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  1. Trailer Hitch Ball
  2. CURT
  3. Trailer Hitch Ball
  4. 1-7/8 Inch Diameter Ball
  5. 3/4 Inch Diameter Shank
  6. Standard Ball
1-7/8" Hitch Ball - 3/4" Diameter x 1-5/8" Long Shank - Chrome - 2,000 lbs

1-7/8" Hitch Ball - 3/4" Diameter x 1-5/8" Long Shank - Chrome - 2,000 lbs

Item # C40001
Our Price: $13.80
You Save: 32%
Trailer Hitch Ball
Shipping Weight: 1.82 lbs
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Durable steel ball has a 3/4" diameter x 1-5/8" 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. 1-7/8" Hitch Ball - 3/4" Diameter x 1-5/8" Long Shank - Chrome - 2,000 lbs part number C40001 can be ordered online at or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (3436)
  • Q & A (0)
  • Videos (2)
  • Photos

CURT Trailer Hitch Ball - C40001

  • Trailer Hitch Ball
  • 1-7/8 Inch Diameter Ball
  • 3/4 Inch Diameter Shank
  • Standard Ball
  • 2000 lbs GTW
  • Class I
  • Class II
  • Chrome-Plated Steel
  • CURT
  • 1-9/16 Inch Shank Length

Durable steel ball has a 3/4" diameter x 1-5/8" 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 tight, strong grip
  • Heat-treated steel is durable
  • 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: 1-7/8"
  • Shank dimensions: 3/4" diameter x 1-5/8" long
  • Weight capacity: 2,000 lbs
  • Fits ball mount platforms 3/8" to 5/8" thick
  • 1-Year limited warranty

40001 Curt 1-7/8" Diameter Hitch Ball with Short Shank - 2,000 lbs GTW - Chrome

Video of 1-7/8" Hitch Ball - 3/4" Diameter x 1-5/8" Long Shank - Chrome - 2,000 lbs

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

Video Transcript for Review of Curt Trailer Hitch Ball - Trailer Hitch Ball - C40001

Hello everybody, this is Jeff at Today, we're gonna take a look at this Curt 1 7/8 inch diameter hitch ball with the 3/4 inch diameter shank, and a 2,000 pound gross towing weight capacity. Now, this hitch ball will provide the connection point for your 1 7/8 inch trailer's coupler, and will accept up to a 2,000 pound gross towing weight capacity. On the shank of the ball, has the fine threads on it that provide a nice tight, strong grip. And the dimensions on the shank, the length of it, it's gonna be right at 1 5/8 inches long, and the diameter on it is right at 3/4 of an inch. Now, this ball is constructed from a high strength hot forged steel, you can see it has a nice corrosion resistant chrome finish to it, and if you notice on the sides, the two flat ends here, these built-in wrench flats make it easy to hold the ball in place while you're tightening down the nut.

The nut itself as a zinc plated 1 1/8 inch size hex nut, and it comes with the lock washer for secure mounting to the ball mount. This is designed to fit ball mount platforms that are 3/8 inch to 5/8 inch thick, and when you install this, this shank will just drop through the hole in the platform. After it's through the platform, put your lock washer on there, put your nut on there, and then tighten it down to the correct specified torque. Again, the specs on this, the ball diameter is 1 7/8 inches, which is marked on the top, and the weight capacity is 2,000 pounds gross towing weight capacity, which is also marked on the top. But that should do it for the review on the Curt 1 7/8 inch diameter hitch ball with the 3/4 inch diameter shank, and the 2,000 pound gross towing weight capacity..

Customer Satisfaction Score:

Customer Reviews

1-7/8" Hitch Ball - 3/4" Diameter x 1-5/8" Long Shank - Chrome - 2,000 lbs - C40001

Average Customer Rating:  4.9 out of 5 stars   (3436 Customer Reviews)

Durable steel ball has a 3/4" diameter x 1-5/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.


I moved from Arkansas to Washington State last year and towed a small UHaul with my 2017 Chevy Trax, which has the new hitch that I purchased from you. Everything worked great and I had no trouble whatsoever.


Works great for my e-trailer kayak trailer, also used it for a U-haul tow from Sonoma County California to Gold Beach Oregon.


Still working


Good products, reasonable prices


Was a complete fit, goes past my bumper. The diverlery was fast. I'm completely satisfied with your product and will recommend to my friends.


Easy installation, everything fit as advertised. Works great too.


Who cares the other part is useless


Fit perfectly, good finish!


