This practice includes industrial-type flail mowers designed for operation with tractors having at least 20 hp (15 kW) and used for cutting grass adjacent to highways or similar types of grass and growth control.
SAE J1001-1986 history
2014SAE J1001-2014 Industrial Flail Mowers and Power Rakes
2009SAE J1001-2009 Industrial Flail Mowers and Power Rakes
2004SAE J1001-2004 Industrial Flail Mowers and Power Rakes
1987SAE J1001-1987 Industrial Flail Mowers and Power Rakes