DB Class 155

DB Class 155
Martinsiebert at German Wikipedia · CC BY-SA 2.0 de · source
Name	DB Class 155
Powertype	Electric
Builder	AEG
Builddate	1970–1978
Totalproduction	170
Uicclass	Co-Co
Length	19.6 m
Electricsystem	15 kV AC
Collectionmethod	Pantograph

DB Class 155 The DB Class 155 is a German electric freight locomotive originally developed for heavy haulage on the Deutsche Bundesbahn network. Renowned for its Co-Co wheel arrangement and high tractive effort, the type entered service during the 1970s and became integral to freight operations across corridors linking Berlin, Munich, Hamburg and international routes to Vienna and Basel. Influential in shaping late Cold War rail logistics, the class interfaced with infrastructure projects and international operators including ÖBB, SBB, ČD and PKP.

Design and technical specifications

The design drew on concepts proven by AEG projects and BBC electrical systems, incorporating traction technology related to earlier models used by Deutsche Bundesbahn and later compared with locomotives from SNCF and British Rail. Key specifications include a Co-Co wheel arrangement similar to Class 151 derivatives, a transformer and rectifier architecture influenced by Siemens developments, and bodywork aesthetics echoing Henschel and LEW Hennigsdorf designs. The traction motors and control systems paralleled work undertaken at Werk Lippstadt and testing regimes overseen by institutes such as Deutsches Zentrum für Luft- und Raumfahrt collaborators. Safety and braking systems referenced standards promulgated by UIC committees and operational rules used by Bundesbahn depots at Hamburg Hauptbahnhof and Frankfurt (Main) Hbf.

Production and development

Production contracts were awarded to consortiums including AEG, BBC, LEW Hennigsdorf and Linke-Hofmann-Busch following procurement evaluations involving Deutsche Bundesbahn procurement bureaus and consultations with the Bundesministerium für Verkehr. Development milestones paralleled projects like the Trans Europ Express modernization and drew on industrial experience from firms such as Krupp and Thyssen. Prototypes underwent trials across corridors connecting Berlin Ostbahnhof, Munich Hauptbahnhof, Cologne Hauptbahnhof and border crossings to Czech Republic corridors used by České dráhy engineers. Production volumes and allocation plans were coordinated with regional workshops including Leipzig Hauptbahnhof and Krefeld-Oppum.

Service history

The class entered service during a period of expansion in freight services linking industrial regions such as the Ruhr with ports at Hamburg, Bremen and continent-wide hubs like Basel SBB and Trieste Centrale. Their deployment intersected with logistical demands from companies including Volkswagen and ThyssenKrupp shipping heavy cargoes to ports and inland terminals. During the Cold War era the locomotives operated on routes affected by political changes such as the German reunification process and the opening of corridors through Leipzig and Dresden. Operational records from depots such as Munich Freimann and Dortmund-Ems-Kanal rosters indicate heavy utilization in unit coal trains, intermodal services to terminals like München Riem and engineering trains for infrastructure managed by DB Netz.

Operations and operators

Initially operated by Deutsche Bundesbahn, the type passed to DB Cargo following corporate restructuring and later saw leases or sales to regional operators including Railion affiliates, Lokomotion, and private freight companies operating under European Commission transit regulations. Cross-border operations involved coordination with ÖBB rules on Austrian electrification sections and interoperability checks with SBB at Basel Badischer Bahnhof and border facilities serving Poland and Czechia where PKP and ČD personnel performed inspections. Maintenance responsibilities were shared with workshops historically associated with Deutsche Reichsbahn practices in eastern Germany and with contractors from firms like Siemens Mobility for modernization efforts.

Performance and modifications

In service the locomotives demonstrated sustained tractive effort suitable for heavy freight comparable to contemporaneous classes used by Ferrovie dello Stato and Nederlandse Spoorwegen freight units. Modifications over decades included upgrades to control electronics inspired by projects at Fraunhofer Gesellschaft laboratories, retrofits to meet TÜV safety standards, and noise abatement work reflecting EU directives. Some units received rebuilds with new traction inverters aligned with Vossloh and Alstom components, while others were fitted with remote-control systems for shunting operations used in terminals like Hamburg-Altona.

Preservation and disposition

Following retirement waves in the 2000s and 2010s, several units entered preservation and museum service at institutions such as the Deutsches Technikmuseum Berlin, DB Museum and regional heritage groups in Bavaria and Saxony-Anhalt. Others were acquired by private preservationists connected to societies like Historische Eisenbahnfreunde and operated on heritage lines serving stations including Arnstadt and Bremen-Vegesack. A number of locomotives were scrapped at facilities managed by firms linked to GSA Recycling and Aurubis recycling practices, while a subset was exported or cannibalized for parts by operators in Romania and Bulgaria.

Category:Electric locomotives of Germany