Rated 4.8 out of 5 based off 652 ratings

$22.43 View Price

  • RELIABLE STRENGTH. This trailer hitch ball is rated to tow up to 30,000 pounds gross trailer weight. It is constructed from hot-forged steel for maximum towing strength and absolute confidence on the road ahead
  • PRECISE FIT. This tow hitch ball has a 2-5/16-inch diameter to fit virtually any 2-5/16-inch coupler. The ball shank has a 1-1/4-inch diameter and measures 2-5/8 inches long for secure attachment to a trailer hitch ball mount
  • WEAR-RESISTANT. For heavy-duty towing applications, raw steel provides superior strength to get the job done. This hitch ball is also heat-treated to enhance its wear resistance for maximum durability
  • SECURE INSTALL. For dependable strength, this trailer hitch ball comes with a zinc-plated hex nut and helical lock washer. It also has fine threads for an enhanced hold on the ball hitch (450 lb.-ft. torque required)
  • TESTED FOR SAFETY. To promote the highest level of safety while towing, this CURT tow ball is tested to U.S. VESC specifications

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CURT 40085 Raw Steel Trailer Hitch Ball, 30,000 lbs, 2-5/16-Inch Diameter, 1-1/4 x 2-5/8-Inch Shank

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From the manufacturer

CURT Trailer Balls

CURT Trailer Balls

Wherever your work or play takes you

CURT offers custom trailer hitches, electrical products and a complete line of towing accessories to get you there with confidence and enjoy every mile of the journey.

Read more
CURT Trailer Ball Tow Ball Hitch Ball

CURT Trailer Ball Tow Ball Hitch Ball

CURT Trailer Hitch Balls

A reliable connection to your lifestyle

A trailer hitch ball may be one of the simplest components of your hitch system, but it is also the direct connection between your vehicle and trailer, making it vitally important.

CURT trailer balls are available in a wide variety sizes and capacities. Whether you’re towing a full-size travel trailer or a simple utility trailer, you can rest assured in the reliability of your CURT towing connection.

Features of CURT trailer balls

  • Standard hitch ball sizes, including 1-7/8, 2, 2-5/16 and 3 inch
  • Weight capacities ranging from 2,000 to 30,000 lbs.
  • Chrome, stainless and raw steel options
  • Fine threads for superior holding strength
  • Zinc-plated hex nut and helical lock washer for secure mounting
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Three trailer ball finishes

Stainless steel

CURT stainless steel tow hitch balls are a premium option, offering superior rust resistance. They are available in various ball diameters and GTW capacities, and each one features fine threads for improved holding strength.

Chrome-plated

CURT chrome trailer hitch balls are available in multiple diameters and GTW capacities, and like our stainless steel balls, they also feature fine threads. Their chrome finish over steel gives them solid resistance to rust and wear.

Raw steel

CURT hitch balls with a raw steel finish are intended for heavy-duty towing applications. They range in GTW capacity from 12,000 pounds to 30,000 pounds and feature a heat-treated construction for added wear resistance.

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Trailer hitch ball sizes

There are four key factors that must be considered when selecting a trailer hitch ball for your towing setup.

1. Weight rating.

2. Coupler size.

3. Hole size.

4. Platform thickness.

To learn more about each of these factors, see the panel below. The diagram to the right shows the various measurements of a trailer ball, which may be referred to in the following sections.

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1. Weight rating

Before selecting a trailer hitch ball, it is important to know how much weight you’ll be towing. Each trailer balls is rated to certain gross trailer weight capacity and tongue weight capacity. The gross trailer weight is the total weight of the trailer, while the tongue weight is the weight specifically at the coupling point.

Remember, your towing capacity is always limited by the lowest-rated towing component, whether that’s the vehicle, the trailer hitch or the tow ball.

1. Weight rating

2. Coupler size

3. Hole size

4. Platform thickness

The CURT 2-5/16" trailer ball does not mess around. Simply put, it is a solid piece of towing equipment that makes all others look like they're just spinning their wheels. CURT 2-5/16" trailer balls are made with expert engineering to be packed with strength and durable enough to withstand the harsh wear of heavy-duty towing. Anything your class 5 trailer hitch and class 5 ball mount can handle, CURT has a 2-5/16" trailer ball to match. These tow balls are perfect for towing all types of heavy receiver-style trailers, including dump trailers, toy haulers, farm trailers, chopper boxes, dual-axle utility trailers, deluxe RVs, small yachts and more (NOTE: Never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc).This 2-5/16" trailer ball features a ball capacity of 30,000 lbs. It features a 1-1/4" shank diameter, a 2-5/8" shank length, 0" of rise and a raw steel finish to protect against the elements. To give you the power you need to tow with confidence, CURT 2-5/16" trailer hitch balls are thoroughly tested for safety and meet U.S. VESC specifications.

Product Reviews:

Bud Riviere
5.0 out of 5 stars

This is one fine trailer ball.
Reviewed in the United States ?? on December 4, 2022

Verified Purchase
This ball is exactly what I needed. The weight capacity fits the requirements of my equipment trailer.
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Helpful
jdawg
5.0 out of 5 stars

High capacity ball for heavy trailering
Reviewed in the United States ?? on November 5, 2022

Verified Purchase
Works as it should, just either keep it inside when not being used, or keep a thin layer of grease/oil on it if you leave it on your truck, it is raw steel and will rust if you don't. I've had several that were chrome plated, and eventually the chrome starts peeling off. That's why I chose this ball. Nice machined finish, looks great.
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Helpful
Scott Nelson
5.0 out of 5 stars

Heavy duty.
Reviewed in the United States ?? on October 15, 2022

Verified Purchase
Heavy duty. Looks and works great!
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Helpful
Larry Fowler
4.0 out of 5 stars

Great price
Reviewed in the United States ?? on September 28, 2022

Verified Purchase
As expected, great price, fast shipping
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One person found this helpful
Helpful
slappyfish
5.0 out of 5 stars

Tighten while trailer is on ball
Reviewed in the United States ?? on August 5, 2022

Verified Purchase
Tighten while trailer is on ball & use a ball cover to keep from rusting.
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One person found this helpful
Helpful
Amazon Customer
5.0 out of 5 stars

Perfect
Reviewed in the United States ?? on June 22, 2022

Verified Purchase
We pull a large and very heavy mobile kitchen. This ball hitch gives me the piece of mind, security, and confidence going down the road.
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One person found this helpful
Helpful
Luis Aldrete
5.0 out of 5 stars

Great
Reviewed in the United States ?? on June 19, 2022

Verified Purchase
Does the job! Feels heavy duty.
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One person found this helpful
Helpful
Rip
5.0 out of 5 stars

Pro-grade, worth it
Reviewed in the United States ?? on January 21, 2022

Verified Purchase
I work for a contractor in the Northwest. We had some issues with our dump trailer, tow weight, the current hitch assembly on the company truck, etc. In short, easy to install (you probably know this, but check your truck capacity and hitch assembly weight capacity), great value for the money, absolutely worth it. If your rig is up to pulling heavy loads, Curt deli
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