List of former tractor manufacturers

This is a list of companies that formerly manufactured and / or sold tractors.

Some tractor and / or agricultural machinery companies have discontinued manufacturing, or were bought out or merged with other companies, or their company names may have changed.

A German Bautz AS120 tractor
Danish Bukh tractors (1959–1966) from Danmarks Traktormuseum
1916 Emerson Tractor, made by Emerson-Brantingham (USA)
Harrison Machine Works 1882 tractor
An English OTA (Oak Tree Appliances) tractor from late 1940s