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  1. Trailer Hitch Ball
  2. CURT
  3. Trailer Hitch Ball
  4. 2 Inch Diameter Ball
  5. 1 Inch Diameter Shank
  6. Standard Ball
2" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 6,000 lbs

2" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 6,000 lbs

Our Price: $11.40
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Trailer Hitch Ball
Shipping Weight: 2 lbs
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Durable steel ball has a 1" diameter x 2-1/8" long shank. Built-in wrench flats ease installation. 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" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 6,000 lbs part number C40004 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (3435)
  • Q & A (0)
  • Videos (2)
  • Photos

CURT Trailer Hitch Ball

  • Trailer Hitch Ball
  • 2 Inch Diameter Ball
  • 1 Inch Diameter Shank
  • Standard Ball
  • 6000 lbs GTW
  • Class III
  • Chrome-Plated Steel
  • CURT
  • 2-1/8 Inch Shank Length

Durable steel ball has a 1" diameter x 2-1/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.


  • Hitch ball provides a connection point for your trailer's coupler
  • Fine threads provide exceptionally tight, strong grip
  • Durable steel construction
  • Corrosion-resistant chrome finish
  • Built-in wrench flats make it easy to hold ball in place while tightening the nut
  • Lock washer and nut included


  • Ball diameter: 2"
  • Shank dimensions: 1" diameter x 2-1/8" long
  • Weight capacity: 6,000 lbs
  • Fits ball mounts 1/2" to 1" thick
  • 1-Year limited warranty

40004 Curt 2" Diameter Hitch Ball with Medium Shank - 6,000 lbs GTW - Chrome

Item # C40004

Video of 2" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 6,000 lbs

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

Video Transcript for Curt 2 Inch Hitch Ball Review

Hello neighbors, it's Brad here at Etrailer and today we're taking a look at the Curt two inch ball for a ball mount. This is gonna be for a one-inch shank and have a weight capacity of 6,000 pounds. Now when choosing a ball to hook up to your trailer and tow, you obviously wanna make sure that you have the same diameter as your coupler and this one's gonna be a two inch ball so it matches up well with our trailer that we're gonna tow today. The trailer's also rated at 5,000 pounds max capacity and this one has a 6,000 pound gross trailer weight rating. So we are totally safe there. And some of your other components that you're gonna wanna make sure match up to the trailer weight is also gonna be your ball mount, the hitch, and also the vehicle.

So check all of those. Make sure that you're not gonna be under the weight that the trailer could be. That way you're gonna stay safe. Now there's plenty of combos that you can come up with as far as your ball mount with a rise and a drop and also the ball because of the different sizes. But just make sure that the shank is gonna be the same.

So this one is a one inch shank. You're gonna wanna check your ball mount to make sure that this tightens down. And also your weight capacities need to play ball with all of the rest of the components. Now keep in mind if you're choosing a separate ball and ball mount combo you are gonna need to torque down the ball. Some of them you can get pre-torqued and that's a nice feature but the ability to get the ball that you want means that you are gonna have to take a torque wrench to this and torque it down pretty heavy.

And a lot of times you can use a bench vice. You see that there's some slats here. You can actually get a large wrench on this or you can put it in a vice. Something that I found that works really well is actually using the hitch of your vehicle and you can put a wrench here and that way your torque wrench is moving in a nice easy way. You're not having to move it this way, it just makes it a little bit easier to get this torqued.

And that's nice too. The reason they don't come pre-torqued onto these is that way you can determine if you need a rise or a drop. So if you do plan on going from the two inch drop that we have here to the three quarter inch rise you are gonna have to take this off and re-torque it down. Now if you need a torque wrench we have those available here at Etrailer. You can generally rent them at an auto parts store. Check the torque setting on the ball. It is relatively high, so make sure you have a torque wrench that can go up that high. Now something else to kind of keep in mind if you're using a ball mount this shank length is definitely perfect for a normal size ball mount. But if you are doing any bumper towing, sometimes you will need that longer shank. So that's something to keep in mind. That way it passes all the way down through your bumper. So this again, for most ball mounts this is gonna work great. So once you've determined the right ball mount and ball combination for your trailer, all that's left to do is get that ball torque down your pin and clip in place and then we can start hooking up our trailer and the remaining components. That was a look at the Curt two inch ball mount with a 6,000 pound capacity and a one inch diameter shank.

