Bulldozer wa SD9N ndiwotsegulira wama track-track wokhala ndi sprocket yokwera, ma hydraulic drive otsogola, oyimitsidwa mozungulira komanso owongolera ma hydraulic. Okonzeka ndi mphamvu yolekanitsa hayidiroliki-makaniko amtundu wa Torque converter, mapulaneti, kusintha kwa magetsi komanso kufalikira kwa lever imodzi.