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2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank - Chrome - 15,000 lbs

2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank - Chrome - 15,000 lbs

Item # C40030

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C40030 - 15000 lbs GTW,Class IV,Class V Curt Trailer Hitch Ball
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Product Images

In Use/Installed

Customer Photos


  • Trailer Hitch Ball
  • 2-5/16 Inch Diameter Ball
  • 1-1/4 Inch Diameter Shank
  • Standard Ball
  • 15000 lbs GTW
  • Class IV
  • Class V
  • Curt
  • Chrome-Plated Steel
  • 2-5/8 Inch Shank Length
Durable steel ball has a 1-1/4" diameter x 2-5/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included. Call 800-298-8924 to order Curt hitch ball part number C40030 or order online at etrailer.com. Free expert support on all Curt products. Guaranteed Lowest Price and Fastest Shipping for 2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank - Chrome - 15,000 lbs. Hitch Ball reviews from real customers.


  • All Info
  • Reviews (74)
  • Q & A (109)
  • Videos (2)
  • Photos
  • Why etrailer?

Curt Hitch Ball - C40030

Durable steel ball has a 1-1/4" diameter x 2-5/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.


Features:

  • 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


Specs:

  • Ball diameter: 2-5/16"
  • Shank dimensions: 1-1/4" diameter x 2-5/8" long
  • Weight capacity: 15,000 lbs
  • Fits ball mount platforms 3/4" to 1" thick
  • 1-Year limited warranty


40030 Curt 2-5/16" Diameter Hitch Ball with Medium Shank - 15,000 lbs GTW - Chrome







Video of 2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank - Chrome - 15,000 lbs


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




Video Transcript for Curt Hitch Ball - Trailer Hitch Ball - C40030 Review

Today we're going to be taking a look at part number C40030. This is the Kirt 00:04 trailer hitch ball with the 2 and 5/16th inch diameter. That's going to be the diameter of the actual ball. When it comes to the diameter of the shank, we take a measurement of that. That's going to give us a diameter of an inch and a 1/4. Then that shank length, measuring from the bottom of the platform from the end of the threads is going to give us a measurement of 2 and 5/8ths of an inch. Now keep in mind that the shank diameter and for this particular ball is and inch and a 1/4, that needs to be within 1/16th inch of the ball diameter on your ball mount. This is designed to fed draw bar thicknesses from 3/4 of an inch to 1 inch thick.

This hitch ball's going to have the capacity of 15,000 lbs. It's a nice solid steel construction with a nice chrome finish that's going to last a long time. It's going to stand up well against rusting and corrosion . It's going to feature the wrench flats here on the side. That's going to allow for an easier installation.

It's going allow you to achieve the appropriate torque rating and making that easier. That is going to come with this tag. The tag's going to be installed on the shank here through the holes here on the piece of paper. The tag's going to have all the information on it that you need back here with the instructions. Such as the torque rating and all the restrictions you have when installing the hitch ball. When installing this on your ball mount, you do want make sure to completely remove the tag. Now with this part number you're going to get the 2 and 5/16th inch hitch ball, you're going to get the lock washer and the nut.

All of that's included. Really simple operation. This portion here is the shank. This is going to go through the ball hole on your ball mount. Place that through and then you place the lock washer on. Followed by the nut.

Then you'll need to get it tightened down. Then the last thing you'll need to do is you're going to torque to the specifications listed by the manufacturer. Again that can be found on that instructional tag that I showed you. That's going to do it for out review. Part number C40030. This is the Kirt 02:10 trailer hitch ball with the 2 and 5/16ths diameter. .


Customer Reviews

2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank - Chrome - 15,000 lbs - C40030

Average Customer Rating:  4.9 out of 5 stars   (74 Customer Reviews)

Durable steel ball has a 1-1/4" diameter x 2-5/8" long shank. Built-in wrench flats ease installation. Chrome finish resists corrosion. Fine threads provide strong grip. Lock washer and nut included.

