Former Wisconsin & Southern F45 No. 1002, now Montana Rail Link No. 392, leads a helper set into Helena, Montana, after pushing a train over Mullan Pass on July 4, 1994. Before a short life on WSOR, No. 392 was Transcisco No. 1002, NRE No. 6642, and was built new as No. 6642 for the Burlington Northern in May 1971.