CURT 40021 trailer ball front view shows chrome finish and readiness for weather exposure.
CURT trailer ball chrome finish detail highlights corrosion resistance for tow-ready performance.
CURT 40021 chrome trailer ball shank detail emphasizes secure attachment to the hitch.
CURT 40021 mounted hitch setup demonstrates reliable connection for heavy-duty towing.
CURT 40021 trailer ball front view shows chrome finish and readiness for weather exposure.
CURT trailer ball chrome finish detail highlights corrosion resistance for tow-ready performance.
CURT 40021 chrome trailer ball shank detail emphasizes secure attachment to the hitch.
CURT 40021 mounted hitch setup demonstrates reliable connection for heavy-duty towing.

CURT 40021 2-5/16 in Chrome Trailer Ball | Heavy-Duty Towing, 6,000 lb Capacity

Powerful towing performance with CURT 40021 The CURT 40021 2-5/16 inch trailer ball is built for demanding...
Vendor: CURT
Availability: In stock
£49.50
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CURT 40021 trailer ball front view shows chrome finish and readiness for weather exposure.

CURT 40021 2-5/16 in Chrome Trailer Ball | Heavy-Duty Towing, 6,000 lb Capacity

£49.50
CURT 40021 trailer ball front view shows chrome finish and readiness for weather exposure.
CURT trailer ball chrome finish detail highlights corrosion resistance for tow-ready performance.
CURT 40021 chrome trailer ball shank detail emphasizes secure attachment to the hitch.
CURT 40021 mounted hitch setup demonstrates reliable connection for heavy-duty towing.

CURT 40021 2-5/16 in Chrome Trailer Ball | Heavy-Duty Towing, 6,000 lb Capacity

£49.50
Description
Description
x

Powerful towing performance with CURT 40021

The CURT 40021 2-5/16 inch trailer ball is built for demanding towing tasks. Hot forged steel delivers dependable strength, while a nickel chrome finish shields against rain, dirt, and rust. This ball pairs with class 5 hitches and mounts to help you tackle heavy trailers with greater confidence.

Key specifications at a glance

  • Capacity up to 6,000 pounds gross trailer weight for solid towing reliability
  • Diameter 2-5/16 inches to fit virtually any common coupler
  • Shank diameter 1 inch and length 3 inches for secure attachment to a trailer hitch ball mount
  • Corrosion-resistant chrome plating to withstand weather and exposure
  • Includes zinc-plated hex nut and helical lock washer for a secure install
  • Fine threads enhance hold on the ball hitch; torque requirement up to 250 lb-ft
  • Tested for safety to meet U.S. VESC specifications

Real-world uses and what you may gain

  • Ideal for heavy-duty applications such as dump trailers, farm trailers, and dual-axle utility setups
  • Suitable for toy haulers, deluxe RVs, small yachts, and other large towed loads
  • Chrome finish and forged steel offer durability under road debris, moisture, and vibration

Installation and safety reminders

  • Secure installation with a supplied hex nut and lock washer
  • Maintain proper torque and ensure compatibility with the hitch and vehicle rating
  • Note never to exceed the lowest weight capacity of any towing component, including the vehicle, hitch, and trailer

Designed to deliver dependable towing performance without overstating what to expect, this CURT trailer ball focuses on strength, fit, and resilience. Consider it a solid option when you need a capable, weather-ready connection for demanding trailers.

FAQ

Q: What is the load capacity of the CURT 40021 trailer ball?

A: The ball is rated to tow up to 6,000 pounds gross trailer weight with a secure 1 inch shank.

Q: Does the CURT 40021 meet safety standards?

A: Yes, it is tested for safety to U.S. VESC specifications.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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