This is a very good product but the real story is the fantastic service and support you receive even in a problem install like I had on my Fit. Three people helped me with the semi custom install I needed. Now perfect. Repeat customer, second install great products and company


Easy installation. Helps to have two people, however, I installed it alone with the help of jack stands. I highly recommend the Curt receiver. I have another Curt receiver on my 2011 Honda Accord that I also purchased from

I just finished hauling a load of bush and tree trimmings to the dump with my utility trailer. Attached is a close up photo of the receiver in use.


Strong part with a sharp look! Good pri ce!


Good quality and price


Solid ball. I love that spring washer that comes with this ball. It locks in every inch of torque you apply.


Received item as advertised in a timely manner. Will certainly do business again as needed in the future. Will certainly recommend.


All the items in my order arrived today. Thanks for your continued follow-up on this order and the speedy shipping once you had the item on hand. I also appreciated the installation video and pictures on etrailer. com. I routinely recommend that my customers reference your website for install instructions and product explanation videos. Keep up the good worK.


The cost was cheaper than I could find elsewhere. No frills easy to install.


I bought this ball and drawbar to attach to my Polaris Sportsman ATV to pull my trailer around. The drawbar was a perfect fit to raise up the trailer and level it. Well made product, welded nicely to the smaller receiver bar and is perfect for what I needed. I would recommend this product.


Works as designed.



Havent used it much but it has performed as it should


The ball started to rust pretty quickly, even though I put a bit of grease on the ball and hitch before I ever used it. Functionally it is still a round hunk of metal that does it's just doesn't look very good.


Great selection, fair pricing, and they got my order to me in two days.


Just fine, shipped with the rest of the order and was on time.


Looks to be a quality hitch ball, easy to install.

Jim P.


I only use them a couple times a years, still work fine.


Shipped and arrived quickly, and appears to be of good quality. A suggestion: like many others, I don't have a socket big enough for the nut, and my torque wrench only goes to 80 ft-lb (the spec calls for 160). I will have to go to a local garage and have them tighten the ball onto the ball mount. I would have been happy to throw eTrailer a couple of bucks or so to have them do this for me when they filled the order. Please consider offering this service.


Nice quality, easy install, great on line directions and light kit, just plug and done


Good looking hitch ball, good price.