- C40030
by:

It's a ball... But a nice one. Want real reviews? Ask me in three months what I think. Not the day after I got it... Service from eTrailer was aok. Fortunately UPS lets us upgrade shipping from USPS delivery to UPS straight through. The ball appears to have heavy chrome. That will be a plus! 140536


Comments

Great product! I got it because of the high end specs. I have a equipment and a dump trailer. Never have to worry about exceeding the GVW and TW of that ball! Peace of mind is great...Best regards,

Dan F - 07/20/2015

13479

- C40030
by:

Went together perfectly 425290


Comments

Product has worked as expected no flaking or chipping.

Mike D - 08/27/2018

42906

- C40030
by:

I put a trailer hitch on my 2012 Chevy Cruze. I don't use it very often. It went on easily as did the wiring harness. I'll use it more this summer. Two thumbs up. 247801


Comments

No issues ever. Will contact you when I purchase a Mustang.

David - 02/05/2018

34290

- C40030
by:

Our hitch and ball arrived quickly and fit as expected. No issues. 660321



- C40030
by:

Great Price, Quality Product 643090



- C40030
by:

not much to say, the flat edges on the ball side made tightening it easy. Works great for my 32' Video Game Trailer 640113



- C40030
by:

Good product 639417



- C40030
by:

No Problems in a year 638373



- C40030
by:

The ball works and is rated higher than my hitch. 633553



- C40030
by:

It arrived in a timely fashion and it worked great. 619378



- C40030
by:

Good quality 2 5/16 ball. 613049



- C40030
by:

Heavy Duty. Unused yet. Just received today, put the two together and smiled proudly! Look what I have done! 611558



- C40030
by:

Looks like a good quality ball 604433



- C40030
by:

It's a hitch ball. It's chrome. It works. Flats on the shank make it much easier to hold in place for proper torquing than those without. 603925



- C40030
by:

Good price and it appears to be a very strong ball. 593704



- C40030
by:

Heavy Duty, 15,000lb ball 592296



- C40030
by:

Fast shipping and excellent packaging great service 589196



- C40030
by:

Well made. Great service, value and de livery. 586377



- C40030
by:

Good value for the price 583374



- C40030
by:

Happy with ball. Put it right to work. Good value, fast ship. 582595



- C40030
by:

Fit great with my weight distribution h itch 581771



- C40030
by:

Everything came and delivered just fine I'm quite pleased Thank you. 557187



- C40030
by:

Perfect shaft length to go along with the PROSWAY BXW 1006 Blue Ox. 520939



- C40030
by:

Heavy! 512393



- C40030
by:

above my expectations 512376


Comments

Very happy with the towing system and have put over 20k miles with them.

Paul - 05/22/2019

55661

- C40030
by:

Preston and Ian were outstanding to work with and get the proper fit for my truck and trailer. Very detail oriented and everything they told me was spot on. Thanks guys! 512375


Comments

Very happy with the towing system and have put over 20k miles with them.

Paul - 05/22/2019

55660

- C40030
by:

thanks great product !!!! 499581



- C40030
by:

This is the third of this one I have purchased. One each for my 3 trucks. Very well build and rated for what I tow. 496221



- C40030
by:

I wish this could have been pre-installed in the ball mount. 480149



- C40030
by:

Great product, great customer service, I wouldn't look anywhere else. 471992



- C40030
by:

Very good quality on the product I highly recommended 463434



- C40030
by:

Great ball 461875



- C40030
by:

Product exactly as described. Fast shipping. Great over experience with etrailer 449977



- C40030
by:

product works great 445513



- C40030
by:

I bought this to go on my blue ox hitch system. Just needed to purchase the proper half inch drive socket to install it. 421192



- C40030
by:

Product is exactly as described. Great price for a nice heavy chrome tow ball. 417145



- C40030
by:

No problems work perfectly. 2001 Yukon slt towing 2008 keystone passport travel trailer. 414884



- C40030
by:

One year later our hitch has function without one "hitch". Love it! 413139



- C40030
by:

product as described 396902



- C40030
by:

Great products at a great price. 391394



- C40030
by:

Another quality item. 373860


Comments

The products are still working hard for me without failure. Great product!!

