Articulated and Bogie Steam Locomotives Mallets with less than six coupled axles Mallets with six coupled axles Mallets with more than six coupled axles Mallets (Articulated) with simple expansion Garratt articulated Locomotives Meyer articulated Locomotives Single Fairlie and Mason Bogie articulated Locomotives Double Fairlie and Modified Fairlie articulated Locomotives Shay, Climax and Heisler geared Steam Locomotives
