This part of ISO 17101 gives specifcations and acceptance criteria for the thrown-object testing of fail mowers used in agriculture. Examples of machines are shown in Annex A. It is not applicable to the following:- large rotary mowers;- rotary mowers;- mowers with an articulated arm;- mowers with one or more vertical axis designed for mulching;- pedestrian controlled motor mowers;- lawn mowers or machines designed as lawn mowers;- inter-row mowing units;- machines designed for highway and road maintenance only;- fail mowers that have the rear part which can be opened for particular feld use operations (e.g. row-crop mowers).NOTE 1 If a machine is also designed for use outside agriculture, in addition to the thrown-object test given in this part of ISO 17101, other thrown object tests might apply.NOTE 2 Thrown-object tests and acceptance criteria for rotary mowers are dealt with in ISO 17101-1.