Hank H - 04/29/2018

37872

- C40030
by:

Product is as described, rock solid, fast delivery 372003


Comments

Everything is excellent

Roy C - 04/24/2018

37568

- C40030
by:

On time and as ordered. 368665


Comments

Thank you for following up. Everything has been working great.

Brian F - 04/18/2018

37405

- C40030
by:

the products works great no problems with it at all. 366520



- C40030
by:

The shipment came in very fast. All 3 hitch balls were perfect fit to trailers. I highly recommend this product. 362446


Comments

I have used this product regularly for a year and it is still outstanding!

Brent M - 04/04/2018

36864

- C40030
by:

Got this hitch for my 2014 Ram 2500. It came with an adapter to use standard 2" ball mounts I already had from my old truck. The adapter wobbled and rattled so put some duct tape on it. That stops the rattle but makes it hard to change ball mounts! I got this correct size ball mount and now no rattles or problems! Looks better too. Great Finish and welds. I got the matching Curt 2-5/16" ball and all is good now! 323608


Comments

Ball is still going STRONG!

John G - 12/05/2017

31445

- C40030
by:

High quality product, good price, timely delivery. I am a repeat customer and will be again. 310610



- C40030
by:

Solid product. Only problem I had was torqueing that big nut. Otherwise, fit my Reese hitch perfectly. 282191



- C40030
by:

It's a ball, it's chrome and it fits co rrectly. 259304



- C40030
by:

Well machined product. Excellent service. Information on transaction from purchase to delivery was always prompt. 244071


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74
Show More Reviews

Ask the Experts about this Curt Hitch Ball
Do you have a question about this Hitch Ball?


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  • The Replacement Spring Bar for Husky Towing Round Bar Weight Distribution Hitches - Qty 1 # HT31521 are designed for trailers with a total tongue weight (loaded trailer tongue weight along with any cargo behind the rear axle of your tow vehicle) between 801 and 1200 lbs. These bars will be far too strong for your trailer and could cause a rough ride and even some wheel bounce. I definitely do not recommend them for your trailer. My recommendation is to use a system more suited for...
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  • The BlueOx SwayPro # BXW1506 is a good system but I recommend the Reese Strait-Line # RP66130 over it. While both systems will be less noisy than the Equal-i-zer you referred to, the Strait-Line has the advantage because of its sway control system. The SwayPro uses a 4-point sway control system like the Equal-i-zer but the Strait-Line uses a dual cam system to prevent sway. This system's spring bars are suspended by this cam system (see accompanying photo) which ensures that the Strait-Line...
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  • Is Curt MV Weight Distribution System Correct for 2019 Crossroads ZR18RK
  • The Curt MV Weight Distribution System # C17051 may be a great choice for your 2019 Crossroads ZR18RK but it will depend on a couple factors. In order to choose the best weight distribution system you will first need to know your total tongue weight (TTW), which is the tongue weight of your fully loaded and ready to go trailer plus the weight of any cargo behind the rear axle of your tow vehicle. According to my research your 2019 Crossroads ZR18RK has a GVWR of approximately 4,500...
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  • Which Weight Distribution System is This
  • The head in your picture looks to me like it's a Reese or Pro Series system. It looks like part # RP58112 and you can even see the numbered washer to use for adjusting. This head works with a system like # RP61009. With that being said the bars do look like Curt bars and certainly don't appear to be the correct ones for that head even if they aren't. Can you send me a picture of the brackets on the trailer? If they are Curt bars and brackets you likely need part # C17075 for the...
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  • Weight Distribution System that Allows For Bracket Placement 35 Inches Behind Hitch Ball
  • The Curt Weight Distribution systems part # C17052 and C17002 brackets fit frames that are 2-3/4" wide so you will not have an issue with the brackets fitting your frame. Curt does not specify bracket placement for MV weight distribution systems however, the bars measure 30-5/8" long. The two Curt systems you mention also have a tongue weight range of 800 lbs-1,000 lbs which is very overrated for your setup with a 450 lb tongue weight. An overrated weight distribution system can cause a...
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  • Weight Distribution for a 2018 Jayco Octane SL 272 with 1,000 to 1,500 Pounds Tongue Weight
  • I looked up your 2018 Jayco Octane SL 272 (nice trailer) and I noticed a couple of things about it that could affect the fit of a weight distribution system such as # RP66074. First I noticed that on the frame behind the propane tanks it looks like there is a metal structure welded to the bottom of the frame. With the weight distribution brackets in place on the frame that extra piece on the trailer frame could make contact with the spring bars. The brackets mount 30 inches back along...
    view full answer...

