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Max torque rating axle

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Old Oct 7, 2011 | 06:38 PM
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Max torque rating axle

So I'm wondering how long the max torque rating on a axle is good for?
I found a Dana 60 is good for 1500 continous and 6000 max
And a sterling 10.25 Is 2000 continous and 8300 max
So for a general rule how long for max torque
 
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Old Oct 7, 2011 | 07:32 PM
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There are so many variables there no one is going to be able to answer that. I have seen Dana 60 chromoly shafts grenade with 200 ft lb's of torque. I have seen 14 bolt axle shafts bent from slighty more torque.

Basically we go back to the same old story that if you're going to run 52's you should have rockwells... and you will probably break some of those too.
 
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Old Oct 7, 2011 | 09:35 PM
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I don't like rockwells and the only good thing I have heard about them is they are cheap and my truck has to be able run street
I am questioning what are axle manufactures meaning with a max torque rating
 
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Old Oct 7, 2011 | 09:41 PM
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It's multiplied torque. Engine x trans low gear x low range gear. Road speed is another factor. For the piece of equipment I design for we get some leniancy from Meritor, Eaton, and AxleTech because of our low speed. But none of them are very quick to say "yes" your setup will work.
 
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Old Oct 7, 2011 | 09:49 PM
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I'm not asking if my setup will work I know 52" tires are huge and 5 ton axles are what I need and I do understand engine x trans x transfercase
I'm just curious what is meant by max torque rating how is that figure come up with and for what duration of time and I was using a Dana 60 and 10.25 as examples because I knew the rating for them
 
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Old Oct 7, 2011 | 10:00 PM
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I am still amazed that you consider 52" tires streetable and I still wonder what your streets look like.

(I'm not trying to get you down or anything, and don't take this the wrong way)
 
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Old Oct 7, 2011 | 10:26 PM
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I only cOnsider them streetable because they are radial dot approved and it's Arkansas
 
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Old Oct 7, 2011 | 10:59 PM
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And it's no means a dd kinda like weekends
 
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Originally Posted by arkredneck
I am questioning what are axle manufactures meaning with a max torque rating
If you take a brand new axle right off the assembly line, it will fail near the "max torque" rating. That is the number without any safety margin.
 
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