Payload
The payload of a vehicle is defined as the allowable load weight a truck can carry,
including the weight of the driver, all passengers, options and cargo.
Gross Axle Weight Rating (GAWR)
The GAWR is the maximum permissible load on the front and rear axles. The load
must be distributed in the cargo area so that the GAWR of each axle is not
exceeded.
Each axle GAWR is determined by the components in the system with the lowest
load carrying capacity (axle, springs, tires or wheels). Heavier axles or suspension
components sometimes specified by purchasers for increased durability does not
necessarily increase the vehicle’s GVWR.
Tire Size
The tire size on the Vehicle Certification Label represents the actual tire size on
your vehicle. Replacement tires must be equal to the load capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire size listed.
Inflation Pressure
This is the cold tire inflation pressure for your vehicle for all loading conditions up
to full GAWR.
Curb Weight
The Curb Weight of a vehicle is defined as the total weight of the vehicle with all
fluids, including vehicle fuel, at full capacity conditions and with no occupants or
cargo 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.
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