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Help identifying part

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Old Nov 27, 2025 | 01:38 AM
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Help identifying part

Hello I was hoping somebody could help me identify a part of the frame. This is my first project ever. It's on a 55 f100 between the cab and rear end. I can't find any diagram that has the parts name listed and I want to replace it. Any help is much appreciated thank you
 
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Old Nov 27, 2025 | 01:55 AM
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From: W (BY GOD) V
It is a frame cross-member.

Here is a PARTS ILL -


 
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Old Nov 27, 2025 | 09:03 AM
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Pb240, welcome to FTE the best Ford truck forum on the World wide Web!

You've come to the right place for help.

Why do you want to replace it? It looks good from here.

In the meantime show us pictures of your 55.
 
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Old Nov 27, 2025 | 09:56 AM
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It appears to have perforations from rust in the center. I think it would be easier to cut the area out and replace with a similar thickness of sheet metal, hunk of scrap frame or crossmember, etc., than to grind out all of those rivets and deal with the spring hangers. The structural integrity is still in the crossmember, it just needs the center fixed. Not a big deal. While you're there, you'll want to fix that spot on the frame rail just behind the crossmember on the left side. That's a far more critical area, imho.
 
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Old Nov 27, 2025 | 10:33 AM
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Welcome to an awesome forum. I just purchased a 1953 F-600 and the first thing I purchased prior to picking it up was a shop manual and a parts manual. These are readily available on eBay or Amazon. I have a 1948 and a 1968 Harley Davidson and I have multiple manuals, one for the house so I can check on parts and how to work on them and one for the tractor barn to look at while I am working on it. ". Since they are old, I sometimes need both to figure out the the part and part number. Many time I can use the part number to use on eBay and find a part someone has got mismarked except for the part number and I purchase it. Take your time working on it, check your manuals often and check back on the forum daily. Do a search and see if it is covered before, chances are it was. Again, welcome and have fun.
 
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Old Nov 27, 2025 | 12:14 PM
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Welcome to the board. I second the motion to "cut out the bad and scab in some new" as opposed to replacing the whole x-member.
It'd be a whole lot easier than cutting and grinding all those rivets and then trying to redo them.

Bobby
 
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Old Nov 27, 2025 | 01:26 PM
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I see the rust holes now.
 
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Old Nov 30, 2025 | 12:01 AM
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Thank you everyone for the suggestions. And looking at the process for removing rivets. I have definitely decided to go with patching the rust spots.
 
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Old Nov 30, 2025 | 09:03 AM
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Welcome to FTE. What parts of the country (or world) are you from.
Lots of great experts on here, and lots of people like me.

What engine do you have? What are your plans for the truck?
 
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Old Nov 30, 2025 | 09:17 AM
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Originally Posted by Pb240
What is the badge under the f-100 hood side badges?
 
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Old Nov 30, 2025 | 09:31 AM
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I wouldn't even cut any of it out, I'd just weld a piece of 1/8" metal over the top of it, there is still plenty of strength in that cross member..
 
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Old Nov 30, 2025 | 10:10 AM
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Originally Posted by 56panelford
I wouldn't even cut any of it out, I'd just weld a piece of 1/8" metal over the top of it, there is still plenty of strength in that cross member..
I like your way of thinking. No one will see it once bed is on.

however, if the original poster wants a section i might be able to supply
 
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Old Nov 30, 2025 | 03:05 PM
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It took 70 years to get in t hat condition, doubt he'll outlast a patch. I have that cross member I saved from a frame and I'm sure you have several..but like you said it is sight unseen once the floor is in the bed..
 
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Old Dec 1, 2025 | 12:36 PM
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I get what you all are saying, however, it's not that much more work to do a proper repair instead of a band aid. It will be fine, either way, (it'll be fine, as is, too) but 2 minutes with a cut off wheel will remove the damaged area, the welding and cutting/trimming of the patch piece is the same work, and when done you can be proud it looks like factory instead of farmer. Just sayin'.
 
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