This International Standard specifies performance and safety requirements for both normal and emergency
steering modes of agricultural tractors. It is applicable to those tractors having a maximum design speed,
measured in accordance with ISO 3965, not exceeding (60 _+ 3) km/h.
It is not applicable to track-laying tractors equipped with steel tracks having a maximum design speed,
measured in accordance with ISO 3965, not exceeding (15 _+ 3) km/h.
ISO 10998:2008 Referenced Document
ISO 14982:1998 Agricultural and forestry machinery - Electromagnetic compatibility - Test methods and acceptance criteria
ISO 19879:2005 Metallic tube connections for fluid power and general use - Test methods for hydraulic fluid power connections
ISO 3965:1990 Agricultural wheeled tractors; maximum speeds; method of determination
ISO 7000:2004 Graphical symbols for use on equipment - Index and synopsis
ISO 789-11:1996 Agricultural tractors - Test procedures - Part 11: Steering capability of wheeled tractors