2026 ATC Trailers STO 450 8.5x20 Aluminum Car Hauler 8.5 ft x 20 ft - 3.5k- F236735

Experience standard-setting durability and modular design with the brand new ATC Stō 450 Cargo/Hauler Trailer. Built for those who demand commercial-grade quality, effortless utility, and clean craftsmanship, this 8.5' x 20' hauler delivers unmatched capability for your vehicles, gear, or workspace.

Built Stronger: Premium All-Aluminum Frame

Forget heavy, standard steel designs that rust over time. The ATC Stō 450 features a 6-sided welded all-aluminum tube frame engineered for max strength and lighter towing weight.

• Screwless Aluminum Exterior: Sleek .030 screwless aluminum outer skin delivers a clean visual finish and reduced maintenance.

• Commercial-Grade Flooring & Walls: Outfitted with 3/8" engineered walls featuring integrated cove trim and a robust 3/4" engineered wood floor built to handle heavy loads.

• Precision Crossmembers: Structured with 16" on-center floor, wall, and roof crossmembers for high-rigidity support.

Transform Your Space: Patented LifeTrac Modular System

The Stō 450 line features ATC’s patented LifeTrac modular track system integrated directly into the walls. Gone are the days when a cargo trailer serves only one rigid purpose. Add, move, or remove cabinets, shelves, folding sofas, or tie-downs whenever your cargo requirements change.