John Deere admitted its 8000-series high hp models into the ’10’ club back in 1999. Indeed the 8000 was the last of the Deere tractors to receive the ’10’ treatment, following on from the earlier launches of the 6010s, 3010s and 7010s. So, what has this latest upgrade done for the Deere premium tractor, the high hp ’10’er? Our test looks at the range flagship, the 198kW/270hp 8410