I'm not sure about this Texas sized tractor. Right now I have 15 birds in it and it sure leaves a mess in the yard. I have to move it every day and it is so big I'm going over the same areas too soon, I can't have all of the poop and feathers in the yard where the kids play. AND they eat the St Augustine grass and leave the crappy stuff. Soooo I fixing to park it next to the main coops and call it a coop and not a tractor. Gonna make a smaller one for only 2 or 3 chickens.This coup is in my yard, shared by my 5 dogs that i dont totally deem trustworthy...but at the same time no critters will be coming in my yard. I may give it a shot leaving thier door open on this one. The bigger one is a little further out and prone to more night time critters so not sure about at that time...
I have another "shed-ish" thing that im gonna attempt to turn into a meatie pen soon! Kinda the same concept but will be a more open air style like your "texas sized tractor"