Page 138 - IT'S A RUM LIFE BOOK TWO "BOSTON 1960 TO 1970"

Picture above, the NEW F151 rear tractor tyre.

A NEW TYPE OF TYRE
In the mid 1960’s Firestone produced a revolutionary tyre
to try and combat the excessive wear problem of tractors
running for longer periods on roads. They called it the ‘F151
Field and Road ‘tyre.
Not only did it have tread bars at a more acute angle, (23%
in fact instead of the industry normal 45% or so,); but it also
ran at a lower pressure to make these tread bars sit flatter
right across the tyre surface.

Picture of typical standard type of rear tyre, a Goodyear.

I ought to add here that radial tractor tyres were in a
forward development stage at this time by Michelin who were
even in the 1960’s producing undoubtedly the best tyres in the
World.
Michelin at this time held many of the important ‘patents’
involving steel banded radial tyres which are the most
successful of any radial banded tyre. Firestone and all the

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