Tandem 3500lb Axles Brakes on Rear Axle ST205/75R15 6-Ply Tires on 5 Bolt Steel Silver Mod Rims w/EZ Lube Hubs 6" Tubing on Main Frame and Tongue 4" Tubing on Box Frame, 12" Oncentre Crossmembers 3/16" Thick Aluminum Sheeting Floor 18" High Sidewalls Plus 6" Pressure Treated Board On Top 6' Side Mount Ramps Hydraulic Up and Hydraulic Down Piston Tarp and Roller with Tarp Protector 4 D-rings Inside Box 2-5/16" Adjustable Coupler LED Lighting Spare Tire Mount Braided Wiring Harness for Extra Durability Aluminum Toolbox w/Deep Cycle Battery 7,000lb Jack 3 Year Limited Warranty