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Great Northern (US) class Y-1
Pennsylvania class FF2
United States | 1927 | 8 produced
No. 5011 in a photo from 1927
No. 5011 in a photo from 1927
General Electric
Variant5010-50115012-5017
General
Built1927-1930
Manufacturermechanical part: ALCO, electrical part: General Electric
Axle config1-C+C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Fixed wheelbase15 ft 4 in
Service weight518,250 lbs527,200 lbs
Adhesive weight410,000 lbs
Axle load68,333 lbs
Power
Power sourceelectric - AC
Electric system11,000 V 25 Hz
Hourly power3,300 hp (2,461 kW)
Continuous power3,000 hp (2,237 kW)
Top speed55 mph
Starting effort102,900 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
freight
passenger
last changed: 10 2023
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