EntityQ4127666· pop 11· linked from 301 articlesassisting engineSign in to savelocomotive used to assist trains up steep inclinesConnectionsrailway couplerEntitydouble-headingEntityDenver and Rio Grande Western RailroadEntityUnited KingdomCountrySloveniaCountryPennsylvaniaEntityAlpsEntitytrainEntityPuneCitylocomotiveEntityrail transportEntityKoperEntitysteam locomotiveEntityWorcestershireEntitytrack gaugeEntityper milleEntitybrakeEntityWestern United StatesEntitytraffic congestionEntityelectric locomotiveEntityCategoriesRail transport operations