title: Y class
text: # Y class
  
  Y class or class Y may refer to:
  
  ## Locomotive classes
  
  * South Australian Railways Y class, a steam locomotive class built in South Australia
  * Victorian Railways Y class, an example of the new policy of standard design principles being adopted by the railways
  * GNoSR Classes X and Y, two similar classes of 0-4-2T steam locomotives
  * NCC Class Y, a class of 0-6-0T steam locomotive
  * NER Class Y, a 4-6-2T steam locomotive
  * SNCF Class Y 7100, a class of small diesel shunters
  * SNCF Class Y 7400, a class of small diesel shunters
  * SNCF Class Y 8000, a class of diesel shunter built between 1977 and 1990
  * SNCF Class Y 8400, a class of small diesel shunters
  * SNCF Class Y 9000, the new designation for modernized and re-engined Y7100 and Y7400 shunters
  * Tasmanian Government Railways Y class, a type of Bo-Bo diesel electric locomotive
  * Victorian Railways Y class (diesel), a small branch line and shunting unit
  * WAGR Y class, a diesel electric locomotive introduced in 1953
  
  ## Other uses
  
  * Y-class lifeboat, a class of small inflatable boat operated by the RNLI of the United Kingdom and Ireland
  * Spectral class Y, spectral classification of a brown dwarf substellar object
  * Economy class (travel class code used by airlines: "Y")
  * Class Y, a capacitor type
  