Union Pacific 4466

Union Pacific 4466 is an 0-6-0 "Switcher" type steam locomotive built in October 1920 by the Lima Locomotive Works for the Union Pacific Railroad (UP) to perform switching chores and transfer runs.

Union Pacific 4466
Type and origin
Power typeSteam
BuilderLima Locomotive Works
Serial number6003
Build dateOctober, 1920
Specifications
Configuration:
​
 • Whyte0-6-0
Gauge4 ft 8 1⁄2 in (1,435 mm)
Driver dia.51 in (1,295 mm)
Adhesive weight159,000 lb (72,000 kg)
Loco weight159,000 lb (72,000 kg)
Fuel typeCoal
Cylinder size21 in (530 mm) dia × 26 in (660 mm) stroke
Performance figures
Tractive effort34,400 lbf (153,000 N), 78,000 lbf (350,000 N) with booster
Career
OperatorsUnion Pacific
ClassS-6
Numbers4466
Retired1962 (revenue)
1999 (excursion)
Restored1984
Current ownerCalifornia State Railroad Museum
DispositionOn static display at the California State Railroad Museum in Sacramento, California

History

UP 4466 spent most of its career in Cheyenne, Wyoming, as a shop switcher and was the UP Cheyenne Shop's last steam shop switcher. After its stint in Cheyenne, 4466 was transferred to Grand Island, Nebraska in 1960. The locomotive was retired from revenue service in July 1962.[1] It continued to remain in Grand Island until 1973 when it was donated to the Railway and Locomotive Historical Society.[2]

In 1978, No. 4466 was donated to California State Railroad Museum. In 1984, it was restored to operating service and pulled excursion trains for the museum. In 1986, 4466 ventured to Vancouver, British Columbia, to be part of Steam Expo '86.[3]

Since at least 1999, UP 4466 now resides in retirement, and as of 2020, is currently a static display at the California State Railroad Museum.

  • Union Pacific 4466 at SteamExpo 86
  • Union Pacific 4466 at SteamExpo 86

References
  1. http://www.rrpicturearchives.net/showPicture.aspx?id=3717268
  2. "Richard Leonard's Random Steam Photo Collection - Union Pacific 0-6-0 4466". Railarchive.net. Retrieved February 4, 2014.
  3. "UP Joe Passentino | Stories | Union Pacific 150th Anniversary". UP150.com. Retrieved February 4, 2014.
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