Flatbed Kit: 2003-2022 Dodge 3500 Shortbed Dually

$899.00
$809.10

FREE SHIPPING in lower 48 states!

Required to complete the 2003-2022 Dodge 3500 Shortbed Dually Flatbed (also fits mega cabs). This kit is designed to be used in combination with the start to finish video tutorial. Overall bed dimensions are 8 ft wide at the back, 7 ft wide at the front, and 84 inches long.

What the kit includes:

  1. Blueprint with material list, cut instructions, and build diagrams for 1980-1993, 2003-2021 Dodge 3500/4500 Short Beds. See below to preview the blueprints. Blueprints will be downloadable upon purchase. Scroll down for a video explanation.
  2. All Machine made Parts. (3 tail pieces, 6 tail gussets, two headache rack gussets, and two light brackets.) Parts will be delivered 5-10 business days after ordering – free shipping. Scroll down for a video explanation.
  3. Full access to the start to finish video tutorial on how to build, wire, and install your bed. Scroll down to watch the entire video tutorial.

Note: this kit does not include all parts needed to complete your flatbed – you will have to purchase the majority of the steel at a local steel dealer. The amount and type of steel you need to purchase is laid out clearly in your model specific blueprint. This kit is simply the machine parts you cannot buy locally. You can download the material list here.

Please choose your fuel type below – see photo 2 and 3 (choose double type if your pickup has D.E.F.)

Tail pieces and gussets made from 3/16″ thick steel. Light brackets and fuel plate/bezel made from 1/8″ thick steel. All parts are un-coated (raw steel). You will receive your order in 5-10 business days from time of purchase.

 

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Download the Flatbed Material List.

  • Steel Type and Amounts Needed
  • Determine Exact Total Cost (Kit +Generic Steel +Lights + FInish)
  • Alternative Steel Type Options
  • Compare Wood vs. Steel Deck Cost

By submitting, you agree to our terms and conditions.

"Is this worth it? Why not build my own from scratch?"

Watch this video to decide for yourself.

Read Reviews
Read Reviews

How do our Products Work?

Our 3-Part Kits make your job easy. Check out the videos below for everything you need to know.

1. Video Tutorial

With 28 modules and over 5 hours in length, no detail is left out covering how to build, wire, and install your flatbed.

Preview Video Tutorial

2. Model Specific Blueprints

Watch the following video for an explanation .

3. Machine Made Parts Shipped to You.

Watch the following video for an explanation .

Your Choice

Your Choice

Choose Between a Wood or Steel Deck.

To Build a Steel Deck: Watch modules 5b, 19b, and 20 of the video tutorial.

To Build a Wood Deck: Skip modules 5b, 19b, and 20 of the video tutorial.

Frequently Asked Questions

Standard Bed Cost List

Standard Kit -$799-929 (Free Shipping) 

Generic Steel you will need purchase from a local steel dealer* – ~$700-$1500 Download the Steel List.

Lights/Wiring/Decking – ~$650

Finish (Powercoat/Paint)* – $35 – $650

Total Cost: $2150-$4,000 

*Prices are subject to local supplier and serve as an estimate only.

Optional Add-Ons

Underbody Tool Boxes: ~$500

Fender Kit: $199-$229

Our Kits are unconventional in that we don’t send you everything, only the machine made parts that you can’t purchase locally. Why? Because it would be what’s known as a rip-off to charge you for mark up and exorbitant amounts of shipping cost to sell you generic steel that you can buy locally without a middle man. That being said, you’ll be responsible in purchasing the generic steel to make the process as affordable as possible. Download the free material list so you can get an exact cost for everything you’ll need. We’ll still send you the machine made parts and provide you with the blueprints to make the build seamless.

This kit gives you everything you need to seamlessly complete the base model bed. It is designed to be a cheap alternative to pre-made flatbeds.

The kit includes the CNC machine made parts shipped to your door and a model specific blueprint that lays out all of the other steel you need to purchase locally and at what lengths and angles to cut it.  This kit is designed to be used in combination with the video tutorial that is also included.

Experince Needed

Moderate to advanced welding experience is needed to complete this project as well as experience using all shop tools described below.

Tools and Equipment Needed

  1. Ear Plugs
  2. Safety Glasses
  3. Welding Helmet
  4. Welding Gloves
  5. Welding Coat or protective outer layer
  6. Welder – needs to adequately weld 3/16” thick plate
  7. Bandsaw – capable of handling 2.5” square tube (most all small bandsaws)
  8. Angle Grinder
  9. Tape Measure
  10. Vice grips OR C-clamps – 6 total
  11. Square
  12. Drill Press OR Hand Drill
  13. (2) 7/32” Drill Bit
  14. ¾” Drill bit (only if installing marker lights)
  15. Type 27 Flapper disk grinding wheel(s)
  16. Slitter disk(s) OR Plasma Cutter
  17. Metal Pencil or Sharpie Marker
  18. Forklift OR Shop Crane OR 4 Strong people (for installation)

An experienced fabricator can build this project in 30 hours and install in 8 – 10 hours.

Gooseneck Ball

Our Kits are designed to fit with your existing frame mounted gooseneck ball. If you don’t currently have one installed, you will need to add a frame mounted gooseneck ball. 

Bumper Pull Hitch

Our kits fit seamlessly with your factory bumper pull hitch. Why? Because it’s far supererior to have your hitch tied directly to your frame and the enginereed from the the factory setup.

What Can You Build?

All Variations of product shown below are buildable for multiple models using our weld yourself kits and add-ons.

Customer Reviews

Customer Submitted Photo
I was looking for a budget priced flatbed for a low budget build. I came across Double Diamond Fabrication, and for me, it looked like a good fit for my project. I didn’t want a steel deck, as summers in Las Vegas are way too hot for them, so wood was a priority. I’ve been welding for over 25 years, mostly just repair work, and would have never had the insight to build a bed this nice myself. I called with some questions, and they got back to me quickly and answered them all with confidence in their product, so I put in my order. It shipped and arrived quickly.

Once the build started, it went smoothly, as before each step you watch the corresponding video for what you’re about to do. The techniques used are very sound, such as making jigs for repetitive work, and welding procedures to pevent warping and/or skewing the frame. I ended up picking up a couple tricks I will be using in the future as a bonus.

Overall, I’m very glad I chose this route for my build. Everyone who’s seen it really likes it. Price wise, I am very satisfied, too, it stayed well within my budget. Thanks again, DDFab!

Darren

Las Vegas, NV

Customer Submitted Photo

Do you feel you recieved a good value for the price paid? Why?:

Yes good value! Gives a great baseline to start your build. There are many ways you can vere off and make custom adjustments.

What was your favorite part about the process/product? What was your least favorite?:

Favorite thing was the dxf cut files. Simply forwarded the email to my local water cutting company and the parts were done. Least favorite isnt really the companies fault. The cost of the dimensional steel vary by location through out the country. I was able to purchase whole stick lengths for better cost. I also reduced the different types of steel used to cut costs as well.

Brian

Florida

Customer Submitted Photo

If you’re looking to build a flatbed this is the way to go! This is an awesome company, sells a great product. Great customer service! Blueprints are clear and simple and the additional video tutorials help out. I had no issues getting this thing put together and ready for an Ag. Mech. Show. Looks slick and let me tell you this heavy duty bed could take a hit if needed. Highly recommend!

Shelton

Holliday, TX

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