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  1. Trailer Hitch Ball Mount
  2. CURT
  3. Adjustable Ball Mount
  4. Fits 2-1/2 Inch Hitch
  5. Drop - 6 Inch
  6. Rise - 5 Inch
Curt Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop, 5-1/4" Rise - 20K
CURT

Curt Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop, 5-1/4" Rise - 20K

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$254.87
Retail:$446.95
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Trailer Hitch Ball Mount
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This heavy-duty steel, adjustable ball mount lets you tow up to 10,000 lbs with the 2" ball or 20,000 lbs with the 2-5/16" ball. Can be used in 6" drop or 5-1/4" rise positions. Fits 2-1/2" x 2-1/2" hitch receivers. Great Prices for the best trailer hitch ball mount from CURT. Curt Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop, 5-1/4" Rise - 20K part number C45902 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (799)
  • Q & A (0)
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CURT Trailer Hitch Ball Mount

  • Adjustable Ball Mount
  • Fits 2-1/2 Inch Hitch
  • Drop - 6 Inch
  • Rise - 5 Inch
  • 2 Inch Ball
  • 2-5/16 Inch Ball
  • Two Balls
  • 20000 lbs GTW
  • Class V
  • CURT
  • Steel Shank - Gloss Black
  • Steel Ball

This heavy-duty steel, adjustable ball mount lets you tow up to 10,000 lbs with the 2" ball or 20,000 lbs with the 2-5/16" ball. Can be used in 6" drop or 5-1/4" rise positions. Fits 2-1/2" x 2-1/2" hitch receivers.


Features:

  • Ball mount with built-in hitch balls lets you hook up your trailer to your tow vehicle
    • Shank slides into hitch receiver
    • Ball provides connection point for trailer coupler
  • Adjustable height lets you tow trailers of different heights with the same vehicle
    • Slide ball mount up or down along shank and secure in place with included pins and clips
  • 2 Different-size hitch balls let you tow trailers with different coupler sizes
    • To switch ball, simply remove pins, rotate balls, and reinsert pins
    • Adjusts in 1" increments
  • Channel-style mount also lets you attach a pintle hook (C45922 - sold separately)
  • Anti-rattle design helps to reduce towing noise
  • Heavy-duty steel construction
  • Black powder coat on ball mount and zinc coating on balls resists corrosion
  • Hitch pin and clip included


Specs:

  • Application: 2-1/2" x 2-1/2" trailer hitch receivers
  • Gross towing weight:
    • When used with 2" ball: 10,000 lbs
    • When used with 2-5/16" ball: 20,000 lbs
  • Tongue weight: 2,000 lbs
  • Distance from center of hitch pin hole to center of ball:
    • Hitch pin hole closest to ball: 10-3/8"
    • Hitch pin hole farthest from ball: 11-3/8"
  • Distance from center of hitch pin hole to the closest point of the support gusset:
    • Hitch pin hole closest to gusset: 3"
    • Hitch pin hole farthest from gusset: 4"
  • Maximum rise: 5-1/4"
  • Maximum drop: 6"
  • Pin hole diameter: 5/8"
  • Interior channel width: 3"
  • Limited 1-year warranty


How to Measure Drop on Adjustable Ball Mount


45902 Curt Channel-Style Adjustable Ball Mount w/ 2" and 2-5/16" Balls

Item # C45902





Customer Satisfaction Score:


Customer Reviews

Curt Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop, 5-1/4" Rise - 20K - C45902

Average Customer Rating:  4.9 out of 5 stars   (799 Customer Reviews)

This heavy-duty steel, adjustable ball mount lets you tow up to 10,000 lbs with the 2" ball or 20,000 lbs with the 2-5/16" ball. Can be used in 6" drop or 5-1/4" rise positions. Fits 2-1/2" x 2-1/2" hitch receivers.

by:

I've used this hitch before on a 3500 Dodge Cummins. Unfortunately I sold the truck and forgot to remove my hitch. So I purchased it again for a 3500 Chevy Silverado. I had this hitch for several years and pulled a $14,000 lb capacity tandem axle trailer with it . I was then able to adjust it for pulling a boat or my smaller trailer when needed. Very pleased with the product and quality



by:

This is a great very HD hitch. with a 20K tow rating I feel secure hauling heavy loads. The adjustable height allow you to have your trailer level like it is designed to be.



by:

The product was well described on the web site. The truck matching worked great and was easy to use.
This hitch was very easy to order and the price was good.
The delivery date was correct, it was easy to follow with the information provided.
The hitch was as advertised, easy to install and easy to use.
Great Job!

