APPLICATION: This SAE standard includes names of major components and parts peculiar to this type machine. Illustrations used here are not intended to include all existing commercial machines@ or to be exactly descriptive of any particular machine. They have been picked to describe the principles to be used in applying this standard.
SAE J990-1967 history
2020SAE J990-2020 Nomenclature-Industrial and Agricultural Mowers
2014SAE J990-2014 Nomenclature-Industrial and Agricultural Mowers
2009SAE J990-2009 Nomenclature Industrial and Agricultural Mowers
2004SAE J990-2004 Nomenclature Industrial and Agricultural Mowers
1987SAE J990-1987 Nomenclature - Industrial and Agricultural Mowers