I"m rushing to 76 and it"s a real pain to turn my head around so I mounted a pickup truck mirror to the left end of the light bar on my H Farmall. At certain motor rpms it will vibrate a little, so I just adjust the throttle. I liked it so well I put one on my BN Farmall too.
I wouldn"t drive down a road without a mirror...too many crazies out there.
One of the mandatory items tractors have to have for the Great Eastern Iowa Tractorcade is a mirror. A great rule.
LA in WI