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  7. Trunnion - 7 Inch Drop
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW
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Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW

Part Number: C17121
31 Reviews | 32 Questions
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$144.72
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curt accessories and parts weight distribution hitch shanks shank - 12 inch long 7-1/2 or 7 drop 1 500 lbs tw
curt accessories and parts shanks fits 2 inch hitch
curt accessories and parts weight distribution hitch round - 7 inch drop trunnion
curt accessories and parts shanks fits 2 inch hitch c17121
curt accessories and parts shanks round - 7 inch drop trunnion c17121
curt accessories and parts weight distribution hitch fits 2 inch shank - 12 long 7-1/2 or 7 drop 1 500 lbs tw
curt accessories and parts weight distribution hitch fits 2 inch c17121

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0 accessories and parts curt weight distribution hitch fits 2 inch shank - 12 long 7-1/2 or 7 drop 1 500 lbs tw

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Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW customer photo
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12" Tall shank offers a 7-1/2" drop or 11-3/4" rise when used with round-bar models, a 7" drop or 10-1/2" rise when used with trunion-bar models. Fits 2" trailer hitch receivers in both rise and drop positions. 1-800-940-8924 to order CURT accessories and parts part number C17121 or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW. Accessories and Parts reviews from real customers.
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CURT Accessories and Parts - C17121

  • Weight Distribution Hitch
  • Shanks
  • Fits 2 Inch Hitch
  • CURT
  • Round - 7 Inch Drop
  • Trunnion - 7 Inch Drop
  • Round - 11 Inch Rise
  • Trunnion - 10 Inch Rise
  • 1400 lbs TW

12" Tall shank offers a 7-1/2" drop or 11-3/4" rise when used with round-bar models, a 7" drop or 10-1/2" rise when used with trunion-bar models. Fits 2" trailer hitch receivers in both rise and drop positions.


Features:

  • Shank slides into your hitch receiver and provides the attachment point for your weight distribution system's head assembly
    • Designed for use with Curt weight distribution systems
  • 9 Adjustment points for attaching the head assembly
    • Lets you level your trailer with your tow vehicle
  • Drop or rise positions available to fit your application
  • Black powder coated steel resists rust and corrosion


Specs:

  • Application: 2" x 2" trailer hitch receivers
  • Weight capacity: 15,000 lbs
  • Tongue weight: 1,500 lbs
  • Overall shank height: 12"
    • Holes are spaced 1-1/4" apart on center
  • Overall shank length: 16"
  • Maximum drop:
    • Round bar system: 7-1/2"
    • Trunion bar system: 7"
  • Maximum rise:
    • Round bar system: 11-3/4"
    • Trunion bar system: 10-1/2"
  • Distance from center of shank pin hole to back of adjustment shank: 11"
  • Distance from center of adjustment holes to center of shank pin hole: 12"
  • Distance from front of shank to center of shank pin hole: 13"


Dimensional Diagam



17121 CURT Weight Distribution Shank







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Customer Satisfaction Score:

Ratings & Reviews

4.8

31 reviews
5 Stars
(28)
4 Stars
(1)
3 Stars
(0)
2 Stars
(2)
1 Star
(0)
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by:
This shank was just what I needed for my application. The service and response time from etrailer was fantastic! I placed the order after 6:00pm Monday night, and had the box at my front door before noon on Wednesday. And, that was with standard (free) shipping.
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Michael

12/12/2020

I have used this shank on my Tahoe for a year. It has performed perfectly. It allows the hatch door to be openedclosed while the trailer is connected.

