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The Baureihe E 40 is a German Standard electric locomotive (German: Einheits-Elektrolokomotive) commissioned by the Deutsche Bundesbahn in 1955, designed for freight trains. Since the 1968 renumbering, it is listed as Class 140 and Class 139.
In 1950, the Deutsche Bundesbahn introduced two general types of electric locomotives with standardised components: A twelve-wheel (UIC: Co'Co') freight train locomotive as successor for the class E 94 and an eight-wheel (UIC: Bo'Bo') general purpose electric locomotive as successor for the class E 44. A new feature was that the driver was seated, whereas formerly they had to stand.
During the construction period the speed requirement for a general purpose locomotive (working title E 46, then changed to class E 10) was increased to that point that the layout was one for an express train locomotive. Two types were not found sufficient to cover all needs, so the Einheits-Elektrolokomotiven program was changed to four general types: Light passenger train locomotive (class E 41), express train locomotive (class E 10), freight train locomotive class E 40 and heavy freight train locomotive (class E 50). All four classes were designed to share as many components as possible.
The class E 40 basically is a class E 10 without electric brake, altered gear ratio for lower speed and correspondingly higher tractive effort along with additional minor changes.
As all other types of the Einheitslokomotiven program the class E 40 had welded bogies with central pins. Instead the formerly used axle hung motors it used a quill drive with a circular rubber spring as a connecting element ("Gummiringfeder" in German) reducing unsprung mass. The control unit had 28 power settings.
879 units were built, making it the Einheitslokomotive (standard locomotive) of its era.
The original speed was 100 km/h, this was enhanced to 110 km/h in 1969 in order to allow better usability also for commuter trains. A sub-series, known as 140.8, were equipped for push-pull train operation.
In 1968 class E 40 was renumbered to class 140.
Starting in 1959, 31 locomotives were equipped with electrical brakes (as all class E 10 units were) for the ramp near Erkrath-Hochdahl between Düsseldorf and Wuppertal and the Höllentalbahn in southern Germany. Nowadays these engines are in service around Munich, with recent services to Austria, where the electric brake is very useful. In the beginning of the 1990s some additional class 139 (as they were renumbered in 1968) were built by equipping class 110 units with class 140 bogies and gearboxes from class 110 units pulled out of service.
Both class 140 and class 139 are being replaced by newer constructions such as class 145, class 185 and class 189. It is widely expected that the last units will be scrapped before 2010, though the higher than expected increase in railway freight traffic has created some traction shortages, thus some class 140 units are being overhauled.
Classes of German electric locomotives | ||
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The Baureihe 103 is a class of electric locomotives in Germany, originally operated by Deutsche Bundesbahn. For a long period, they were perceived as flagships of the DB rolling stock.
Alstom Traxx is a modular product platform of mainline diesel-electric and electric locomotives. It was produced originally by Bombardier Transportation and later Alstom, and was built in both freight and passenger variants. The first version was a dual-voltage AC locomotive built for German railways from the year 2000. Later types included DC versions, as well as quadruple-voltage machines, able to operate on most European electrification schemes: 1.5/3.0 kV DC and 15/25 kV AC. The family was expanded in 2006 to include diesel-powered versions. Elements common to all variants include steel bodyshells, two bogies with two powered axles each, three-phase asynchronous induction motors, cooling exhausts on the roof edges, and wheel disc brakes.
Originally, both Deutsche Bundesbahn and Deutsche Reichsbahn continued the classification system of the Deutsche Reichsbahn (DRG) – see also a short overview of the numbering system of the German railways. When UIC introduced a new classification system that could be processed by the computers of the late 1960s, DB did a major modification of their system, effective 1 January 1968. This system is still in use and now includes the engines of the former GDR railways as well.
The different railway companies in Germany have used various schemes to classify their rolling stock.
The class E 41, also known as the DB Class 141 is the first class of German Einheits-Elektrolokomotive commissioned by the Deutsche Bundesbahn in 1956.
The Baureihe 111 is a class of electric locomotives built for the Deutsche Bundesbahn, and now owned by Deutsche Bahn AG.
The class E 10 is an electric locomotive of the Deutsche Bundesbahn, introduced in 1952. It belongs to the Einheits-Elektrolokomotiven program and was built for express passenger service. In 1968 the series was redesignated as class 110 (E10) and class 112 (E10.12). In 1988 the last series of class 112 locomotives were designated as class 114, and in 1991 the remaining locomotives of class 112 were designated as class 113. In 2006 38 locomotives were designated as class 115.
The Deutsche Reichsbahn Class 250 is a German electric locomotive used on freight trains. It is nicknamed the "Electric Container" or "Powercontainer" due to its distinctive carbody shape. It was the most powerful locomotive in the former GDR and is still in use with Deutsche Bahn AG.
The DR Class 243 is a universal electric locomotive of the Deutsche Reichsbahn which is used for general rail service. Deutsche Bahn lists the locomotive as Class 143. The locomotives of class 143/243 still belong to the most successful class of German electric locomotives.
The EuroSprinter family of electric locomotives is a modular concept of locomotives for the European market built by Siemens Mobility. The internal Siemens product name is ES 64, with ES for EuroSprinter and the number 64 indicating the 6,400 kW power at rail.
The Deutsche Reichsbahn-Gesellschaft (DRG) Class E 18 is a class of electric locomotives built in Germany and Austria between 1935 and 1955. With exception of Class E 19 it was Deutsche Reichsbahn's fastest electric locomotive. After 1945 most of the surviving locomotives were operated by Deutsche Bundesbahn (DB), although a few passed to Deutsche Reichsbahn (DR) and Österreichische Bundesbahnen (ÖBB).
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These DB Class V 100 diesel locomotives were produced in the late 1950s by the Deutsche Bundesbahn for non-electrified branch lines as a replacement for steam locomotives. The V 100 class was built in three different variants.
The Class V 160 is a class of diesel-hydraulic locomotives of the German railways. It is the first variant of the V160 family, built for the Deutsche Bundesbahn for medium/heavy trains.
The DB Class V 162 is a class of four-axle diesel hydraulic locomotive built as a development of the DB Class V 160 for the Deutsche Bundesbahn from 1965 to 1968.
The DB Class 215 is a 4 axle diesel locomotive of the V 160 type. They were built for the German Federal Railways for medium-weight passenger and freight service on secondary and primary routes, and later passed to the Deutsche Bahn AG.
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