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Great Northern (US) class Z-1
United States | 1926
10 produced
Two Z-1s houble-headed with a freight train
Two Z-1s houble-headed with a freight train
Railway and locomotive engineering, February 1927
General
Built1926-1928
Manufacturermechanical part: Baldwin, electrical part: Westinghouse
Axle config1-D-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length47 ft 2 in
Service weight371,100 lbs
Adhesive weight284,800 lbs
Axle load71,200 lbs
Boiler
Power Plant
Power
Power sourceelectric - AC
Electric system11,000 V 25 Hz
Continuous power1,824 hp (1,360 kW)
Top speed45 mph
Starting effort71,040 lbf
Calculated Values
electric locomotive
freight
passenger
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