3 in Hitch Pin Lock for Class V Hitches - Patented Weatherproof

Our review looks at the Rhino USA 3 in Trailer Hitch Pin, a heavy-duty locking receiver pin built for anyone who tows frequently and wants a simple, reliable anti-theft solution. The bottom line: this pin is for owners of Class V 3 in x 3 in hitches who need robust, tamper-resistant security with a weatherproof cap; its solid steel construction and patented slide cover make it an obvious choice when protection and low maintenance are the priorities.

Key Features

• American owned family business: Backed by USA-based customer support, buyers get direct access to the maker for help and warranty service.
• Solid steel construction: The heavy-duty build delivers maximum security and stands up to regular towing use without bending or failing.
• Fits 3 in hitches: Designed specifically for Class V 3 in x 3 in receiver openings to provide a tight, reliable connection for trailers and RVs.
• Patented slide cap: The weatherproof cover blocks dirt, mud, and debris, keeping the locking mechanism clean and prolonging service life.
• Lifetime replacement: The real lifetime replacement promise removes long-term risk, with replacements or refunds if issues arise.

Who It's For

This hitch pin is aimed at owners of Class V trucks, trailers, and RVs that require a secure, tamper-resistant pin for regular towing. It suits drivers who value a heavy-duty, low-maintenance solution with a weatherproof design and want direct support from a family-run USA business.

People who use smaller Class III hitches, or who need a pin sized for nonstandard or proprietary hitch systems, should verify fit carefully before purchasing. Users with unique receiver tolerances on some trucks may need to check compatibility first.

Pros & Cons

Pros

• Solid steel design provides clear durability and security against theft attempts.
• Patented slide cap keeps grit out of the lock for reliable operation in wet or muddy conditions.
• Lifetime replacement offers peace of mind for long-term ownership.
• Simple to use and fits standard Class V 3 in x 3 in receivers for straightforward installation.

Cons

• Some users report fit differences on nonstandard hitches, so compatibility should be checked for certain truck models.
• Finish may show wear over very long use, though function remains intact.

Specifications

Our Verdict

For anyone towing with a Class V receiver who wants straightforward, long-lasting security, this hitch pin is a sensible buy; its solid steel build, weatherproof slide cap, and lifetime replacement make it good value for regular towing work and long-term ownership.

Frequently Asked Questions

Will this fit my 3 in hitch?
Yes, it is designed for Class V 3 in x 3 in receivers; verify your receiver measures 3 in to ensure proper fit.

Does the cap keep out mud and water?
The patented slide cap is intended to block dirt and debris and helps protect the locking mechanism from mud and grit.

What happens if it fails?
Rhino USA offers a lifetime replacement policy, so you can get a replacement or refund if you encounter issues.