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  2. Axle load - Wikipedia

    en.wikipedia.org/wiki/Axle_load

    The axle load of a wheeled vehicle is the total weight bearing on the roadway for all wheels connected to a given axle.Axle load is an important design consideration in the engineering of roadways and railways, as both are designed to tolerate a maximum weight-per-axle (axle load); exceeding the maximum rated axle load will cause damage to the roadway or railway tracks.

  3. Axle - Wikipedia

    en.wikipedia.org/wiki/Axle

    In a solid, "live-axle" suspension system, the rotating inner axle cores (or half-shafts) serve to transmit driving torque to the wheels at each end, while the rigid outer tube maintains the position of the wheels at fixed angles relative to the axle, and controls the angle of the axle and wheels assembly to the vehicle body. The solid axles ...

  4. UIC classification of locomotive axle arrangements - Wikipedia

    en.wikipedia.org/wiki/UIC_classification_of...

    Two bogies or wheel assemblies under the unit. Each bogie has one powered axle, one idle axle, and one more powered axle. All powered axles are individually driven by traction motors. BB Four powered axles all mounted in the locomotive's frame, driven in pairs, i.e. each pair of axles is connected by driving rods or gears. Compare with "D" below.

  5. List of railroad truck parts - Wikipedia

    en.wikipedia.org/wiki/List_of_railroad_truck_parts

    An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.

  6. Rear mid-engine, rear-wheel-drive layout - Wikipedia

    en.wikipedia.org/wiki/Rear_mid-engine,_rear...

    RMR layout; the engine is located in front of the rear axle. Rear Mid-engine transversely-mounted / Rear-wheel drive. In automotive design, an RMR, or rear mid-engine, rear-wheel-drive layout is one in which the rear wheels are driven by an engine placed with its center of gravity in front of the rear axle, and thus right behind the passenger compartment.

  7. Federal Bridge Gross Weight Formula - Wikipedia

    en.wikipedia.org/wiki/Federal_Bridge_Gross...

    Increased axle lengths beyond these do not increase maximum legal weight. [11] 6 __ Exception to the formula: when the four axles under consideration are two tandem axles spaced at least 36 feet (10.97 m) apart, a gross weight of 68,000 pounds (30,844 kg) is allowed. [11] __ Upper blank areas represent unrealistic configurations. [4]

  8. Wheel and axle - Wikipedia

    en.wikipedia.org/wiki/Wheel_and_axle

    A tangential force applied to the periphery of the large disk can exert a larger force on a load attached to the axle, achieving mechanical advantage. When used as the wheel of a wheeled vehicle the smaller cylinder is the axle of the wheel, but when used in a windlass , winch , and other similar applications (see medieval mining lift to right ...

  9. Axle loads - Wikipedia

    en.wikipedia.org/?title=Axle_loads&redirect=no

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    related to: axle loads explained diagram worksheet template printable blank word