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Size of Hitch Ball Shank on Curt TruTrack 2P Weight Distribution System  

Updated 10/30/2025 | Published 10/05/2025

Question:

Im purchasing the curt 17601, but changing out the factory ball. I need to know ball shank diameter and length. thanks.

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Expert Reply:

Hey Brett! The Curt TruTrack 2P Weight Distribution System # C69JR uses a ball with a 1-1/4" diameter shank. If you're planning to switch to a 2" ball you can use the # A-90.

What kind of trailer are you towing?

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Robin H
Curt TruTrack 2P
Curt TruTrack 2P
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Robin H.

10/30/2025

Hey Brett, how did things go with the Curt TruTrack 2P system after switching to the 2-inch ball? Your update could make it easier for the next person setting up a similar weight distribution hitch.

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