12
| Type and origin | |
|---|---|
| Power type | Steam |
| Builder | American Locomotive Company |
| Build date | 1926–1930 |
| Total produced | 88 |
| Specifications | |
|---|---|
| Configuration: | |
| • Whyte | 4-12-2 |
| • UIC | 2′F1′ h3 |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Driver dia. | 67 in (1,702 mm) |
| Length | 102 ft 7 in (31.27 m) |
| Adhesive weight | 355,000 lb (161,025 kg; 161 t) |
| Total weight | 782,000 lb (354,709 kg; 355 t) |
| Fuel type | Coal |
| Fuel capacity | 42,000 lb (19,051 kg; 19 t) |
| Water cap | 18,000 US gallons (68,000 l; 15,000 imp gal) |
| Boiler pressure | 220 lbf/in2 (1.52 MPa) |
| Cylinders | Three |
| Cylinder size |
|
| Performance figures | |
|---|---|
| Tractive effort | 97,664 lbf (434.4 kN) |
| Factor of adh. | 3.63 |
| Career | |
|---|---|
| Operators | Union Pacific Railroad |
| Class | UP-1 through UP-5 |
| Numbers | 9000–9087 |
| Retired | 1953 - 1956 |
| Preserved | One preserved (No. 9000), remainder scrapped |
| Disposition | No. 9000 on static display at the RailGiants Train Museum |
| Progress | 100% complete |
| Tags |
tools/tracking
4600441
2
up-1-class-3-piston-4-12-2-steam-locomotive-1-5-1-scale
MindOfSocial
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