Tow hitch types, classes, and how to pick the right one
Tow hitches are sized by class and type. Here are the ratings, the receiver sizes, and which hitch suits which trailer and tow vehicle.
A tow hitch is the bracket on your vehicle that accepts a hitch accessory (ball mount, pintle, gooseneck plate, fifth wheel) and transfers the trailer’s load to your frame. The right hitch for your job is set by two things: the class (which sets the maximum trailer and tongue weight) and the type (which sets the style of coupling).
Receiver classes at a glance
| Class | Receiver size | Max GTW | Max tongue weight | Typical use |
|---|---|---|---|---|
| I | 1-1/4 in | 2,000 lb | 200 lb | Bike rack, small utility trailer |
| II | 1-1/4 in | 3,500 lb | 350 lb | Small camper, jet ski |
| III | 2 in | 8,000 lb | 800 lb (1,000 with WDH) | Most travel trailers, mid-size boats |
| IV | 2 in | 10,000 lb | 1,000 lb (1,200 with WDH) | Heavier travel trailers, car haulers |
| V XD | 2 or 2-1/2 in | 17,000 to 20,000 lb | 1,700 to 2,000 lb | Large equipment trailers |
| V CD | 2-1/2 in | 20,000+ lb | 2,500+ lb | Commercial use |
The hitch class does not override the vehicle’s tow rating. A Class IV hitch on a 5,000 lb-rated SUV still gives you 5,000 lb of capacity, not 10,000.
Types of tow hitch
Receiver hitch (bumper-mount)
The standard square-tube receiver bolted to the rear frame. Almost every truck, SUV, and many sedans support one. The 2 inch receiver is the most common size on modern half-ton trucks and full-size SUVs. Class I and II use 1-1/4 inch, Class V CD uses 2-1/2 inch.
Weight distribution hitch (WDH)
Not a separate hitch class. It is a kit that bolts to a Class III, IV, or V receiver and uses spring bars to push load forward to the tow vehicle’s front axle and back to the trailer’s axles. Helpful or required on trailers above roughly 5,000 lb GTW or with tongue weights past 500 lb. Required by most manufacturers above 5,000 lb tow weight on half-ton trucks (read the manual).
Gooseneck hitch
A 2-5/16 inch ball mounted in the bed of a pickup, directly over (or just ahead of) the rear axle. Trailers with a gooseneck coupler drop onto the ball. Capacity typically 25,000 to 38,000 lb GTW depending on the truck. Common for livestock trailers, large equipment trailers, and many flatbeds.
Fifth wheel hitch
A pivoting plate mounted in the truck bed, also over the rear axle. The trailer kingpin locks into the plate. Capacity from 18,000 to 30,000 lb GTW for most heavy-duty pickups. Standard for large RV travel trailers and many work hauls.
Pintle hitch
A hook on the truck couples to a lunette ring on the trailer. Higher articulation than a ball, used for heavy equipment trailers, military, agricultural. Receiver-mounted versions slide into a 2 or 2-1/2 inch receiver.
Bumper-only (step bumper)
The 2 inch ball welded to a factory step bumper on older trucks. Rated only for what the bumper itself supports, typically 3,500 lb GTW and 350 lb tongue weight. Do not use the bumper for heavy towing if the truck has a real receiver behind it.
How to choose
Start with three numbers from your owner’s manual:
- Maximum towing capacity (GCWR minus curb weight, roughly).
- Maximum tongue weight.
- The maximum trailer weight your factory hitch is rated for (often less than the truck’s overall tow rating).
Then match:
- Trailer GTW under your tow vehicle’s rating with margin (90 percent or less is sensible).
- Trailer tongue weight under your hitch’s tongue rating, with or without WDH as required.
- Hitch class equal to or higher than the trailer’s tongue and gross weight.
- Coupler size matches your ball size exactly. A 2 inch coupler on a 2-5/16 inch ball will come off.
Ball sizes that matter
| Ball size | Common rating | Used for |
|---|---|---|
| 1-7/8 in | 2,000 to 3,500 lb | Small utility, jet ski |
| 2 in | 3,500 to 8,000 lb | Most travel trailers under 7,000 lb |
| 2-5/16 in | 6,000 to 30,000 lb | Larger travel trailers, gooseneck |
Always match the ball to the trailer’s coupler size stamped on the latch. A 2 inch coupler will fit loosely over a 1-7/8 ball and may release.
Ford recall worth checking before towing
If you tow with a 2021-2026 F-150, 2022-2026 F-Series Super Duty, 2024-2026 Ranger, 2022-2026 Expedition or Maverick, 2026 Transit, or 2022-2026 Lincoln Navigator, check your VIN against NHTSA recall 26V104000 (Ford 26C10). The Integrated Trailer Module software fault can affect trailer lights and the brake controller. The OTA fix was pushed in March 2026.
Common mistakes
- Buying a Class III hitch and assuming the truck can now pull 8,000 lb when it is only rated for 5,000.
- Forgetting the weight distribution hitch requirement on heavier travel trailers, then fighting trailer sway all summer.
- Mismatched ball and coupler size by 7/16 of an inch.
- Pin and clip in the receiver but no lock, then losing the entire ball mount on a long highway drive.
- Skipping the safety chains because the ball “feels solid.” Chains are required, not optional.
Match the class, type, ball, and coupler to the trailer and the truck. Verify the safety chains, the breakaway switch, and the trailer brake controller. That is the hitch picked correctly.