I'm seeing other vehicles reference it. "Truck, Cargo, Dropside 2 1/2-TON 6X6 W/E" and also "2320-01-050-2084 M923 5T CARGO TRUCK, DROPSIDE, 6X6, W/E" I'm starting to think with how it doesn't typically show up in the manuals, but shows up on data plate and tagged to item descriptions on an...