Maximize storage on your flatbed, trailer, or work truck without weighing down your chassis with our commercial grade underbody toolbox. Our 18x18x36 underbody toolbox delivers 6.75 cubic feet of secure storage in a lightweight, corrosion-resistant package. Built from extra-thick 0.125" aluminum, this box is engineered to withstand road grime, salt, and heavy commercial use while keeping your gear dry and accessible.
Whether you're outfitting a flatbed, semi-truck, or dump trailer, our design mounts easily to your chassis to add functionality to your unused space.
Key Features
HD Aluminum Construction: Built from 0.125" (1/8-inch) thick aluminum for superior strength to weight ratio (double the industry standard)
Weather Ready Finish: Premium matte black powder coat offers extra protection again corrosion and road debris.
Vibration Resistant Hinges: Features four-piece stainless steel huck-bolted hinges that won't rattle loose over time.
90 Degree Dropdown Door: Store and access your equipment easier with a full dropdown door opening 90 degrees.
Premium Door Cables: marine-grade, vinyl coated steel cables that resist road salt and corrosion.
Weather-Sealed: Automotive-grade one piece gasket keeps water and dust out of your tools.
Secure Locking: 2xDie-cast heavy duty T-Handle latches (adjustable with key lock) for maximum security.
Precision Built: Robotically welded seams ensure structural consistency and durability.
