Custom flatbed with toolboxes

Flatbeds

Lost River Fabrication builds custom truck flatbeds that add strength, storage, and versatility to your truck. Whether you are working on the ranch, hauling equipment, or setting up for overlanding, our flatbeds are designed around how you use your vehicle.


Give us a call or visit us at our Caldwell, Idaho location
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We offer:


  • Headache Racks: Protect your cab and rear window while adding tie-down and lighting options.
  • High-Clearance ToolBoxes: Ideal for overlanding and off-road use with improved departure angles.
  • Full-Size Pallet Capacity: Custom designs that fit four standard pallets or match your truck cab width for a seamless look.

Features of our flatbeds:


  • Heavy-Duty Build: Engineered to handle heavy loads, equipment, and rough terrain.
  • Custom Add-Ons: Toolboxes, stake sides, lighting packages, and more.
  • Powder-Coated Finish: Long-lasting protection with custom colors available.
  • Available in: Steel or Aluminum

If you are looking for a custom flatbed in Idaho for work, ranching, or adventure, Lost River Fabrication delivers flatbeds that are built for the job.

The Lost River Difference

When you partner with Lost River Fabrication, you get more than just equipment; you get a team committed to precision, speed, and customer success.

  • Expert Team

    Our skilled fabricators and technicians bring years of hands-on experience, ensuring your parts are cut, bent, or welded right the first time.

  • Custom Solutions

    Every project is unique. Whether you need one-off prototypes or full production runs, we tailor our approach to your exact specifications.

  • Local Commitment

    Based near Boise, we proudly serve companies across Idaho and the Northwest, combining big-shop capabilities with small-shop service.

  • Fast Turnaround

    We know timelines matter. Our process is built around delivering quality work quickly without cutting corners.

  • Advanced Technology

    We invest in state-of-the-art machines like fiber lasers, robotic welders, and water jets to give you accuracy and efficiency on every project.

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