This part of GB/T 1593 specifies the main dimensions and parameters of the rear-mounted three-point hitch for small agricultural wheeled tractors. This part of GB/T 1593 applies to small agricultural wheeled tractors (hereinafter referred to as tractors) with power output shaft power not greater than 15 kW (20 horsepower).
GB/T 1593.4-2004 history
2015GB/T 1593-2015 Agricultural wheeled tractor.Rear-mounted three-point linkage.Categories 0、1N、1、2N、2、3N、3、4N and 4