PRR FF1
The Pennsylvania Railroad's class FF1 was an American electric locomotive, a prototype numbered #3931 and nicknamed "Big Liz". It was built in 1917 to haul freight trains across the Allegheny Mountains where the PRR planned to electrify. "Big Liz" proved workable but too powerful for the freight cars of the time with its 4600 available horsepower and astonishing 140,000 lbf (620 kN) of tractive effort. Pulling the train it regularly snapped couplers and when moved to the rear as a pusher its force was sufficient to pop cars in the middle of the train off the tracks.
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PRR FF1
The Pennsylvania Railroad's class FF1 was an American electric locomotive, a prototype numbered #3931 and nicknamed "Big Liz". It was built in 1917 to haul freight trains across the Allegheny Mountains where the PRR planned to electrify. "Big Liz" proved workable but too powerful for the freight cars of the time with its 4600 available horsepower and astonishing 140,000 lbf (620 kN) of tractive effort. Pulling the train it regularly snapped couplers and when moved to the rear as a pusher its force was sufficient to pop cars in the middle of the train off the tracks.
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Die PRR FF1 war eine Elektrolo ...... m sie eine Sonderstellung ein.
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The Pennsylvania Railroad's cl ...... eing cut up for scrap in 1940.
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2.31648e+1
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737,218,263
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electricsystem
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tractionmotors
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Rotary converter supplied 25Hz ...... rough Jackshafts and side rods
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Die PRR FF1 war eine Elektrolo ...... m sie eine Sonderstellung ein.
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The Pennsylvania Railroad's cl ...... e of the train off the tracks.
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PRR FF1
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PRR-Klasse FF1
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PRR FF1
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