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2. Slide hammer - Wikipedia

   en.wikipedia.org/wiki/Slide_Hammer

   A slide hammer is a tool that attaches to an object needing to be pulled and transmits an impact force to the object without striking the object itself. Slide hammers typically consist of a long metal shaft with an attachment point at one end, a heavy weight that can slide along the shaft, and a stop for the weight to impact on the end opposite ...

3. Spike puller - Wikipedia

   en.wikipedia.org/wiki/Spike_puller

   A typical spike puller is a small, two axle machine. Most spike pullers are designed only to remove spikes on one side of the tracks, meaning that two machines must be used together to remove all the spikes from both rails. Some larger spike pullers are designed to pull spikes on both rails at the same time, these are known as two rail or dual ...

4. 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.

5. Mechanical advantage device - Wikipedia

   en.wikipedia.org/wiki/Mechanical_advantage_device

   Wheel and axle motion (e.g. screwdrivers, doorknobs): A wheel is essentially a lever with one arm the distance between the axle and the outer point of the wheel, and the other the radius of the axle. Typically this is a fairly large difference, leading to a proportionately large mechanical advantage.

6. Spike maul - Wikipedia

   en.wikipedia.org/wiki/Spike_maul

   The head is typically over 12 inches (30 cm) long to allow the user to drive spikes on the opposite side of the rail without breaking the handle. Some spike mauls have symmetrical heads, but most have a slightly longer thinner side and a shorter larger diameter side of equal weight. The long side allows a user to spike over abnormally tall ...

7. Wheel slide protection - Wikipedia

   en.wikipedia.org/wiki/Wheel_slide_protection

   Wheel Slide Protection (WSP) equipment is generally fitted to passenger trains to manage the behavior of wheel sets in “low adhesion” (reduced wheel/rail friction) conditions. It is used when braking and may be considered analogous to anti-lock braking (ABS) in cars. The system can also be used to control (or provide an input to) the ...