by:
As advertised! Quick shipping and good communication!
by:
The 12" drop shank will work great for my traier hitch height. My trailer height to the top of the ball is only 18". That was a problem since I needed a WDH and that does not allow for round bar or trunion set up below tha A frame. I went with the Camco Eaz-Lift Recurve R3 WDH so the round bars would be on the top. That gives me the the clearance under the trailer A frame when towing, The drop shank is a very solid and well built unit. You guys always have great customer service and I will be buying many items from you in the future. I'm going to purchase your 4 set of Flap Jacks next.
by:
My first try at 'RV Trailer' but after purchasing a used 31' Holiday Rambler I discovered I didn't like riding a Disney Tea Cup while pulling the trailer. Seems my receiver at 20" was actually 24" making the trailer tongue too high. My first order was not due to ship until after I left, contacted customer support and Vanessa researched my problems: Rock Tamers Heavy-Duty mud flaps and 4 inch drop. With the C17121 I modified the Rock Tamers and gained my drop with an extra 1.5" or one hole left. The customer service was beyond belief and the product arrive on time, packed as if it was an egg which was hard to do with all that solid steel, lots of solid steel. Overall 10 star experience for me...
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by:
I needed more clearance between my tongue jack and tailgate. This item was the perfect fit. I also had an issue with the trailer not responding to steering inputs from my Ram 2500. The trailer was just too close to the truck and it responds great to steering inputs now. Very satisfied.
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by:
Perfect solution for our 2016 Ford F350 and horse trailer. It's now perfectly level.
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by:
Got what I wanted - extra tailgate clearance from jack. Had to have the vertical trimmed a couple of inches. Works with my Fastway E2 round bar
by:
I couldn’t be happier with the product or the service. Shawn called me when there was an issue with delivery on the product I ordered and did an awesome job of finding an alternative. Outstanding!
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by:
Received the hitch bracket and packaging was sufficience. The tongue is significantly longer than the standand tongue was. The bracket provided the correct drop I needed for my loadleveling hitch. It would have been better to see a picture of the bracket with dimensions prior to purchasing so I would have know what I was buying. It does work as designed.
by:
It fit perfectly on my lifted f250. Also it gave me enough flexibility because it's very adjustable so I'm very happy with the shank. I was able to use this shank with an existing weight alignment hitch that had circular bars for the weight distribution system. Thanks
by:
I am happy with this product. It allowed me to use a weight distribution hitch and drop it down low enough to keep the trailer level. It is heavy and well built. First time out I pulled a heavy trailer 1700 miles and it performed flawlessly.
by:
Hitch shank is for my new 2020 Ram 2500 and is exactly what I hoped for. Allows enough drop for level towing of my travel trailer. Nice surprise is I can open my tailgate with trailer hitched up. Ordered on Saturday and arrived Wednesday morning with free shipping. E-trailer comes through again, thanks.
by:
Worked great for towing my camper with Jeep Wrangler Unlimited. The trailer tongue clears the spare tire now.
by:
I have a 2001 Dodge Ram 2500 4x4. The drop down works great with my bumper pull 24’ trailer. The trailer rows well and sits level.
by:
This hitch is exactly what I ordered and it works perfectly.
by:
Welds were not great. Voids and imperfect beads. Had to take to weld shop and pay to reinforce the welds. Welds weren't like the video or pictures. Didn't have time to send back because of impending Rv trip. So just reinforced the welds ground flat and repainted with Bed liner paint from rust oleum ????
by:
Unbelievable service !! Cathy was awesome gave her the measurement for a drop hitch and she sent me exactly what I needed . Ordered on Wednesday at 9am and received it Thursday at 12pm . Everything was perfect. Unbelievable service!! Thank You !!
by:
Very nice product, exactly as described, very heavy duty. Quality is definitely 5 star. Ordered on a Sunday arrived on Wednesday, fast shipping as usual.
by:
Works perfectly, bought it for my H2 because of the rear spare tire. Good buy!!
by:
I ordered, it arrived. So simple, yet sometimes doesn't work out so good. It worked out great! Thanks etrailer!
by:
The shank is perfect for pulling an airstream trailer. Service is perfect too
by:
Looking to add this to my setup since my stock shank only drops a total of 2". George J. You are the man!
by:
Received it quicker than anticipated. Great product.
by:
Works great. Needed for 3/4 ton truck which sat too high.
by:
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See what our Experts say about this CURT Accessories and Parts

