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USATC S200 Class

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USATC S200
No. 46224 at TCDD Open Air Steam Locomotive Museum, Ankara, Turkey
Type and origin
Power typeSteam
BuilderAmerican Locomotive Company (60),
Baldwin Locomotive Works (70),
Lima Locomotive Works (70)
Build date1942
Total produced200
Specifications
Configuration:
​
 • Whyte2-8-2
 • UIC1′D1′ h2
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.30 in (0.762 m)
Driver dia.60 in (1.524 m)
Trailing dia.42 in (1.067 m)
Minimum curve21° (274.37 ft or 83.63 m)
Length68 ft 4 in (20.83 m)
Adhesive weight143,000 lb (65,000 kg)
Loco weight200,000 lb (91,000 kg)
Tender weight123,000 lb (56,000 kg)
Fuel typeCoal or Oil
Fuel capacity18,000 lb (8,200 kg) coal or
2,500 US gallons (9,500 L; 2,100 imp gal) oil
Water cap.6,500 US gallons (25,000 L; 5,400 imp gal)
Firebox:​
 • Grate area47 sq ft (4.4 m2)
Boiler pressure200 psi (1.38 MPa)
Heating surface:​
 • Firebox179 sq ft (16.6 m2)
 • Tubes and flues1,985 sq ft (184.4 m2)
 • Total surface2,164 sq ft (201.0 m2)
Superheater:
​
 • Heating area625 sq ft (58.1 m2)
CylindersTwo, outside
Cylinder size21 in × 28 in (533 mm × 711 mm)
Valve gearWalschaerts
Valve type10-inch (254 mm) piston valves
Performance figures
Tractive effort35,000 lbf (155.7 kN)
Factor of adh.4.08
Career
OperatorsUSATC; War Department; TCDD; China Railway
NumbersUSATC & WD: 1000–1199
LocaleMiddle East, Iran, Iraq, Turkey, Italy, China
Sources:[1]

The United States Army Transportation Corps (USATC) S200 Class is a class of 2-8-2 steam locomotive. They were introduced in 1941 and lent-leased to the United Kingdom for use in the Middle East during World War II.

Service

Middle East

At least 85 S200s operated in the Middle East, including Egypt, Palestine and Lebanon.[2] One was destroyed by fire at El Arish in Egypt in 1942.[3] 29 of this batch was later supplied to Turkey where they became the TCDD 46201 Class. In 1946 another 24 were transferred to TCDD which added them to the same number series 46201–46253. 51 S200s built in 1942 served on the Trans-Iranian Railway, where they became Iranian class 42.[4]

Europe

After the Allied invasion of Italy 31 S200s were transferred and used there. 30 of these entered FS stock as FS Class 747 Nos. 747.001–747.030; the other one caught fire and was destroyed.

Asia

Thirty were donated to China by the UNRRA. China Railway designated these as class ㄇㄎ10 （MK10） in 1951, then reclassifying them as class 解放10 (JF10, Jiefang, "Liberation") and numbering them 3711−3740.[5]

Survivors

Two of the Turkish locomotives survive: 46224 at Ankara and 46244 at the Çamlık Railway Museum.

References

  1. ^ Tourret 1995, p. 201.
  2. ^ Hughes 1981, pp. 70, 133.
  3. ^ Cotterell 1984, p. 133.
  4. ^ Hughes 1981, p. 125.
  5. ^ 解放型蒸汽机车
  • Cotterell, Paul (1984). The Railways of Palestine and Israel. Tourret Publishing. pp. 28, 127. ISBN 0-905878-04-3.
  • Hughes, Hugh (1981). Middle East Railways. Continental Railway Circle. pp. 98, 116. ISBN 0-9503469-7-7.
  • Tourret, R. (1995). Allied Military Locomotives of the Second World War. Abingdon, Oxon: Tourret Publishing. pp. 201–207. ISBN 0-905878-06-X.
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