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Old 06-12-2013, 08:37 PM   #1
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Surveyor Axle Question

Has Surveyor gone totally over to leaf spring axles nowadays? I was just looking at the features, specs, etc and it appears so. For awhile, it was the Sport models with leaf springs; Select models with torsion axles. Anyone know the current setup?
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Old 06-12-2013, 09:32 PM   #2
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I checked the Surveyor on-line brochure and they indicate leaf springs and equa-flex on all four product lines.

Dave
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Old 06-12-2013, 11:02 PM   #3
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That's what I got out of it too Dave. That is bad news from my perspective. Now they are going to sit higher; up in the wind; and my barn door clearance becomes a problem. Guess I'll have to keep the one I have!!

I wonder what drove that change . . . . it seems like an inferior setup to me. Must be cost.
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Old 06-13-2013, 11:56 AM   #4
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I will check mine at lunch today, but I don't believe there are leaf springs under my sv305. I think it is just the torsion axle... I will verify this as I said after lunch! Mine doesn't sit terribly high though, especially compared with other models... The grey wold 26 dbh I had prior was only like 3-6" shorter...
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Old 06-13-2013, 12:11 PM   #5
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Here's a quote from the Equa-Flex website. Acadianbob said it, cost.

No need for torsion axles
Equa-Flex delivers a ride that is as smooth as a torsion axle, but is a fraction of the cost. Our patented system allows for the trailer to retain spring axle equalization benefits while offering the smooth ride characteristics of a torsion axle. With Equa-flex, you’re getting the best of both worlds.

If one of the differences is that it sits up higher, I don't necessarily see that as a bad thing. Some of the Surveyor models with torsion axles sit really low, too low for me anyway, and I got mine raised at the factory with axle risers (about 3.5").
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Old 06-13-2013, 02:15 PM   #6
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As I thought, mine, a 2013 sv305 is just the torsion axle bolted to the frame. Very nice axle, smooth and stable!
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Old 06-13-2013, 02:30 PM   #7
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To me, the biggest drawback with springs is the maintenance required on the shackles, walking beam, etc. Like the torsion axles much better altho it was a lot harder to put shocks on them.
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Old 06-13-2013, 09:02 PM   #8
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"Equa-Flex delivers a ride that is as smooth as a torsion axle"
Can't be true.
Torsion axles are true independent suspension.
On a solid axle, what happens to one end affects the other.
and... dampening is built in - no need for shocks.

It is a cost saving item, nothing more, yet it will be pushed as a high tech and superior replacement of that sad old low riding fossil called the Torsion axle.
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Old 06-13-2013, 09:36 PM   #9
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Quote:
Originally Posted by Twisty View Post
"Equa-Flex delivers a ride that is as smooth as a torsion axle"
Can't be true.
Torsion axles are true independent suspension.
On a solid axle, what happens to one end affects the other.
and... dampening is built in - no need for shocks.

It is a cost saving item, nothing more, yet it will be pushed as a high tech and superior replacement of that sad old low riding fossil called the Torsion axle.
Agree with everything but "no need for shocks" Shocks made a good suspension superb. Stopped all the dolphining and everything in the rear kitchen stay on the counter. Would spend the labor and time to do it again in a heart beat. Both my wife and I love the difference it made in the way the truck rides as well as the 5er. IMO, if it has a suspension, it needs shocks.
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Old 06-16-2013, 10:57 PM   #10
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The leaf springs making the trailer sit higher would be a problem for me on any new Surveyor. My barn door is only 10.5 feet high. Also, sitting higher raises the center of gravity for handling and puts the trailer further up into the air stream; I would think that that would affect fuel economy.
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