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 6400 Class. When operating in the United Kingdom, the locomotives are assigned a TOPS classification as Class 21.
The 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 Siemens Schienenfahrzeugtechnik and later by Vossloh 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 most powerful single-engined diesel-hydraulic locomotive in the world, the Maxima 40CC is rated at 3,600 kW. Initially two versions of a 6 axle C'C' machine were offered with medium speed engines from the Anglo-Belgian Corporation; the Maxima 30CC and Maxima 40CC. In 2008 a third model, the Maxima 20BB, a 4 axle B'B' machine was added to the range.
The Voith Gravita locomotives are a family of road switcher diesel-hydraulic locomotives built by Voith Turbo Lokomotivtechnik GmbH & Co. KG.. Available in a range of configurations from 4 to 6 axles, they are designed for shunting and light and medium freight operations.
The DB Class V90 locomotive is a German road switcher diesel-hydraulic locomotive for shunting and freight hauling.
The Vossloh G 2000 BB is a four axle heavy shunting and mainline locomotive 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 G 1205 is a class of four axle B'B' diesel-hydraulic locomotives built by the Maschinenbau Kiel factory.
The MaK G 1202 BB is a four axle B'B' off-centre cab diesel-hydraulic locomotive built by Maschinenbau Kiel in 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 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.