Customer Satisfaction Score:

Customer Reviews

2" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 6,000 lbs - C40004

Average Customer Rating:  4.9 out of 5 stars   (3435 Customer Reviews)

Durable steel ball has a 1" diameter x 2-1/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.


Looks like a good quality tow ball. I'll never be able to tell you though. I cut the shank off to build my own trailer coupler lock for cheaper than a purpose built coupler lock. This ball plus the e98883 coupler pin lock makes my trailers secure in my yard as well as anywhere we go. And by buying enough keyed-alike coupler pin locks, one key fits all trailers unlike previous setups I tried where each coupler lock had its own key.


These are a great replacement for all our trailers and vans pulling double.


Fit and finish is as expected. It's new and I can't comment on how the chrome finish will hold up . Threads are clean and the nut goes on smoothly. Chrome lock washer compressed nicely with no chrome flaking.


This pic makes the ball look like it's not chrome,,,, it is actually very shiny chrome and fit my setup great for my 2008 Honda Element SC


Shipping was on time at great price.


Exactly what I expected.


Excellent quality. Exactly what I'd expect from etrailer


Works great, and the low profile keeps it out of the way. The adaptor cable made it plug and play for my 2021 Nissan Frontier.


Amazing service- got notification it had shipped a couple hours after I ordered it Crazy good You have set the bar high for your competition!


You guys are always helpful with asking the right questions and providing the right product.


I am very pleased. The guides arrived very quickly -like two days -and were easy to install.
I have ordered everything for my used trailer including spare tire, trailer hitch receiver and the ball mount. The ball mount gave me an 8in rise which is what I needed for my Toyota Tacoma.
Etrailer follows up and does a great job.


Purchased trailer hitch, ball, and lock pin. Needed a 9 1/4 " drop. etrailer had the parts in stock at competitive prices. ordered on a Sunday arrived Wed noon. Great response time on any items I have ever ordered. I like these folks!


Items arrived quickly. For those using the Curt C45070 ball mount on a Toyota Sienna (2013), flipped over for rise, there is about 3/4 clearance between the bumper cover and the reinforcement web on the back of the ball mount.


Towing a 20Ft. Ranger Bass Rig with no issues after 1 year. Strong Hitch and


Bought a number of Items to add a trailer hook up to my 2017 Nissan quest. Jason was very helpful with all the different Items I purchased. i recommend buying from etrailer.


Seems to be good quality.


George and the team at etrailer did a fantastic job getting me this hitch ball - in time to take the boat and enjoy the weekend. OUTSTANDING SERVICE!! Nicely done! Thanks. Kurt


great product. my new frontier came with a hitch with no ball. this is the 2" ball I was looking for, tightened it to 250 and now I am ready. fast delivery, good quality and great price.


Nice trailer hitch ball. Less than big box store price and name brand rather than nameless.


Drawtite trailer hitch was easy, one person install


this product is to large for the hitch. needs 3/4in dia shank.

Mike L.


For the same sized ball with a 3/4 inch diameter shank thats 2-1/8 inches in length, youd want to use # A-82.


Proud to put crome ball hitch on my veh icle


According to my mechanic wiring harness went in with no problems.


Very pleased with the quality finish on this Curt product. eTrailer staff is friendly and helpful. They provide unbelievable fast shipping. Great business to deal with.


Product was easy to install and has served well. Hitch is quality product.

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See what our Experts say about this CURT Trailer Hitch Ball

Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Brandon M
Installed by:
Brandon M
Employee Bradley B
Installed by:
Bradley B
Employee Dustin K
Video by:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee Amanda M
Updated by:
Amanda M
Employee Brian T
Updated by:
Brian T

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