Aluminum Truck & Trailer Underbody Tool Box 18″H × 18″D × 24″W (Single Door, Locking T-Handle)

Keep your tools and equipment secure with this aluminum truck and trailer underbody tool box, built for durability and reliable performance in demanding commercial environments.

Constructed from 1/8″ thick aluminum, this heavy-duty storage box provides a strong, corrosion-resistant solution for storing tools, chains, binders, and essential equipment. The 18″H × 18″D × 24″W size offers practical storage capacity while maintaining efficient use of space on trucks and trailers.

The reinforced single checker plate door enhances durability and structural strength, while the locking T-handle keeps your equipment secure yet easily accessible. Suitable for frame or underbody mounting, this tool box is designed for semi trucks, flatbed trailers, and commercial truck applications.

Designed and manufactured in Brantford, Ontario, this box is trusted by truckers and fleet operators across Canada for dependable, long-term performance.

Key Features

• 1/8″ Thick Aluminum Construction – Lightweight, corrosion-resistant, and built for heavy-duty use
• Single Checker Plate Door – Reinforced design for added strength
• Locking T-Handle – Secure storage with easy access
• 18″H × 18″D × 24″W Size – Practical storage capacity without excess bulk
• Versatile Mounting – 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 of aluminum storage solutions and trucking accessories, built for strength, durability, and real-world performance. Designed and manufactured in Brantford, Ontario, our products are trusted by truckers across Canada.

Same-day shipping on orders placed before 12:00 pm.
Local pickup available in Brantford, ON.

For questions, call 1-519-720-9464.