I found this on the Yesterday's Tractor Co store. I have a 706 and a 560 and both of them have one on them.
Hood Ornament, Chrome - For tractor models 200, 230, 240, 330, 340, 404, 444, 460, 504, 544, 560, 606, 656, 660, 664, 706, 756, 826, 2404, 2444, 2504, 2544.