Transnet Freight Rail : Class 23E 

The TRAXX Africa F100 MS TFR Class 23E Locomotive is a Co-Co, electrical, multi system freight locomotive designed to operate under 3 kV DC and 25 kV AC catenary voltages on 3 ft 6 in (1,067 mm) Cape gauge track.
The acquisition of the Class 23E forms part of the largest-ever locomotive supply contract in South African history and the single-biggest investment initiative by a South African corporation. It consists of contracts for the construction of 1,064 locomotives by four global original equipment manufacturers
Maximum speed : 100 km/h
Tractive effort : 3800 kW
Dual 3 kV DC & 25 kV AC/50 Hz catenary
Video Credits : Marnaud Nel.