In agriculture, dump trucks are often used as agricultural trailers for transporting materials such as grains. It can be towed by a tractor to meet the needs of different scale agricultural operations. In addition, the fuel consumption rate of dump trucks is relatively low, especially in poor road conditions, which is more economical than car transportation.

The appearance of travel trailers usually presents shapes such as rectangular, quasi rectangular, teardrop shaped, or elliptical. Its volume is moderate, which can meet the living space needs of a family and can also be easily dragged by a family car. This type of RV is particularly popular in the United States and is a classic model among trailer RVs.