Cross Frame Back Packs

Cross frame toolboxes mount directly to your truck’s frame, giving you secure, full‑width storage without sacrificing bed space. Tough, efficient, and built for serious work.

Cross frame toolboxes are the heavy‑duty storage solution built for flatbeds, service trucks, and commercial rigs that need secure, full‑width storage mounted directly to the truck’s frame. Designed to sit behind the cab or between the rails, these boxes maximize space without interfering with your bed, cargo, or equipment.
With reinforced construction, weather‑tight seals, and secure locking systems, cross frame toolboxes protect your tools, chains, rigging gear, and job‑site essentials from theft and the elements. Whether you’re running a fleet, hauling equipment, or managing daily job‑site operations, these boxes deliver rugged, reliable storage that keeps your truck organized and work‑ready.

What is a cross frame toolbox?
A cross frame toolbox is a full‑width storage box mounted directly to a truck’s frame, providing secure, weather‑proof storage without using bed space.

 Full‑Width Storage Without Losing Bed Space

Mounted directly to the truck’s frame, these boxes give you maximum storage capacity while keeping your bed open for hauling equipment and materials.

You might be interested in: 

• Flatbed Toolboxes
• Underbody Toolboxes
• Topside Toolboxes
• Utility Decks