Galvanized Frame -Backed by a 10-Year Structural Warranty (Painted Frame 5-Year) 4″ Steel Tube Main Frame (Double Tube) & 16″ On-Center Crossmembers HD Drop Leg Jack 2 5/16″ Coupler Standard Accessories Interior & Exterior Electric Brakes on Both Axles Flow-Through Ventilation System Wall-Mounted Vertical E-Tracks (8 total) Roof-Mounted Vertical E-Tracks (2 total) All LED Lighting – Interior & Exterior 7-Way Bergman Electrical Plug LED Breakaway Safety Kit Heavy-Duty Ramp Door with ramp handle & bar locks 36″ Side Access Door with flush lock & bar lock Anti-Skid Coated Flooring & Ramp WARRANTY Frame Structure: Painted Frame: 5 – Year warranty Galvanized Frame: 10 – Year warranty Dexter Axles: 5 – Year warranty on Dexter axles. Lionshead Tires: 5 – Year warranty on their tires & wheels. Safe Assist Cable-Free Ramp: Austin Hardware & Supply, Inc. offers a 5-year warranty. CellTech Metals Panels: 10 – Year CellTech Metals panel delamination warranty.