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| designer = Otto Jabelmann | designer = Otto Jabelmann
| builder = ] (ALCO) | builder = ] (ALCO)
| serialnumber = | serialnumber = 69777
| builddate = 1942 | builddate = 1942
| totalproduction = | totalproduction =
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Union Pacific 3967 was constructed in 1942 by the ] and it was delivered to the ].<ref name=":0" /> Union Pacific 3967 was constructed in 1942 by the ] and it was delivered to the ].<ref name=":0" />


The Engine became popular when it became the first Union Pacific Excursion Star, after it pulled an excursion for the Rocky Mountain Railroad Club from ] to ] on May 17, 1953.<ref>{{Harvp|Wright|1942|p=413}}</ref><ref name=":1">{{Cite web |title=Union Pacific's 40th Anniversary Steam Excursion DVD |url=https://www.pentrex.com/DVD-Union-Pacifics-40th-Anniversary-Steam-Excursion-DVD_UP3967-DVD |archive-url=https://web.archive.org/web/20170511201250/https://www.pentrex.com/DVD-Union-Pacifics-40th-Anniversary-Steam-Excursion-DVD_UP3967-DVD |archive-date=May 11, 2017 |access-date=June 14, 2019 |publisher=Pentrex}}</ref><ref>{{Harvp|Welsh|2008|p=156}}</ref> The engine became popular when it became the first Union Pacific Excursion Star, after it pulled an excursion for the Rocky Mountain Railroad Club from ] to ] on May 17, 1953.<ref>{{Harvp|Wright|1942|p=413}}</ref><ref name=":1">{{Cite web |title=Union Pacific's 40th Anniversary Steam Excursion DVD |url=https://www.pentrex.com/DVD-Union-Pacifics-40th-Anniversary-Steam-Excursion-DVD_UP3967-DVD |archive-url=https://web.archive.org/web/20170511201250/https://www.pentrex.com/DVD-Union-Pacifics-40th-Anniversary-Steam-Excursion-DVD_UP3967-DVD |archive-date=May 11, 2017 |access-date=June 14, 2019 |publisher=Pentrex}}</ref><ref>{{Harvp|Welsh|2008|p=156}}</ref>


In May of 1993, ] had masqueraded as #3967 as part of the 40th anniversary of the Rocky Mountain Railroad Club excursion, in which the original 3967 pulled the same excursion on May 17, 1953.<ref>{{Cite web |title=Union Pacific # 3985 OR # 3967 ? |url=https://trainfanatics.com/union-pacific-3985-3967/ |access-date=2023-09-20 |website=Train Fanatics |language=en-US}}</ref><ref name=":1" /> In May of 1993, ] had masqueraded as #3967 as part of the 40th anniversary of the Rocky Mountain Railroad Club excursion, in which the original 3967 pulled the same excursion on May 17, 1953.<ref>{{Cite web |title=Union Pacific # 3985 OR # 3967 ? |url=https://trainfanatics.com/union-pacific-3985-3967/ |access-date=2023-09-20 |website=Train Fanatics |language=en-US}}</ref><ref name=":1" />

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American locomotive
Union Pacific 3967
Type and origin
Power typeSteam
DesignerOtto Jabelmann
BuilderAmerican Locomotive Company (ALCO)
Serial number69777
Build date1942
Specifications
Configuration:
​
 • Whyte4-6-6-4
 • UIC(2′C)C2′ h4g
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.69 in (1,753 mm)
Wheelbase60 ft 4+1⁄2 in (18.402 m) Engine
121 ft 10+7⁄8 in (37.157 m) Engine + tender
Adhesive weight403,700 lb (183,115 kg)
Loco weight627,000 lb (284,000 kg)
Tender weight436,500 lb (198,000 kg)
Total weight1,063,500 lb (482,400 kg)
Fuel typeCoal, oil
Fuel capacity32 short tons (29 t; 29 long tons)
Water cap.25,000 US gal (95,000 L; 21,000 imp gal)
Firebox:​
 • Grate area132 sq ft (12 m)
Boiler94 in (2,400 mm)
Boiler pressure280 lbf/in (1.93 MPa)
Heating surface:​
 • Firebox602 sq ft (55.9 m)
 • Tubes527 sq ft (49.0 m)
 • Flues3,687 sq ft (342.5 m)
 • Total surface4,795 sq ft (445.5 m)
Superheater:
​
 • Heating area2,162 sq ft (200.9 m)
CylindersFour
Cylinder size21 in × 32 in (533 mm × 813 mm)
Performance figures
Maximum speed70 mph (110 km/h)
Tractive effort97,352 lbf (433.04 kN)
Factor of adh.4.15
Career
OperatorsUnion Pacific Railroad
Class4664-3
Last runMay 17, 1953
DispositionScrapped

Union Pacific 3967 was a 4-6-6-4 Challenger built by the American Locomotive Company in 1942 for the Union Pacific Railroad.

History

Union Pacific 3967 was constructed in 1942 by the American Locomotive Company and it was delivered to the Union Pacific Railroad.

The engine became popular when it became the first Union Pacific Excursion Star, after it pulled an excursion for the Rocky Mountain Railroad Club from Denver, Colorado to Laramie, Wyoming on May 17, 1953.

In May of 1993, Union Pacific Heavy Challenger #3985 had masqueraded as #3967 as part of the 40th anniversary of the Rocky Mountain Railroad Club excursion, in which the original 3967 pulled the same excursion on May 17, 1953.

See also

References

  1. ^ Solomon (2014), p. 130
  2. Wright (1942), p. 413
  3. ^ "Union Pacific's 40th Anniversary Steam Excursion DVD". Pentrex. Archived from the original on May 11, 2017. Retrieved June 14, 2019.
  4. Welsh (2008), p. 156
  5. "Union Pacific # 3985 OR # 3967 ?". Train Fanatics. Retrieved 2023-09-20.

Sources

Further reading


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