. "Standard class railcars" . . "Standard class railcar" . "NZR RM class (Standard)" . "RM" . "Standard railcars" . "Standard railcar" . . "Standard" . "3.0E7" . "NZR RM class (Standard)" . . . . . "48" . . "6" . "Standard (Aotea) Railcars" . . . "RM 34" . "RM 31" . "1938" . "Standard class" .