This SAE Standard applies to operator protective structures which may commonly be a part of construction, forestry, mining, and industrial machines. To establish limits on deflection permissible during laboratory evaluations of certain operator protective structures, such as rOPS, fOPS, OPS, and FOG as defined in other SAE standards.
1973SAE J397A-1973 DEFLECTION LIMITING VOLUME FOR LABORATORY EVALUATION OF ROLLOVER PROTECTIVE STRUCTURES (ROPS) AND FALLING OBJECT PROTECTIVE STRUCTURES (FOPS) OF CONSTRUCTION AND INDUSTRIAL VEHICLES
1972SAE J397A-1972 CRITICAL ZONE FOR LABORATORY EVALUATION OF ROLL OVER PROTECTIVE STRUCTURES (ROPS) AND FALLING OBJECT PROTECTIVE STRUCTURES (FOPS) OF CONSTRUCTION AND INDUSTRIAL VEHICLES
1969SAE J397-1969 Critical Zone-characteristics and dimensions for operators of construction and Industrial Machinery