[ry4nolson]

It's a truck that never leaves the warehouse or "lot". They're just used to rearrange/move trailers.

[SoftTalker]

a/k/a a "yard dog"

They are often built with a single-person cab with windows on all sides and in some of them the seat, pedals, and steering column can pivot around so you can drive backwards without looking over your shoulder.

https://typestrucks.com/wp-content/uploads/2019/08/13.jpg