Aluminum Truck & Trailer Underbody Tool Box 18″H × 24″D × 36″W (Mill Finish, Polished Double Doors, Left-Door Cam Lock)

Store tools and equipment securely with this aluminum truck and trailer underbody tool box, built for heavy-duty performance and everyday reliability in demanding commercial environments.

Constructed from 1/8″ thick aluminum, this heavy-duty storage box offers excellent strength while remaining lightweight and corrosion-resistant. The 18″H × 24″D × 36″W size provides generous storage capacity, with extra depth for storing chains, binders, tools, and other equipment. The mill-finish aluminum body with polished double doors delivers a practical combination of durability and a clean, professional appearance.

The double-door design provides convenient access to stored equipment, while the cam-lock handle mounted on the left door helps keep the box securely closed during transport. Suitable for side, frame, or under-deck mounting, this tool box is commonly installed on flatbed trailers and commercial trucks.

Designed and manufactured in Brantford, Ontario, this storage box is built for dependable performance in demanding trucking applications across Canada.

Key Features

• 1/8″ Thick Aluminum Construction – Strong, lightweight, and corrosion-resistant
• 18″H × 24″D × 36″W Size – Deep storage capacity for tools, chains, binders, and equipment
• Mill-Finish Aluminum Body – Durable, practical finish for commercial applications
• Polished Double Doors – Convenient access with a clean, professional appearance
• Left-Door Cam-Lock Handle – Secure door closure during transport
• Versatile Mounting Options – Suitable for truck and trailer installations
• Made in Canada – Manufactured in Brantford, ON

Mounting Recommendations:

Select the bracket size based on your vehicle type:

For Trailers (Large Mounting Brackets):

• Steel trailer frames: SBMTGPC2 – Large Steel Powder-Coated L-Brackets
• Aluminum trailer frames: SBMTGAL2 – Large Aluminum L-Brackets

For Trucks (Small Mounting Brackets):

• Steel truck frames: SBMTGPC1 – Small Steel Powder-Coated L-Brackets

For best results, we recommend using brackets that match your truck or trailer frame material to help prevent galvanic corrosion.

Brackets are sold separately.

View All Mounting Brackets → 

Why Trison?

Trison is a Canadian manufacturer specializing in high-quality aluminum storage solutions, headache racks, and other trucking accessories. Our products are designed for strength, longevity, and real-world performance.

Same-day shipping on orders placed before 12:00 pm.

Local pickup available in Brantford, ON.

For questions, call 1-519-720-9464.