Tractor safety has improved through strict manufacturing standards and structural roll-over protection. Roll-Over Protective Structures, or ROPS, along with lap seatbelts, save lives by keeping operators inside a protective zone during accidental turnovers. Modern tractors also include interlock safety switches, wide lighting arrays, and safety shields over exposed rotating drive comp... https://mysportsgo.com/Blog/76355/tracing-used-tractor-history-without-serial-number