Widely recognised for their quality and strength of construction, Upton tractors were the most powerful machines of their day. They were often compared to, and in some cases out performed 4wd tractors working in the same conditions. At 350hp. The giant Upton model 14/350 is still to this day regarded as the world's most powerful 2wd factory built agricultural tractor. Tractor production ceased in 1980.
For the enthusiast we still have original advertising literature and copies of articles from magazines printed during the manufacturing era.