Backed by our guaranteed-fit promise.
When you demand more from your towing gear, the CURT Class 4 Ball Mount delivers exceptional performance. Expertly constructed from high-quality steel, this ball mount is designed to fit trailer hitches with a 2" x 2" shank, making it the perfect companion for CURT Class 4 trailer hitches. It’s ideal for towing a variety of heavy-duty trailers such as large boat trailers, RVs, and livestock trailers. Please note, always adhere to the lowest weight capacity of any towing component, including the vehicle, hitch, and trailer.
This ball mount works with any trailer ball featuring a 1-1/4" ball shank and fits into a trailer hitch receiver with a 2" x 2" opening. Note, trailer ball and hitch pin are sold separately.
Upgrade your towing setup with the reliable and robust CURT Class 4 Ball Mount. It’s engineered to keep up with your demands, day in and day out, ensuring safe and secure towing.
| Specifications: | |
|---|---|
| Receiver Compatibility | Fits 2 Inch Hitch Receiver |
| Maximum Drop | 4 Inch |
| Maximum Rise | 3 Inch |
| Number of Balls | Without Ball |

CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 12000 Pounds 4 Inch Drop 3 Inch Rise 45313
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 12000 Pounds 2 Inch Drop 1 Inch Rise 45312
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 10000 Pounds 2 Inch Drop 1 Inch Rise 45310
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 10000 Pounds 6 Inch Drop 4-3/4 Inch Rise 45336
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 10000 Pounds 8 Inch Drop 6-3/4 Inch Rise 45338
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 12000 Pounds 1 and 1/4 Inch Hole 6 Inch Drop 5 Inch Rise 45446
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CURT Class 4 Trailer Hitch Ball Mount Fits 2 Inch Receiver 12000 Pounds 1 and 1/4 Inch Hole 8 Inch Drop 7 Inch Rise 45448
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CURT Class 3 Trailer Hitch Ball Mount 7500 lbs 2 Inch Receiver 4 Inch Drop 2 Inch Rise 45060
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CURT Class 2 Trailer Hitch Ball Mount Fits 1 and 1/4 Inch Receiver 3500 Pounds 3/4 Inch Hole 1 Inch Drop 3/8 Inch Rise 45503
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CURT Class 2 Trailer Hitch Ball Mount 3500 lbs 1-1/4 Inch Receiver 3-1/4 Inch Drop 2-5/8 Inch Rise 45017
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