DB Class 218

DB Class 218
Lars Steffens · CC BY-SA 2.0 · source
Name	DB Class 218
Powertype	Diesel-hydraulic
Builder	Krauss-Maffei; MaK; Waggonfabrik Uerdingen
Builddate	1968–1979
Totalproduction	410
Uicclass	B'B'
Length	16.4 m
Maxspeed	140 km/h
Poweroutput	1,840 kW (varies by engine)
Operator	Deutsche Bundesbahn; Deutsche Bahn AG
Disposition	Many preserved; some in service

DB Class 218 The DB Class 218 is a German diesel-hydraulic locomotive series introduced in the late 1960s for mainline passenger and freight duties on the networks of Deutsche Bundesbahn and later Deutsche Bahn AG. Conceived during a period of fleet modernization alongside projects like the Trans Europ Express and regional service reforms, the 218 became a versatile core of traction for services linking cities such as Frankfurt am Main, Munich, Hamburg, and Berlin. Its development involved manufacturers including Krauss-Maffei and Maschinenbau Kiel, and it operated contemporaneously with classes such as the DB Class 216 and DB Class 217.

Design and development

The Class 218 programme emerged from Deutsche Bundesbahn requirements influenced by post-war reconstruction plans and procurement strategies coordinated with ministries in Bonn and regional administrations including North Rhine-Westphalia and Bavaria. Design work was informed by earlier hydraulic practice exemplified by Krauss-Maffei projects and by export experience to countries like India and Turkey. Initial prototypes tested alternative diesel engines and hydraulic transmissions under supervision of technical committees that included representatives from Bundesbahn-Zentralamt and industrial partners such as MTU Friedrichshafen and Lufthansa Technik (for auxiliary systems). The resulting dual-purpose design emphasized modular engines, robust bogies, and a carbody suited to intercity layout trends visible in rolling stock such as the Intercity (Deutsche Bundesbahn) coaches.

Technical specifications

Technically, the Class 218 is a B'B' diesel-hydraulic locomotive equipped with hydraulic transmissions from manufacturers associated with projects like Voith Turbo. Powerplants varied across production batches, with prime movers from MTU Friedrichshafen, MAN SE, and licensed designs similar to those used in Vossloh and Siemens prototypes. Performance parameters allowed maximum speeds up to 140 km/h, braking systems compatible with DIN standards, and train heating arrangements for coaching stock including electric train supply appliances comparable to those in DBAG 610 units. Onboard control systems reflected standards adopted by agencies such as the Bundesbahn technical committees and interfaced with signaling environments including the legacy PZB in Germany and electrification interfaces at terminals like Cologne Hauptbahnhof.

Service history

Entering service in the late 1960s, Class 218 locomotives operated on mainlines connecting metropolitan hubs like Stuttgart, Düsseldorf, Nuremberg, and Leipzig, often rostered for express duties paralleling services of the Rheingold (train) and regional expresses. During the 1970s and 1980s they hauled InterRegio and Schnellzug consists and adapted to shifting timetables after the reunification of Germany when network priorities shifted. Units were deployed for both passenger and freight workings during events hosted in cities such as Munich (including the 1972 Summer Olympics legacy traffic) and for industrial freight to ports at Kiel and Bremerhaven. Fleet management under Deutsche Bahn AG led to cascades into regional operators and leasing companies, mirroring trends seen with other classes like the DB Class 232 and DB Class 218-contemporary retirements.

Variants and sub-classes

Production included sub-groups with differing engine installations, heating systems, and gearing ratios to suit duties from high-speed expresses to heavy freight. Some batches were modified for push-pull operation compatible with control cars used on services resembling Regionalbahn patterns, while other conversions paralleled modifications seen on DB Class 212 units for shunting and industrial use. Experimental re-engining programmes, rebuilds for compatibility with emerging signaling technologies, and leasing conversions led to multiple internal designations recognized by Deutsche Bundesbahn asset registries and regional depots in locations such as Munich Hauptbahnhof and Hamburg-Altona.

Preservation and models

A number of Class 218 locomotives entered preservation with heritage groups active in cities like Nuremberg, Dresden, and Münster, featuring on enthusiast excursions alongside preserved coaching stock from operators such as Franken-Sachsen-Express and in museum collections at institutions like the Deutsches Technikmuseum Berlin. Scale model manufacturers produced versions of the Class 218 for collectors and model railways reflecting liveries from eras represented by DB Cargo and DB Reise&Touristik, with kits and ready-to-run items marketed in gauges including HO and N by specialist firms connected to trade shows in Nürnberg and Friedrichshafen.

Category:Diesel-hydraulic locomotives of Germany Category:Krauss-Maffei locomotives Category:MaK locomotives