2010 Jeep Wrangler Owner's Manual - Page 420

STARTING AND OPERATING 419 Payload The payload of a vehicle is defined as the allowable load weight a truck or any given vehicle can carry, including the weight of the driver, all passengers, options and cargo. Tire Size The tire size on the label represents the actual tire size on your vehicle. Replacement tires must be equal to the load capacity of this tire size. Rim Size Gross Axle Weight Rating (GAWR) This is the rim size that is appropriate for the tire size The GAWR is the maximum permissible load on the front listed. and rear axles. The load must be distributed in the cargo Inflation Pressure area so that the GAWR of each axle is not exceeded. This is the cold tire inflation pressure for your vehicle for Each axle's GAWR is determined by the components in all loading conditions up to full GAWR. the system with the lowest load carrying capacity (axle, Curb Weight springs, tires, or wheels). Heavier axles or suspension The curb weight of a vehicle is defined as the total weight components, sometimes specified by purchasers for inof the vehicle with all fluids, including vehicle fuel, at full creased durability, does not necessarily increase the vecapacity conditions, and with no occupants or cargo hicle's GVWR. loaded into the vehicle. The front and rear curb weight values are determined by weighing your vehicle on a commercial scale before any occupants or cargo are added. 5