Dean M. profile picture

Dean M.

7/6/2020

I have had this hitch for a year and it has towed trailers all over the northeast. It is still in great shape and works great.



by:

I have been completely satisfied with this product. Very durable, solid beyond my expectations. Whether towing 1/2 ton or 6 tons I have no concerns that the trailer and load aren't safe and secure. Would purchase again but won't need to as this hitch was built to last.



by:

First of all, ETRAILER is a great company in my opinion. Their selection, prices and customer service are all great.

This hitch is stout! I'm the type that I'd rather have more capability than what I may actually use. For what I will use this for, I'm 100% sure it will be way more than I'll ever need but I'm also confident that I would not have any issues using it regularly at it's maximum capability. The construction of it is top notch and I'd be willing to bet it can do more than what it's rated for.

I will definitely be ordering the 20K Pintle that works with this as well as a Curt 5th Wheel and Gooseneck. Thank you ETRAILER and thank you CURT for amazing service and and amazing product.



by:

Hitch is very heavy duty which is nice. Think some more engineering could go into it so you don’t have to use the Allen to snug hitch to keep from rattling. I ended up purchasing the rubber inserts. Definitely recommend if towing heavy trailers.



by:

very easily adjustable for how sturdy it is



by:

The hitch arrived quickly and as expected. Normally a hitch that weighs as much as this one (37.5lbs shipped) is hard to order online due to the weight of the item but etrailer really made it easy. The interaction with the folks from etrailer was perfect. They were detailed in their email and made every effort to make this a personal experience.



by:

The product is everything they said it was and more, the adjustment capabilities are great along with the ability to extend the receiver. I plan to pull a 26 foot car trailer at about 12,000 pounds loaded. The service and concern as always was excellent. I highly recommend this product and certainly etrailer.



by:

Great Product, Great Service



by:

Super strong, not much noise. Have it on a ram 2500 on 35” tire with stock suspension and it goes low enough for my 4x8 trailer and tall enough for my dump trailer and flatbed



by:

Just what I needed for the Ram 2500, so I can pull smaller trailers and keep them level.



by:

Great product. I bought one for myself a year ago and ordered this one for a coworker.



by:

I have used this hitch for a couple years and have been impressed with it. Also shipping was fast and on time.



by:

Arrived on time and in good condition. Works great.



by:

Heavy, simple, solid. The clever anti-rattle feature is nice too; Great ball mount!



by:

I ordered the adjustable ball mount and it showed up in two days and in perfect shape. Etrailer has always delivered parts very timely. Thanks.



by:

Very strong and durable hitch. Elevation and dropping is very convenient.

2 big issues with his hitch.

1) does not have an option to buy a 1 7/8 ball.
2) even with a pin lock on the hitch, the balls can still be stolen with its design. If the balls are stolen they can not be easily replaced or cheaply.

Overall, does the job, but once it is stolen, I’ll be buying something better theft protection.

Mike L. profile picture
Etrailer Expert

Mike L.

3/31/2018

As with any ball mount, it is recommended to remove it from the vehicle when it is not being used. This will protect it against theft and corrosion. Some States actually mandate that a ball mount be removed when not towing. If removing the ball mount is not feasible, a hitch lock # e98881 can be used in place of one of the pins that hold the ball in place.

Jared profile picture

Jared

3/30/2019

Hitch hasn’t been stolen. Easy hook up. Pulls 12k with ease. Rust build up is a little disappointing, but still have plenty of life in it. Hitch has saved my bumper from damage several times.



by:

This is a heavy duty hitch set up. I have only used it a few times but I know what ever I hook up to. it will get the job done. I have towed a full size suv and a large heavy duty trailer with no problems. This hitch should give a life time of service and then some. If your looking for a heavy duty hitch set up. This is the one you want. Only thing negative is it needs to be able to accommodate a1 7/8” ball. Other than that it’s perfect.
Thanks etrailer for having outstanding products like this to offer your customers.

Chuck D. profile picture

Chuck D.

1/12/2021

Still looks good and no issues. Does what it was made for. You won’t go wrong with this hitch.



by:

Overall quality looks good . Powder coating is less than adequate 1 day in the rain it has rust on it

Laura E. profile picture
Etrailer Expert

Laura E.

