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South African class 7E to 7E4

Spoornet E7095 in October 2015 at Beaufort West

At the end of the seventies, the SAR had the 50c/s Group develop the class 7E for the lines newly electrified with 25 kV alternating current. This consortium consisted of companies from Belgium, Germany, France and Sw...

	South African class 7E to 7E4 Remove
Variant	7E 7E 7E1 7E2 7E3
Built	1978-1979
Manufacturers	50 c/s Group;Union Carriage & Wagon;Hitachi;Dorbyl;Transwerk
Wheel arrangement	CoCo
Gauge
Length	18470 mm
Service mass	123500 kg
Top speed	100 km/h
Power	3240 kW
Engine

General

Property	South African class 7E to 7E4 7E 7E 7E1 7E2 7E3 Remove
Built	1978-1979
Manufacturers	50 c/s Group, Union Carriage & Wagon, Hitachi, Dorbyl, Transwerk
Wheel arrangement	C-C

Dimensions and weights

Property	South African class 7E to 7E4 7E 7E 7E1 7E2 7E3 Remove
Length	18.47 m
Wheelbase	13.80 m
Service mass	123.5 t
Adhesion mass	123.5 t
Rigid wheelbase	4.40 m
Axle load	21 t

Power

Property	South African class 7E to 7E4 7E 7E 7E1 7E2 7E3 Remove
Power source	electric - AC
Hourly power	3,240 kW (4,405 PS)
Continuous power	3,000 kW (4,079 PS)
Top speed	100 km/h
Starting effort	450.0 kN

Calculated values

Property	South African class 7E to 7E4 7E 7E 7E1 7E2 7E3 Remove
Factor of adhesion	1 : 2.69
Power-to-weight ratio	26.2 kW/t
Adhesive weight/Total	1 : 1.00

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