All 29 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
Fox River Tractor Company
(no label)
Standard-tread tractor
(no label)
Built in Appleton, Wisconsin, USA
(no label)
Original price was $2,200 in 1920
(no label)
Limited information is available on the Fox 18-35. It is unknown whether this tractor actually entered production. The primary difference between the Fox 18-35 and Fox 20-40 appears to be the engine speed.