The Virginia and Truckee 18 Dayton is a historic standard gauge steam locomotive on display in Sacramento, California.

The Dayton, a 4-4-0 "American", was built in 1873 by the Central Pacific Railroad, in Sacramento, California, and was based on the design of the CP's 173 engine.

[2] [3] The locomotive weighs 78,000 pounds (35,000 kg),[4] has 60 inches (150 cm) driving wheels,[3][4] and carried 2,500 US gallons (9,500 L; 2,100 imp gal) of water and 3 cords of wood.

22 Inyo to Paramount Pictures who then had the locomotive overhauled at the Southern Pacific Railroad shops in Sparks, Nevada.

It remained at the Golden Spike National Historic Site throughout most of the 1970s, along with the V&T's Inyo, which was modified to represent the Central Pacific's Jupiter.

[10] In July, 2022, the engine will be loaned to the California State Railroad Museum for a period of two years, during which time the Genoa and the J.W.