Looks great! If you do have trouble pulling or turning it in the field I would extend those Runners couple feet on the tow end, then put a 16' steel pipe or 4x4 a couple of feet beyond your runners. This will keep the pressure of the tractor itself.
Great idea thank you I have it hooked to my case backhoe now so it lifts it 6-8 inches when moving haven’t had a problem yet but I’m still learning and using it. I did have to add boat trailer wheels to each back side due to the pigs rutting the weeds and soil up as to not drag all the dirt as I move it.. thank you for the comment
It worked ok needs a little more support in the corners and the trailer wheels in back need mounted better but held up well for as much as we moved it. Also if I do again would put plastic roof panels on it instead of the metal sheets due to weight. Thanks for comment.
if you put a strongback across the top in the middle it will hold all those stringers up. a strong back or stiff back if you don't know is like 2 2x6's nailed onto each other to make a corner or 90 degree . you could also add a third board to make a U shape
We definitely need to reinforce it I’m going to do a post season video on what problems we had. The pigs go to butchers tomorrow lol. Thank you for the advice and comment