Southern Pacific 18

Nevada-California-Oregon 12
Southern Pacific 18
SP 18 at Laws, Calif. in 2017
Type and origin
Power type Steam
Builder Baldwin Locomotive Works
Serial number 37395
Model 10-26 D 285
Build date December 1911
Specifications
Configuration:
 ​
 • Whyte 4-6-0
 • UIC 2′C
Driver dia. 44 in (1.118 m)
Tender weight 87,000 pounds (39 t)
Tender type Whaleback
Fuel type Oil
Boiler pressure 180 lbf/in2 (1.24 MPa)
Cylinders Two, outside
Cylinder size 16 in × 20 in (406 mm × 508 mm)
Valve gear walschaerts
Couplers Knuckle
Performance figures
Tractive effort 17,800 lbf (79.18 kN)
Career
Operators Nevada–California–Oregon Railway
Southern Pacific Company
Numbers NCO: 12
SP: 18
Nicknames Slim Princess
Locale Eastern California
Delivered 1911
Retired 1955
Restored Completed July 2017
Current owner Eastern California Museum
Disposition Operational, Carson & Colorado Railway
#18 with standard gauge Southern Pacific locomotive 3203 at Owenyo, California in 1953

Southern Pacific #18 is an oil-fired 4-6-0 narrow-gauge steam locomotive, built by the Baldwin Locomotive Works in December 1911.

It was originally built for the Nevada–California–Oregon Railway and was sold to Southern Pacific in the late 1920s. The engine worked the rest of its career on the SP narrow gauge. The locomotive, along with sisters #8 and #9, were nicknamed "The Desert Princess" for serving the desert areas of Nevada and California.

The 4-6-0 locomotive weighed 87,000 pounds (39 t) when empty.

In 1954, there was a plan to purchase a new narrow gauge diesel from GE as SP #1 to replace numbers #8 and #18. That put both steam engines out of work, and they were retired soon after the arrival of #1. #8 was donated to the city of Sparks, Nevada, and #18 was donated to the city of Independence, California.

The #9 was the last Southern Pacific narrow-gauge steam locomotive to retire, and the last steam locomotive to pull a Southern Pacific narrow-gauge passenger train, with the last day of steam operation on the narrow gauge line being August 25, 1959. #9 finally retired in 1960.

The engine was preserved, along with #8 and #9. Today, #18 has been restored for operation on a short piece of track in a public park in Independence, California.

See also

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