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  1. Trailer Hitch Ball
  2. CURT
  3. Trailer Hitch Ball
  4. 2-5/16 Inch Diameter Ball
  5. 1-1/4 Inch Diameter Shank
  6. Standard Ball
2-5/16" Hitch Ball - 1-1/4" Diameter x 2-3/4" Long Shank - Chrome - 20,000 lbs
CURT

2-5/16" Hitch Ball - 1-1/4" Diameter x 2-3/4" Long Shank - Chrome - 20,000 lbs

Part Number: C40008
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$34.94
Trailer Hitch Ball
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Durable steel ball has a 1-1/4" diameter x 2-3/4" long shank. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included. Great Prices for the best trailer hitch ball from CURT. 2-5/16" Hitch Ball - 1-1/4" Diameter x 2-3/4" Long Shank - Chrome - 20,000 lbs part number C40008 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (3715)
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  • Videos (2)
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CURT Trailer Hitch Ball - C40008

Highlights

  • Heavy-duty capacity: Supports up to 20,000 lbs for robust towing needs.
  • Chrome-plated finish: Durable and corrosion-resistant design enhances longevity.
  • Precision-fit shank: 1-1/4" diameter x 2-3/4" long for secure mounting.
  • Complete setup: Includes lock washer and nut for easy assembly.
  • Universal hitch fit: Ideal for Class IV and V ball mounts.
  • Optimal towing flexibility: 2-5/16" ball fits most trailer couplers.

Features to know about

High-Strength Towing: 20,000 lbs Weight Capacity

Ever worried about hitch balls not being sturdy enough for your heavy-duty towing needs? The 2-5/16" Hitch Ball by CURT boasts an impressive 20,000 lbs weight capacity, making it ideal for Class IV and Class V trailers. Whether you’re hauling a large trailer or moving heavy loads, this hitch ball ensures you do so with confidence and security.

Stay Shiny and Rust-Free: Chrome-Plated Steel

Concerned about rust and wear over time? This hitch ball is chrome-plated to resist corrosion, maintaining its shiny appearance and structural integrity despite exposure to harsh weather elements. It’s perfect for those who want their trailer gear to look as polished as it performs.

Secure and Tight Fit: Fine Thread Shank

Ever had issues with your hitch ball becoming loose over time? Thanks to its fine-thread design, this hitch ball provides an exceptionally tight and strong grip, securing it firmly in place. The 1-1/4" diameter x 2-3/4" long shank pairs perfectly with platforms at least 3/8" thick, ensuring a reliable towing experience on every journey.

Quick and Easy Setup: Includes Lock Washer and Nut

Are you looking for a hitch ball that makes installation straightforward? This package comes complete with a lock washer and nut, simplifying the setup process and ensuring you have everything needed for a quick installation.

Fit for Versatile Connections: Standard 2-5/16 Inch Diameter Ball

Need a hitch ball that fits a wide range of standard trailer couplers? The 2-5/16 inch diameter on this ball is perfect for a variety of towing applications, offering a versatile connection point that’s compatible with many trailers, making your towing setup flexible and efficient.

Built to Last: Durable Heat-Treated Steel

Ever had a hitch ball that gave out too soon? This product is crafted from heat-treated steel, providing durability and longevity under heavy towing conditions. It’s designed to withstand the rigors of intense workloads, so you don’t need to worry about premature wear.

Specs

Ball Specifications

  • Ball diameter: 2-5/16"
  • Shank dimensions: 1-1/4" diameter x 2-3/4" long

Weight and Capacity

  • Weight capacity: 20,000 lbs

Compatibility

  • Fits ball mount platforms: at least 3/8" thick

Warranty

  • 1-Year limited warranty

40008 Curt 2-5/16" Hitch Ball with Medium Shank - 20,000 lbs GTW - Chrome




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Video of 2-5/16" Hitch Ball - 1-1/4" Diameter x 2-3/4" Long Shank - Chrome - 20,000 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Breaking Down the 2-5/16" Hitch Ball

Today, we're gonna be taking a look at the CURT Trailer Ball. So this one's gonna be a 2 5/16 inch ball. It's gonna have a capacity of 20,000 pounds. So we do want to match this up with a ball mount that's gonna be able to carry at least that much. So with this ball mount, it's about 21,000 pounds. So we are limiting our ball mount by 1,000, but that's not necessarily a huge deal.

