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Off Roading Skid Plate Installation Write-up for an '07 Ram 3500 - Part 1

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Off Roading Skid Plates for 2007.5 3500

I am a new member and didn't realize that there is a 10 image limit per post. Since I have 20 photos in my write-up, I will split it up into two parts. So here is part 1:



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As background, I had a 2007 Dodge Power Wagon with a 5. 7L HEMI gasser that did not work out for hauling a slide-in camper (long story), so I ended up trading it in for a 2007. 5 Ram 3500 with a 6. 7L CTD. While the 3500 had the better load carrying capacity and pulling power that I wanted for my Outfitter Apex 8 (particularly in demanding off-road conditions), it lacked the undercarriage skid plate protection that came with the Power Wagon. Since I was going to be using my truck and camper for fairly rugged off-road use, I wanted to find a way to equip it with the array of skids from a Power Wagon. However, this took quite a bit more effort to make happen than I first thought.



While I was trying to figure out how to add a fuel tank skid and the skid rails, I first purchased and installed a Defiant Rock Shield. This was a straightforward install and here are some pics of that:

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I went ahead and purchased the Power Wagon fuel tank skid (P/N 52121265AB) and skid rails (P/N 52121534AA), along with what I was told was the fuel tank crossmember (P/N 52121444AC), but that latter part turned out to be something of a mystery skid plate looking part. Here are pics of these parts:

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There is a long story behind this (corroborated by several Dodge dealerships and on-line Dodge parts sources), but as odd as it may seem, you cannot purchase the actual fuel tank crossmember from a Power Wagon as it is apparently a non-orderable part associated with the Power Wagon frame assembly. Here is a pic of that needed part from a Power Wagon:

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This situation forced me into fabbing-up the crossmember in question so the front of the Power Wagon fuel tank skid and the rear of the skid rails could be appropriately bolted down. Since I no longer had my Power Wagon, someone who owned one was a big help in that he was good enough to carefully measure and provide me with the dimensions of the Power Wagon's fuel tank crossmember.



As long as I had to fab-up the crossmember, I decided to improve upon the factory's design. Instead of employing the stock Power Wagon's J-shaped end brackets (which only allow for a small contact point against the bottom of the frame rails), I decided to go with simple 90 degree end brackets and spacers. This allowed for a full contact patch under each frame rail. I also increased the wall thickness of the crossmember, brackets, and the main spacer from the factory's 1/8" to 3/16" thick steel. Here are some shots of the welded-together crossmember before and after painting:

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End of part 1 ...
 
Don,



Nice job! Your cross member is much stronger that the factory Power Wagon fuel tank skid plate cross member anyway. BTW, there is a factory accessory fuel tank skid plate with a stamped bolt on cross member but you don't get the additional t-case skid bars that you end up with... I had to fab up 3 46" long angle irons and some plate to get that needed T-case protection.
 
Don,



Nice job! Your cross member is much stronger that the factory Power Wagon fuel tank skid plate cross member anyway. BTW, there is a factory accessory fuel tank skid plate with a stamped bolt on cross member but you don't get the additional t-case skid bars that you end up with... I had to fab up 3 46" long angle irons and some plate to get that needed T-case protection.



Thanks. And I did see a guy on DodgeTalk who came up with that stamped crossmember after I did my work, but I didn't know it existed far less what the part number was. Anyway, that definitely would have saved me some fab time, however, I am still happy with what I ended up with because I know it's way stronger than the stamped crossmember (or as you mentioned, even the Power Wagon version).
 
Oops !

By the way, sorry folks ... if I had connected the dots, I would have put part 2 of this write-up as a second post instead of a separate thread (due to the 10 images per post limitation). If I have any posts in the future that exceed the limit, I will definitely do it that way.
 
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