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How to Determine the Correct Drop for a Weight Distribution Shank

Question:

I need to order a shank for my wd hitch. Can you tell me how to measure for a . When you say a 6 inch on the shank,,,,from where to where? By the way, I am in a hurry to get this and some other things ordered. I do appreciate your help.

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Expert Reply:

I have attached a help article on how to determine the rise or drop you need for a ball mount. Basically, you will want to park your truck and trailer on flat ground. First, measure from the ground to the top of the trailer hitch receiver opening. Next, measure from the ground to the bottom of the trailer coupler. If the trailer hitch receiver opening is taller than the bottom of the trailer coupler, then the difference between the two measurements is the amount of drop you will need in a ball mount.

The Reese Weight Distribution Shank, # RP3344, that you referenced is adjustable, so, with a round bar weight distribution system, it will have a maximum drop of 8-5/8 inches and a minimum drop of 6-1/8 inches and it is adjustable in increments of 1-1/4 inches. If you have a trunnion bar weight distribution system, it has a maximum drop of 7-5/8 inches and a minimum drop of 6-3/8 inches.

These drops are measured from the top of the weight distribution shank to the base of the hitch ball on the weight distribution head.

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John H


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