The Chief XL is designed to provide optimum interior space, storage, and comfort. Built on the Chevy G4500 chassis, this unit boasts one of the highest usable payloads in the industry. The Chief XL has an interior headroom height of 72" and takes advantage of its length by providing maximum storage both inside and out. Available in a nicely equipped standard package, or customized to meet your specific requirements, the Chief XL provides superior value, comfort and safety.