Roll Over Protective Structures (ROPS).
(a) Excluding equipment that is operated by remote control, all self propelled track-type (crawler mounted) or wheeled (rubber-tired) scrapers: front-end loaders; dozers; tractors, including industrial and agricultural tractors but not including over-the-road type tractors (the type that pull trailers or vans on highways); and motor graders; and wheeled prime movers (a tractor of the type and kind normally used as the mode of power for rubber tired scrapers); all as used in metal and non-metal mining operations, with or without attachments, shall be used in such mining only when equipped with (1) roll-over protective structures (ROPS) in accordance with the requirements of paragraphs (b) through (g) of this standard, as applicable, and (2) seat belts meeting the requirements of the Society of Automotive Engineers (SAE), Motor Vehicle Seat Belts Assemblies - SAE J4c, approved November 1955, revised July 1965; Seat Belt Hardware Test Procedures - SAE J140a, approved April 197l, revised February 1973; Seat Belt Hardware Performance Requirements - SAE J141; Operator Protection for Wheel Type Agricultural and Industrial Tractors - SAE J333a, approved April 1968, revised July 1970, conforms to ASAE 8305; and Seat Belts for Construction Equipment - SAE J386, approved March 1968; and, in accordance with paragraphs (b), (c), and (e) of this standard, as applicable.