The Standard Duty Cargo is where quality meets value. Designed and built on the same foundation as even our most high-end custom trailers, the Standard Duty Cargo series is unrivaled in quality in its category. The Standard Duty Cargo Series boasts Charmac's new 3" radius extruded roof header and cast aluminum header caps. Standard Duty Cargo models can be fully customized to meet your exact specifications for almost any use. Tubed wall supports, heavier frame walls, and Charmac's own heavy-duty "Bridged" roof system set us apart from any competition and deliver a very high-quality product consistent with the Charmac name.