The Santa Fe class 3450 consisted of ten 4-6-4 "Hudson" type steam locomotives built by the Baldwin Locomotive Works in 1927. Built as coal-burners, they were later converted to oil-burning during the 1930s. At the same time, the locomotives were given 79-inch (2,007 mm) driving wheels instead of their original 73-inch (1,854 mm), and the boiler pressures increased from 220 to 230 lbf/in2 (1.52 to 1.59 MPa). Combined, these changes reduced the starting tractive effort from 44,250 to 43,300 lbf (196.8 to 192.6 kN), but increased the top speed and efficiency. Their early service was in the Midwest, between Chicago and Colorado; later, some were assigned to service in the San Joaquin Valley of California between Bakersfield and Oakland.
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| - ATSF-Klasse 3450 (de)
- Santa Fe class 3450 (en)
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| - Die Klasse 3450 der Atchison, Topeka and Santa Fe Railway umfasste zehn Dampflokomotiven der Achsfolge 2'C2', die 1927 bei Baldwin Locomotive Works gebaut wurden. Ursprünglich wurden sie mit Kohle befeuert, in den 1930er Jahren jedoch auf Ölfeuerung umgestellt. Zur selben Zeit wurden der Durchmesser der Treibräder von 73 auf 79 Inches und der Kesseldruck um 10 lb/in² auf 230 lb/in² erhöht. Diese Änderungen bewirkten eine Verringerung der Anfahrzugkraft von 44.250 lb auf 43.300 lb, erhöhten aber im Gegenzug die Höchstgeschwindigkeit und die Effizienz. Ihr ursprüngliches Einsatzgebiet war der Mittlere Westen zwischen Chicago und Colorado. Später wurden einige in das San Joaquin Valley zwischen Bakersfield und Oakland verlegt. (de)
- The Santa Fe class 3450 consisted of ten 4-6-4 "Hudson" type steam locomotives built by the Baldwin Locomotive Works in 1927. Built as coal-burners, they were later converted to oil-burning during the 1930s. At the same time, the locomotives were given 79-inch (2,007 mm) driving wheels instead of their original 73-inch (1,854 mm), and the boiler pressures increased from 220 to 230 lbf/in2 (1.52 to 1.59 MPa). Combined, these changes reduced the starting tractive effort from 44,250 to 43,300 lbf (196.8 to 192.6 kN), but increased the top speed and efficiency. Their early service was in the Midwest, between Chicago and Colorado; later, some were assigned to service in the San Joaquin Valley of California between Bakersfield and Oakland. (en)
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- ATSF 3450 class (en)
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| - ATSF No. 3450 on static display at the RailGiants Train Museum (en)
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| - Die Klasse 3450 der Atchison, Topeka and Santa Fe Railway umfasste zehn Dampflokomotiven der Achsfolge 2'C2', die 1927 bei Baldwin Locomotive Works gebaut wurden. Ursprünglich wurden sie mit Kohle befeuert, in den 1930er Jahren jedoch auf Ölfeuerung umgestellt. Zur selben Zeit wurden der Durchmesser der Treibräder von 73 auf 79 Inches und der Kesseldruck um 10 lb/in² auf 230 lb/in² erhöht. Diese Änderungen bewirkten eine Verringerung der Anfahrzugkraft von 44.250 lb auf 43.300 lb, erhöhten aber im Gegenzug die Höchstgeschwindigkeit und die Effizienz. Ihr ursprüngliches Einsatzgebiet war der Mittlere Westen zwischen Chicago und Colorado. Später wurden einige in das San Joaquin Valley zwischen Bakersfield und Oakland verlegt. Sie waren kleiner und weniger stark als die später hinzugekommenen Lokomotiven der Reihe 3460, konnten jedoch eine ähnlich hohe Geschwindigkeit erreichen. Die erste gebaute Lokomotive, die Nummer 3450, wurde 1955 dem südkalifornischen Verband der Railway and Locomotive Historical Society gespendet und ist in deren Museum auf den Los Angeles County Fairgrounds in Pomona (Kalifornien) stationiert. Das Fahrzeug befindet sich nicht im betriebsfähigen Zustand, ist jedoch äußerlich gut erhalten und ausgestellt. (de)
- The Santa Fe class 3450 consisted of ten 4-6-4 "Hudson" type steam locomotives built by the Baldwin Locomotive Works in 1927. Built as coal-burners, they were later converted to oil-burning during the 1930s. At the same time, the locomotives were given 79-inch (2,007 mm) driving wheels instead of their original 73-inch (1,854 mm), and the boiler pressures increased from 220 to 230 lbf/in2 (1.52 to 1.59 MPa). Combined, these changes reduced the starting tractive effort from 44,250 to 43,300 lbf (196.8 to 192.6 kN), but increased the top speed and efficiency. Their early service was in the Midwest, between Chicago and Colorado; later, some were assigned to service in the San Joaquin Valley of California between Bakersfield and Oakland. They were smaller and less powerful locomotives than the later 3460 class "Hudson" type, but were capable of equivalently high speeds. The first locomotive built, No. 3450, was donated by the Santa Fe in 1955 to the Railway & Locomotive Historical Society's Southern California chapter, and is preserved at the Society's museum in the Los Angeles County Fair grounds at Pomona, California. The locomotive sits inside the RailGiants Train Museum. It is not operational, but preserved in good condition as a static exhibit. It received a cosmetic restoration between 2013-2021. (en)
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| - No. 3450 on display at the RailGiants Train Museum in Pomona, California (en)
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| - One preserved, remainder scrapped (en)
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