John Deere introduced three new models of tractors in 1970 for the 1971 model year. The 4320 and 4620 were 2-wheel-drive, row-crop tractors, rated at 115 and 135 PTO horsepower, respectively. The 7020 ...
John Deere announced the launch of six new 8R and 8RX tractor models, expanding its 8-series lineup with higher horsepower options and updated technology. The new models include horsepower options of ...