Put everything you need to know about Oliver tractors in your hip pocket! All Oliver and Hart-Parr tractors and crawlers from 1924 to 1964 are covered in detail, with serial number listings for the last of the Oliver tractors produced in the late 1960s. Exhaustively researched at the Floyd County Museum and Historical Society in Charles City, Iowa, this book details everything from serial numbers, production figures, and tune-up specifications to optional equipment, Nebraska Tractor Test data, and model variations. Includes serial numbers, dates of manufacture, known options, original prices, and more. The tractor versions include the collectible models, generally from those built from the teens to the sixties.