7/10/2017

So sorry to hear of any inconvenience with your order. Since this product is covered by a 1-year limited warranty, I have forwarded your review to our customer service department for direct follow-up with you.



by:

Very well made and heavy duty.



by:

What is there to say about a perfect hitch like this one? Why haven't you got it yet would be it. I have a 2015 Dodge Ram 2500 and it went low enough for any trailer I pulled. Performed perfectly at pulling any trailer, of any size, of any weight. Still use it today (2023) It does have a locking bolt if you don't like hitch ball rattle. But you don't have to use it and it works fine without it. The hitch rattle doesn't bother me. I guess the only thing I would have liked is if it had come with another drop hitch with 1 7/8 ball on one side. And maybe a hook or a hole for a clevis on the other side.



by:

Easy to adjust and strongly built

Wayne profile picture

Wayne

1/2/2021

No problems at all.



by:

This is the quickest and easiest ball mount I have ever seen or used. Just by pulling 2 pins you can easily adjust the ball height and size in seconds. Very pleased with Curt product. Etrailer.com has great products and great service.



by:

I have dealt with these folks before, timely shipment, product received as advertised


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Show More Reviews

See what our Experts say about this CURT Trailer Hitch Ball Mount

  • Will Curt Lock Set Fit Curt Adjustable 2-Ball Mount for 2" and 2-1/2" Hitches
    Yes, the Curt Lock Set # C23556 will work with both the # C45900 and # C45902 meaning the 2-1/2" hitch won't be a problem. The pair of locks comes keyed alike but there is no option to match the keys between the sets of locks.
    view full answer...
  • Availability of 20k Adjustable Ball Mount that Can Adapt to Pintle Hook
    Since there isn't a pintle adapter for the Fastway adjustable ball mount part # FA49-00-5625 that has a 20k capacity your best option that's similar is the Curt Adjustable Ball Mount # C45902 which also has a 20k capacity. To convert this to a pintle you'd need the # C45922.
    view full answer...
  • Availability of Locking Pin For Curt # C45902 Adjustable Ball Mount
    There is indeed a locking hitch pin set, part # C23556. This part number includes two locks, one hitch pin lock and one locking pin that would replace one the retaining pins that keeps the ball assembly in place. The locks are keyed alike.
    view full answer...
  • Adjustable Ball Mount With the Furthest Hitch Pin Center To Hitch Ball Center For Utility Bed Truck
    The Gen-Y Torsion 2-Ball Mount # 325-GH-1324 is going to be the adjustable ball mount which gives you the greatest distance from your hitch pin hole center. From the furthest hole center to ball center this is 16" length. That is 2-3/4" further than the Curt Rebellion XD Shock Absorbing Adjustable Ball Mount # C57UR and 4-5/8" further than the Curt Adjustable 2-Ball Mount # C45902 that you currently have. The InfiniteRule Lock Set # 34061651-D will allow you to secure all the parts of...
    view full answer...
  • Will The Curt Adjustable Ball Mount # C45902 Work With Rock Tamers On A 2012 Ram 3500
    Yes, you will be able to use the Curt Adjustable 2-Ball Mount # C45902 with your Rock Tamers on your 2012 Ram 3500. The Curt Ball Mount has two hitch pin holes so use whichever one that leaves a 1 inch gap between your hitch collar and the adjustable part of the Curt ball mount so your can properly mound your Rock Tamers. I like this ball mount over the others because it has a channel-style mount which will allow you to attach a Pintle Hook # C45922 (sold separately) if you would like....
    view full answer...
  • Pintle Setup Similar to Fastway Adjustable Ball Mount FA49-00-5625
    Since there isn't a pintle attachment that fits the Fastway Adjustable Ball Mount # FA49-00-5625 your best option that's similar is the Curt Adjustable Ball Mount # C45902 which also has a 20k capacity.
    view full answer...
  • Can Anti-Rattle Rubber Insert be Used for 20K Curt Adjustable Shank for 2-1/2 inch Hitch Receiver
    Yes it will! The Rubber Bumper # C45921 is a direct replacement for the Curt Adjustable Ball Mount # C45900 but the only differences between the shank that comes with that system and the Replacement Shank # C45917 that you referenced is the weight capacity and the size of the shank that fits into the hitch receiver. The ball mount kit # C45902 that the larger shank is a replacement for does come with an anti-rattle bolt that installs in one of those holes at the back-side but we have a...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for
