Trailer Ball
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Curt Trailer Ball

Part No. 40030 Warranty Details  
The CURT 2 5/16" trailer ball does not mess around. Simply put, it is a solid piece of towing equipment that makes all others look like they're just spinning their wheels. CURT 2 5/16" trailer balls are made with expert engineering to be packed with strength and durable enough to withstand the harsh wear of heavy-duty towing. Anything your class 5 trailer hitch and class 5 ball mount can handle, CURT has a 2 5/16" trailer ball to match. These tow balls are perfect for towing all types of heavy receiver-style trailers, including dump trailers, toy haulers, farm trailers, chopper boxes, dual-axle utility trailers, deluxe RVs, small yachts and more (NOTE: Never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc.).This 2 5/16" trailer ball features a ball capacity of 15,000 lbs. It features a 1 1/4" shank diameter, a 2 5/8" shank length, 0" of rise and a nickel-chrome finish to protect against the elements. To give you the power you need to tow with confidence, CURT 2 5/16" trailer hitch balls are thoroughly tested for safety and meet U.S. VESC specifications.

Product Features:
  • Fits 2 5/16" couplers and accepts up to 15,000 lbs. GTW
  • Constructed from high-strength, hot-forged steel
  • Heat-treated for optimum wear resistance
  • Protected by a durable chrome-plated finish
  • Zinc-plated hex nut and helical lock washer for secure mounting
  • Features fine threads for superior holding strength
  • Tested for safety to meet U.S. VESC V-5 specifications
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1 Question | 1 Answer
Displaying question 1
  • Q:

    what size ball is it and shank
    Asked on 10/1/2012 by tony from buffalo ny

    1 answer

    • CUSTOMER CARE

      A:

      The specifications of this part Curt Trailer Hitch Ball, Part No. 40030 are: ball diameter: 2-5/16", shank diameter: 1-1/4", shank length: 2-5/8", capacity: 15,000 lbs, fits drawbars from 3/4" to 1" thick.
      For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist you.

      Answered on 10/1/2012 by Aaron from AAP
Displaying question 1

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