G class or Class G may refer to:

Locomotives

• NZR G class (1928), a type of steam locomotive used in New Zealand
• Tasmanian Government Railways G class, a class of 0-4-2T steam locomotive used in Australia
• V/Line G class, a class of diesel-electric locomotives
• SECR G class, a class of 4-4-0 steam locomotives
• Two types of diesel locomotives used by Córas Iompair Éireann:
  • CIE 601 Class
  • CIE 611 Class
• Australian Standard Garratt
• Metropolitan Railway G Class, a class of 0-6-4T steam locomotives
• Victorian Railways G class, a class of narrow gauge locomotives

• WAGR G class, a class of 2-6-0 steam locomotives operated by the Western Australian Government Railways

Ships

• G-class destroyer (disambiguation), several classes of ships
• G-class frigate, one of the frigate classes of the Turkish Navy
• G-class landing craft, a vessel in use by the Finnish Navy and the Swedish Navy
• G-class submarine (disambiguation), several classes of ships
• OOCL G-class container ship, a class of very large container ships.

Other uses

• Class G is a class of airspace in various airspace classification systems
• G-class blimp, a type of blimp built in America from 1935
• Class G, a spectral class for stars
• Class G amplifier, a class of electronic amplifiers usually used in high-power audio applications
• Mercedes-Benz G-Class, a luxury SUV (sport utility vehicle)
• Short G-class, a transport flying-boat
• Google Classroom

This disambiguation page lists articles associated with the title G class.
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