Division 4 MECHANICAL STRENGTH TESTF1 United Kingdom Repealed Original text. Later amendments are not shown. 4.1Indices of difficulty of the secondary characteristics 4.22 260-g-ball test 4.3227-g-ball test Annotations Textual amendments F1 Repealed by Directive 2009/144/EC of the European Parliament and of the Council of 30 November 2009 on certain components and characteristics of wheeled agricultural or forestry tractors (codified version) (Text with EEA relevance). ← Division 3.3.3.2.2 Division 4 Division 4.1 →