A dual-axle system refers to a vehicle or trailer that has two axles, which are sets of wheels that support the weight and allow for movement. This design enhances stability and weight distribution, making it ideal for carrying heavier loads. Dual-axle setups are commonly found in trucks, trailers, and campers. Having two axles also improves traction and control, especially on uneven or slippery surfaces. This feature is beneficial for off-road vehicles and heavy-duty trailers, as it helps prevent swaying and enhances overall safety during transport.