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Swiss Federal Railways Ae 3/6III
Switzerland | 1925
11 produced
No. 10262 on an old photo
No. 10262 on an old photo
SBB Historic

As the Ae 3/5 designed for the newly electrified flat lines of the SBB had insufficient running characteristics in curves, a locomotive called Ae 3/6III was built in 1925 that was intended to solve this problem. By changing the Bissel axle on one end of the locomotive against a two-axle bogie, both the wheelbase and the guidance in curves were to be improved. Since the Ae 3/5 was called “small Sécheron”, the Ae 3/6III got the nickname “medium Sécheron”.

The electric part made by Sécheron was virtually identical to that of its predecessor. This means that they had the same 1,365 kW hourly output and the same Westinghouse quill drive. Apart from this, the changes in the chassis didn't bring the desired effect and the top speed was still limited to 90 km/h. Nevertheless, ten more have been built in 1925 and 1926. They were retired between 1968 and 1980 and today, 10264 is being preserved in an operational state by SBB historic.

General
Built1925-1926
ManufacturerSLM, SAAS
Axle config2-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length45 ft 1 3/4 in
Service weight196,211 lbs
Adhesive weight121,254 lbs
Axle load40,345 lbs
Boiler
Power Plant
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Hourly power1,830 hp (1,365 kW)
Continuous power1,609 hp (1,200 kW)
Top speed56 mph
Starting effort30,799 lbf
Calculated Values
electric locomotive
passenger
freight
last changed: 09/2024
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