bing tracking image
  1. Accessories and Parts
  2. Pro Series
  3. Weight Distribution Hitch
  4. Shanks
  5. Fits 2 Inch Hitch
  6. Round - 2 Inch Drop
  7. Trunnion - 1 Inch Drop
Pro Series Weight Distribution Shank - 12" - 12,000 lbs

Pro Series Weight Distribution Shank - 12" - 12,000 lbs

Item # 63911
Our Price: $138.73
You Save: $121.12
Accessories and Parts
Shipping Weight: 16 lbs
Add to cart
In Stock
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos


Need help with installation?
Locate installers near me
1-800-940-8924 to order Pro Series accessories and parts part number 63911 or order online at Free expert support on all Pro Series products. Great prices and Fastest Shipping for Pro Series Weight Distribution Shank - 12" - 12,000 lbs. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (9)
  • Q & A (0)
  • Photos

Pro Series Accessories and Parts - 63911

  • Weight Distribution Hitch
  • Shanks
  • Fits 2 Inch Hitch
  • Round - 2 Inch Drop
  • Trunnion - 1 Inch Drop
  • Pro Series
  • Round - 5 Inch Rise
  • Trunnion - 6 Inch Rise


  • Designed for use with either round-bar or trunnion-bar weight distribution systems
  • Weight distribution shank with black powder coat finish
  • Industry standard 6 mounting holes at 1-1/4" centers


  • Application: 2" x 2" trailer hitch receivers
  • Weight capacity: 12,000 lbs
  • Tongue weight: 1,200 lbs
  • Round bar system:
    • Rise: 5-1/4" from top of hitch receiver tube opening
    • Drop: 2" from top of hitch receiver tube opening
  • Trunnion-bar system:
    • Rise: 6-1/2" from top of hitch receiver tube opening
    • Drop: 1-1/4" from top of hitch receiver tube opening
  • Overall shank height: 9"
  • Overall shank length: 12"
  • Distance from center of shank pin hole to back of adjustment shank: 6-1/2"
  • Distance from center of adjustment holes to center of shank pin hole: 7-3/4"
  • Distance from front of shank to center of shank pin hole: 8-3/4"
  • Pin hole diameter of receiver shank: 5/8"
  • Pin hole diameter of adjustment shank: 3/4"
  • Limited 10-year warranty

Dimensional Diagam

63911 Pro Series Weight Distribution Shank - 12,000 lbs

Customer Satisfaction Score:

Customer Reviews

Pro Series Weight Distribution Shank - 12" - 12,000 lbs - 63911

Average Customer Rating:  5.0 out of 5 stars   (9 Customer Reviews)


Perfect! Well made, super solid and heavy. I used the bottom holes to align my trailer level.


Fits great but the bars fall out when swung back to position with camlocks.
Thanks for super support,



Super, new bars solved problem, old bars were smaller diameter.


Arrived ahead of scheduled date. fit perfectly with my 49911 weight distribution system.


Item was purchased, delivered, and installed on my truck in a timely manner. If you need parts for your recreational vehicle, this is the place. Thanks, E-Trailer. Jack


Product arrived timely (despite a slight courier issue, no fault to seller), packaging was sound, and the product performed exactly as advertised. Very easy process throughout, will definitely use eTrailer as my one-stop shop for trailer components moving forward


Fast delivery. Great company to work with. Exactly as described


Great service and shipping was right on Q. customer service is better than anything I've dealt with. I always shop E Trailer!!!


