§ 119. House coach. Any vehicle motivated by a power connected therewith or propelled by a power within itself, which is or can be used as the home or living abode or habitation of one or more persons, either temporarily or permanently. In the application of this chapter to house coaches, a house coach propelled by a power within itself shall be deemed a motor vehicle, a house coach motivated by a power connected therewith shall be deemed a trailer, and all house coaches shall be deemed vehicles.