SAE J/ISO 3411:2003 Earth-moving machinery Human physical dimensions of operators and minimum operator space envelope (This document is no longer maintained by SAE)
This International Standard defines the dimensions of male operators of earth-moving machinery and specifies the minimum normal operating space envelope around the operator enclosures (cabs@ ROPS@ FOPS) generally applicable to earth-moving machinery. It applies to earth-moving machines as defined in ISO 6165.