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Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →U-Haul trailers take either a 1-7/8-inch or a 2-inch hitch ball, and the ball must also be rated for the total weight you will tow. The phrase “ball mount” usually gets used for both the ball and the bar that carries it, so the first thing to settle is which measurement your trailer actually needs. The ball’s diameter is the 1-7/8-inch or 2-inch figure. The mount is the part that links your vehicle’s receiver to the trailer’s coupler, and it is judged by receiver fit and drop or rise, not by the ball’s size.
The ball size U-Haul specifies
U-Haul’s trailer FAQ answers the question “What size hitch ball do U-Haul trailers and towing equipment need?” with this statement: “U-Haul couplers take either a 2″ or 1-7/8th” ball.” The same answer requires a ball rated for the total weight to be towed. U-Haul’s Trailer Rentals FAQ is the primary source for that wording.
U-Haul’s trailer user instructions say the same thing: 1-7/8-inch and 2-inch hitch balls are both acceptable. The instructions add that a U-Haul representative can confirm the correct size and weight rating for a specific trailer.
Ball, ball mount, receiver and coupler are four different parts
Most confusion comes from treating these terms as one thing. U-Haul’s hitch-installation guidance describes the ball mount as the connection between the hitch and the coupler, and it says the height of that connection matters.
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#1 Best Overall
- 🚀PRODUCT SIZES: The Triple Ball Hitch with Hook including 1-7/8", 2" and 2-5/16"plating black balls. This three ball hitch is compatible with all standard 2" receivers.
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| Term | What it is | What to check |
|---|---|---|
| Hitch ball | The round ball the trailer coupler clamps onto | Diameter (1-7/8 inch or 2 inch) and load rating for total towed weight |
| Ball mount | The bar or assembly that holds the ball and fits into the vehicle receiver | Receiver fit and drop or rise, so the trailer sits level |
| Receiver | The square tube on the vehicle that accepts the ball mount | Its opening size, which is separate from the ball diameter |
| Coupler | The socket on the trailer tongue that sits on the ball | Diameter it accepts and its height above the ground; U-Haul’s guidance gives a standard coupler height of 18 inches |
The 18-inch figure is the coupler height stated in U-Haul’s 2026 hitch guidance. It is not a ball size, and the guidance itself says to verify the height on your own setup.
How to confirm the right ball for your rental
- Find the trailer model on your rental agreement and check its product page on U-Haul’s site. Some models list their own ball requirement.
- If the page lists a ball diameter and a minimum rating, use those figures. If it does not, call U-Haul or ask at the location and request the size and weight rating for that specific trailer.
- Measure the diameter of the ball you already own with a caliper or a precise ruler. A 1-7/8-inch ball and a 2-inch ball look similar, and the difference is about 1/8 inch.
- Check the ball’s stamped load rating and compare it with the total weight of the loaded trailer plus the trailer’s own weight, not just the cargo.
- Confirm that the receiver and ball mount put the trailer coupler at a workable height, using the 18-inch coupler figure as a reference point and checking the drop or rise of the mount.
Example: the 4×7 utility trailer
U-Haul’s 4×7 utility trailer rental page calls for a 1-7/8-inch or 2-inch hitch ball with a minimum rating of 2,000 pounds. That figure applies to that model only. Other trailers may require a different rating, so use the page for the trailer you are renting.
Rank #2
- Hitch ball size: 1-7/8 inch; 2 inch; 2-5/16 inch
- Receiver size: 2 inch
- Length: 10 inch
- Weight rating 2000/5000/7500 pounds
- Heavy duty black powder coat finish, black hitch ball
When the ball does not fit
- If the coupler will not seat on the ball, the diameter is probably wrong. Re-measure the ball first.
- If the trailer sits nose-high or nose-low when hitched, the mount’s drop or rise is likely the cause, not the ball size.
- If the ball’s rating is below the loaded trailer weight, do not tow with it. Get a ball with a higher rating that is also one of the two accepted diameters.
The official sources do not establish that one diameter is better than the other. They only list both as acceptable for U-Haul couplers.
Quick Recap
Best Value
- DEPENDABLE STRENGTH. This ball hitch is constructed from high-strength steel and is rated to tow up to 7,500 pounds gross trailer weight and 750 pounds tongue weight (limited to lowest-rated towing component)
- VERSATILE USE. This trailer hitch ball mount comes with a 2-inch x 2-inch shank to fit virtually any industry-standard 2-inch receiver. The ball mount also has a 2-inch drop and 3/4-inch rise to promote level towing
- READY TO TOW. Hitching up your trailer is easy with this 2-inch ball mount. It features a 1-inch hole to accept a trailer hitch ball with a 1-inch diameter shank (trailer ball sold separately)
- CORROSION-RESISTANT. For long-lasting use, this ball hitch is protected with a durable black powder coat finish, easily resisting damage from rain, dirt, snow, road salt and other corrosive threats
- EASY TO INSTALL. To install this class 3 hitch ball mount on your vehicle, simply insert the shank into your vehicle's 2-inch hitch receiver. The rounded shank makes installation easy. Then, secure the shank in place with a hitch pin (sold separately)
Rank #4
- No More Hitch Sizing Stress: Orion Motor Tech's trailer hitch ball mount comes with a standard 2 in. receiver, 2 in. ball, 9-1/2 in. drop, and 8-1/4 in. rise for secure towing. Tow everything from fishing boats to RVs, campers, and utility trailers
- Take on Any Haul: This Class III towing hitch is rated for 8,000 lb. GTW and SAE J684 tested for safety. Tow your fully loaded F-150 across the country or haul your next big adventures with total confidence and zero sway
- Top-Tier Trailer Security: Each locking pin is upgraded to a high-level anti-theft lock, ready to use with one key, offering solid protection for your trailer, keeping your load secure, and giving you confidence in safe towing every time
- Built to Resist the Elements: The powder-coated hitch arm and zinc-plated 40Cr steel ball stand up to rain, snow, and salt. Whether you've been towing in snowy winter conditions or near the coast, a quick rinse restores its fresh, like-new shine
- Skip the Tools: Our pre-assembled ball hitch eliminates the need for any tools. Simply slide it into the receiver and secure it in seconds, getting you on the road faster than buckling your seatbelt
Rank #3
- DEPENDABLE STRENGTH — Rated for 7,500 lbs. GTW and 750 lbs. TW, this one-piece Fusion ball mount features a permanently welded 2" trailer ball for dependable towing strength.
- VERSATILE USE — Features a 2" x 2" shank for compatible 2" hitch receivers, a 2" welded trailer ball for compatible 2" couplers, and a 2" drop for level towing.
- SECURE TOWING — Ready for installation with the permanently welded 2" tow ball plus an included hitch pin and retainer clip for securing the ball mount in the receiver.
- CORROSION-RESISTANT — The ball mount is protected with durable gloss-black powder coat, while the permanently attached trailer ball features a polished chrome-plated finish.
- EASY TO INSTALL — Insert the 2" shank into a compatible 2" receiver and secure it with the included hitch pin and clip. Package contains the Fusion ball mount with welded ball, hitch pin and retaining clip.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
