If the wheel is bent; bearing , tie rod end, or steering rack damage can be the result. If it's a rear wheel trailing arm and stub axle damage are high on the list.

Big front wheel, which also is the drive wheel and the steering wheel and the braked wheel. Pedals permanently fixed to the axle of the front wheel. Small trailing rear wheel. Both wheels spoked, built of steel, and with solid rubber tires.

They are the same, they are mounted parallel to the frame and control the motion of the wheel/axle.

The Union Pacific "big boy" ; 4 wheel lead truck - 8 drive wheels - 8 (more) drive wheels - 4 wheel trailing truck.

A 4-4-4-4 steam locomotive, in the Whyte notation for describing locomotive wheel arrangements, has a four-wheel leading truck, two sets of four driving wheels, and a four-wheel trailing truck