Spreading nitrogen on winter barley in 2015 with a 1970 David Brown 880 Selectamatic running on Goodyear TerraTires and working with a Vicon VariSpreader. At the time the David Brown had already done 26,000 hours.
From the Classic Farming with Classic Machinery DVDs which are available here with FREE worldwide postage: http://anglianagrimedia.co.uk/cfcm.html
Action packed, with tractors working hard and plenty of noise and smoke, this DVD is a must for any tractor enthusiast or lover of farm machinery.