Crossover Box
A Crossover Box is a storage box that mounts across the bed of a pickup truck. It sits over the truck’s side rails, spanning from one side of the bed to the other. Crossover boxes are popular with folks who want secure tool storage, good weather protection, and the ability to access tools from either side of your truck. Models and sizes to fit all makes of trucks. Single lid and double lid models available.
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.
- .100 gauge aircraft grade aluminum, continuous welded seams, inside hitch welding
- Diamond plate aluminum construction (smooth available)
- Heavy duty continuous hinges
- All boxes equipped with key locks
- Heavy duty gas props on all lids
- Stainless steel paddle latches on all lids (key lock) (double connecting latch on full size boxes)
- Tight fitting lids with rubber gaskets
- Aluminum sliding storage tray on Teflon sliders: 2" deep, 61" long (bottom length)
Optional Features
Optional enhancements designed to tailor your build for specific jobs, loads, and real-world use cases.
- Choose from 3 styles of lids; full, split lid, split hinged towards cab
- No tray
Popular Sizes
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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
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