Then you have not seen the factory built modular home type that is not a trailer.
See
Prefab tour , for the specifics of the no trailer type m,odulat home. Nothe the move the modules around on a specially built flatbed.
Edit: I realize the photo above may be form a "trailer" type modular home.
[This message has been edited by classicsat (edited 07-28-2004).]