  • Why Can't You Back Up with Friction Sway Control Bars
  • Friction sway control bars are designed to work fine going forward when turning or not but not designed to turn when backing up (backing up straight is fine). It can and likely will damage them because apparently the force being applied to them is different when going in reverse. there is some physics involved that, admittedly, is over my head. I don't know how your EAZ-Lift system is set up but in order to use a second friction sway control bar the head on the weight distribution system...
    view full answer...

  • Recommended Weight Distribution System for a 2014 Airstream International
  • In order to choose the correct weight distribution system for your 2014 Airstream International and your 2016 Ford F-250 we will need to find your total tongue weight (TTW). Total tongue weight is calculated by adding the loaded ready to tow tongue weight of the trailer to any cargo stored behind the rear axle of the tow vehicle. As long as your total tongue weight does not exceed 1,000 lbs then I recommend using the Blue Ox SwayPro Weight Distribution w/ Sway Control part # BXW1006....
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  • Weight Distribution Recommendation for a 9,000 Pound Trailer and 2000 Ford Excursion
  • Pro Series Weight Distribution System w/ Friction Sway Control - Round - 10,000 lbs GTW, 750 lbs TW # PS49902 is very much under rated for the tongue weight of your trailer. Considering that your measured tongue weight is 1,044 without water and other things even the 1,200 pound system # PS49904 might not be enough once loaded and ready to tow. I recommend going to a 1,500 pound system such as Curt Weight Distribution System # C17333. The only other part needed is a ball. The ball you...
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  • Weight Distribution and Sway Control Recommendation for 2018 Grand Design Reflection 315RLTS
  • We have just what you need. The Reese Strait Line part # RP66130. This system has a tongue weight range of 800 lbs - 1,500 lbs which will be perfect for your 2018 Grand Design Reflection 315RLTS. This also features the only sway control system that works to fight sway before it starts. Not all systems have sway control but this is the best option available. For a hitch ball you'll want the part # C40030, for a shank part # RP54970 if you have a 2 inch trailer hitch or part # RP54976...
    view full answer...

  • Reese Pole Tongue Adapter Compatibility with Curt Weight Distribution System
  • The Reese Pole-Tongue Adapter for Weight Distribution Systems - 7,500 lbs GTW, 750 lbs TW # RP3280 will work well with the Curt MV Weight Distribution System - Round Bar - 6,000 lbs GTW, 600 lbs TW # C17050. You will just need to add a hitch ball like # 40038 for a 2 inch diameter or # C40030 for a 2-5/16 inch option. If your trailer is aluminum, you will want to check with the manufacturer before using a weight distribution system.
    view full answer...

  • Recommended Weight Distribution System for 10,000 Pound Trailer
  • As you alluded to in your question, the most important factor to consider when choosing a weight distribution system is the total tongue weight of your setup. This will include both the loaded tongue weight of the trailer, along with any added weight coming from behind the rear axle of your tow vehicle. Ideally, you will want this number to fall around the middle of the system's tongue weight capacity range. Even though you are not sure of the trailer's tongue weight, we can make some...
    view full answer...