But if you did need to grab a ball mount, just make sure it kinda lines up, 'cause you do need to piece these things together just to make sure that they're all gonna work together. Might as well not limit yourself from right off the bat. Another thing to think about is which ball mount you're gonna pick, but also the thickness. So we wanna make sure that we're gonna have a platform that's at least 3 1/8 of an inch thick. So this one's totally fine.

And then looking down at the shank, we do need to make sure that the hole is going to be an inch and 1/4 in diameter, because that is the diameter of the shank of the ball. Let me take this off real quick. There we go. So as you can see up top there's hardly any play. We really want to line this up and make sure it's the same size, just because if it's any bigger, the shank, it's not going to put the ball mount and any smaller, there's going to be a lot more play.

And we really don't want that. Especially with these really heavy duty balls. We wanna make sure they are nice and snug in there just so we don't have any issues whenever we go down the road. So if you we're to upgrade with a trailer ball, I guess you could get one that's forged and machined out of one single piece of steel. This one's made of steel.

It's gonna be plenty strong, but it has a Chrome finish. The other one's just going to be a little bit stronger. But I really don't think that really matters a whole lot. One thing I would pick up is some grease for this just because there's a lot of grinding action that goes on. And with that grease, we carry here at etrailer, it's just gonna keep this finish looking nice for a little bit longer. When it comes to trailer balls, there's some that are gonna give you an inch or two in rise, so the ball itself will give you a rise. If that's something that you're interested in, you can get that here at etrailer. But this is just your standard 2 5/16 inch ball. And that's basically it for our look at the CURT 2 5/16 inch Trailer Ball..

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Customer Reviews

2-5/16" Hitch Ball - 1-1/4" Diameter x 2-3/4" Long Shank - Chrome - 20,000 lbs - C40008

Average Customer Rating:  4.8 out of 5 stars   (3715 Customer Reviews)

Durable steel ball has a 1-1/4" diameter x 2-3/4" long shank. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.

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Great products with best prices.



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Very good product.



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See what our Experts say about this CURT Trailer Hitch Ball

