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Another axle swap

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Old May 9, 2017 | 04:47 PM
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Another axle swap

To make a long story short, I am looking to swap my axle back to it's original gear ratio. The cheapest way to do this (so far) is by getting an axle from the junkyard. The only problem is the one that I found is a dually rear end and my truck is srw and I'd like to keep it that way. Can I just swap axles and put regular wheels on? Or is there more to it? Thanks in advance for any clarification. It is an 87 f250 6.9 extended cab long bed.
 
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Old May 9, 2017 | 07:44 PM
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I think the hubs will be different. Whether or not you can just swap hubs depends on the axle it is. Just curious- why not just keep the yard axle as a dually?
 
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Old May 9, 2017 | 08:25 PM
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I believe they are both Ford 10.25, not sure why I believe that.... I suppose I could turn my truck into a dually but I've never really liked the looks. Is there much benefit to having duals?
 
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Old May 10, 2017 | 01:03 AM
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With duals you can expect lower fuel economy, limited tire size selection, the need for added fenders, etc. However if you regularly tow heavy it will make a huge difference in how much control you have should you have a blowout or the trailer begins swinging.
 
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Old May 10, 2017 | 08:34 AM
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if it is rear axle you are talking about, no. it has to stay dually, but you can just bolt SRW wheels to it.
remember too that there are two different dually axles, the pickup axle and the cab chassis units.
if you are talking about the front axle on a 4X4, you can use the dually axle and just swap the single wheel D-50 hub on it in place of the dually hub.
 
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Old May 10, 2017 | 12:31 PM
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It's only the rear that I need, I never did change the front and put the zf5 in, too much time and money for now. If I can just transfer my wheels to the dually axle and the width be similar, I'd be happy. What is the difference between a cab chassis axle and pickup axle? The one at the junkyard is off a quad cab long bed. Not sure if diesel or gas. Thanks everyone for your help so far.
 
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Old May 10, 2017 | 02:54 PM
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difference is frame width. cab chassis is around 33 inches wide, pickup frame is around 36 inches wide center to center.
 
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