This trailer is a very roomy 3 horse that will haul 4 horses if the rear tack is collapsed and the dividers removed. There are no mangers in this trailer as it was ordered to do dual service as a quad hauler. The rear compartment will haul a large side by side. It is 76 wide between fenders, 85 tall to the doorframe, and 128 long and has a few tie-down anchors already installed. Living quarters...