How To Find Weight Rating On Trunnion Bars Apart Of A Curt Weight Distribution System

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Question:

Have bought a used Curt true arc weight distribution hitch but don’t know the weight size on the trunion bars there’s no markings or part numbers on the bar there rust free. I suspect there to heavy for my app. Came off a 28 ft toy hauler using on a 24 ft toy hauler. Still have to finish trailer and load it to calculate tongue weight. How can I find the weight rating on bars I have

asked by: Rich

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Expert Reply:

There isn't any indication on the bars, like how Blue Ox uses the "dot" system to signify weight ratings.

Curt assigns their trunnion bars are to the head unit of the WDS.

For instance the Replacement Trunnion Spring Bar for Curt TruTrack Weight Distribution System # C17537 are the replacement bars for the Curt TruTrack Weight Distribution System w/ Sway Control # C17501.

If you're needing a lighter application, Curt also offers # C17499 which is for applications with a tongue weight range of 500-800lbs, and a maximum GTW of 8,000-lbs, or, the Curt TruTrack Weight Distribution System w/ Sway Control # C17500, which is for applications with a tongue weight range of 800-1,000lbs, and a maximum GTW of 10,000-lbs.

expert reply by: Bryce D

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Answer 1

The difference between the Curt TruTrack #C17501 and #C17499 are their weight capacities and the #C17501 comes with a 2-5/16" hitch ball already installed, whereas the #C17499 would require you to purchase one and torque it down yourself.…

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Answer 2

It is possible for some spring bars to be interchanged based on their size, but that won't increase a weight distribution system's capacity without adding the appropriate head unit. The replacement spring bars that are rated for 1,200…

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Answer 3

By rods I believe you are referring to the spring bars, and the length is 35-9/16 inches of the Replacement Trunnion Spring Bar for Curt TruTrack Weight Distribution System - 1,500 lbs TW #C17537.

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Answer 4

I spoke with a representative of Curt who told me that if you needed a weight distribution system with more capacity than the #C17500 you would have to part ways with it and replace the whole system with the TruTrack #C17501, which has a total tongue…

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Answer 5

The two Curt systems you have are very similar but to swap bars between the two you'd have to also swap the heads since the bars are different sized. So for a head you'd need the part #C17509 and the bars #C17537 and you'd have upgraded…

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Answer 6

The Replacement Trunnion Spring Bar for Curt TruTrack Weight Distribution System #C17537 has the following dimensions you asked about: - Bar Length 35" - Hole Location 7/8" From Edge - Hole Size 1/2"

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Answer 7

The best Curt TruTrack Weight Distribution System for a 7,000 lb trailer is part #C17500 which is rated for 8,000 lb - 10,000 lb trailers. The trailer once loaded should be right in the middle of the system or just slightly below which will lead to…

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Answer 8

For your Curt TruTrack Weight Distribution System (10,000/1,000 pounds) #C17500 the correct replacement spring bar is the part #C17536. The shorter 28-1/2" bars that you currently have are no longer made. This replacement bar measures 35 inches…

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Answer 9

A weight distribution (WD) system with sway control (SC) is always recommended when the gross weight of the loaded trailer is at least half of the weight of the tow vehicle. Since this is the case with your 2015 Forest River Wolf Pup 16BHS and 2013…

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Answer 10

The Equal-i-zer Weight Distribution System w/ 4-Point Sway Control - 4,000 lbs GTW, 400 lbs TW #EQ37040ET is the size you want for your 178 Rpod trailer. The 1000 lb system will cause problems for that small a trailer because it will be too rigid. I…

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Answer 11

Because of the way the head and spring bars are designed the bars will only fit the head of the same rating. I know most systems will let you swap out the bars, and that would certainly be ideal. If you want to switch to the 6k bars #EQ90-01-0699…

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Answer 12

We have exactly what you need. It's our part #C17535. It measures 35-9/16 inches long and is for the 800 pound tongue weight Curt TruTrack part #C17499.

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How To Find Weight Rating On Trunnion Bars Apart Of A Curt Weight Distribution System

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