The sales report on YesterdaysTractors.com in 2015 lists sale prices for most old Ferguson tractors ranging from $300 to $5,000, with one outlier listed at $35,000. The classified section of FergusonEnthusiasts.com as of 2015 lists eight old Ferguson tractors ranging from $1,500 to $3,500, with one listed at $9,000.
YesterdaysTractors.com's Ferguson tractor sales report list prices for 52 tractors from model years 1948 to 1961, with the majority priced between $2,000 and $3,000. One $35,000 vehicle is from 1977. FergusonEnthusiasts.com lists tractors from 1942 to 1954 model years with an average price around $3,000.
Popular models from both sites include the TE-20, TEA-20, TO-20 and TO-30.