The CaseIH 3594 is a row-crop tractor produced from 1985 to 1988 by CaseIH in Racine, Wisconsin, USA. It features a turbocharged 8.3L 6-cylinder diesel engine delivering an estimated 202.2 hp engine power. The tractor offers 24-speed and 12-speed partial power shift transmissions, four-wheel drive, power steering, and differential hydraulic wet disc brakes. It has a PTO claimed power of 182 hp and tested drawbar power of 160.39 hp. The 3594 includes a standard cab and a rear PTO independent with 1000 rpm type. It has a fuel capacity of 85 gallons and a hydraulic system capacity of 33.25 gallons with closed center hydraulics. Dimensions include a 116-inch wheelbase, 192.5-inch length, and 60-inch width, with an operating weight of 17,590 lbs. The tractor uses 16.9-26 front tires and 24.5R-32 rear tires.