Great service


Perfect just wish they sold the little plate


See what our Experts say about this Pro Series Accessories and Parts

  • What to Consider When Picking Out Replacement Weight Distribution Shank
    When picking out a weight distribution shank the first priority is to go with one that allows the trailer to be towed as level as possible. The Pro Series shank part # 63911 can give you up to a 5-1/4 inch rise or a 2 inch drop. If this shank is going to be sitting 3 to 4 inches off the ground you are probably going to have some ground clearance issues as you travel over elevation changes. I attached a help article on picking out the correct rise/drop ball mount for you to check out as well.
    view full answer...
  • Is Pro Series Adjustable 3-Ball Mount # 63070 Compatible with Weight Distribution
    Yes, the shank of the Pro Series Adjustable 3-Ball Mount for 2" Hitches # 63070 is the same as the # 63911 which is designed for Pro Series weight distribution systems so they are compatible.
    view full answer...
  • Can One Reese Weight Distribution Shank Replace Another
    Weight distribution shanks are essentially universal, so both the Pro Series Weight Distribution Shank # 63911 and the Reese Weight Distribution Shank # RP54970 will work as replacements for your current shank. That said, since you have a set up rated for 14,000 lbs you will need to use the Reese Shank # RP54970 because it is rated for 15,000 lbs whereas the Pro Series is only rated for up to 12,000 lbs. In regards to other hints, it would be nice if there was something we could offer,...
    view full answer...
  • Are Shanks from Different Weight Distribution Systems Interchangeable
    The shank parts of most weight distribution hitches use standardized hole sizing and spacing so the shank from one brand of WD system will work with the head assembly from another brand. You do want to verify though that the weight capacities are the same. If your Pro Series shank were to be, just for example, rated for 1200-lbs of tongue weight (TW) such as # 63911, but your new system has a higher weight rating then you'd need to get another shank of the appropriate weight capacity. All...
    view full answer...
  • Is it OK to Mix Different Brands of Weight Distribution Head & Shank Components
    All other things being equal, yes, it is better to use a weight distribution head assembly and shank from the same manufacturer. This allows you to know with certainty what the weight capacity of such a set-up actually is. If parts from different manufacturers are mixed there could potentially be fit issues due to things like different machining tolerances or to the thickness of a powder-coat finish. Staying with the same maker tends to avoid any such concerns. That said, if the head...
    view full answer...
  • Recommended Extended Weight Distribution Shank for Pro Series System
    The Pro Series Shank -11" # 63911 has a measurement from the center of the hitch pin hole to the center of the adjustable head holes of 7-3/4". This is the only shank available for a 2 inch receiver from this manufacturer. The adjustment holes on the weight distribution shanks are always 1-1/4 inches on center so they are compatible between manufacturers. Based on the information you gave, I recommend either the Curt # C17122 which has a measurement of 14 inches from hitch pin to adjustment...
    view full answer...
    Image 1 for
  • How do I Set up my Old Pro Series Weight Distribution System on my New Vehicle
    Your cheapest alternative would certainly be to use the Pro Series Weight Distribution Shank - 11" - 12,000 lbs part # 63911 and Reese Pro Series RB2 Weight Distribution Head part # 58333 to have a second vehicle kit sort of. THiss will allow you to use your current trunion bars and set up the hitch height for the new towing vehicle. I see you use friction sway control so getting the Reese Friction Sway Control Kit - Economy part # 83660 will give you what you need for that as well....
    view full answer...
  • Trailer Ball Platform to Convert Reese Weight Distribution Shank into Adjustable Ball Mount
    If your existing Reese weight distribution shank has the grooved sides that run all the way from the top to the bottom of the shank upright like part # 63911, the replacement ball platform part # PS63076 would work great for you. The platform provides both a 2 inch and a 2-5/16 inch trailer ball. When the 2 inch ball is used, your shank/ball setup will have a 10K capacity or with the 2-5/16 inch ball, the capacity will be 14K. This could be limited by the capacity of the shank, if its less. I've...
    view full answer...
  • Replacement Head for Pro Series 10K Weight Distribution System
    It looks like you've got an obsolete Pro Series 10k Weight Distribution System. The Replacement Weight Distribution Bolt-Together Round Bar Head part # PS58442 is the correct replacement. However, it appears you're also missing a weight distribution shank, like # 63911, and possibly some other smaller components. For that reason, I recommend simply purchasing a complete system, like the Curt # 17302 which will include everything you need (except a hitch ball) at a super economical price. If...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for
  • Correct Shank for Pro Series Tri-Hitch Ball Platform
    Thanks for reaching out and providing photos! The head of your Reese Weight Distribution System part 113913 is designed to fit a shank with flush sides where the bolts secure like what we see with part part # RP54970, but the Replacement Hitch Ball Platform # PS63075 installs on shanks that have a groove on the sides like what we see with the part # 63911. If you want that ball mount then we have it kitted together as the Pro Series Adjustable 3-Ball Mount for 2" Hitches # 63070 but at...
    view full answer...
    Image 1 for Image 2 for

Do you have a question about this Accessories and Part?

Info for this part was:

Employee Lindsey S
Updated by:
Lindsey S
Employee Laura H
Updated by:
Laura H
Employee Carrie F
Updated by:
Carrie F
Employee DeAnne T
Written by:
DeAnne T
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Cole B
Installed by:
Cole B
Employee Ed W
Installed by:
Ed W
Employee Andy C
Installed by:
Andy C
Employee Samuel H
Video by:
Samuel H

At we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.

Product Experts Available Now!
Call 1-800-940-8924