Union Pacific No. 2005

Union Pacific No. 2005
Railway(s)	Oregon Short Line Railway (Union Pacific Owned)
Status	On Static Display.
Technical specifications
Serial number(s)	36367
Manufacturer(s)	Baldwin Locomotive Works
Build date	April 1911
Rebuilt	1912
Classification	Mk-1 (Mk-57)
Wheel arrangement	2-8-2 "Mikado"
Dia. of Drivers	57"
Weight	265,600 Lbs. (Engine only)
Rail gauge	4 Feet 8 1/2 Inches (Standard gauge)
Valve gear	Walschaerts
Valves	12"
Cylinders	23 3/4" x 30"
Boiler type	Radial-Stay
Boiler pressure	190 Lbs. PSI.
Superheater	Schmidt (Added in 1912)
Fuel type	Coal
Fuel capacity	15 Tons of Coal 10,000 Gallons of Water.
Braking	Westinghouse
Performance figures
Tractive effort	47,945 Lbs. TE.
Service information
Entered service	May 1911
Running numbers	Oregon Short Line #1105 Union Pacific #2005 (1915 renumbering)
Liveries	All black with Graphite grey rods, Smokebox and Firebox, Aluminum painted lettering/numbering with Red valve handles.
Disposition details
Retired	October 1958
Disposition	On Display in the City of Pocatello, Idaho in Ross Park.

Union Pacific No. 2005 is a preserved class MK-1 2-8-2 built by Baldwin in 1911 for the Oregon Short Line Railroad Co. as #1105.

It was built by the Baldwin Locomotive Works as part of the second order of 57" drivered Lightweight Mikado's for freight service on the Oregon Short Line Railroad Co. as their #1105, a Coal burner. The locomotive was rebuilt the next year with a Schmidt superheater as all others of the class were. Sometime later it was renumbered to #2005 in 1915 and was sold to the Union Pacific in 1936. The first of the group left the Roster in 1947 although most lasted well into the 1950's. The #2005 was last used in the early 1950's prior to being held into Storage.

In October 1958, it was retired and it was Donated to the City of Pocatello where it placed on static display at the Ross Park in Pocatello, ID.

Trivia

• In 1936, it was sold to the Union Pacific Railroad as UP #2005.
• The locomotive was built with a Duplex Mechanical Stoker, a great choice for firing the locomotive.
  1. 2005 is currently the only surviving Union Pacific Mk-1 in existence as all other members were Scrapped by 1960.

Preserved Union Pacific Locomotives
UP Class 700	No. 737
UP Class C-2	No. 237 • No. 264 • No. 561 • No. 616 • No. 618 • No. 6051 • No. 6237
UP Class C-57	No. 407 • No. 421 • No. 428 • No. 437 • No. 460 • No. 477 • No. 480 • No. 481 • No. 485
UP Class MK-1	No. 2005
UP Class MK-7	No. 2537
UP Class MK-9	No. 2295
UP Class MK-10	No. 2564
UP Class T-57	No. 1242 • No. 1243
UP Class P-1	No. 3206
UP Class P-2	No. 3203
UP Class TTT-6	No. 5511
UP Class S-4	No. 4420
UP Class S-5	No. 4436 • No. 4439 • No. 4442
UP Class S-6	No. 4455 • No. 4466
UP Class FEF-1	No. 814
UP Class FEF-2	No. 833
UP Class FEF-3	No. 838 • No. 844
UP Class 9000	No. 9000
UP Heavy Challengers	No. 3977 • No. 3985
UP Big Boys	No. 4004 • No. 4005 • No. 4006 • No. 4012 • No. 4014 • No. 4017 • No. 4018 • No. 4023