GVWR vs GCWR vs Payload
Four ratings govern every towing setup. Mix them up and you will either leave capability on the table or — worse — overload something expensive. Here they are, plainly:
1. GVWR — Gross Vehicle Weight Rating
The maximum your vehicle alone may weigh: curb weight + fuel + passengers + cargo + tongue weight. On your door jamb sticker. If your truck weighs 5,600 lbs with a 7,000-lb GVWR, you have 1,400 lbs of payload left.
2. Payload
GVWR minus curb weight — what you can carry. The silent killer of towing plans: a family of four plus 800 lbs of tongue weight can max out a half-ton's payload while the trailer is still 2,000 lbs under the tow rating.
3. GCWR — Gross Combined Weight Rating
The maximum for truck + trailer + everything in both, combined. Even if trailer weight is under your tow rating and payload checks out, the total rolling weight must stay under GCWR.
4. Towing capacity
The maximum trailer weight. The headline number — and necessary, but not sufficient on its own.
The 60-second check
- Trailer weight ≤ towing capacity (aim ≤ 80%)
- Tongue weight + passengers + cargo ≤ payload
- Loaded truck + loaded trailer ≤ GCWR
Our towing calculator runs checks 1 and 2 for you automatically.
Frequently asked questions
What is GVWR?
Gross Vehicle Weight Rating: the maximum your vehicle alone may weigh, fully loaded with fuel, passengers, cargo and tongue weight. Found on the driver's door jamb sticker.
What is GCWR?
Gross Combined Weight Rating: the maximum allowable weight of your entire rig — loaded truck plus loaded trailer. This is the number that actually caps most towing combinations.
What is the difference between payload and towing capacity?
Payload is weight carried in or on the vehicle (passengers, cargo, tongue weight). Towing capacity is weight pulled behind it. You must respect both — and tongue weight counts against payload.