The greatest area ploughed in 24 hours with a tractor VERSATILE 535 (535 hp) with disc harrow XXL Gregoire Besson (14m) to a depth of 10 cm (3.94 in) is 417.4 ha. This was achieved by ROSTSELMASH company (Russia) and Gregoire Besson (France) in Kevsala village, Russia, on 12-13 July 2010.