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  2. Fifth-wheel coupling - Wikipedia

    en.wikipedia.org/wiki/Fifth-wheel_coupling

    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 fifth wheel on the rear of the towing vehicle. As the connected truck turns, the downward-facing surface of the semi-trailer (with ...

  3. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    R – this is a radial tire; 16 – this tire fits 16 in (410 mm) rims; 85 – the load index, a maximum of 515 kg (1,135 lb) per tire in this case; H – the speed index, this means the maximum permitted speed, here 210 km/h (130 mph) The tires on a Hummer H1 might be labeled: 37X12.5R17LT. 37 – the tire is 37 in (940 mm) in diameter

  4. Kubota - Wikipedia

    en.wikipedia.org/wiki/Kubota

    Kubota Corporation (株式会社クボタ, Kabushiki-kaisha Kubota) is a Japanese multinational corporation based in Osaka.It was established in 1890. The corporation produces many products including tractors and other agricultural machinery, construction equipment, engines, vending machines, pipe, valves, cast metal, pumps, and equipment for water purification, sewage treatment and air ...

  5. Escorts Kubota Limited - Wikipedia

    en.wikipedia.org/wiki/Escorts_Kubota_Limited

    In June 2022, Kubota increased its stake to 44.80% following an open offer and subscription to new shares, and the company was renamed as Escorts Kubota Limited. [9] Kubota's stake increased to 53.50% after the cancellation of all shares held by Escorts Benefit and Welfare Trust in the company.

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Such an appropriately sized drill is called a tap drill for that size of thread, because it is a correct drill to be followed by the tap. Many thread sizes have several possible tap drills, because they yield threads of varying thread depth between 50% and 100%.

  8. Semi-trailer truck - Wikipedia

    en.wikipedia.org/wiki/Semi-trailer_truck

    Conventional style cab tractor A cab-over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms – see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a ...

  9. Butyl rubber - Wikipedia

    en.wikipedia.org/wiki/Butyl_rubber

    The formula for PIB is: –(–CH 2 –C(CH 3) 2 –) n – The formula for IIR is: It can be made from the monomer isobutylene (CH 2 =C(CH 3) 2) only via cationic addition polymerization. A synthetic rubber, or elastomer, butyl rubber is impermeable to air and used in many applications requiring an airtight rubber.