How to Determine Which Replacement Brakes Fit a Vintage Airstream Trailer

Question

Question:

Hello, I have attached an image from a vintage Airstream trailer. Am wondering if I can replace these with something new and modern. Thanks.

asked by: Mdu

0

Expert Reply:

I'd be happy to help!

To figure out if new modern brakes will work on your vintage Airstream you'll need to figure out which size your brakes are.

Based on your picture it looks like you have a 5 bolt mounting flange similar to what # AKEBRK-6 use, and these brakes measure in at 12" in diameter and 2" wide. These are designed for 5,200 - 7,000lb brakes so you'll want to check your axle tag to see if this lines up with the axle on your trailer.

The easiest way to get this measurement is by measuring the drum following the included picture.

If you find your brakes are a different size, let me know and we can find another option for you.

expert reply by: Samuel C

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How To Measure Trailer Drum Assembly
(click to enlarge)

Picture of brake assembly on Airstream
(click to enlarge)

Answer 1

Yes, the Replacement Trailer Hub Bearing, #25580, is the replacement for the Airstream trailer bearing 4T-25580. It has an inner diameter of 1.750 inches and has the same outer diameter as well. If the (back)INNER bearing is the 4T-25580, then there…

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Answer 2

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 3

One thing to note when using a hitch extender like the etrailer, #e88YR, is that the tongue weight and towing capacity of your trailer hitch will be reduced by 50 percent due to the increased leverage that is placed on your trailer hitch from your…

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Answer 4

This is a great question that there isn't exactly a great answer for. Hitch extenders not only put the weight further away from the hitch which would increase the leverage on the hitch, but they also add movement to the assembly which will…

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Answer 5

Thanks for the picture and info on your current brake assemblies, from that we know that the Dexter brake assembly part #23-106 that you referenced is the correct fit. For the left hand side you'd then want the part #23-105.

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Answer 6

Hey Tito, From what I can find the Trailer Hub & Drum Assembly #8-388-80UC3 and Dexter Nev-R-Adjust Electric Trailer Brakes #23-458-459 do appear to be the correct fit but you'll want to first verify the wheel bolt pattern and axle capacity…

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Answer 7

The TruRyde Spindle Nut #165686 has an outer measurement of 1.45 inches. You will use a 1-1/2 inch socket on this castle nut or we usually use a channel lock for these installations. I've attached a video of an installation of a hub to assist.…

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How to Determine Which Replacement Brakes Fit a Vintage Airstream Trailer

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