ISO 4253:1993

Lays down dimensions for the operator's seat and the location of specific controls relative to the seat index point within the seating accommodation on agricultural tractors with a track width greater than 1150 mm. The controls included are the steering-wheel, clutch pedal, brake pedal(s), and throttle pedal. Standardized dimensions and locations will assist the future design of operator's seating accommodation on agricultural tractors.