DBAG Class 225
Encyclopedia
The DBAG Class 225 are a set of related 4 axle diesel hydraulic locomotives from the DB V 160 family
DB V 160 family
The DB V 160 locomotive family comprises several classes of closely related 4 axle diesel-hydraulic locomotives built in the 1960s and 1970s for the Deutsche Bundesbahn which take the moniker from the earliest built model: the 'DB Class V 160'....

. The series does not represent a new build, but a reclassification and/or rebuilding of 1960s and 70s locomotives of Class 215
DB Class 215
The DB Class 215 is a 4 axle diesel locomotive of the V 160 type. They were built for the German Federal Railways for passenger and freight service on secondary and primary routes, and later passed to the Deutsche Bahn AG....

 and 218
DB Class 218
The DB Class 218 are a class of 4 axle, diesel hydraulic locomotives acquired by the Deutsche Bundesbahn for use on main and secondary lines for both passenger and freight trains....

 units.

The class were transferred to DB Cargo for freight only operations. The individual details of the members are as the locomotive classes they were derived from, excluding any modifications undertaking for the conversion to non-passenger work.

Background, history and design modifications

After passenger work for many of the DB Class 215
DB Class 215
The DB Class 215 is a 4 axle diesel locomotive of the V 160 type. They were built for the German Federal Railways for passenger and freight service on secondary and primary routes, and later passed to the Deutsche Bahn AG....

 disappeared, DB Regio
DB Regio
DB Regio AG is a subsidiary of Deutsche Bahn which operates short and medium distance passenger train services in Germany, and operates light and heavy rail infrastructure in the United Kingdom.-Germany:...

 transferred 68 locomotives to DB Cargo (later Railion
Railion
DB Schenker Rail is a European railway cargo carrier. The company was formed from the freight operating section of the Deutsche Bahn DB Cargo with the addition of various European rail freight operating companies.In December 2007 Railion became part of the DB Schenker logistics group, itself a...

) for freight work.

From 2001 onwards the units underwent conversion to Class 225. Later, between 2003 and 2005, another six engines, prototypes of the DB Class 218
DB Class 218
The DB Class 218 are a class of 4 axle, diesel hydraulic locomotives acquired by the Deutsche Bundesbahn for use on main and secondary lines for both passenger and freight trains....

, were transferred and converted to Class 225.8.

The steam heating was removed since it was no longer needed; instead, a heater for pre-heating the engine machinery was installed. A large part of them went into service still unmodified, the removal of the steam boiler taking place later concurrently with scheduled overhauls.

All of the class have multiple working control, allowing consists to be formed with both DB Class 217 and DB Class 218
DB Class 218
The DB Class 218 are a class of 4 axle, diesel hydraulic locomotives acquired by the Deutsche Bundesbahn for use on main and secondary lines for both passenger and freight trains....

 (for example, a pair consting of a 217 and 225 class were often in use around Mühldorf
Mühldorf
Mühldorf am Inn is a town in Bavaria, Germany, and the capital of the district Mühldorf on the river Inn. It is located at , and had a population of about 17,808 in 2005.-History:...

).

There are differences between the individual class members; locomotives 225 001-004 and 225 802-811 lack a hydrodynamic brake. The locomotives 215 030 to 215 032 also were transferred to this class. The auxiliary generator in these special examples was not removed.

The top speed for this class is limited to 130 km/h. Their central depot is in Leipzig
Leipzig
Leipzig Leipzig has always been a trade city, situated during the time of the Holy Roman Empire at the intersection of the Via Regia and Via Imperii, two important trade routes. At one time, Leipzig was one of the major European centres of learning and culture in fields such as music and publishing...

, locomotives in use work from the depots of Giessen, Gremberg, Kornwestheim
Kornwestheim
Kornwestheim is a town in the district of Ludwigsburg, Baden-Württemberg, Germany. It is situated about 10 km north of Stuttgart, and 5 km south of Ludwigsburg.-Entertainment:...

, Mainz-Bischofsheim, Mühldorf
Mühldorf
Mühldorf am Inn is a town in Bavaria, Germany, and the capital of the district Mühldorf on the river Inn. It is located at , and had a population of about 17,808 in 2005.-History:...

 and Oberhausen
Oberhausen
Oberhausen is a city on the river Emscher in the Ruhr Area, Germany, located between Duisburg and Essen . The city hosts the International Short Film Festival Oberhausen and its Gasometer Oberhausen is an anchor point of the European Route of Industrial Heritage. It is also well known for the...

-Osterfeld
Osterfeld
Osterfeld is a town in the Burgenlandkreis district, in Saxony-Anhalt, Germany. It is situated southeast of Naumburg. It is part of the Verbandsgemeinde Wethautal....

.

As of June 2008 the locomotives have been partially phased out, but there are still about 50 machines operating in active service. A complete phasing out of the locomotives is not currently (2008) planned since the remainders are still in use.
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