Do you have a question about this Accessories and Part?
  • How to Determine Correct Drop for Weight Distribution Shank
    To find the correct rise or drop what you need to measure is the from the ground to the top of your hitch receiver opening, which it sounds like you have done and got 25-1/2". You also need to measure from the ground to the bottom of the coupler. You said the trailer is 18-1/2" off the ground so you just want to be sure this measurement is to the bottom of the coupler. The correct drop for a weight distribution shank will be the difference between the hitch height and coupler height, which...
    view full answer...
  • Best Weight Distribution System to Use when Testing Out Multiple Travel Trailers
    Since there is going to be a variety of trailers, getting something that will fit all of the applications is difficult. Don't worry, though. We have you covered. The best one for you is going to be the Fastway e2 Weight Distribution System, part # FA92-00-0800. This one can support tongue weights from 400 - 800 pounds. Going up to 800 pounds is important because once you load the trailer of those 600-pound tongue weight ones, the tongue weight will go up. You may even be able to load that...
    view full answer...
  • Looking for a Tube Mount Hitch
    Hey Bob, thanks for reaching out! The Curt # C17121 is a replacement weight distribution shank, I don't see a tube mount available option. If you can let me know what you're looking to mount, I'd be happy to help find a solution. What vehicle or equipment are you looking to setup?
    view full answer...
  • Availability of Drop Shank for Curt Weight Distribution System
    Hey Charlie, yes the shank of the Curt Deep Drop Adjustable 2-Ball Mount # C49NR would work to replace the shank of your Curt weight distribution system but it might make more sense to just go with a drop shank like the part # C17121 instead if all you really need is the shank?
    view full answer...
  • Will I Need a Longer Weight Distribution Shank if I Switch to a Lifted Truck?
    If you only have the shank that came with your Blue Ox SwayPro system, then you will almost definitely need a longer shank to tow with a lifted F-350. The good news is the brand isn't all that important because most shanks are interchangeable between brands and we can help you figure out what size shank you will actually need. I attached a help article to this page that talks about how to find the correct rise or drop for a ball mount. Basically, you will just want to get your truck and...
    view full answer...
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  • Can the Curt # C17121 Shank be Used with a Blue Ox Weight Distribution System
    Yes you can! All of our WD shanks, including the Curt # C17121 that you referenced, are compatible with other WD systems. The part where the head of your WD sits is 2" wide and the mounting holes are 1-1/4" apart on center. I have attached a review video for you to reference as well.
    view full answer...
  • 6 Inch Drop Weight Distribution Shank Recommendation for a Pro Series WD System
    I attached a link to the right that details how to pick out the correct rise/drop ball mount for you to check out. First we need to determine exactly how much drop you need. It sounds like you need 6 inches of drop. Which for a shank for your Pro Series Weight Distribution system that can do 6 inches of drop you would want the Reese Weight Dist Shank # RP63971 that you referenced as it can do a max of 6-1/2 inches of drop with a round bar WD system. If you have a trunnion bar setup you...
    view full answer...
  • Will a Curt Shank Work with a Pro Series Weight Distribution System
    Yes, you can use the Curt shank # C17121 with your Pro Series weight distribution system # PS49901. Its shank and the Curt shank both have 3/4 inch diameter holes that are spaced 1-1/4 inches apart on center.
    view full answer...
  • Weight Distribution Shank for Fastway e2 with More Drop and Longer Shank than Included Shank
    I can certainly help you choose a weight distribution shank that will offer you more drop and stick out further from the trailer hitch receiver. Since the shank that comes with the Fastway e2 # FA92-00-1000 offers a 1-5/8 inch drop and you need an additional 3 inches of drop, I found 2 different weight distribution shanks that I recommend, as they offer approximately 5 inches of drop and will sit further away from your truck. The Curt Weight Distribution Shank, 12 Inches Long # C17121...
    view full answer...
  • Recommended Weight Distribution Shank for 5-1/2 Drop
    If the 21-1/2" measurement that you took on your 2018 Chevy Silverado is from the ground to the top of the inside of the trailer hitch receiver and the 16" of your trailer is from the ground to the bottom of your coupler then that means you need a drop of 5-1/2". The closest that we have to this measurement is the Reese # RP3215 which gives you a drop of 5-3/4" for a trunnion weight distribution (WD) system. You may also be interested in the Curt WD Shank # C17121 because it can provide...
    view full answer...
    Image 1 for
  • Rise and Drop of Curt Weight Distribution Shank # 17121
    Curt measures rise and drop differently and they also round to the nearest whole number. We measure rise or drop from the top of the trailer hitch receiver opening to the top of the ball platform (or in this case to the top of the weight distribution head ball platform). And we do not round off the numbers.
    view full answer...
  • Shank With 5 Inch Drop Compatible With Reese Steadi-Flex RP66558
    There are shanks with the drop you need that are compatible with the Reese Steadi-Flex Weight Distribution System with Sway Control # RP66558. Weight distribution shanks are interchangeable so what you can use is the Curt Weight Distribution Shank # C17121. This shank has a maximum of 7 inches of drop with a trunnion bar system like the Steadi-Flex so it's exactly what you need. Additionally, the Steadi-Flex is compatible with your 2 x 6 frame and top-mounted coupler, so the only other...
    view full answer...
  • Recommended 2" Weight Distribution Shank with 6 Inches Plus of Drop
