Spartan trailers were specifically engineered to be tough, durable, and come ready to be customized exactly how the customer needs it to be. Some of the available options for Spartan Trailers include: adding more cross members for increased strength, increasing the axle size, adding wall or floor D-mounts and E-tracks, increasing the trailer height, increasing the trailer skin thickness, and adding doors, vents, and windows. Spartan Trailers also have a host of packages for different applications such as motorcycles and racing.