X class or Class X may refer to:

Automobiles

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

Railway locomotives

• 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

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

See also

• Class 10 (disambiguation)

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