  • Comparing Curt and Flash Adjustable 20,000LB 2-Ball Mount Hitches
    The Curt Adjustable 2-Ball Mount # C45902 is manufactured overseas. If you are looking for a similar made in the USA adjustable ball mount the Flash Solid Steel HD Adjustable 2-Ball Mount # FA49-00-5625 has the same 2-1/2" receiver, 6" drop, 20,000lb rating with the 2-5/16" hitch ball and 2,000LB tongue weight rating. The Flash 2" hitch ball has 12,000lb rating versus only 10,000lbs on the Curt. The Hitch Lock and Adjustment Pin Lock Set # FA86-00-4225 will ensure that your ball mount...
    view full answer...
  • Will the Curt Ball Mount part # C45902 Work with the Curt Pintle Hook part # C45902
    Yes the Curt Pintle Hook with 2-5/16" Hitch Ball part # C45922 is designed to be used with the Curt Adjustable 2-Ball Mount part # C45902. The ball mount has the three inch channel that the pintle hook requires to work. You will use the pins for the ball set for the pintle hook as well.
    view full answer...
  • Is there a Ball Mount Larger than a Class V 2-1/2 Inch
    If your hitch receiver opening is larger than 2-1/2 inches then the next step up is a 3 inch if you are talking about physical size and not capacity. The 3 inch ball mount you need is # 40701 if this is the case. The hitch ball to fit is # C40085. This is not a common size though so I do recommend verifying the size of the receiver opening on the hitch. I have also included a link to our ball mount main page. If you mean capacity then the highest capacity 2-1/2 inch ball mount that we...
    view full answer...
  • Recommended Locking Pin Set For Curt Adjustable 2-Ball Mount # C45902
    We have just what you need. For your Curt Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop, 5-1/4" Rise - 20K # C45902 you will need the Curt Lock Set for Adjustable Channel-Style Mounts # C23556 which was made specifically for this ball mount and will be plenty stable at 20000lbs. I included videos of the products mentioned for you to take a look at.
    view full answer...
  • Raised Plates on the Shank of the Curt Adjustable 2-Ball Mount Part # C45902
    The raised square plates on shank of the Curt Adjustable 2-Ball Mount part # C45902 are present on older versions of the ball mount but not all. The new version of this ball mount has the smooth shank like you have mentioned. The version of this ball mount we carry is the one that has the rounded shank.
    view full answer...
    Image 1 for
  • Anti-Rattle Device for Curt Adjustable Ball Mount # C45902 on a 2013 Ram 3500
    There are 3 places of possible movement for Curt adjustable ball mount # C45902: the 2 pins that hold the ball to the shank and between the shank and the hitch itself. If you have that screw at the ball part nice and tight then you are probably getting movement at the hitch receiver. To keep the screw from coming loose a lock washer could be used. You can reduce or even eliminate movement at the hitch using an anti-rattle device such as # RSCP. With adjustable ball mounts like this there...
    view full answer...
  • Highest Capacity Adjustable Ball Mount Recommendation for 2-1/2 inch Hitch
    The highest rated adjustable ball mount we offer that is designed to fit a 2-1/2 inch hitch like the Class V hitch of your 2016 Ram 2500 is the Curt Ball Mount part # C45902 which has a 20k capacity when you use the 2-5/16 inch hitch ball and a 10k capacity with the 2 inch hitch ball. I attached a review video for this ball mount for you to check out as well.
    view full answer...
  • Compatibility of Curt Locking Pins on Curt Adjustable 2-Ball Mount C45902
    Yes, the Curt locking pins # C23556 will work great for the Curt Adjustable 2-Ball Mount # C45902. I was able to go out to the warehouse and confirm the fit for you.
    view full answer...
  • 3-Ball Adjustable Ball Mount for a 2-1/2 Inch Trailer Hitch Receiver
    Since you use all three common ball sizes regularly I recommend an adjustable ball mount that comes with all three since there isn't a 1-7/8 and 2 inch combo for # C45902. There are several options for a 2-1/2 inch hitch such as # BWTS20049B. I have included a link to all of the options with 3 balls that fit 2-1/2 inch hitches.
    view full answer...
  • Adjustable 20,000 lb Ball Mount Option with Silver Colored Hitch Ball
