Report on test in accordance with O.E.C.D. standard code for the official testing of protective structures on agricultural and forestry tractors (code IV, static test) : protective structure "KUBOTA IC90" fitted to the tractors, KUBOTA M9000DT (4WD), KUBOTA M9000DTE (4WD), KUBOTA M9000 (2WD), KUBOTA M8200DT (4WD), KUBOTA M8200DTE (4WD), KUBOTA M8200 (2WD).