  • 2-5/16" Hitch Ball to Tow 14,000 lbs
  • There is a 2-5/16" hitch ball that with a capacity of 13,000 or 14,000 lbs, though you do need to make sure the hitch ball will fit your ball mount. This means the ball needs to have a shank that has a diameter as well as length to properly secure to your ball mount. Additionally, keep in mind a hitch ball with a larger capacity will not mean you can tow more if your hitch and/or vehicle is not rated for 13,000 or 14,000 lbs. The most common shank diameter is 1-1/4" and for that I recommend...
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  • Recommended Blue Ox Weight Distribution System For 2016 Air Stream Serenity 25FB and 2015 Ford F-150
  • Your 2016 Air Stream Serenity 25FB has a GVWR of 7300 lbs and a dry hitch weight of 833 lbs. This information is important in helping us determine the correct weight distribution system for your needs. Weight distribution is based on total tongue weight which is your completely loaded and ready to go camping tongue weight along with any cargo behind the rear axle of your F-150. You want that total tongue weight to be in the middle of your weight distribution system's rated tongue...
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  • Correctly Rated Weight Distribution System for Travel Trailer with 8,600 lb GVWR
  • The correct weight distribution system for you is going to be the Blue Ox SwayPro Weight Distribution w/ Sway Control # BXW1506 which is rated for total tongue weights (TTW) between 1,000 lbs and 1,500 lbs. The reason for this is the ideal system would be one in which your TTW would fall somewhere in the middle of the weight distribution system's tongue weight capacity and TTW is the tongue weight of your fully loaded and ready to go trailer plus the weight of any cargo behind the rear...
    view full answer...

  • Recommended Reese Strait Line Weight Distribution Hitch for Car Hauler With 7,000 lb GVWR
  • The Reese weight distribution system that uses cams is called the Reese Strait-Line, and based on the 7,000 lb GVWR of your car hauler the recommended system is the Strait-Line Weight Distribution System # RP66084 which is designed for total tongue weights between 600 lbs and 1,200 lbs. With your trailer and payload you should easily be in this range. The Strait-Line is designed to prevent sway with the cam system you referenced and is one of the best systems in the industry. This system...
    view full answer...

  • How to Determine if I Have the Correct Weight Distribution System
  • Since there is such a drastic difference between the weight of your Grandfather's trailer and your trailer I really don't think that the Reese Weight Distribution (WD) system that you are currently using is rated high enough. You could maybe try using 4 chain links instead of 5, but if it was rated high enough you should be seeing a level setup once it is installed. You will want to make sure that your WD system has a Tongue Weight (TW) range that the Total Tongue Weight (TTW) of your...
    view full answer...

  • Recommended Weight Distribution System for 6300lb Trailer w/ 550lb Tongue Weight
  • Your first step in choosing a weight distribution system is to identify the tongue weight of your trailer when it's fully loaded and ready to tow. This tongue weight figure should also include the weight of anything stowed behind the rear axle of the tow vehicle. These combined figures represent the Total Tongue Weight (TTW) of your set-up. The TTW of your trailer should fall as close as possible to the middle of the effective range of the weight distribution system you choose. I've linked...
    view full answer...

  • Can Trailer be Backed Up With Curt MV Weight Distribution System Installed
  • The Curt MV Weight Distribution System # C17052 does allow you to back up, however it doesn't include sway control with it. To add that you would need a friction sway control unit like the Curt # 17200 but by adding this you wouldn't be able to back up without initially disconnecting the friction sway control. If you are looking for a chain style weight distribution (WD) system then we have the Blue Ox SwayPro # BXW1006 which integrates the anti-sway so you don't have to worry about...
    view full answer...

  • Should Weight Distribution Be Used With Suspension Enhancement System On 2014 Dodge Ram 1500
  • If your truck is sagging due to your trailer then I would suggest the Reese Weight Distribution, part # RP61009. This system works with tongue weight from 600 to 1,200 lbs and 12,000 gross towing weight. This system should provide a more even ride for the trailer and the vehicle. Tongue weight is typically 10 to 15 percent of the gross trailer weight. So for a 7,000 pound trailer that would be 700 to 1,050 pounds. Suspension enhancement like part # TDR1500DQ, will help if sagging is...
    view full answer...

  • Recommended Weight Distribution System for V-Nose Trailer
  • I have a great solution for using a weight distribution system with your new V-nose cargo trailer. I recommend using the Reese Chain Hangers # RP58305 with the weight distribution system you choose. These brackets can either be bolted onto or welded to the exterior of your trailer's frame and are compatible with any chain hanger style weight distribution system. Weight distribution system chain hangers typically will need to be above the frame member on the trailer, however this kit...
    view full answer...

