A tilt trailer is a type of vehicle that uses the weight of its cargo to provide traction, allowing it to move along an incline without using wheels. They typically have a large platform in the rear that tilts, providing the extra traction. The trailers can also be equipped with springs or other mechanisms to provide additional support and elevation when needed. They are most useful when used to transport goods up and down steep hills or in other difficult terrain. They can also be used for a variety of other purposes, such as transporting heavy equipment or materials.