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Universal Part
UPC: 612314459032

Slim Adjustable Channel Mount with Dual Ball (2" Shank, 10K, 3-3/4" Drop) #45903

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  • 2" ball rated for 8,000 lbs. and 2-5/16" ball rated for 10,000 lbs.
  • Weighs only 15 lbs. for easy handling, compared to other adjustable hitches
  • Shank can be flipped for a max rise of 3-1/2" and drop of 3-3/4"
  • Adjustable channel mount allows for precise trailer leveling
  • One-pin dual ball attachment for quick, easy adjustment
  • Mounts on trailer hitches with a 2" x 2" receiver tube opening
  • Two hitch pin holes provide shank lengths of 10" or 11"
  • Protected by a highly durable carbide powder coat (zinc-plated dual ball)
  • Limited lifetime warranty (one-year finish, one-year parts)


  • Includes pins & clips
  • Patent# US8,033,563

Guides & Install Sheets

Product Videos


  • GTW/TW Ball 18,000 LB
  • GTW/TW Ball 210,000 LB
  • Hub WarehouseD25
  • Master Case Qty1
  • MaterialCarbon Steel
  • Max Drop3-3/4 IN
  • Max Rise3-1/2 IN
  • Mount Type DescriptionNot Applicable
  • Pallet Qty0.000
  • Parcel AllowedYes
  • Part Type*
  • Product Weight14.000
  • Receiver Tube Size2 IN
  • Shipping Weight15.000
  • Side Application Type DescriptionNot Applicable
  • WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

WARNING: Cancer and Reproductive Harm -

The slim adjustable channel mount is a highly versatile, light-duty hitch ball mount option, weighing only 15 pounds but with a maximum 10,000-pound rating. It features a standard receiver hitch shank, a multi-level channel and a standardized trailer ball attachment, allowing you to easily tow various types of trailer without requiring you to keep an arsenal of ball mounts on hand. It also features a highly durable construction built to withstand the elements.

The dual-ball head of this channel mount offers versatile towing options. It features standard 2" and 2-5/16" diameter trailer balls to fit two different size trailer couplers. The entire head securely attaches to the adjustable shank using the included hitch pin.

This adjustable channel mount comes with a 2" shank to fit any 2" x 2" receiver hitch. The shank has two hitch pin holes to adjust the length of the ball mount from 10" to 11". This provides extra clearance, as needed, for the rear bumper, a spare tire or other obstructions.

The channel mount is set with a series of vertical holes to mount the included dual-ball. It offers a maximum drop of 3-3/4", and it can also flipped for a maximum rise of 3-1/2".

For safety you can be confident in, each CURT adjustable channel mount design undergoes strict testing procedures. This model is constructed from high-strength forged steel and rated for a maximum gross trailer weight capacity of 8,000 pounds for the 2" ball and 10,000 pounds for the 2-5/16" ball (never exceed the weight ratings of the lowest-rated towing component).

In the world of heavy-duty towing, harsh conditions and relentless exposure to the elements aren't uncommon. For this reason, the slim adjustable channel mount is finished with a highly durable carbide black powder coat finish. This helps withstand rain, snow, dirt and road salt, protecting the shank from rust and corrosion. The dual-ball is given a yellow zinc finish for additional rust resistance.

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