  • Best Weight Distribution System for Towing 1,100 lbs Tongue Weight Trailer with a GMC 2500
  • We do have a selection of Weight Distribution (WD) systems that are compatible with the 2-1/2" hitch receiver on your GMC 2500. I recommend going with a Reese Strait-Line system as it has received great reviews and is one of the few systems that has an integrated sway control that fights sway before it starts as opposed to correcting it after it starts. You will want to choose a WD system with a Tongue Weight (TW) range that the Total Tongue Weight (TTW) of your towing setup falls in...
    view full answer...

  • 2-5/16 Hitch Ball Recommendation for a Fastway E2 Weight Distribution Hitch # FA92-00-0800
  • The recommended ball for the Fastway E2 Weight Distribution Hitch # FA92-00-0800 that you have is 1-1/4 inch in diameter and with a length of 2-5/8 inches. For a 2-5/16 inch ball with those dimensions I would recommend the # C40030.
    view full answer...

  • Ball Mount to Fit a 2-1/2 Inch Trailer Hitch Receiver with 6 Inches of Drop
  • We have a couple ball mounts that are going to be very close to what you're looking for. The Curt Ball Mount # 45291 is a fixed ball mount that has 7-3/4 inches of drop and 10-1/2 inches from the pin hole to the center of the ball hole. It also has a maximum tongue weight of 1,200 pounds. However, it is steel and not aluminum. You also need a hitch ball # C40030. Another option is the Fastway Flash E Series HD Adjustable 2-Ball Mount # FA42-00-2625 that's rated up to 1,800 pounds...
    view full answer...

  • Tongue Weight Capacity of Curt # C17057 Round Bar Weight Distribution System
  • The spring bars used in weight distribution systems will work over a range of tongue weights. The Curt # C17057 round bar weight distribution system has a maximum capacity of 14,000 gross trailer weight/1400 lbs tongue weight. That's the maximum, but the system is effective on trailers with tongue weights ranging from 1000 to 1400 lbs. In order to choose the correct system, you'll need to find the fully loaded and ready to tow tongue weight of your trailer. You'll also need to include...
    view full answer...

  • Best Weight Distribution for 2014 Ram 2500 and Trailer with 1,322 Pound Tongue Weight
  • To choose a weight distribution system you will need to go by the total tongue weight of the set up. This is calculated by taking the tongue weight of the trailer, when loaded and ready to tow, and adding to that the weight of anything loaded behind the rear axle of the tow vehicle. An 800 pound system is rated much too low for a tongue weight at 1,322 pounds. You will want a system that is rated for 800 to 1,500 pounds such as # RP66130 that you have referenced. This system also comes...
    view full answer...

  • Do I Need Sway Control With My Weight Distribution System
  • When it comes to picking the correct Weight Distribution (WD) system for your towing setup there are a lot of options out there. The most important thing to keep in mind when you are looking for a WD system is your Total Tongue Weight. Total tongue weight is measured by the tongue weight of your loaded trailer plus the weight of anything that is sitting behind the rear axle of your GMC. Once you narrow down the WD system by tongue weight, choosing one usually comes down to style preference....
    view full answer...

  • Recommended Torque Specification for Curt 2-5/16-Inch Hitch Ball # C40030
  • Thank you for your purchases from etrailer. I do not see a Curt hitch ball among them but just the same I checked with my technical contact at Curt Manufacturing to confirm the correct torque spec for their 2-5/16-Inch Hitch Ball # C40030. It is indeed 450-ft-lbs which is definitely on the higher side. Our installers here do not have torque wrenches rated up to that spec; typically up to 250-ft-lbs. My contact at Curt said you'd find them only at a specialty tool shop. But you are correct...
    view full answer...


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Info for this part was:

Photos by:
Theodore B
Expert Research:
Jameson C
Video Edited:
Joshua S
Expert Research:
Adam R
Video by:
Dustin K
Updated by:
Sarah W
Updated by:
Brian T
Updated by:
Isabelle B

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