Union Pacific 3967: Difference between revisions

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	}}'''Union Pacific 3967''' was a ] Challenger Built by the ] in 1942 for the ]. 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 ].<ref>{{Harvp\|Wright\|1942\|p=413}}</ref>		}}'''Union Pacific 3967''' was a ] Challenger Built by the ] in 1942 for the ]. 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 ].<ref>{{Harvp\|Wright\|1942\|p=413}}</ref>

			== References ==
			<references />

	== Further reading ==		== Further reading ==

Revision as of 22:21, 18 September 2023

Union Pacific 3967

Type and origin
Power type	Steam
Designer	Otto Jabelmann
Builder	American Locomotive Company (ALCO)
Build date	1942

Specifications
Configuration:
• Whyte	4-6-6-4
• UIC	(2′C)C2′ h4g
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.	69 in (1,753 mm)
Wheelbase	60 ft 4+1⁄2 in (18.402 m) Engine 121 ft 10+7⁄8 in (37.157 m) Engine + tender
Adhesive weight	403,700 lb (183,115 kg)
Loco weight	627,000 lb (284,000 kg)
Tender weight	436,500 lb (198,000 kg)
Total weight	1,063,500 lb (482,400 kg)
Fuel type	Coal, oil
Fuel capacity	32 short tons (29 t; 29 long tons)
Water cap.	25,000 US gal (95,000 L; 21,000 imp gal)
Firebox:
• Grate area	132 sq ft (12 m)
Boiler	94 in (2,400 mm)
Boiler pressure	280 lbf/in (1.93 MPa)
Heating surface:
• Firebox	602 sq ft (55.9 m)
• Tubes	527 sq ft (49.0 m)
• Flues	3,687 sq ft (342.5 m)
• Total surface	4,795 sq ft (445.5 m)
Superheater:
• Heating area	2,162 sq ft (200.9 m)
Cylinders	Four
Cylinder size	21 in × 32 in (533 mm × 813 mm)

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