Truck I have has a bad rusted double frame, I think the first thing I'm gonna save a chunk of change for is to be able to take it somewhere to have a set of single rail frame slid in it, I've heard of it being done on trucks that were wreck and need a rail replaced..... Does anyone know a rough idea what it's cost to have a shop pull out my rails and replace em with single rails?
Sliding new frame rails in a truck? Cost of replacement?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Verschoot01, Apr 20, 2021.
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AModelCat Thanks this.
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In about 1990 a roll off container Auto Car rail was $5,000.00. It even had all the holes drilled from the front bumper to the back of the cab. It was a three rail deal but only single up front. We welded the bad areas at shorter rails end. Then had eight foot long over lays made. Striped that section of the frame and bolted them all together. Added a cross member at the bad spot. That was an inch of drilling in some places. Saw the truck years later still running.
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bbechtel16 and Bean Jr. Thank this.
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PG Adam's, think they are east coast. Can get you rails. You can send your old rails and the will drill new ones the same or sometimes you can getbthe build sheet from manufacturer and the can drill off those. Or just plain rail and drill yourself
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bbechtel16 Thanks this.
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Straight rails can be fabricated by a reputable weld shop much cheaper than purchasing OEM... I have stretched several frames (added 10 feet to one particular truck) and we always had the additional frame fabricated... WAY cheaper than buying pre fabricated... The expenaive part about a complete frame replacement will be the labor, and I have no idea how much that would run.
bbechtel16 Thanks this. -
There are some places that can roll you the right size Steel maybe in ten foot line length or so but there are very very few people places they can get you frame rails that are actually frame rails with the right tensile PSI.
Those hardened steel frames can't be bent up on a regular press the way mild steel can. So there are not a lot of places that you can get them that I'm aware of. -
Edit: Anither option is to form them from high carbon, low tensile steel amd then have them heat treated (thats how OEMs do it)... But that requires a very large heat treating oven, which most places dont have.BoxCarKidd Thanks this. -
I'm honestly not certain about using a A36. On one hand it really is mild Steel, and if you think about it the strength of a frame is such that when it flexes because it's all the same tensile steel you get the same Flex. On the other hand, because the section you're going to put in has reinforcement inside, that may be less of an issue.
But the length that you install behind it will not have the same strength as the original frame and may give you more Flex than the original frame. And it will not be as strong.
I'm not really sure what to think about that except that in theory anyway it's best to match the yield strength of the original frame.
Actually the best of all is probably to find a cutoff or actually long pieces of frame from the same kind of a truck if the rails are in good shape. I would think A36 is probably okay for the reinforcement.
How did the A36 work out for you?Cattleman84 Thanks this.
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