CURT Trailer Ball: III/IV, 6,000 lb Gross Vehicle Wt Capacity, 2 in Ball Dia
The CURT Trailer Ball: III/IV (MPN 40020) is a steel, chrome-finished hitch ball with a 2-inch ball diameter and a gross vehicle weight capacity of 6,000 lb. This trailer ball is designed for towing applications…
SKU 3G-OTH-480505
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Product Description
The CURT Trailer Ball: III/IV (MPN 40020) is a steel, chrome-finished hitch ball with a 2-inch ball diameter and a gross vehicle weight capacity of 6,000 lb. This trailer ball is designed for towing applications requiring a Class III/IV ball mount.
Frequently Asked Questions
What is the CURT 40020 trailer ball used for?
The CURT 40020 trailer ball is used for towing trailers, boats, and campers that require a Class III or IV ball mount. Its 2-inch ball diameter and 6,000 lb gross vehicle weight capacity make it suitable for medium-duty towing applications.
What are the specifications of the CURT 40020 trailer ball?
The CURT 40020 is a steel trailer ball with a chrome finish, 2-inch ball diameter, and 6,000 lb gross vehicle weight capacity. It is designed for Class III/IV ball mounts and comes in a silver chrome appearance.
Where to buy the CURT 40020 trailer ball worldwide?
3G Electric supplies the CURT 40020 trailer ball worldwide. We handle full logistics and customs clearance to deliver this chrome-finished steel hitch ball to your location, ensuring you get the right towing component for your application.
How to select the right CURT trailer ball for my towing needs?
Match the ball diameter to your trailer coupler size (e.g., 2 inches for the CURT 40020) and ensure the gross vehicle weight capacity exceeds your loaded trailer weight. For Class III/IV towing, this CURT ball supports up to 6,000 lb.
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Common applications for CURTCURT Products
3G Electric supplies CURT hitch balls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









