The Christie tank embodied the ability to operate both on tracks and on large, solid-rubber-tired bogie wheels.
He duckwalked up to the hatch and climbed down a massive bogie wheel to the ground.
The Mail train's buffers penetrated the plating of the tender and the bogie wheels were thrown off the track, but the engine did not reach the crashed coaches.
They were nicknamed "steam rollers" because of their small solid bogie wheels.
At speed there could be longitudinal movement, due to the fact that locomotive had no bogie wheels, only 5 rigid axles.
Two bogie wheels were suspended on a single bell crank with two bell cranks per side.
The four trailing bogie wheels were added to enable more fuel to be carried and to give additional stability when running bunker-first.
Hara designed a bell crank scissors suspension which paired the bogie wheels and connected them to a coil spring mounted horizontally outside the hull.
In 1955 the Ra-series had proved successful with bogie wheels.
A number of the covers were buckled and some of the bogie wheels torn free, so that it had shed one track.