X class

X class or Class X may refer to:

Automobiles

 * Mercedes-Benz X-Class, a luxury pickup truck

Rail transport

 * TGR X class, a class of diesel-electric locomotives used by the Tasmanian Government Railways
 * NZR X class, a class of steam locomotives used by the New Zealand Railways Department
 * South Australian Railways X class, a class of steam locomotives used by the South Australian Railways
 * Victorian Railways X class, a class of steam locomotives used by the Victorian Railways in Australia
 * Victorian Railways X class (diesel), a class of diesel locomotives used by the Victorian Railways in Australia
 * WAGR X class, a class of diesel locomotives used in Western Australia
 * NCC Class X, a class of steam locomotives used in Northern Ireland
 * NER Class X, a class of steam locomotives used on the North Eastern Railway of Britain
 * Nilgiri Mountain Railway X class, a class of rack and pinion steam locomotives used in India
 * X-class Melbourne tram
 * X1-class Melbourne tram
 * X2-class Melbourne tram

Ships

 * X-class submarine, a British midget submarine
 * X-class lifeboat, operated by the RNLI

Model yachts

 * San Francisco Model Yacht Club X Class, a model yacht class

Drones

 * X Class drone racing, which is a name used for first-person view (radio control) giant drone racing

Other uses

 * Tenth grade, Class X, secondary education in countries such as India and Indonesia.
 * X is the class of solar flares with the highest peak soft X-ray flux