grey bars are a separate implement (a towing ball hitch) attached to the linkage. The three-point hitch is made up of several components working together. These include the tractor's hydraulic system, attaching points, the lifting arms, and stabilizers.

  5. Link-Belt Cranes - Wikipedia

    en.wikipedia.org/wiki/Link-Belt_Cranes

    These small-capacity excavators initially mounted on the back of tractors, either farm or industrial varieties. This opened the excavator market to general contractors. Marketing Materials for Link-Belt Speed-O-Matic Hydraulic Controls Link-Belt LS-98 crane. The LS-98 crane and crane-excavator continued in production for 42 years (1954 to 1996).

  6. Mobile crane - Wikipedia

    en.wikipedia.org/wiki/Mobile_crane

    Hiab invented the world's first hydraulic truck mounted crane in 1947. [3] The name, Hiab, comes from the commonly used abbreviation of Hydrauliska Industri AB, a company founded in Hudiksvall, Sweden in 1944 by Eric Sundin, a ski manufacturer who saw a way to utilize a truck's engine to power loader cranes through the use of hydraulics.

  7. Hydrauliska Industri AB - Wikipedia

    en.wikipedia.org/wiki/Hydrauliska_Industri_AB

    The name, Hiab, comes from the commonly used abbreviation of Hydrauliska Industri AB, a company founded in Hudiksvall, Sweden 1944 by Eric Sundin, a ski manufacturer who saw a way to utilize a truck's engine to power loader-cranes through the use of hydraulics. Hiab invented the world's first hydraulic truck-mounted crane in 1947. [1]