Every trailer listing, VIN sticker and spec sheet carries four letters that matter more than the paint color or the size: GVWR. It is the number that tells you how much the trailer can safely carry, whether it needs brakes and what kind of truck should pull it. Yet plenty of buyers skim right past it.
Here is what GVWR means on a trailer, how to use it to figure your real cargo capacity, and the mistakes to avoid.
GVWR in One Sentence
GVWR stands for gross vehicle weight rating. It is the maximum the trailer is rated to weigh when fully loaded, counting the trailer itself plus everything on or in it. The manufacturer sets it based on the axles, tires, frame and other components.
The Georgia Department of Public Safety defines it the same way in its motor carrier FAQ: the rating applied by the manufacturer for the maximum total weight of the vehicle and its load.
Where to Find a Trailer's GVWR
- The VIN plate or sticker: usually on the front of the trailer, on the tongue or inside the front of an enclosed trailer.
- The listing: many dealers put the GVWR right in the trailer's title or spec list. On our site you will see it in titles like "7x20 Equipment Trailer 14,000 GVWR."
- The manufacturer's paperwork: the certificate of origin and owner's information list it as well.
GVWR vs. Payload: The Math That Matters
GVWR is not how much you can put on the trailer. To find your real cargo capacity, subtract the trailer's empty weight:
GVWR minus empty trailer weight equals payload.
Here is an example from our own lot. A 7x20 equipment trailer with a 14,000 lb GVWR that weighs about 2,800 lb empty can carry roughly 11,000 lb of cargo. If you assumed you could load 14,000 lb of equipment onto it, you would be about 2,800 lb over the rating.
Empty weight varies a lot by type. As rough reference points, a single-axle 6x12 enclosed trailer runs about 1,200 lb, a dual-axle 7x14 enclosed about 2,000 lb, and a 7x14 dump trailer with 4-foot walls about 4,800 lb. Weights vary from brand to brand, so check the specific unit.
What Sets a Trailer's GVWR
A trailer is only as strong as its weakest rated part. Axle ratings are the usual starting point. Two 3,500 lb axles add up to a 7,000 lb GVWR, which is why you see so many 7,000 lb trailers. Two 5,200 lb axles give 10,400 lb, and heavier axle packages push equipment and dump trailers to 14,000 lb or more. Tires, wheels, springs, the frame and the coupler all carry ratings too, and the manufacturer sets GVWR so none of them is overloaded.
That is why two trailers of the same size can carry very different loads. A 7x20 car hauler on 3,500 lb axles is rated at 7,000 lb, while the same size on 5,200 lb axles is rated at 10,400 lb.
Related Ratings You Will See
- GAWR (gross axle weight rating): the most each axle can carry.
- Tongue weight: the downward force the trailer puts on your hitch, commonly planned at about 10 to 15 percent of the loaded trailer weight for bumper-pull trailers.
- GCWR (gross combination weight rating): the most your tow vehicle and loaded trailer may weigh together. This one comes from your vehicle's manufacturer.
- Towing capacity: the most your vehicle is rated to pull.
Our Towing 101 chapter on determining towing capacity walks through these vehicle-side numbers in more detail.
Why GVWR Matters in Georgia
Brakes
Georgia law requires brakes on all wheels of a trailer with a gross weight of 3,000 lb or more. Gross weight means the trailer plus its load, so a light trailer that carries a heavy load can cross that line.
Business Use
If you use your truck and trailer for business, the combined GVWR matters. Georgia DPS explains that vehicles and combinations with a GVWR of 10,001 lb or more used as part of a business are generally treated as commercial motor vehicles under the safety regulations. Contractors and landscapers pulling a 7,000 lb trailer behind a three-quarter-ton truck can reach that number quickly.
Titles
Georgia titles trailers by weight as well, with trailers over 2,000 lb requiring a title. Ask your county tag office how that applies to the trailer you buy.
Common GVWR Mistakes
- Treating GVWR as payload. Always subtract the empty weight.
- Forgetting the small stuff. Toolboxes, fuel cans, spare tires, water in a tank and ramps all count.
- Ignoring the tow vehicle. A 14,000 lb trailer means nothing if your truck is rated to pull 9,000 lb.
- Guessing on dense loads. Gravel, stone and wet dirt hit the weight limit long before they fill the bed.
Shop by Weight Rating, Not Just Size
When you compare trailers, put GVWR next to size on your list. Browse our equipment trailers for sale and other categories to see weight ratings in each listing, and our trailer FAQ lists typical empty weights for popular sizes. Bring your heaviest load's weight and your vehicle's towing capacity, and we will help you match the two.
Come see us at 8834 Tara Blvd, Jonesboro, GA 30236, just south of Atlanta. We are open Monday to Friday 9 AM to 5 PM and Saturday 9 AM to 4 PM. Call (770) 603-8511 or text (404) 383-8194 and tell us what you need to haul.
Frequently Asked Questions
What does GVWR mean on a trailer?
GVWR, or gross vehicle weight rating, is the maximum a trailer is rated to weigh fully loaded, including the trailer itself and everything on it. The manufacturer sets it based on the axles, tires and frame.
How do I figure out how much my trailer can carry?
Subtract the trailer's empty weight from its GVWR. For example, a 7x20 equipment trailer with a 14,000 lb GVWR that weighs about 2,800 lb empty can carry roughly 11,000 lb of cargo.
Where is the GVWR on a trailer?
Look for the VIN plate or sticker, usually on the tongue or at the front of the trailer. It is also on the manufacturer's paperwork, and many listings include it in the trailer's title.
Does GVWR decide whether my trailer needs brakes in Georgia?
Georgia law ties trailer brakes to gross weight, meaning the trailer plus its load. Trailers with a gross weight of 3,000 lb or more need brakes on all wheels.
Is GVWR the same as towing capacity?
No. GVWR is a rating for the trailer. Towing capacity is a rating for your vehicle. The loaded trailer has to stay within both.