Sometimes, but in this context it means a smallish semi-permanent house that's built at a factory, then transported to a site on a flatbed truck. They can be moved, but they usually aren't.
>A mobile home (also trailer, trailer home, house trailer, static caravan, residential caravan) is a prefabricated structure, built in a factory on a permanently attached chassis before being transported to site (either by being towed or on a trailer).