Chicken tractor 10 of 17

On the three boards in the back, measure and mark 2 lines on each of them. One line @ 21" from the top of the cross piece and one line @ 46" from the top of the cross piece

Cut 1: 1x3 99" long
Cut 1: 1X3 73" long

Install on the outside of the 3 uprights and ABOVE the marks.



Go to the front.
From each inside edge of each door board, measure out 20" and mark the line, this mark will also be about 20" from the end of the cross piece