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2. 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.

3. Bogie - Wikipedia

   en.wikipedia.org/wiki/Bogie

   A bogie (/ ˈboʊɡi / BOH-ghee) (or truck in North American English) is a chassis or framework that carries a wheelset, attached to a vehicle—a modular subassembly of wheels and axles. Bogies take various forms in various modes of transport. A bogie may remain normally attached (as on many railroad cars and semi-trailers) or be quickly ...

4. Great Western Railway wagons - Wikipedia

   en.wikipedia.org/wiki/Great_Western_Railway_wagons

   Those with just one or two side planks and an 8 ton capacity were built until 1872 by which time 9 ton, four-wheel, three-plank wagons were being constructed. 1886 saw the introduction of four-plank wagons which were rated to carry 10 tons but a few longer ones (18 feet (5.5 m) instead of the usual 16 feet (4.9 m)) were rated at 12 tons.

5. Well car - Wikipedia

   en.wikipedia.org/wiki/Well_car

   A well car, also known as a double-stack car (or also intermodal car / container car), is a type of railroad car specially designed to carry intermodal containers (shipping containers) used in intermodal freight transport. The "well" is a depressed section that sits close to the rails between the wheel trucks of the car, allowing a container to ...

6. Steering - Wikipedia

   en.wikipedia.org/wiki/Steering

   Steering. Steering is the control of the direction of motion [ 1 ] or the components that enable its control. [ 2 ] Steering is achieved through various arrangements, among them ailerons for airplanes, rudders for boats, cylic tilting of rotors for helicopters, [ 3 ] and many more.

7. Slickline - Wikipedia

   en.wikipedia.org/wiki/Slickline

   Slickline is more commonly used in production tubing. The wireline operator monitors at surface the slickline tension via a weight indicator gauge and the depth via a depth counter 'zeroed' from surface, lowers the downhole tool to the proper depth, completes the job by manipulating the downhole tool mechanically, checks to make sure it worked if possible, and pulls the tool back out by ...