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Universal Part
UPC: 612314050901

Loaded Forged Ball Mount with 2-5/16" Ball (2-1/2" Shank, 20,000 lbs, 4" Drop) #45372

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  • Rated to 20,000 lbs. gross trailer weight and 2,000 lbs. tongue weight
  • Fits trailer hitches with a 2-1/2" x 2-1/2" receiver tube opening
  • Factory-torqued CURT trailer ball accepts a 2-5/16" coupler
  • Constructed from solid, forged steel for superior strength
  • 4" drop for precise trailer leveling
  • Protected by a highly durable carbide powder coat finish
  • Trailer ball features a polished chrome-plated finish
  • Limited lifetime warranty (one-year finish, one-year parts)


  • Includes 2-5/16" trailer ball #40008 (hitch pin sold separately)
  • Weight capacity may change if trailer ball is removed

Guides & Install Sheets

Product Videos


  • Ball Diameter2-5/16 IN
  • Drop4 IN
  • Gross Trailer Weight (GTW)20,000 LBS
  • Hub WarehouseD25
  • MaterialFORGED STEEL
  • Mount Type DescriptionNot Applicable
  • Part Type*
  • Product Weight22.000
  • Receiver Tube Size2-1/2 IN
  • Shank Diameter2-1/2 IN
  • Shank TypeSolid
  • Shipping Weight22.000
  • Side Application Type DescriptionNot Applicable
  • Tongue Weight (TW)2,000 LBS
  • WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

WARNING: Cancer and Reproductive Harm -

This CURT forged loaded ball mount features a gross trailer weight capacity of 20,000 lbs. and a tongue weight capacity of 2,000 lbs. It comes with a 2-5/16" trailer ball, making it an excellent choice for towing most heavy-duty trailers, including large boat trailers, double-axle utility trailers, deluxe campers, livestock trailers and recreational vehicle trailers used for hauling motorcycles, personal watercraft and ATVs (NOTE: Never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc). This ball mount also has a drop of 4" and comes with a durable carbide black powder coat finish to resist rust, chipping and UV damage. All CURT loaded ball mounts are made with the same superior quality we put into each of our products.

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