"D^G class locomotive" . . . . . "New Zealand Railways DG class" . . "DG class locomotives" . . "D^G class diesel-electric locomotive" . "6" . "D^H (1956)" . . "13.716" . "DG class" . "New Zealand DG and DH class locomotive" . . "New Zealand DG and DH class locomotive" . "D^G class locomotives" . "D^G 772" . . . . . . . "D^G" . "NZR DG & DH Classes (1955)" . . "D^H class" . "D^G class" . "DH class" . "2.4384" . "1955" . "3.3528" . "DG" . "1956" . . "D^G 791" .