Here is an example of a 19" optional tailgate on a body built by Harbor Truck Bodies in Brea, CA. These shots show it closed and also laying down. This body has a raised cargo bed enclosure as well as a horizontal series on the curbside. And don't forget Harbor is famous for their standard Stainless Steel lids!
Contact Harbor Truck Bodies at 800-433-9452 and visit the website at www.htbi.net.