The J.I. Case 511-B is a row-crop tractor produced from 1958 to 1960 as part of the 500B Series. Built in Rock Island, Illinois, USA, it features a 2.7L 4-cylinder gasoline engine delivering an estimated 50 hp. The tractor offers 4-speed and 12-speed gear transmission options, with a PTO claimed power of 45 hp. It has a wheelbase of 87 inches and an operating weight of 4721 lbs. The 511-B includes features such as two-wheel drive, manual steering, disc brakes, and an open operator station. Optional attachments include the 291B front-end loader. The tractor was originally priced at $3,700 in 1960 and had a total production of 1,481 units.