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Trailer Couplers Compatible with 50mm Hitch Ball


is there a std on europe/usa for 2inch trailer coupler/recivers or 50mm is different. in Thailnd they make 50mm receivers and ball mounts. thats 0.8 mm difference. Some web sites interchange but if they make tight receier then the coupler will not slide in. Im confused.


Expert Reply:

A 50mm hitch accessory, such as a hitch ball like # 63912 or # EH53C-C, is slightly smaller than 2-inches, 1.968-inches to be exact. There are multi-fit couplers like # T4845000 and # T2343400183 that will work fine with three hitch ball sizes, 1-7/8-inch, 2-inch and 50mm. The 50mm size did indeed originate in Europe.

I recommend using only a coupler that is designed specifically to fit the 50mm ball size.

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