Trailing wheel
Videos
On a steam locomotive, a trailing wheel or trailing axle is generally an unpowered wheel or axle located behind the driving wheels. The axle of the trailing wheels is usually located in a trailing tru
The trailing wheels (boxed) on Pennsylvania Railroad 1737
A "Delta" type trailing truck, fabricated using a one-piece casting by Commonwealth Steel Company
Driving wheel
Videos
On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons. On a conventional, non-articulated locomotive, the driving wheels are all coupled together with s
The driving wheels (boxed) on Pennsylvania Railroad 1737
Traction motor for a German locomotive
Half of the driving wheels of Milwaukee Road 261
One of six 6 ft 8 in (2.03 m) driving wheels belonging to 60163 Tornado