4-6-6-4 meaning in French

challenger (locomotive)

Railroads that used the Challenger type locomotive include: The Challenger Type Locomotive The Union Pacific Challenger Roster Web Site of ToyTrains1 4-6-6-4 Challenger Steam Locomotives
Classification des locomotives Disposition des essieux The Challenger Type Locomotive The Union Pacific Challenger Roster Web Site of ToyTrains1 4-6-6-4 Challenger Steam Locomotives Portail du chemin de fer