| Axle | GAWR | Weight | Margin |
|---|
Why Axles Are Rated Separately
Your vehicle has a total weight limit, but each axle also has its own Gross Axle Weight Rating. The front and rear axles, with their tires and wheels, are engineered to carry only so much. A load can stay under the overall GVWR yet still overload one axle, which is unsafe and is exactly what scale operators look for.
The Hidden Overload
Tongue or pin weight, a loaded bed, or a heavy camper can pile weight onto the rear axle while the front sits light. Because the total still looks fine, drivers miss it. Overloading an axle stresses bearings, tires, and brakes on that end and hurts steering and stopping, so checking each axle separately catches problems the total never reveals.
How to Weigh by Axle
Drive onto a certified scale, commonly a truck-stop CAT scale, with the vehicle loaded as you will travel. It reports each axle independently. Compare those numbers to the GAWR figures on your door-jamb sticker, and rebalance cargo if either axle is close to or over its rating.
Frequently Asked Questions
Where do I find my GAWR?
On the certification label inside the driver’s door jamb, listed separately for front and rear, along with the GVWR.
Can I be under GVWR but over a GAWR?
Yes, and it is common with trailers and truck campers. An unbalanced load can max one axle while the total stays legal, so both checks matter.
How do I fix an overloaded axle?
Move cargo toward the lighter axle, adjust trailer balance, or remove weight. Air helper springs support sag but do not raise the axle’s GAWR.