CURT 45430 Industrial Duty Forged Trailer Hitch Ball Mount, Fits 3-Inch Receiver, 21,000 lbs. GTW, 1-1/4-Inch Ball Hole, 4-Inch Drop, 2-Inch Rise. Buy CURT 45430 Industrial Duty Forged Trailer Hitch Ball Mount, Fits 3-Inch Receiver, 21, 000 lbs. GTW, 1-1/4-Inch Ball Hole, 4-Inch Drop, 2-Inch Rise: Ball Mounts - ✓ FREE DELIVERY possible on eligible purchases. DEPENDABLE STRENGTH. This heavy-duty ball hitch is constructed from high-strength forged steel and is rated to tow up to 21,000 pounds gross trailer weight and 2,800 pounds tongue weight (limited to lowest-rated towing component). . HEAVY-DUTY. This forged trailer hitch ball mount comes with a 3-inch x 3-inch shank to fit any industry-standard 3-inch receiver. The ball mount also has a 4-inch drop and 2-inch rise to promote level towing with your own particular vehicle-trailer setup. . READY TO TOW. Hitching up your heavy-duty trailer is easy with this 3-inch ball mount. It features a 1-1/4-inch hole to accept a trailer hitch ball with a 1-1/4-inch diameter shank (trailer ball sold separately). This allows you to tow a wide variety of large trailers, such as farm trailers, large travel trailers, flatbed trailers and more. . CORROSION-RESISTANT. For long-lasting use, this truck ball hitch is protected with a highly durable carbide black powder coat finish, easily resisting damage from rain, dirt, snow, road salt and other corrosive threats. . EASY TO INSTALL. To install this hitch ball mount on your truck, simply insert the shank into your vehicle's 3-inch hitch receiver. The rounded shank makes installation easy. Then, secure the shank in place with a hitch pin or hitch lock (sold separately). . The Industrial Duty ball mount features a 3" x 3" shank to fit heavy-duty 3" trailer hitches. The solid, forged steel construction and I-beam shape supply the necessary strength to complement these larger trailer hitches, and the ball mount has a highly durable carbide powder coat finish for long-lasting rust resistance. To ensure maximum towing power, this ball mount is rated for 21,000 lbs. GTW and 2,800 lbs. TW. The 21K GTW rating is fully tested to at our Detroit engineering facility. This ball mount also offers a rise of 2" and drop of 4" to accommodate larger pickup trucks, allowing for level towing of the trailer. It also has a 1-1/4" trailer ball hole to accept a heavy-duty trailer ball. . . .