    I have a possible solution for you, but Curt does not offer a silver two ball attachment for the Curt Adjustable Ball Mount # C45902. One possible solution for you is the Fastway E Series HD Adjustable 18K Ball Mount # FA42-00-2625. A nice feature about the Fastway ball mount is the corrosion resistant aluminum construction. This will be good if you are in a cold climate with salt on the roads. A hitch lock is also available for this ball mount, # FA86-00-3685. If you don't need both...
    view full answer...
  • Can the Ark Articulating Coupler Be Used with an Adjustable Channel Mounting Ball Mount
    We haven't tested using an Ark Articulating Coupler # AR44FR with a Curt Adjustable ball mount like the # C45902 and I don't think this is going to work because of the limited clearance from the hitch ball to the channel. You'll instead want to use a ball mount with a drop like the # C45338 specifically for towing with the AR44FR, since it will allow the coupler to move freely. I've linked an article on how to properly measure for a drop/rise ball mount to this answer in case you're not...
    view full answer...
  • Pintle Hitch Ball Mount Rated for Over 20,000 Pounds for 2-1/2 Inch Trailer Hitch
    There isn't a pintle adapter for ball mount # C45902 rated for 21,000 pounds but I may have a solution for you. What you could do is use ball mount plate # 337PM25812 with Convert-A-Ball pintle hook combo # PH1. When used as a pintle hitch the capacity will be 20,000 pounds. Or for a pintle/ball combo we have # C48012 rated for 20,000 pounds but it is not adjustable. I know that falls just under the 21,000 pounds you are looking for but to go above that you would need a 3 inch hitch.
    view full answer...
  • Is Replacement Shank Available for Curt Adjustable 2-Ball Channel Mount with 10-3/8" Drop
    The Replacement Shank # C45917 is for the Curt Adjustable 2-Ball Channel Mount # C45902 which has a 5-1/4" rise/6" drop. I reached out to Curt and my contact said that at this time (July 2020) there is no replacement shank for the Curt Adjustable 2-Ball Channel Mount # C45927 so you'll have to pick up the entire ball mount to use this shank.
    view full answer...
  • Comparing Flash Solid Steel HD Adjustable 2-Ball Mount and Curt Channel Adjustable 2-Ball Mount
    The weight of the Flash Solid Steel HD Adjustable 2-Ball Mount # FA49-00-5625 that you referenced is 37 lbs, and the weight of the Curt # C45902 is 36 lbs. So in that regard they are essentially the same. They really are quite a bit alike in most ways. Same capacity at 20,000 lbs, both fit 2-1/2 inch hitches, both can do same amount of drop at 6 inches, both are highly reviewed by our customers, and both have very similar prices. I'd say the edge goes to the Curt though since it has two...
    view full answer...
  • Replacement Hitch Ball for Curt Adjustable Channel
    There are replacement ball mount platforms available for each of the Curt channel style adjustable ball mounts. If you have the Curt Channel Style Adjustable Ballmount - 2" & 2-5/16" Balls # C45900 then you would want Replacement 2" and 2-5/16" Dual-Sided Hitch Ball # C45912. Should you have the Curt Adjustable 2-Ball Mount - 2-1/2" Hitch # C45902 you'd be looking for Replacement 2" and 2-5/16" Dual-Sided Ball for Curt 2-1/2" Adjustable Ball Mount # C45923.
    view full answer...
  • Best Trailer Hitch for a 2008 GMC Sierra 2500
    The best trailer hitch for your 2008 GMC Sierra 2500 will vary depending on what you're going to use it for and possibly whether you have an 8 ft. or 6-1/2 ft. bed. If you need to haul a lot of weight I would suggest the Curt Class V CD 2-1/2" # C15703. This will get the most out of your truck for your dollar and will work with either length of truck beds. The Curt Class III # 13208 will also work with both bed lengths and would be more appropriate if you're not hauling as much weight. I...
    view full answer...
  • Locking Pins for Curt Adjustable Ball Mount # C45902
    For Curt adjustable ball mount # C45902 the locking pin set is # C23556. The pins don't have an official capacity but technically 5/8 inch diameter solid steel is going to have a capacity much higher than the hitch or vehicle. The hitch pin has a useable span of 3-1/4 inches which should be long enough for the outer width of your 2-1/2 inch hitch but it never hurts to measure to be sure.
    view full answer...


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