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Old 02-12-2007, 01:16 PM   #1
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Axle Replacement on Safari 23

I am about to start looking at new axles for my 73 Safari 23 Footer. It currently has the tandem axle set up with 2600lb axles. Any suggesions on what I can increase the rating to? Also what measurements do I need know? 12 Inch or 10 Inch brakes?

Thanks in advance...
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Old 02-13-2007, 06:54 AM   #2
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My thoughts.

Kneal,

I'd go with 2800 - 3000 pound capacity but no more.

Additionally, I'd go with 12" brakes.

Check the axle manufacturer websites for an order form to be sure what dimensions are required.

Best Regards,
Henry
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Old 02-13-2007, 07:00 AM   #3
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Great.. Thanks Henry. That is very useful information.
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Old 02-13-2007, 07:14 AM   #4
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If you haven't yet decided on a source of supply for the axle I can suggest, tandrtrailer.com. I have done business with Rich and been very satisfied with his service. He is knowledgeable about the trailer axles, both torsion and leaf spring. I have found that their prices to be competitive and they do excellent work. When I visited their shop it was busy, tidy and clean. I have no affiliation with T and R other than being a satisfied customer.
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Old 02-13-2007, 09:16 AM   #5
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kneal,
Your axles are torsion axles and that would be the best thing to go back with. Use the search feature and you can read for days, on the various pros and cons of increasing the weight rating and what axle to use. Your trailer came OEM with Henschen axles. However other people have been successful in installing other brands. Dexter also makes a good axle but you have to be careful ordering them as there are many possible combinations and not all Dexter dealers are up to speed on them.

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Old 02-13-2007, 10:11 AM   #6
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Axels again

As the Sergeant on "Hogans Heros" said........"I KNOW NOTHING...I KNOW NOTHING." (this will keep the thread alive.)
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Old 02-13-2007, 11:00 AM   #7
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Kneal,

Why are you increasing the axle weight?

It just sounds to me like 2-2600# axles would be more than adequate for a 3500# trailer.
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Old 02-13-2007, 11:05 AM   #8
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Quote:
Originally Posted by markdoane
...It just sounds to me like 2-2600# axles would be more than adequate for a 3500# trailer.
they would be. but this is a 5800lb gvw trailer.
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Old 02-13-2007, 11:13 AM   #9
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they would be. but this is a 5800lb gvw trailer.
That makes sense. I didn't see that bit of information. I'm looking at the 'trailer weights' spreadsheet for a '73 23' Safari, which lists a dry weight of 3450#, and tongue weight of 590#.

2-2600# axles + 600# tongue weight = 5800#. Still adequate?
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Old 02-13-2007, 11:15 AM   #10
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I have added some weight due to an interior remodel with real wood as opposed to the plasticy wood. Therefore I thought if I could move to a 3,000lb axle, then I would.
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Old 02-13-2007, 11:22 AM   #11
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Quote:
Originally Posted by kneal
I have added some weight due to an interior remodel with real wood as opposed to the plasticy wood. Therefore I thought if I could move to a 3,000lb axle, then I would.
You can move up a little and it's a good idea since you are changing them anyway. Stay with torsion axels but remember when it comes to weight you still need to stay within the limits of the trailer frame, tongue and tongue weight and something everyone forgets, keeping the balance ratio correct.
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Old 02-13-2007, 11:29 AM   #12
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Quote:
Originally Posted by kneal
I have added some weight due to an interior remodel with real wood as opposed to the plasticy wood. Therefore I thought if I could move to a 3,000lb axle, then I would.
Go with 12 inch brakes and no more than 3000 pounds torsion axle capacity.

With the added weight, you should be about as perfect as you could ask for.

Also, keep in mind, having balanced running gear will enhance the overall performance.

Andy
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Old 02-13-2007, 11:36 AM   #13
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Quote:
Originally Posted by markdoane
That makes sense. I didn't see that bit of information. I'm looking at the 'trailer weights' spreadsheet for a '73 23' Safari, which lists a dry weight of 3450#, and tongue weight of 590#.

2-2600# axles + 600# tongue weight = 5800#. Still adequate?
Is that the pdf on airstream's website? its incomplete...some years, it shows emtpy weight...others, gvw...

but anyway, yeah, 2x2600+600=5800...that's the way the factory built it. What that pdf doesn't show is that there was also a single-axle version, which has a much lower gvw...

they had a whole lot of cargo carrying capacity back then...I can't imagine carrying 2000lbs of gear with me to go camping...even if you include the weight of my spare tire, propane, water, and an air conditioner. So even with some heavier cabinets, its still probably ok....but if you can get a little extra capacity without losing anything in the process, why not?
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Old 02-13-2007, 11:38 AM   #14
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We're on the same page, but I think 2000# NCC is more than enough to allow a little extra cabinet weight. I just don't want to see Kneal end up with a 'hard riding bronco' because the axles are too stiff.
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