Fiat Small 90 series, from 55-90 to 80-90DT tractors with ROPS, Comfort and Super Comfort cabs, 2wd and 4wd.
Fiat 70-90 Leaflet
This video is the original promotional videos offered for the 90 series, its in Italian, I cannot find a English version. It talks about some of the market leading features of the time, Left hand Shuttle, Hi/Lo split, 40km/h road gear with 4 wheel breaking thanks to a CarDon shaft disc brake caliper on the driveshaft to the front axle.