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- The Pennsylvania Railroad's K4 4-6-2 "Pacific" (425 built 1914–1928, PRR Altoona, Baldwin) was its premier passenger-hauling steam locomotive from 1914 through the end of steam on the PRR in 1957. Attempts were made to replace the K4s, including the K5 and the T1 duplex locomotive, but neither was very successful. The K4s hauled the vast majority of express passenger trains until they were replaced by diesel locomotives. The K4s were not powerful enough for the heavier trains they often pulled from the mid-1930s onward, so they were often double- or even triple-headed, sometimes with atlantic class locomotives. This was effective, but expensive, and several crews were needed. The PRR did have the extra locomotives, many having been displaced by electrification east of Harrisburg. The two preserved K4s Nos. 1361 and 3750 were designated as Pennsylvania's official state steam locomotives on December 18, 1987, when Pennsylvania Governor Robert P. Casey signed into law House Bill No. 1211. (en)
- K4s形は、1914年から1928年まで生産された、ペンシルバニア鉄道(PRR)の旅客用蒸気機関車である。車軸配置は4-6-2のパシフィック。アルトゥーナの自社工場とボールドウィンにより、合計425両が製造された。 K4sを代替する目的でK5形やT1形が製造されたがどれも大きく成功せず、PRRの蒸気時代の終焉の1957年まで使用され、ディーゼル機関車が登場するまで旅客列車を牽引した。K4s形は充分強力ではなかったので時折重連や三重連で運転されたが、この方法は乗員が複数必要で経済性が悪かった。PRRは幹線の電化によって解決した。PRRは世界標準の鉄道として度々扱われ、K4s形もまた世界標準の機関車と目された。 (ja)
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- 2 (xsd:nonNegativeInteger)
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- 425 (xsd:nonNegativeInteger)
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- 17588 (xsd:nonNegativeInteger)
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- PRR Juniata Shops , Baldwin Locomotive Works (en)
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- Two preserved, remainder scrapped (en)
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- Pennsylvania Railroad K4 class (en)
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- The article needs its information reclarified (en)
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- K4s形は、1914年から1928年まで生産された、ペンシルバニア鉄道(PRR)の旅客用蒸気機関車である。車軸配置は4-6-2のパシフィック。アルトゥーナの自社工場とボールドウィンにより、合計425両が製造された。 K4sを代替する目的でK5形やT1形が製造されたがどれも大きく成功せず、PRRの蒸気時代の終焉の1957年まで使用され、ディーゼル機関車が登場するまで旅客列車を牽引した。K4s形は充分強力ではなかったので時折重連や三重連で運転されたが、この方法は乗員が複数必要で経済性が悪かった。PRRは幹線の電化によって解決した。PRRは世界標準の鉄道として度々扱われ、K4s形もまた世界標準の機関車と目された。 (ja)
- The Pennsylvania Railroad's K4 4-6-2 "Pacific" (425 built 1914–1928, PRR Altoona, Baldwin) was its premier passenger-hauling steam locomotive from 1914 through the end of steam on the PRR in 1957. Attempts were made to replace the K4s, including the K5 and the T1 duplex locomotive, but neither was very successful. The K4s hauled the vast majority of express passenger trains until they were replaced by diesel locomotives. The K4s were not powerful enough for the heavier trains they often pulled from the mid-1930s onward, so they were often double- or even triple-headed, sometimes with atlantic class locomotives. This was effective, but expensive, and several crews were needed. The PRR did have the extra locomotives, many having been displaced by electrification east of Harrisburg. (en)
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- ペンシルバニア鉄道K4s形蒸気機関車 (ja)
- Pennsylvania Railroad K4 class (en)
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- Pennsylvania Railroad K4 class (en)
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