Korean National Railroad Pureo3 class (푸러3) Korean State Railway Purŏsŏ class (부러서) | |
| Powertype: | Steam |
| Builder: | Borsig |
| Builddate: | 1911–1912 |
| Totalproduction: | 14 |
| Whytetype: | 2-6-2T |
| Driverdiameter: | 1370mm |
| Length: | 10338mm |
| Width: | 3000mm |
| Height: | 3880mm |
| Weightondrivers: | 37t |
| Locoweight: | 52t |
| Fuelcap: | 1.25t |
| Watercap: | 5900L |
| Smalltubediameter: | 177 x 51mm |
| Boilerpressure: | 11.5kgf/cm2 |
| Firearea: | 1.69m2 |
| Tubearea: | 89.6m2 |
| Fireboxarea: | 9.5m2 |
| Totalsurface: | 99.1m2 |
| Cylindercount: | 1 |
| Cylindersize: | 410mm610mm |
| Valvegear: | Walschaerts |
| Maxspeed: | 75km/h |
| Tractiveeffort: | 72.1kN |
| Operator: | Chosen Government Railway Korean National Railroad Korean State Railway |
| Operatorclass: | Sentetsu: プレサ KNR: 푸러3 KSR: 부러서 |
| Numinclass: | Sentetsu: 14 |
| Fleetnumbers: | Sentetsu: プレサ1–プレサ14 |
| Deliverydate: | 1911–1912 |
The Puresa-class (プレサ) locomotives were a group of steam tank locomotives with 2-6-2 wheel arrangement of used by the Chosen Government Railway (Sentetsu) in Korea. The "Pure" name came from the American naming system for steam locomotives, under which locomotives with 2-6-2 wheel arrangement were called "Prairie".[1]
In all, Sentetsu owned 227 locomotives of all Pure classes, whilst privately owned railways owned another 52; of these 279 locomotives, 169 went to the Korean National Railroad in South Korea and 110 to the Korean State Railway in North Korea.[2]
The Puresa class was a group of 14 locomotives built in 1911 and 1912 by the Borsig works of Germany.[3] The first nine were delivered in 1911, and the last five in 1912.[4] They were larger than the preceding Purei- and Pureni-classes, with greater coal and water capacity, and were the first locomotives in Korea with Walschaerts valve gear. Like the previous types, they were delivered in knockdown form, and assembled at Sentetsu's shops in Busan.[5]
After the liberation and partition of Korea, they were divided between North and South, but the specifics of which engine went where are unclear; those going to the Korean National Railroad in the South would be designated 푸러3 (Pureo3) class, those with the Korean State Railway in the North would be designated 부러서 (Purŏsŏ) class.
| Sentetsu running number | Postwar | ||||||
|---|---|---|---|---|---|---|---|
| 1911–1938 | 1938–1945 | Owner | Number | Builder | Year | Notes | |
| プレ281 | プレサ1 | ? | ? | Borsig | 1911 | ||
| プレ282 | プレサ2 | ? | ? | Borsig | 1911 | ||
| プレ283 | プレサ3 | ? | ? | Borsig | 1911 | ||
| プレ284 | プレサ4 | ? | ? | Borsig | 1911 | ||
| プレ285 | プレサ5 | ? | ? | Borsig | 1911 | ||
| プレ286 | プレサ6 | ? | ? | Borsig | 1911 | ||
| プレ287 | プレサ7 | ? | ? | Borsig | 1911 | ||
| プレ288 | プレサ8 | ? | ? | Borsig | 1911 | ||
| プレ289 | プレサ9 | ? | ? | Borsig | 1911 | ||
| プレ290 | プレサ10 | ? | ? | Borsig | 1912 | ||
| プレ291 | プレサ11 | ? | ? | Borsig | 1912 | ||
| プレ292 | プレサ12 | ? | ? | Borsig | 1912 | ||
| プレ293 | プレサ13 | ? | ? | Borsig | 1912 | ||
| プレ294 | プレサ14 | ? | ? | Borsig | 1912 | ||