540 PTO, HP recommended 120,  bale diameter 36 - 72 inch, bale width 48 inches, max bale weight 2400 lbs, tires, 21.5L - 16.1 floatation tires, endless belts. This Vermeer G3 604 PRO baler was specially designed and built to handle the rigors of baling wet, heavy crops - combining strength and smart features while giving you the versatility of having a baler that can bale dry hay as well.