EntityQ893103· pop 5· linked from 75 articlesBooster engineSign in to saveextra cylinders on a steam locomotive, driving the trailing truck or a tender truck, to give more power on startingConnectionsNorth AmericaEntityInternational Standard Book NumberEntitysteam engineEntitysteam locomotiveEntitypistonEntityCanadian Pacific RailwayEntitypound per square inchEntitytenderEntitytrain driverEntityboosterEntitypound-forceEntityboreEntitytractionEntityLondon and North Eastern RailwayEntityNew York Central RailroadEntityPennsylvania RailroadEntity2-8-2EntityNigel GresleyEntitytrailing wheelEntityGreat Northern RailwayEntityCategoriesLocomotive parts