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Hot box (rail)
Overheating of railway rolling stock
Texto en inglés
A hot box is the term used when an axle bearing overheats on a piece of railway rolling stock. The term is derived from the journal-bearing trucks used before the mid-20th century.
Texto: Wikipedia en inglés, CC BY-SA 4.0. · Imagen: Department of the Army, Washington DC (Public domain) ·