That is the purpose of them, in conjunction with a seat that has a belt to secure you in place, which you must use for it to function as designed. Properly designed, specific to a particular tractor, they became required in the late 60's or early 70's. Definitely a good idea, to not trust anything that was not designed and fabricated for a particular tractor, by the original manufacturer or qualified aftermarket, based on a design that has been engineered for the purpose. One eye opener is what I remember reading on a government site, (was an o.s.h.a. site I think), was investigation reports, particularly ones about fatalities arising from rops that failed, and were not designed and fabricated to meet the requirements to support the weight of the tractor and protect the operator. Some of the bizarre occurences I can recall reading there, all tragic, but true, really makes one aware of the potential turnover and other kinds of accidents that can happen. It is best to play it safe, using care when operating and never over extending the limitations of the tractor or equipment one is using in whatever conditions that may be encountered,like side hills, lifting things, towing things etc. A low center of gravity tractor with adequate ballast, having a certified rops and seat, being buckled in, sure gives one some peace of mind on hills and other conditions.
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