page_title: South African Class 17E
section_title: Bogies
hierarchical_section_title: South African Class 17E / Characteristics / Bogies
caption_attribution_description: English: Bogie detail on Class 6E1 Series 4 no. E1466Location: Bayhead Depot, Durban, Kwa-Zulu Natal
context_page_description: The Spoornet Class 17E of 1993 was a South African electric locomotive.
  During 1993 and 1994, Spoornet modified several Class 6E1, Series 7, 8 and 9 locomotives to improve their braking and traction reliability for service on the Natal mainline. These modified locomotives were reclassified to Class 17E.
context_section_description: The Class 6E1 was built with sophisticated traction linkages on their bogies. Together with the locomotive's electronic wheel-slip detection system, these traction struts, mounted between the linkages on the bogies and the locomotive body and colloquially referred to as grasshopper legs, ensured the maximum transfer of power to the rails without causing wheel-slip by reducing the adhesion of the leading bogie and increasing that of the trailing bogie by as much as 15% upon starting. This feature was controlled by electronic wheel-slip detection devices and an electric weight transfer relay which reduced the anchor current to the leading bogie by as much as 50A in notches 2 to 16.
caption: Class 6E1 Series 2 to 11 bogies
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