A trailer is an unpowered vehicle towed by a powered vehicle. It is commonly used for the transport of goods and materials.
Utility trailer with a folded loading ramp
A boat on a single-axle trailer
ACP Backtracking genset trailer
Touristic road train in Nantes, France. It has three trailers.
A recreational vehicle, often abbreviated as RV, is a motor vehicle or trailer that includes living quarters designed for accommodation. Types of RVs include motorhomes, campervans, coaches, caravans, fifth-wheel trailers, popup campers, and truck campers.
An example of a Class C recreational vehicle, recognisable by the extension of the cabin over the cab
Motor home
1933 car and tourist observation trailer
1970s Hanomag-Henschel Orion