参见 SAE1100 一般A类是乘用车,B类是载货车
TABLE 1—CLASS A VEHICLES
Dimension Code Range
Chair Height H30-1 127 to 405 mm
Design H-Point Rise TH17 0.0 to 50 mm
Normal Driving and Riding Seat Track Travel TL23 100 mm or more
Steering Wheel Diameter W9 less than 450 mm
Back Angle A40-1 5 to 40 deg.rees
TABLE 2—CLASS B VEHICLES
Dimension Code Range
Chair Height H30-1 405 to 530 mm
Design H-Point Rise TH17 0 mm
Normal Driving and Riding Seat Track Travel TL23 100 mm or more
Steering Wheel Diameter W9 450 to 560 mm
Back Angle A40-1 11 to 18 deg.rees