"DXH" . "DX 5448" . "DX class diesel locomotives" . . "New Zealand DX class locomotive" . . . "1972" . "DXR" . "DXs" . "DXR 8007" . "DX 5379" . "16.9" . . . . "DX class" . "12" . "DX class locomotives" . . "DXR class" . "1975" . "New Zealand DX class locomotive#DXR sub-class" . . . . "DX class locomotive" . . "DX5402" . "2.74" . "D^X class locomotive" . . "DX 5310" . "DXC" . "3.7" . . "D^X class" . "DX" . "DXR8007" . . "DX locomotives" . "DXR locomotive" . . "DXB" . "New Zealand DX class locomotive" . . .