I like the crispness of the subject, and the softness of the background. I don't know...maybe the red was emphasized a bit too much, makes it look almost....animated, but really a good photo.
This doesn't feel quite square on, even though the bottom axle is obviously square with the bottom of the photo... I would try a few alternative clockwise rotates, to see if anything other angle works better.
Great photo for this challenge. The beautiful background makes me wish you could post another picture just of that background scene. It's gorgeous with those tree-covered hills behind the quaint farmland. Can you send me a copy of a picture like that :) But for this challenge, I love the way you've incorporated something old and obsolete and made it look so appealing and pretty! I