USATC S200 Class
No. 46224 at TCDD Open Air Steam Locomotive Museum, Ankara, Turkey
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| Type and origin | |
|---|---|
| Power type | Steam |
| Builder |
American Locomotive Company (60), Baldwin Locomotive Works (70), Lima Locomotive Works (70) |
| Build date | 1942 |
| Total produced | 200 |
| Specifications | |
|---|---|
| Configuration: |
|
| • Whyte | 2-8-2 |
| • UIC | 1′D1′ h |
| Gauge | 4 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 curve | 21° (274.37 ft or 83.63 m) |
| Length | 68 ft 4 in (20.83 m) |
| Adhesive weight | 143,000 lb (65,000 kg) |
| Loco weight | 200,000 lb (91,000 kg) |
| Tender weight | 123,000 lb (56,000 kg) |
| Fuel type | Coal or Oil |
| Fuel capacity | 18,000 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: • Firegrate area |
47 sq ft (4.4 m2) |
| Boiler pressure | 200 psi (1.38 MPa) |
| Heating surface | 2,164 sq ft (201.0 m2) |
| • Tubes and flues | 1,985 sq ft (184.4 m2) |
| • Firebox | 179 sq ft (16.6 m2) |
| Superheater: |
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| • Heating area | 625 sq ft (58.1 m2) |
| Cylinders | Two, outside |
| Cylinder size | 21 in × 28 in (533 mm × 711 mm) |
| Valve gear | Walschaerts |
| Valve type | 10-inch (254 mm) piston valves |
| Performance figures | |
|---|---|
| Tractive effort | 35,000 lbf (155.7 kN) |
| Factor of adh. | 4.08 |
| Career | |
|---|---|
| Operators | USATC; War Department; TCDD; China Railway |
| Numbers | USATC & WD: 1000–1199 |
| Locale | Middle East, Iran, Iraq, Turkey, Italy, China |
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.
At least 85 S200s operated in the Middle East, including Egypt, Palestine and Lebanon. One was destroyed by fire at El Arish in Egypt in 1942. 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.
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.
Two of the Turkish locomotives survive: 46224 at Ankara and 46244 at the Çamlık Railway Museum.
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Wikipedia