Show More Reviews

See what our Experts say about this CURT Trailer Hitch Ball

  • How to Install Curt Trailer Hitch Ball 40001 in a Ball Mount
    To install hitch ball # C40001 you will need a wrench wide enough to fit around the wrench flats on the ball, a torque wrench good for up to 160 foot pounds and a socket for the nut. You could also use a bench vise if you do not have a wrench large enough. You can also put the ball mount in the hitch receiver side ways and then use the wrench and torque wrench to tighten it. If you do not have a torque wrench or socket large enough, many auto parts stores can loan out tools.
    view full answer...
  • Hitch Ball Option for a Trailer with a 1-3/4 inch Hitch Ball Coupler
    We do not carry any 1-3/4 inch hitch balls. The only option I could recommend for you would be to upgrade the coupler on your trailer to work with the modern ball sizes of 1-7/8, 2, or 2-5/16 inch balls. I attached a page that has all of the couplers we offer plus a page that has all of the hitch balls we carry. I would recommend you check out the couplers and find one that will fit your trailer style and has enough capacity and then find a ball designed to fit that coupler that is also...
    view full answer...
  • How Tall is the Ball Part Only for Curt 1-7/8 Inch Ball 40001
    I went out to the warehouse and pulled Curt ball # C40001 to measure it for you. The height of the ball from the ball mount platform to the top of the ball is 2.619 inches which is just a hair under 2-5/8 inches.
    view full answer...
    Image 1 for
  • Is There an Adapter to go From 1-1/4 inch Hitch Size to 2 inch Hitch Size
    We do have adapters that are designed to go from a 1-1/4 inch trailer hitch to a 2 inch hitch like the Hitch Adapter part # HTAD. You should note that the tongue weight capacity of your hitch gets cut in half if you use this adapter.
    view full answer...
  • Availability of 1-7/8 Inch Hitch Ball With a 1/2 Inch Diameter Shank
    We can get you pretty close. The closest thing we offer would be the # C40095 ball from Curt that is a 1-7/8 inch ball with a 5/8 inch shank. If it's possible to enlarge that eye from 1/2 inch to 5/8, I'd recommend going that route. Since you'd only be increasing the hole size by about an 1/8 of an inch, you wouldn't need to worry about removing too much material from the pull bar.
    view full answer...
  • Trailer Ball Recommendation for Swagman Trailhead Towing Bike Rack
    We do offer some 1-7/8 inch trailer balls with a 3/4 inch diameter threaded shank, but we don't offer one with an exactly-3000 lb weight capacity. We do however offer a 2000 lb capacity ball as part # C40001 which would work well for light-duty towing up to 2000 lbs.
    view full answer...
  • What Size Ball Hole do Ball Mounts that Fit 1-1/4 inch Hitches Have
    All of the Class II ball mounts out there have a 3/4 inch diameter ball hole. It might be the best solution for you to replace the ball you have with one that will fit that ball hole size like what comes with the # 36065 that you mentioned. For a 2 inch ball you'd need the # C40018 or for a 1-7/8 inch ball # C40001 and you'd be set.
    view full answer...
  • Hitch Ball Recommendations for Ball Mount 36078
    There isn't a specific length ball shank required for ball mount # 36078. It just has to be long enough to have 3 threads or more exposed beyond the nut when tight. If you need a 2 inch ball # C40018 is a popular option. For a 1-7/8 inch ball # C40001 is a popular option.
    view full answer...
  • 4 inch Rise Ball Mount Recommendation for Class II Trailer Hitch
    For a 4 inch rise Class II ball mount we have the Curt part # C45522 which would work well. Then for a 2 inch hitch ball you'd want the part # C40018 or for 1-7/8 inch you'd want the part # C40001.
    view full answer...
  • Hitch Ball Recommendations for a Curt Ball Mount part # C45024
    For a ball with a 1-7/8 inch diameter you would want the Hitch Ball part # C40001 and then for one with a 2 inch ball you would want the Hitch Ball # C40018. The shank of both of these balls is 3/4 of an inch in diameter and is 1-9/16 inches long for the # C40001 and 2-1/8 inches long on the # C40018.
    view full answer...
  • Availability Of A 1-1/4" Draw Bar And 1-7/8" Ball With 0" Of Rise
    Happy Monday to you as well! I do have a potential solution for you. We do not carry a draw bar with a true 0" rise, but what you can do is use the Curt Class 2 Drawbar # C45503. This has a 3/8" rise, and will be the closest thing we have to a 0" rise. You can use it with the 1-7/8" hitch ball # C40001. Keep in mind that with this setup, you are limited to towing 2,000 lbs or less.
    view full answer...
  • Recommended Ball Mount for Trailer That Is Further From My Vehilce
    Good news, I can help. What you will want to do is get a different ball mount. The current ball mount that you have # C45571 has a length of 7-1/4" from center of hitch pin hole to center of ball hole and a rise of 2-5/8" (from top of inside of hitch opening to start of vertical curve). It also has a 1-7/8" ball. I recommend getting the 9-1/4" long # C45520 ball mount and 1-7/8" # C40001 ball. This ball mount setups will give you the clearance from the bumper you need to tow your trailer...
    view full answer...
  • Ball Mount And Hitch Ball For Curt Class ll Trailer Hitch On 2014 Toyota RAV4
    To find the right ball mount you need to tow your Coleman Popup Camper level you can take a couple of quick measurements. Park the trailer and your RAV 4 on level ground. Measure from the top of the trailer receiver opening to the ground. Then measure from the ground to the bottom of the coupler on your trailer. If the hitch height is greater you need a ball mount with a drop. If the trailer coupler height is greater you need a ball mount with a rise. Take a look at your trailer coupler...
    view full answer...
  • Drawbar Will Not Fit Trailer Hitch On 2004 John Deere Buck ATV
