Backpack Box
A Backpack box from Alum-Line is a storage box that mounts behind the truck’s cab giving you storage and access from both sides of your truck. Provides extra storage space for landscapes and trucks with dump bodies. Different sizes and designs available. Fill your extra space with storage.
Lightweight Strength That Outperforms Steel
High-strength aluminum delivers durability without unnecessary weight.
Proudly Made in the USA Since 1986
American-built trailers and work products trusted nationwide.
Designed for Commercial & Recreational Use
Built to handle demanding jobs, daily hauling, and custom applications.
Standard Features
Standard features engineered for strength, longevity, and everyday reliability.
- All aircraft grade aluminum construction
- 1/8" diamond plate skin
- Bolt-on strap hinges with (2) doors per side
- Full perimeter neoprene door seals
- Includes (2) shelves with "J" hooks
- Internal mounting sills
- Key lockable and adjustable catch
- Stainless steel T-handle locks
Optional Features
Optional enhancements designed to tailor your build for specific jobs, loads, and real-world use cases.
- Custom dimensions available
- Smooth aluminum skin also available
Popular Sizes
See Our Products in Action
Get a closer look at the design, construction, and real-world performance behind every Alum-Line build.
Decades of experience, trusted by thousands—precision, strength, and reliability in every build.
American-built aluminum products designed for real-world work, backed by three core principles for every product delivered
Built on 40 Years of Proven Craftsmanship
Since 1986, Alum-Line has produced premium all-aluminum trailers, truck beds, bodies, boxes, and specialty transport solutions for customers across the U.S. Our decades of experience shape every weld, panel, and design we build.
USa Manufacturing Power That Sets Us Apart
With over 120,000 sq. ft. of production space, dedicated plants, and continuous expansion, Alum-Line delivers the strength, precision, and consistency needed for commercial-grade performance in every product.
Nationwide Network Backed for years
Supported by 200+ dealers across the country and protected by a five-year workmanship warranty, our aluminum solutions are engineered to outperform steel and built to last a lifetime.
Trailers Built For Hard Work Across America.
With years of hands-on experience and a commitment to quality craftsmanship, we turn raw materials into real-world solutions — from custom industrial parts to full-scale fabrication projects.
Years in Business
120,000 Sqft Manufacturing Facilities
Dealers Across the USA
Where Workmanship Lasts a Lifetime.
Specials
Limited-run pricing on select aluminum builds—grab deals before they’re gone.
New Products
Newly engineered additions built for tougher jobs and higher performance.
Reviews
Hear from Alum-Line customers on their real world experience.
Warranty
Know your coverage and submit a claim for your Alum-Line product.