Calculating towing capacity involves understanding three key ratings: tow rating, payload capacity, and hitch rating. Each rating constrains the maximum weight that can be safely towed, and exceeding any of these limits poses safety risks.
Generated from this page. Always verify technical specs.
Matching your tow vehicle to the trailer means staying within tow rating, payload, hitch capacity, and axle ratings. Exceeding any of them is unsafe.
The tow rating is max trailer weight. The truck also has payload capacity—max weight it can carry. Tongue weight (10–15% of trailer weight), passengers, cargo, and WD hitch all count. A truck may tow 10,000 lb but run out of payload. Check the door jamb sticker.
The receiver hitch has max tongue weight and tow capacity. Weight distribution hitches have their own ratings—match to trailer weight.
Your actual loaded weight shouldn't exceed GVWR or the truck's limits. Weigh at a Cat scale. Dry weight on the brochure is meaningless once you load up.
Fifth wheels put more weight on the truck (15–25%). Payload becomes the limiting factor sooner. Bumper pulls with 10–15% tongue weight may need a WD hitch.
No. The tow rating is the limit. Packages may increase the rating but don't exceed what's published.
Diesel trucks often have higher tow and payload ratings. Compare your specific trim.
Yes. Actual weights are the only way to know you're within limits. Use a Cat scale.
If you're diagnosing RV electrical or appliance problems, these guides may help:
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Last updated: March 2026 · Reviewed for technical accuracy