This standard stipulates the comfort zone and reachable range of maneuvering according to the driver's seat of different sizes and the accessibility of the crossover. This standard can be used as a guide for the design of earth-moving machinery operating comfort.
GB/T 21935-2008 Referenced Document
GB/T 18577.1 Earth-moving machinery.Definitions of dimensions and codes.Part 1:Base machine*, 2008-08-26 Update
GB/T 8420 Earth-moving machinery.Physical dimensions of operators and minimum operator space envelope*, 2011-09-29 Update