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The second use of the TOPS classification Class 21 for locomotives used on the British railway network came through the use of a number of related diesel-hydraulic and diesel-electric locomotives procured following the opening of the Channel Tunnel. The total of 16 locomotives were obtained by two separate operators, with some used for freight, and others to propel service trains and as "Thunderbird" locomotives.
In the early 1980s, Maschinenbau Kiel introduced its MaK DE 1002 design of diesel-electric locomotive, which was chosen by Nederlandse Spoorwegen as the basis of its Class 6400 freight locomotive. [3] In 1991, Eurotunnel procured five similar locomotives as its Class 0001, for use both to operate service trains through the Channel Tunnel and as rescue locomotives. [4]
In 2005, Euro Cargo Rail (ECR) was formed as a freight operator in France by English, Welsh and Scottish Railway (EWS). Its initial operations were carried out by a quartet of Vossloh G1206 diesel-hydraulic locomotives. [5] Although these locomotives were intended for use in France, maintenance was planned to be carried out at EWS's depot at Dollands Moor, close to the Eurotunnel terminal at Cheriton. Because the locomotives would be operating on railways in Great Britain, they were allocated numbers in the TOPS system as Class 21. [6] Two similar G1000 locomotives were procured in 2007. [7]
In 2009, Eurotunnel's five locomotives were used extensively for rescue operations following severe snow. [8] As a consequence, the company identified a need to have greater availability of these units, and so procured a pair of Class 6400 locomotives from DB Schenker Nederland in November 2010. [9] At the same time, Eurotunnel registered its locomotives on TOPS - the superficial similarity to the ECR locomotives led to the Eurotunnel units also being assigned as Class 21. [10] Eurotunnel acquired a further three secondhand units from the Netherlands in 2016.
Class | Operator | No. Built | Year built | TOPS Number Range | Other numbers | Type | Notes |
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21/5 | Euro Cargo Rail | 4 | 2005-06 | 21544 - 21547 | FB1544 - FB1547 [11] [12] [13] [14] | G1206 | 21544 - 21545 off TOPS registration [1] |
21/6 | 2 | 21610 - 21611 | FB1610 - FB1611 [15] [16] | G1000 | |||
21/9 | Getlink | 10 | 1990-92 | 21901 - 21905 | 0001 - 0005 [4] | DE1004 | Original Eurotunnel locomotives |
21906 - 21907 | NS6456 - NS6457 [17] [18] | DE6400 | Purchased from DB in 2010 | ||||
0006 - 0007 | |||||||
21908 - 21910 | NS6450 - NS6451 [19] [20] NS6447 [21] | Purchased from DB in 2016 | |||||
0008 - 0010 |
Maschinenbau Kiel GmbH was a German company that designed, manufactured and marketed marine diesel engines, diesel locomotives and tracked vehicles under the MaK brand name. The three primary operating divisions of Maschinenbau Kiel GmbH were sold to different companies in the 1990s.
The Eurotunnel Class 0001 Bo-Bo diesel-electric locomotives were built by Maschinenbau Kiel between 1991 and 1992. They are very similar to the NS Class 6400. When operating in the United Kingdom, the locomotives are assigned a TOPS classification as Class 21.
The NS Class 6400 is a type of Bo-Bo diesel-electric freight locomotive. 120 were built by MaK and ABB between 1988 and 1994 for Nederlandse Spoorwegen.
NSB Di 6, later designated ME 26 and DE 2700, is a class of twelve diesel-electric locomotives built by Siemens for the Norwegian State Railways (NSB). The prime mover provides a power output of 2,650 kilowatts (3,550 hp), a starting traction effort of 400 kilonewtons (90,000 lbf) and a maximum speed of 160 kilometres per hour (99 mph). They have a Co′Co′ wheel arrangement. The bidirectional locomotives were designed for use with both passenger and freight trains.
The NSB Di 8 is a class of diesel-electric locomotives built by Maschinenbau Kiel (MaK), while it was part of Siemens Schienenfahrzeugtechnik, for the Norwegian State Railways (NSB). The locomotives are equipped with a Caterpillar 3516 DI-TA prime mover, which provides a power output of 1,570 kilowatts (2,110 hp) and a starting tractive effort of 270 kilonewtons (61,000 lbf).
DB Cargo France is a French rail freight operator. It is presently a subsidiary of the German state-owned logistics company DB Cargo.
The NMBS/SNCB Class 77 is a class of 4 axle B'B' road switcher diesel hydraulic locomotive designed for shunting and freight work manufactured at the beginning of the 2000s by Vossloh Schienentechnik/Vossloh Locomotives at the Maschinenbau Kiel plant in Kiel, Germany for the National Railway Company of Belgium (SNCB/NMBS).
The Voith Maxima locomotives are a family of diesel-hydraulic locomotives built by Voith Turbo Lokomotivtechnik GmbH & Co. KG., a subsidiary of Voith.
The Stadler Euro is a class of diesel-electric locomotives built by Stadler Rail for the European market. It is available in two basic variants, the four-axle Euro 3000, and the six-axle Euro 4000. These locomotives are powered by EMD 710 prime movers. A six-axle electric-only variant is marketed as Euro 6000; it is also built for the Iberian gauge.
The G 2000 BB is a four axle heavy shunting and mainline locomotive, designed by German company Vossloh and built at the former MaK plant in Kiel. At the time of its introduction in 2000 it was the most powerful hydraulic transmission locomotive in Vossloh's range.
The Vossloh G1206 is a B'B' diesel hydraulic freight locomotive built in Kiel and used by several European railway operators including a SNCF specific variant the BB 461000 series.
The DB Class 240 are a class of Co′Co′ diesel-electric locomotives which were produced in the 1980s by MaK in collaboration with Krupp and ABB as DE 1024 as prototypes/technology demonstrators for a possible future order from the Deutsche Bundesbahn.
The DB Class V 51 and DB Class V 52 are classes of almost identical narrow gauge 4 axle diesel hydraulic locomotives built in 1964 for the Deutsche Bundesbahn, being built for 750 mm and 1,000 mm gauge lines respectively.
The MaK G 1204 BB is a four axle B'B' diesel-hydraulic locomotive with and off centre cab design built by MaK in Kiel, Germany. Eighteen of these light freight and shunting locomotives were built which were used mostly on German industrial railways, two units have worked for the Swiss Federal Railways and received the class designation Am 842.
The Vossloh G1700 BB is a four axle B′B′ medium power diesel-hydraulic locomotive manufactured by Vossloh Locomotives GmbH. in Kiel.
The ÖBB 2070 is a class of 90 shunting and light multipurpose four axle B'B' Diesel-hydraulic locomotive built for the Austrian Federal Railways by Vossloh at the MaK locomotive plant in Kiel, Germany.
The MaK DE 1002 is a class of 4 axle Bo′Bo′ diesel-electric locomotives built by Maschinenbau Kiel in association with Brown, Boveri & Cie.
The Vossloh G1000 BB is a class of off-centre cab diesel-hydraulic B'B' 4 axle locomotives built by Vossloh in Kiel since 2002. When operating under Swiss ownership the locomotives have received the class Am 842, several units owned by the Société Nationale des Chemins de Fer Luxembourgeois are classified as CFL class 1100.
The Vossloh G6 is a C diesel-hydraulic shunting locomotive, and the first locomotive of Vossloh's fifth generation programme. The G6 is the successor of the MaK/Vossloh G765, a third generation MaK locomotive still offered in the 2000s.
The VSFT G322 is a B diesel-hydraulic shunting locomotive, initially built for and in service with the Danish State Railways (DSB) as Class MK.