The trailer in the military's M1101 trailer, aluminum body and chrome-moly frame. Surge brakes, dual parking brakes, and run-away brakes too.
It's designed to run behind the HMMWV and uses HMMWV wheels and shocks. The army bought it for $8K and I got it from the auction for $750. I sold the heavy HMMWV wheels/tires/run-flats for $400 and replaced them with some stock 8-lug Chevy wheels. That removed a few hundred pounds from the trailer and lowered it just a bit. I hauled a yard of gravel with no drama, and that one haul saved me the $300 delivery charge, so this thing is paying for itself.
More info: https://www.silvereaglemfg.com/milita...er_ltt-l.shtml and https://olive-drab.com/idphoto/id_pho...1101_m1102.php