Dimensions of the Replacement Trunnion Spring Bar for Reese Weight Distribution System RP66009

Question

Question:

Can you provide me the dimentions of part number RP66009

asked by: Anthony

0

Expert Reply:

I will try to provide the dimensions you need. If another dimension is needed let me know and I will be glad to get it for you.

Overall length = 33 inches
Length to the spring bar detent = 29 inches
Width and height of spring bar = 1-3/8 inches
Width of Trunnion at Spring Bar = 3 inches
Height of Trunnion at Spring Bar = 2-3/4 inches
Trunnion ends = 1 inch diameter
Overall Trunnion Height = 4-1/2 inches

expert reply by: Robert G

0

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Russ M.

7/31/2026

Is the overall trunnion height from bottom of trunnion to the top of the ball?

Heather A.

7/31/2026

@RussM No, that 4-1/2 inch measurement does not include the hitch ball. It is the overall height of the trunnion portion of the spring bar itself, measured from the bottom of the trunnion to the top of the trunnion where it fits into the weight distribution head. The hitch ball is a separate component, so it isn't included in any of those dimensions. If there's another measurement you're trying to compare, let me know and I'd be happy to help.

Answer 1

Yes, the cam of the Reese Dual Cam III part #RP65FR has been upgraded from models that were made 20 years ago. The brackets have also been upgraded and made to be a lot easier to install as well.

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Answer 2

Hey Scott, yes you can use the replacement spring bar part #RP66009 to upgrade your Dual Cam II weight distribution system to a 600-1,200 lb tongue weight setup.

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Answer 3

That is a great question. Both of those are great weight distribution hitches. Between the two, I prefer the Reese Dual Cam II over the Strait Line. The Dual Cam uses an L-bracket to attach to the frame, instead of a chain and lift bracket.…

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Answer 4

The Reese Dual Cam II Weight Distribution System #RP75FR is likely going to be the correct kit for your 8,900lb camper. This system is rated up to 1,200lbs of tongue weight while the next lower system is the 800LB #RP65FR which your camper is most…

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Answer 5

Hello again, Phil. Out of those two options I definitely recommend the Reese Dual Cam II #RP65FR with the no-drill frame brackets. In my experience, any WD system that uses no-drill L-brackets that bolt to the frame is going to be much easier to set…

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Answer 6

For a replacement Reese trunnion spring bar rated for up to 12,000 lbs (or 1,200 lbs tongue weight) you need the Replacement Trunnion Spring Bar for Reese Weight Distribution System #RP66009. This is a single bar so if you need to replace both of…

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Answer 7

Both the Strait-Line Weight Distribution System #RP66083 for 800 lbs Tongue Weight (TW) and the System #RP66084 for 1,200 lbs of TW use the same head unit and lift brackets. This means that you can replace your 800 lb bars, part #RP22225, with the…

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Answer 8

If the head unit on your Reese weight distribution system is for round bars, then the trunnion style bars, #RP66009, will not fit. There are not currently replacement round bars in that capacity available from the manufacturer. If you do have a Reese…

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Answer 9

I don't really have an answer as to why Reese doesn't have a 1,000 pound rated Strait-Line. With that being said I don't understand your hesitation with the 1,200 pound bars, part #RP66009. The weight range is 600 to 1,200 pounds which is…

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Answer 10

For Reese 1,200 lb Trunnion spring bars the part #RP66009 is what you are going to need. This will work well with the shank part #RP54970 that you said you have which I believe with the head is #RP54980.

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Answer 11

Yes, Reese Replacement Head #RP58167 will work with your existing 1200 lb Trunnion Bars, #RP66009. This replacement head includes the mounting hardware and serrated washers. It works with balls that have a 1 1/4" shank like #19286, which is…

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Answer 12

Thanks for the picture and info of your spring bar. Based on that I can confirm that the correct replacement is the part #RP66009 that you referenced.

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Dimensions of the Replacement Trunnion Spring Bar for Reese Weight Distribution System RP66009

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