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Old 02-13-2013, 10:51 PM   #15
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1973 Argosy 24
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Wow! We are all interested in this $350 axle. I've never seen an Al-Ko axle, but I do know they have some sort of stake/merger with Axis axles. Interesting.
If that doesn't work out for you, try these guys. Shipping will be a lot less.
I'll have to give them a call and see what they have to offer.

I was surprised at how easy it was to get the axles out. I'm sure it will be a cussing match to get them back in and bolted back up.
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Old 02-14-2013, 02:34 AM   #16
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I PM'd a few Single ladies who own trailers. We all agree "your shop is HOT!"


Happy Valentine's Day!
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Old 02-14-2013, 08:40 AM   #17
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Who did you order axles from? It looks to me like you have 12 inch brakes.

I can weld and fabricate so I'm not too worried about putting my brackets on or getting them.

My understanding is the fabricating factory determines if you get brackets.... one factory will put them on, another won't.
I ordered them from Inland in October, got them delivered at the end of January. Nuff said.
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Old 02-14-2013, 08:45 AM   #18
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I ordered them from Inland in October, got them delivered at the end of January. Nuff said.
Bob.

We did apologize for that delayed delivery.

Unfortunately, people, at least not yet, are not perfect, therefore mistakes can happen.

Insurance companies thrive on that.

Andy
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Old 02-15-2013, 12:26 PM   #19
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Here's an update:

I called SouthWestWheel. They can indeed make a flexiride axle that meets my specs. The outside hub face measurement is where they can't help some AS owners. with a 61-3/8 outside bracket measurement 78.xx is the limit. So that was option 1.

I then visited Trailer Wheel and Frame who has been my go-to local trailer dealer for years. They informed me that the sales person I spoke to earlier this week was no longer employed there. uh oh. They happily measured the axle for me. We checked inside, outside, hub face, and spindle arm lengths. We discussed 3 rubber vs 4 rubber axles. The price was $386.xx per axle plus $125 for shipping on both axles. I ordered the axles and they should be in within a couple of weeks. New Axles are 3500 lb Al-Ko torsion axles and are guaranteed to be a mechanical match for the old ones. Nice thing about working with a reputable dealer is that they stand behind their measurements.

My old axles, btw, are rated for 2800 lbs each (per the face plate) and were manufactured in 1970. So they are 43 years old..... definately time for retirement.

I'll take pictures and let everyone know how it goes. I expect to need to do the following:
- Fabricate and attach shock brackets
- Drill holes in the trailer or axle mounts
- Paint axles and trailer (although I think al-ko paints their axle)
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Old 02-15-2013, 12:27 PM   #20
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I PM'd a few Single ladies who own trailers. We all agree "your shop is HOT!"


Happy Valentine's Day!
Aw thanks..... I actually prefer guys.
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Old 02-15-2013, 12:35 PM   #21
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That "1970" on the axle data plate of our original-spec axles isn't likely to be the year of manufacture. I think the general consensus is that it's the year that particular design was approved in Canada, given the "CAN. 1970" text and the fact that it's in the same font as the rest of the boilerplate stuff, rather than the font of the stamped data that would differ from axle to axle (the weight rating and the serial #).

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Old 02-15-2013, 07:13 PM   #22
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That "1970" on the axle data plate of our original-spec axles isn't likely to be the year of manufacture. I think the general consensus is that it's the year that particular design was approved in Canada, given the "CAN. 1970" text and the fact that it's in the same font as the rest of the boilerplate stuff, rather than the font of the stamped data that would differ from axle to axle (the weight rating and the serial #).

That makes more sense. Hmmm, I wonder if it's a good idea to replace a 2600 pound axle with a 3500 pound axle. Can't really get a 2600 lb axle anyway....so I suppose it doesn't matter.

Torsion is a strange animal and the amount of rubber plays a role in how responsive it is to the design load. This is the same thing you see with a 1 ton pickup. With nothing in the bed it acts like there is no suspension. Put 1/2 ton back there and it rides like a dream.

It seems like AS trailers are sensitive to a harsh ride, so upsizing axles too much could have undesirable consequences by removing some of the spring from the axle.

So for the sake of amusement, let's do the de-rating exercise.

I'll assume that what applies to Flexiride axles would apply to other brands of torsion axles. This could be a faulty assumption, but that is a risk I'll take.
http://www.ucfamerica.com/FlexirideT...0Questions.pdf

De-rating is 20% for tandem axle and 10% for rough service.

3500 lb axle is thus derated by 700# when placed in tandem service for a residual rating of 2800lb.

When used in Houston, one could argue that the axle should be derated an additional 10% to compensate for our horrible roads in the inner portions of the city.

Joking about road conditions aside, the up-sizing may not be as big of a deal as I thought. Trailer GVW is rated for 5200# and putting 5600# of axle capacity is an acceptable overage for me.
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Old 02-15-2013, 08:09 PM   #23
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That makes more sense. Hmmm, I wonder if it's a good idea to replace a 2600 pound axle with a 3500 pound axle. Can't really get a 2600 lb axle anyway....so I suppose it doesn't matter.
I have shipped many 3500 axles that were derated as low as 2500 lbs or uprated as high as 3700 lbs. This is done in 100 lb increments, depending on the trailers requirements, so 2600 lbs isn't an issue.
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Old 02-15-2013, 10:09 PM   #24
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I talked to a Rick Capsa at Dexter axle, and he said not to over axle my Argosy. I was thinking 3500# axles, and after weighing my Argosy at 4040#, he said to go with 3000# or 3200# max. I hope you weigh your trailer, and if you go with 3500# axles, load it up or you could have very stiff suspension, may not be happy with it. Good luck.
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Old 02-18-2013, 07:38 PM   #25
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I talked to a Rick Capsa at Dexter axle, and he said not to over axle my Argosy. I was thinking 3500# axles, and after weighing my Argosy at 4040#, he said to go with 3000# or 3200# max. I hope you weigh your trailer, and if you go with 3500# axles, load it up or you could have very stiff suspension, may not be happy with it. Good luck.
I'm comfortable with my calculations and anticipate that the new axles will be an improvement over the previous axles.
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Old 03-01-2013, 12:17 AM   #26
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I'm comfortable with my calculations and anticipate that the new axles will be an improvement over the previous axles.
Thanks for this thread and for bringing up the whole de-rating aspect that I'd never heard of before. That explains why Andy at Inland RV sold me 2 x 3500lb axles for my 1976 22' Argosy with the same 2600lb GAWR as your 1973 24' Argosy
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Old 03-09-2013, 06:50 PM   #27
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Just a quick update... I picked up the Al-Ko Axles today. They are nearly identical to the old axles... minus the rust and bends. I probably won't have time to install them for a couple of weeks. What started out as a simple job morphed into a rebuild.
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Old 03-09-2013, 07:57 PM   #28
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I forgot to add that the axles were $386/ea for a net of about $842 after tax. The dealer ended up bringing the axles in with 3 pallets of stock they had ordered so I didn't have to pay shipping. I'll update the thread when I get to installing them.
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