Ko te SD7 Bulldozer Mahinga-maha he hua hou mo te keri me te whakauru i te taura muka whatu ki runga i te whenua, i hoahoahia e HBXG e mahi ana i nga mahi e whai ake nei: te whakatakoto me te whakaheke i te taura whatu, taura maitai, taura hiko, e puta mai ana te keri, te whakatakoto, te whakauru me tetahi mahi, tino whakapai ake i te mahi whaihua.