4″ Hydraulic Cylinder, Breakaway Brake System, Stake Pockets, DOT Lighting, Safety Chains, Landscape Ramp, A-Frame Tongue Jack, Rub Rail, 20″ Solid Steel Sides, Dual 5200lb Leaf Spring E-Z Lube Axles, Interior Dimensions 72″W x 12’L, 2 5/16″ Ball Coupler, Tires 225/75/R15 Radials