Trunnion size of Fastway Weight Distribution Hitch

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Question:

Good Morning. Can you tell me the dimensions of the opening on part #FA92-02-1044 replacement trunnion ? I need to know the opening dimensions so I know if my existing trunnion bar will fit inside. Thanks.

asked by: John

0

Expert Reply:

According to Fastway it is 1-3/8" square opening on Replacement Trunnion # FA92-02-1044. I was also informed that they do use different size bars on their different weight ratings so if you are unsure of your weight rating of your bars, please let me know what you have and we can find the correct trunnion for you.

If this is your measurement then you will also need Replacement Trunnion Keeper Bolt # FA92-04-9615, Replacement Lock Washer # FA92-04-9620 and Replacement Nut # FA92-04-9216. This will be what you need to properly attach your trunnion bar to the replacement Trunnion.

expert reply by: Bud M

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Answer 1

Thanks for reaching out, Winston! If the 880 lb rating is fully loaded then the 1,000 lb Bar #FA92-02-1099 would be what I recommend since it gives you a tongue weight range of 600 lbs - 1,000 lbs. If that 880 lb rating is unloaded then you'll…

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Answer 2

It is normal to see the wear on the Tunnion Bar #FA92-02-1099, L-Bracket #FA93-02-5150 and parts of the Trunnion Head #FA92-02-1044 on a Fastway e2 Weight Distribution #FA92-00-1000. Typically on the trunnion head you will add Lubricant #EQ91-00-4250…

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Answer 3

Hey John, If you're experiencing uncontrollable sway at 50mph towing a 6k trailer with a 2024 Ram 3500 you likely have a much different issue than you're thinking. I would first check the wheels to see if they're straight inline and that…

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Answer 4

If you've got a Fastway e2 hitch like the #FA92-00-0600 with trunnion bars then you can use the Replacement Trunnion Spring Bar for Fastway e2 Weight Distribution Systems - 1,000 lbs TW #FA92-02-1099 and Replacement Trunnion for Fastway e2 Weight…

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Answer 5

Weight distribution/sway control (WD/SC) systems need to be tuned to your trailer tongue weight in order to work properly. A system rated too low for your actual tongue weight (TW) will not have the stiffness needed to shift trailer TW forward to the…

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Answer 6

I spoke with my contact at Reese and he confirmed that the replacement head for your Reese weight distribution system is part #RP58167. The part number you found on the bars indicates it's probably not quite old enough to be considered vintage.

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Answer 7

You would be measuring the bar thickness by measuring the opening it fits into on the trunnion itself to make sure you get the right bar depending on the age of the system. If the trunnions are old and have worn some then that opening might be larger…

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Answer 8

My contact at Reese indicated that older weight distribution spring bars/trunnions will fit new replacement heads, such as Reese part #RP58167 (but new bars/trunnions will not fit older head assemblies). He noted that there may be a slightly…

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Trunnion size of Fastway Weight Distribution Hitch

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