Soo Line 2718
Soo Line 2178 on display at the National Railroad Museum, next to Santa Fe 5017
Type and origin
Power typeSteam
BuilderAmerican Locomotive Company
Serial number64313
ModelH-23
Build dateMay 1923
Total produced6
Specifications
Configuration:
​
 • Whyte4-6-2
 • UIC2′C1′ h2
Gauge4 ft 8+1⁄2 in (1,435 mm)
Leading dia.36 in (914 mm)
Driver dia.75 in (1,905 mm)
Trailing dia.50 in (1,270 mm)
Wheelbase31 ft 10 in (9.70 m)
LengthLoco only: 46 ft 7+1⁄2 in (14.21 m);
Loco & tender: 82 ft 6+3⁄4 in (25.17 m)
Width10 ft 5 in (3.18 m)
Height15 ft 3+1⁄2 in (4.66 m)
Adhesive weight172,400 lb (78.2 tonnes)
Loco weight281,080 lb (127.5 tonnes)
Total weight497,080 lb (225.5 tonnes)
Fuel typeCoal
Fuel capacity35,000 lb (15.9 tonnes)
Water cap.12,000 US gal (45,000 L; 10,000 imp gal)
Firebox:​
 • Grate area52.75 sq ft (4.901 m2)
Boiler pressure200 lbf/in2 (1.38 MPa)
Feedwater heaterWorthington SCA-2A
Heating surface4,639 sq ft (431.0 m2) ​
 • Flues3,172 sq ft (294.7 m2)
 • Firebox207 sq ft (19.2 m2)
Superheater:
​
 • Heating area1,260 sq ft (117 m2)
CylindersTwo
Cylinder size25 in × 26 in (635 mm × 660 mm)
Valve gearWalschaerts
Valve typePiston valves
Performance figures
Tractive effort36,833 lbf (163.84 kN)
Factor of adh.4.68
Career
OperatorsMinneapolis, St. Paul and Sault Ste. Marie Railroad (“Soo Line”)
ClassH-23
Number in class1st of 6
Numbers2718-2723
LocaleWisconsin & Minnesota
DeliveredMay 1923
Retired1958
PreservedFebruary 1958
Current ownerNational Railroad Museum
DispositionOn static display, based in Green Bay, Wisconsin

Soo Line 2718 is a H-23 class 4-6-2 Pacific steam locomotive that was originally owned by the Minneapolis, St. Paul and Sault Ste. Marie Railway (the "Soo Line"), but operated by their subsidiary, the Wisconsin Central Railway.

History

2718 was built in May, 1923 in Schenectady, New York. It was one of six H-23 class Pacific steam locomotives built for the Soo Line.[1] In the Soo Line's naming scheme, 'H' indicated the Pacific wheel arrangement.[1] The H-23 were their last Pacific class built.

2718 was donated to the National Railroad Museum in February 1958. The museum used it for a few years to move cars around the grounds. It also saw limited service pulling the museum train.

Other H-23 class locomotives

There were six H-23 class locomotives built in May 1923. One of them is on display.

  • 2719 - Preserved at Lake Superior Museum in Duluth, Minnesota
  • 2720 - Scrapped at United States Steel, July 19, 1951
  • 2721 - Scrapped at Purdy Company, November 13, 1950
  • 2722 - Scrapped at American Iron & Supply, December 28, 1954
  • 2723 - Scrapped at Purdy Company, November 13, 1950

Footnotes

References

Suprey, Leslie V. (1962). Steam trains of the Soo. B & W Printers & Publishers. ISBN 978-1-1121-2962-9.

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