Towing Capacity & Payload Calculator
Enter your vehicle's ratings and trailer details to get a safe/unsafe towing assessment.
Find GVWR on the door jamb sticker. Find curb weight and GCWR in your owner's manual.
Common Vehicle Towing Reference
| Vehicle | GVWR (lbs) | Tow Rating (lbs) |
|---|---|---|
| Ford F-150 3.5L EcoBoost | 7,050 | 13,200 |
| Chevy Silverado 1500 6.2L | 7,100 | 13,300 |
| Ram 1500 5.7L Hemi | 6,900 | 12,750 |
| Toyota Tundra 3.5L TT V6 | 7,385 | 12,000 |
| Toyota Tacoma 3.5L V6 | 4,700 | 6,800 |
| Ford Bronco 2.3L | 5,500 | 3,500 |
| Jeep Wrangler JL 2.0T | 5,000 | 3,500 |
Ratings are for specific configurations. Always verify in your vehicle's owner's manual — configuration, axle ratio, and tow package affect ratings significantly.
GVWR vs Curb Weight Explained
Curb weight is how much your vehicle weighs empty with fluids. GVWR (Gross Vehicle Weight Rating) is the maximum total weight — vehicle plus everything in it (passengers, cargo, tongue weight). Payload capacity is the difference: GVWR minus curb weight. Exceeding GVWR stresses suspension, frame, brakes, and tires, and can void your warranty and insurance coverage in an accident.
Why Tongue Weight Matters
Tongue weight is the downward force the trailer hitch puts on your vehicle's rear. Too little tongue weight (under 10% of trailer weight) causes the trailer to sway dangerously, especially at highway speeds. Too much tongue weight overloads the rear axle and lifts the front axle, reducing steering and braking effectiveness. The ideal range is 10–15% of total trailer weight. A weight distribution hitch can redistribute tongue weight across all axles on heavy trailer setups.
Brake Controllers
Any trailer over 3,500 lbs should have its own brakes, controlled by an in-cab brake controller. Proportional brake controllers modulate trailer braking force based on your vehicle's deceleration rate — the safest and most progressive type. Time-delayed controllers apply a preset amount of braking regardless of your deceleration. Most states legally require trailer brakes above 3,000–4,000 lbs — check your state's specific requirement.
The 80% Rule for Towing Longevity
Consistently towing near your rated maximum accelerates wear on the transmission, cooling system, engine, and hitch. A commonly recommended practice is to stay within 80% of your rated capacity for everyday towing. Your vehicle's cooling system, automatic transmission, and engine work significantly harder at 100% capacity versus 80%. If you regularly tow heavy loads, consider a transmission cooler, upgraded brake pads, and more frequent fluid changes.