    The problem you probably are facing is that you have to use a Class l ball mount in the hitch receiver on your John Deere ATV. The shank on a Class ll ball mount is inserted in the receiver more than on a 1-1/4 inch receiver and the holes will not line up. I went to the warehouse and measured the Curt Class l Drawbar, part # C45021. The distance from the end of the shank that goes in the receiver to the center of the hitch pin hole is 1-1/2 inches. This drawbar has a 4-inch rise and measures...
    view full answer...
  • Are Threads On Hitch Balls From Different Manufacturers The Same
    I went to the warehouse and pulled hitch balls with a 3/4 inch shank and 1 inch shank made by Curt and Tow-Ready and Reese to compare the threads. The nuts are interchangeable between the 3/4 inch shank hitch balls as well as the 1 inch hitch balls, so if you are using a Curt hitch ball, you can use a nut from a Tow-ready, or Reese hitch ball with the same size shank with no problem.
    view full answer...
  • Which Ball Mount Recommended for Curt Class II Drawbar
    You'll want to use a trailer ball with a 3/4 inch diameter shank. For a 1-7/8 inch ball, use # C40001 and for a 2 inch ball, use # C40018. The coupler on your trailer will have the necessary ball size stamped on it.
    view full answer...
  • How to Carry 300 lb Motorcycle with 2007 Nissan Altima
    The only hitch we offer for your 2007 Altima is a Class I hitch, which has a 2000 lb towing/ 200 lb tongue weight (the maximum amount of weight that can be suspended from the hitch) capacity. Using an adapter would lower the tongue weight capacity by half. It's a matter of the structure of the vehicle where the hitch attaches not being strong enough. Attempting to carry that kind of tongue weight would most likely result in the fasteners tearing out of the vehicle and the loss of the hitch...
    view full answer...
  • Recommended Ball Mount for 2019 Mazda CX-9 with 1-1/4" Hitch
    The Curt Class II Drawbar part # C45000 is indeed compatible with the 1-7/8" Hitch Ball part # C40001 and the Curt Hitch Pin and Clip part # C21403. The Curt Class II Drawbar measures 13-1/2" from the center of the hitch pin hole to the center of the ball hole and provides a 3-7/8" rise. It would be a great setup for a 2019 Mazda CX-9.
    view full answer...
  • Ball Mount Recommendation for 2005 Volvo V50 with Curt Trailer Hitch Installed
    For the Curt hitch part # C11438 that you have installed on your 2005 Volvo V50i has a recommended ball mount, part # C45522. This is a couple inches longer than the # C45561 you currently have so it would give you the clearance you'd need. For a 2 inch hitch ball you'd want the part # C40018 or for a 1-7/8 inch ball part # C40001.
    view full answer...
  • Why are There Different Hitch Fits for the 2015 Jetta SE and TDI
    The undersides of the two vehicles you referenced are different enough to need a different hitch for the SE and TDI models of the 2015 Volkswagen Jetta. If you look at the two pictures I attached you will see that there are quite a few differences. Especially on the passenger side. Since you have a non-TDI the only hitch I can recommend for you is the # C11474 which I attached an install video link for. For a ball mount you would need the part # C45520 with the part # C40001 for a 1-7/8...
    view full answer...
    Image 1 for Image 2 for
  • Trailer Hitch Availability for 2013 Honda CR-Z
    My research on the 2013 Honda CR-Z shows that it was not designed to tow anything. You'd want to confirm this by checking with your Honda dealer or checking the owners manual. That being said we offer a hitch for your vehicle as there is a demand for it. We have the Curt part # C11077 which has a pretty low towing capacity of 1,000 lbs total trailer weight and 100 lbs tongue weight. Typically hitch towing capacities are higher than the vehicle capacities so I would not recommend towing...
    view full answer...
  • Can the Curt Trailer Hitch C11371 be Used to Tow a Trailer with a 2014 Chevrolet Cruze
    The Curt Trailer Hitch Receiver part # C11371 can absolutely be used to tow a U-Haul trailer. However, the towing capacity of your Cruze is only 1,000 lbs so the trailer cannot exceed this figure. I was able to look up a few of the U-Haul trailers and there are some under this capacity. In addition to the above trailer hitch you will also need a trailer wiring harness like the Curt T-Connector Vehicle Wiring Harness part # C56214, a ball mount like the Curt Drawbar part # C45522, and...
    view full answer...
  • Parts Needed to Tow a Trailer with a 2006 Audi A3
    I cannot go against the trailer manufacturer and tell you that a class I hitch will be fine when they recommend using a class II hitch but that seems like a rather odd request to me as most other trailer manufacturers do not specify the hitch class so long as the vehicle and hitch are both capable of pulling the weight of the trailer. Therefore, I would think you would be okay but again I can't tell you to do something the trailer manufacturer says not to. Unfortunately the only trailer...
    view full answer...
  • Ball Mount and Hitch Ball Recommendation for 2006 Chrysler PT Cruiser with Curt Hitch
    With Class I hitches like the Curt part # C45014 that you have for your 2006 Chrysler PT Cruiser you have to use the recommended ball mount from the hitch manufacturer. Which in your case is the Curt # C45520 which has a 3-1/8 inch rise. For hitch balls you'd then want the part # C40018 for a 2 inch ball and # C40001 for a 1-7/8 inch ball.
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Michael H
Expert Research:
Michael H
Employee Jeffrey L
Expert Research:
Jeffrey L
Employee Jeff D
Installed by:
Jeff D
Employee Robert O
Installed by:
Robert O
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
Employee Thomas T
Video by:
Thomas T

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