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Full or semi-floating?

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Old Jan 17, 2009 | 09:01 AM
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Question Full or semi-floating?

Question guys. 3/4 alxes on our OBS trucks. Were they full or semi-floating? How about the DRW axles? Was asked, and I don't know which.
 
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Old Jan 17, 2009 | 09:20 AM
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they are full.......any axle with the hub stickin out(the bolts on the outer hub like ours) is full floating.......the semi floats have a flange or c-clips hold it and no large hub like on half tons or like the '98 f250 LD.....so you can have an 8 lug semi floats.

full floaters have more support for the shaft itself so the stress on the housing is spread out while most of the stress on the semi-floats are on the outer of the tubes in which makes the housing weaker
 
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Old Jan 17, 2009 | 10:14 AM
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Pictures are worth a thousand somethings???????
 
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Old Jan 17, 2009 | 10:46 AM
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Thanks plow.....there is so much difference in the 2 I could have used a thousand somethings.
 
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Old Jan 17, 2009 | 11:29 AM
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Originally Posted by ron86toy
full floaters have more support for the shaft itself so the stress on the housing is spread out while most of the stress on the semi-floats are on the outer of the tubes in which makes the housing weaker
Semi float the weight of the truck drives on the axle. (axle supports weight)
Full float the weight is on the hub not the axle.(no weight/support on axle)

Bill
 
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Old Jan 17, 2009 | 12:19 PM
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If you brake a axle shaft on a full floater you can still roll the truck. a semi floater the wheel will come off if it is rolled too much.
 
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Old Jan 17, 2009 | 12:54 PM
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Originally Posted by 93f1505.0L
a semi floater the wheel will come off if it is rolled too much.
Been there, Done that, Not fun.
 
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Old Jan 17, 2009 | 01:19 PM
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Great pictures Plow. Tried to rep ya but I have to spread it around...
 
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Old Jan 17, 2009 | 02:21 PM
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Originally Posted by plowhand
Been there, Done that, Not fun.
I had to pull a ranger out of the woods one time with a broke shaft. About every 15-20 ft we had to pick the rear end up and slide the shaft back in. Not a fun thing and it took for ever.
 
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Old Jan 18, 2009 | 07:22 AM
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Thanks a bunch guys. That's actually what I thought, but I didn't know for sure and didn't want to pass it along as fact without being convinced myself. Thanks again.
 
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Old Jan 18, 2009 | 02:57 PM
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Didn't Ford put something in between the two in the late 80's F250's?

Instead of a pair of tapered rollers like a full floater, they had a single straight roller bearing on the outside of the housing. The weight was carried on the axle tube instead of the axle shaft, but it still relied on the carrier bearing for end thrust and tilt.
 
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