You are buying a brand new still in the wrapper I and T shop manual for ALLIS CHALMERS MODELS 5020,5030.When you purchase this item from Smart Farmer LLC it will be shipped out priority mail the same or very next day. I&T is the preferred line of tractor repair manuals since 1948. It is written for the experienced mechanic by professionals. Easy to use format for quick and handy reference. Includes illustrations, exploded views and photos.