Roco 7500135 HO Electric locomotive 121 046-7, CD , DC Analog RECSES_2026-3-17_CUR_910 ADVANCED TECHNOLOGY DESIGNgranted Circuitron a

ADVANCED TECHNOLOGY DESIGNgranted Circuitron a US Patent

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Roco 7500135 HO Electric locomotive 121 046-7, CD , DC Analog RECSES_2026-3-17_CUR_910 ADVANCED TECHNOLOGY DESIGNgranted Circuitron aElectric locomotive 121 046 of the Czech State Railways. Version with wide yellow stripe Pantograph with an innovative fastening Filigree design of the bogies and the spoked wheels Fine metal wheels with low wheel flanges At the beginning of the 1960s, the former Czechoslovak State Railways (CSD) needed new, powerful electric goods locomotives for the 3 kV DC system in the north and east of the country. As a prototype, a locomotive from the E 499. 1