This European Standard specifies steering system tests and performance criteria for evaluating the steering
capability of rubber-tyred self-propelled earth-moving machines having a machine speed, determined in
accordance with ISO 6014:1986, greater than 20 km/h.
It applies to tractors, loaders, backhoe loaders, excavators, dumpers, tractor-scrapers and graders equipped
with either manual (unassisted) steering, power-assisted steering of fully powered steering as defined in
ISO 6165:1997.