2007 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 409

Add-On Equipment When you carry removable items, you may need to put a limit on how many people you carry inside your vehicle. Be sure to weigh your vehicle before you buy and install the new equipment. Notice: Overloading your vehicle may cause damage. Repairs would not be covered by your warranty. Do not overload your vehicle. Remember not to exceed the Gross Axle Weight Rating (GAWR) of the front or rear axle. *Equipment Ladder Rack and Cargo Cross Toolbox and Cargo Side Boxes and Cargo Maximum Weight 750 lbs (340 kg) 400 lbs (181 kg) 250 lbs per side (113 kg per side) *The combined weight for all rail-mounted equipment should not exceed 1,000 lbs (454 kg), excluded 1500 crew cab models with 5 ft 8 in (173 cm) box length. A reinforcement kit for rail-mounted add-on equipment is recommended. See your dealer. Ladder racks are not recommended for 1500 crew cab models with 5 ft 8 in (173 cm) pick-up box length. Maximum recommended cross-mounted toolbox and cargo weight is 300 lbs (136 kg) for the 1500 crew cab with 5 ft 8 in (173 cm) pick-up box length. 409