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Universal Part
UPC: 612314003129

Adjustable Ball Mount (2" Shank, 1" Ball Hole) #45812

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  • Features an adjustable shank for maximum height flexibility
  • Fits trailer hitches with a 2" x 2" receiver tube opening
  • Adjusts in 1-1/2" increments for precise trailer leveling
  • Shank can be flipped for a max rise of 6-1/4" and drop of 7-1/2"
  • Equipped with a 1" hole to accept a trailer ball shank
  • Hollow shank weighs less and can be used with an anti-rattle kit
  • CNC-formed, robotically welded and mechanically descaled for a perfect fit
  • Protected by a durable powder coat finish
  • Limited lifetime warranty (one-year finish, one-year parts)


  • Trailer ball and hitch pin sold separately

Guides & Install Sheets

Product Videos

  • Product Videos How to Choose a Ball Mount and Trailer Ball - CURT
  • Product Videos How to Determine the Proper Rise or Drop of a Ball Mount - CURT


  • Ball Hole1 IN
  • Gross Trailer Weight (GTW)5,000 LB
  • Hub WarehouseD25
  • Length12 1/2 IN
  • MaterialCarbon Steel
  • Max Drop7-1/2 IN
  • Max Rise6-1/4 IN
  • Parcel AllowedYes
  • Part TypeAdjustable Ball Mount
  • Product Weight12.640
  • Receiver Tube Size2 IN
  • Shank Length12-1/2 IN
  • ShippingFreight Only
  • Shipping Weight12.640
  • Tongue Weight (TW)500 LB
  • WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

WARNING: Cancer and Reproductive Harm -

If you own multiple trailers or frequently tow a variety of loads, you know how much time and money are spent tailoring your towing system to each and every individual trailer. There is nothing more inconvenient than switching back and forth between a few different ball mounts and trying to remember which mount fits with which trailer. A CURT adjustable ball mount is your multipurpose towing solution. Its key feature is its adjustable design that takes the form of an adjustable channel-style mount or adjustable shank. Both use a series of holes to allow the ball mount to be vertically adjusted and allow for significant flexibility in drop and rise. With a variable ball height, CURT adjustable ball mounts can easily accommodate different coupler heights and multiple trailers.

This particular adjustable ball mount is considered a class 3 ball mount and comes with an adjustable shank. It features a gross trailer weight capacity of 5,000 lbs. and a tongue weight rating of 500 lbs. Unlike other adjustable ball mounts that have fixed trailer balls, this one comes with a trailer ball platform with a 1" ball hole, allowing it to readily accept the trailer ball of your choice.

With its 1-1/2" adjustment increments, this class 3 adjustable ball mount has a maximum drop of 7-1/2" and a maximum rise of 6-1/4". It also features a total length of 12-1/2". All CURT adjustable ball mounts come with a 2" x 2" shank and are made with sturdy steel construction. For long-lasting rust, scratch and UV resistance, they also come with our gloss black powder coat finish to give you peace of mind for the road ahead.

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  1. 100%


    Great Hitch

    We are so happy with this hitch. It gives us the opportunity to raise or lower it a half an inch depending on our load. It’s reasonably light and I bought hitch locks for it because it struck me as something easy to steal if you just use those pins. Absolutely recommend this to anyone.

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