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  • Best Quiet Weight Distribution Hitch For 450 to 500 lb Tongue Weight
    Thanks so much for that good information, and we can get you exactly what you are looking for - a quiet weight distribution hitch that is rated correctly for your 465 lb tongue weight and provides outstanding sway control. For that the best option is from Blue Ox: - Blue Ox SwayPro Weight Distribution with Sway Control # BXW0550 This system, which is rated for tongue weights between 350 lbs and 550 lbs, is quiet because it is a chain-style so you won't hear the noise that comes with the...
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  • Recommendation on a Weight Distribution System for a 28 Foot Airstream Trailer and 2017 Ford F-250
    When trying to decide on a proper weight distribution (WD) system for your towing rig, you will need to know the total tongue weight (TTW) of your set-up. The total tongue weight will be a fully loaded ready to tow trailer, plus any weight located behind the rear axle of your tow vehicle. You want to use a system where your total tongue weight will fall in between the WD system's tongue weight range. I have attached an article that will explain how to find the TTW of your towing rig. Once...
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  • Class V Trailer Hitch For 2019 Nissan Titan XD
    We have exactly what you need for your 2019 Nissan Titan XD, the Curt Trailer Hitch # C15306, because this monster of a hitch is Class V rated with a towing capacity of 16,000 lbs and tongue weight capacity of 2,400 lbs. It will fit your '19 Titan XD, even if you already have the factory hitch - it will simply fit below that hitch to give you a bigger, meaner hitch. As you can see by the linked installation instructions the Curt # C15306 does not require any drilling into your truck's...
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  • Replacement Hitch Head for Reese Straight-Line 17K Weight Distribution System
    Thank you for all of the details and photos! The Replacement Head # RP58167 and Curt Hitch Ball # C40008 are what you need to complete the 12K system. Since this same head is used for the 12K and 17K systems all you need to do is get two of the 1.7K tongue weight arms # 66010 to upgrade to the higher rated system. By using the larger arms you get the 17K kit # RP66075 which has a tongue weight range of 1,100 lbs - 1,700 lbs that's perfect for either loaded weight you mentioned needing. The...
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  • Can the Ball Mount # C45340 be Ordered with the Curt Hitch Ball # C40008 Already Installed
    I do have a solution for you, but we do not install parts like the Curt Heavy Duty Forged Ball Mount # C45340 and 2-5/16" Hitch Ball # C40008 before shipping them out. Any ball mounts that come with a hitch ball installed come like that directly from the manufacturer. If you do not need the full 17,000 lb capacity of the ball mount # C45340 that you referenced then you can use the Curt Heavy Duty Forged Ball Mount # C45331 which is essentially the same exact ball mount with a 2-5/16" hitch...
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  • What Weight Range Weight Distribution for Trailer with 1,400 lbs Tongue Weight
    If you have a tongue weight of 1,400 lbs a weight distribution with a higher tongue weight range would be ideal. Especially when you consider that the weight of any cargo behind the rear axle of the tow vehicle gets added as additional tongue weight. So a higher rated system like the Equal-i-zer part # EQ64FR would be your best option as it has a tongue weight range of 1,200-1,600 lbs. You'll also need a thin-walled socket to install the ball # C40008 too with the # ALL643216.
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  • Weight Distribution and Sway Control Recommendation 2018 Jayco Eagle 322RLOK
    The best weight distribution/sway control systems are the Equal-i-zers like the part # EQ64FR you mentioned but the trick is picking out a kit that the trailer's loaded tongue weight falls right into the middle of. This system has a tongue weight range of 1,200 - 1,600 lbs. I looked up your 2018 Jayco Eagle 322RLOK and based on the dry weight, dry tongue weight, and GVWR this would be a great option rated perfectly. For a hitch ball you'd then want the part # C40008 and the socket part...
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  • Weight Distribution Hitch For 500 - 600 lb Tongue Weight & Pole Tongue Boat Trailer
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  • Solution for Needing Curt Ball Mount and Hitch Ball in 1 inch Drop Position Over 1 inch Rise
    Since we do not have a version of the # C45331 with the setup in the rise position instead of the drop position your best option would be to remove the ball and reinstall it in the rise position or go with the part # C45340 and # C40008 which you could then attach to the ball mount in the rise position. The demand for ball mounts in the drop position is much more than in the rise position as tow vehicles generally are getting taller and taller while trailers mainly are staying same height....
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  • Recommended Socket Size For Curt Ball Mount C40008
    The socket size needed to install the Curt hitch ball # C40008 would be 1-13/16 inches. The torque required for tightening the nut is 450 ft lbs. If you do not have a torque wrench rated up to 450 foot pounds in which case you'll never really measure it at 450. When tightening the ball you want to make sure you get the lock washer, so that it's completely flat. One way to make it easier on you is to put the ball mount in your hitch receiver sideways so the hole is vertical. Then install...
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  • Hitch Ball to Fit Fastway e2 Weight Distribution
    The Weigh Safe Adjustable Hitch Ball with Built in Scale # WSUN-1 will not work with the Fastway e2 Weight Distribution System # FA92-00-0600 because of the clearance issues, like you said, and also the shank is only 1 inch. The Fastway requires a hitch ball with a 1-1/4 inch shank like # C40008 for a 2-5/16 inch ball and # A-90 for a 2 inch. We do not carry any tongue weight scale, or interchangeable hitch balls that will work with the Fastway e2.
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Info for this part was:

Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Laura H
Written by:
Laura H
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video by:
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Employee Wilson B
Updated by:
Wilson B
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Employee Adam E
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