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Swiss Federal Railways Ae 3/5
Switzerland | 1922 | 26 produced
View of No. 10205 in the SLM data sheet
View of No. 10205 in the SLM data sheet
SBB Historic

As one of three types of flatland universal locomotives, the SBB introduced the Ae 3/5 built by the SLM from 1922 onwards. Since the electrical part came from SAAS, it was nicknamed “little Sécheron”. The power came from a twin motor per axle. With only five axles in total, it had a better power-to-weight ratio than its six-axle competitors, but poorer running characteristics at higher speeds.

Since the express trains tended to be pulled by six-axle machines, the Ae 3/5 was primarily used in regional traffic. In the 1960s, nine locomotives were converted for use with car trains. The first retirements due to wear and tear took place in the late 1960s. However, the majority of the locomotives were retired between 1979 and 1983.

General
Built1922-1925
ManufacturerSLM, SAAS
Axle config1-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length40 ft 1 1/2 in
Wheelbase30 ft 6 1/8 in
Service weight178,574 lbs
Adhesive weight123,459 lbs
Axle load41,154 lbs
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 effort17,085 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 10/2023
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