    It sounds like you're looking for a weight distribution shank with more drop to level the trailer and if that's the case we may have an option for you. In order to see how much you need, measure from the ground to the top inside edge of the receiver on the vehicle and then from the ground to the bottom of the trailer coupler while the trailer's level. The difference between these two measurements will be your rise/drop requirements. The Curt Weight Distribution Shank part # C17121 for...
    view full answer...
  • Can Shank of Curt Weight Distribution C17499 be Replaced with One with More Drop
    Yes you can replace the shank of the Curt weight distribution system part # C17499 with one that has more drop so that your trailer can be towed level. For that the Curt part # C17121 would give you a drop of up to 7 inches.
    view full answer...
  • Which Weight Distribution Shank for 24 Inch Receiver Height and 17 Inch Coupler Height
    Ideally, you'll want your weight distribution head to sit about 3/4 to 1-1/2 inches higher than the level coupler height of the trailer to compensate for trailer squat. Since the difference in your coupler and receiver height is 7 inches, I'd recommend you go with a shank that offers at least a 6 inch drop, like the Curt # C17121. This would put your trailer ball about 1 inch above level, which would be absolutely perfect.
    view full answer...
  • Recommended Weight Distribution System Drop Shank for Pro Series Round Bar System
    The Pro Series Weight Distribution System # 49570 you mentioned only has a maximum 2 inch drop with the shank that comes with the system. You most definitely need a longer shank for the height of your truck compared to your trailer coupler height. I recommend the Fastway e2 Weight Distribution Shank - 12" Long - 12-1/2" Rise 9-3/4" Drop - 1.2K TW # FA92-02-4315 which will give you the drop needed and will also accommodate the tongue weight of your system. You can alternatively use the...
    view full answer...
  • Recommended Weight Distribution Shank w/a 7" Drop
    Hey Brian. The 8,000 lbs Blue Ox TrackPro item # BLU47FR does not have an option that includes a shank with a 7" drop. Blue Ox does not have one that big that can be purchased separately either but I have a solution for you that'll allow you to level your truck and trailer. To get 7" of drop, you'll need the Curt Weight Distribution Shank item # C17121. This shank is compatible with Blue Ox weight distribution systems like the item # BLU47FR. It fits a 2" hitch and has a 1,500 lbs tongue...
    view full answer...
  • Shank For Use With Husky Weight Distribution
    Hi JazR, By compatible receiver are you referring to the weight distribution shank? If so, they are interchangeable between manufacturers so you can use one with your Husky weight distribution so long as it has the right rise or drop you need. For example if you have a 2 inch hitch and need 7 inches of drop you could use the Curt Weight Distribution Shank # C17121. I have added a link below to our entire selection of shanks which you can filter through by rise/drop. If you happened...
    view full answer...
  • Recommended Weight Distribution System Shank for Lifted Truck Compatibility
    We do not offer a swap of shanks in our weight distribution systems, but we do offer different shank sizes separately. The Pro Series Weight Distribution System - Round - 10,000 lbs GTW, 1,200 lbs TW # 49570 is a very nicely priced system which you can add # 83660 to for sway control, so I do understand the draw if we were able to simply swap the shank for a better price. I recommend using the Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW # C17121 or...
    view full answer...
  • Recommended Shank For More Rise or Drop With Round Bar Weight Distribution Hitch
    Sounds like you don't have the correct rise or drop with your weight distribution hitch which is why you aren't level, and you don't need a brand new hitch, you can simply get a new shank. You didn't mention the exact one model you have, but so long as your current shank has 1-1/4" adjustment between the holes, you can use any brand. You mentioned # FA94-00-1061 looking like yours, and that's a round bar system, so here are the options for the maximum rise or drop for round bar weight...
    view full answer...
  • Can I Use the Curt Weight Distribution Shank 17121 with a Curt TruTrack WDH
    Yes. You can use the Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW # C17121 with the Curt TruTrack Weight Distribution System w/ Sway Control - Trunnion - 10,000 lbs GTW, 1,000 lbs TW # C17500.
    view full answer...
  • Recommended Weight Distribution Drop Shank For 4 To 5 Inch Drop On Husky Centerline System
    For your Husky Centerline weight distribution system I recommend the Husky Weight Distribution Shank - 10" Long - 4-1/2" Rise, 6-3/4" Drop # HT31518. For another cost effecient option, I recommend the Curt Weight Distribution Shank - 12" Long - 7-1/2" or 7" Drop - 1,500 lbs TW # C17121 which will also work well with your system.
    view full answer...
  • Compatibility of Curt Weight Distribution Shank with Reese Strait-Line Weight Distribution System
    Weight distribution shanks from Reese and Curt Manufacturing both use the same 1-1/4 inch hole spacing. Ideally, you'd want the manufacturer of the W/D system and the shank to match, but if Reese doesn't offer the specific rise/drop you need, you can use a Curt shank. I've linked you some articles about weight distribution that you might find helpful.
    view full answer...
  • Selecting Replacement Shank for Curt Weight Distribution System
    All Curt 2-inch weight distribution shanks are displays on the linked page. These offer varying amounts of drop and rise depending on the type of system you have, round bar or trunnion bar. Curt shank # 17120 will give 6-1/8-inches of drop with round bars but only 5-3/4-inches of drop if your system uses trunnion bars. Overall height is 10-3/4-inches. 12-inch tall shank # C17121 offers 7-1/2-inches of drop with round bars and 7-inches with trunnions, as does the 10-inch tall shank # C17122.
    view full answer...


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