The Jupiter

The Jupiter is a steam train that was own by the Central Pacific railroad and appears in The Lone Ranger.

In the film The locomotive idled at Promontory, Utah for the Transcontinental Railroad alongside another steam locomotive, The Constitution.

When Tonto stole the Constitution The Jupiter sped into pursuit of the Constitution.

When Tonto knocks Cole down, holds him at gun point with his own gun and then throws back the cheap pocket watch which Cole had paid him twenty six years earlier in return for showing him and Cavendish the location of the silver, telling him it was a "bad trade" the Jupiter plunge into the river below and drown.

Trivia
The Jupiter is actually own by the Central Pacific railroad (C.P.R.R) but in the movie it was own by the Western Pacific Railroad (W.P.R.R) the Jupiter was never own by the Western Pacific Railroad.

After filming the movie the Jupiter and the Constitution were both donated to the Filmore and Western Railway were they are seen today in storage.

The locomotive was featured in Disney INFINITY along with the Constitution.