|Type||Common Steam (100%)|
|Shop Info: Gold||Shop Info: Gems|
|Buy XP||80||Buy XP|
|Used in achievement:
Added to the Shop at an unknown date.
|A four-wheeled configuration where all the wheels are driving wheels uses all the locomotive's weight for traction, but is inherently unstable at speed. The type was therefore mainly used for switchers. They were used in situations where tighter radius curves existed or the shorter length was an advantage. Thus they were commonly employed in dockyard work, industrial tramways, or as shop switchers. The wheel arrangement is also used on specialised types such as fireless locomotives, crane tanks, tram engines, and geared steam locomotives.|