- DB Class V 51 and V 52
DB Class V 51 (after 1968 Class 251)
DB Class V 52 (after 1968 Class 252)
251 902 with steam train at Warthausen station, 1988 Power type Diesel Builder Gmeinder (under license) Serial number V 51 901 to 903
V 52 901 to 902
Total produced V 51 : 3
V 52 : 2
UIC classification B'B' Gauge V 51 : 750mm
V 52 : 1000mm
Bogies 2 axle Wheel diameter 850mm (new) Minimum curve 70m Wheelbase 4.080m (between pivot pins) Length V 51 : 9.81m
V 52 : 9.78m
Width 2.400m Height 3.484m Locomotive weight 39.0t Fuel capacity 1800l Engine type 2 x MWM TRHS 518A Transmission hydraulic (TwinDisc) Top speed 40km/h Power output 2x 198 kW (266 hp) Tractive effort starting 132kN Retired from DB:
V 51 901 : 23.02.1971
V 51 902 : 31.03.1983
V 51 903 : 31.03.1983
V 52 001 : ~1973/4
V 52 002 : ~1973/4
The DB Class V 51 (from 1968: DB Class 251) and DB Class V 52 (from 1968: DB Class 252) 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 1000 mm gauge lines respectively.
Due to partial line closures the locomotives did not all work for long for the Deutsche Bundesbahn, subsequently working for different private companies in Italy, Spain and Austria.
In the early 1960s the narrow gauge railways of Baden-Württemberg were still operated by 13 outdated steam locomotives. To enable their withdrawal, and to continue operations on the 750 mm and 1000 mm gauge railways the state of Baden-Wuerttemberg subsidised the production of diesel locomotives by the Deutsche Bundesbahn.
Development and design
Thus the Deutsche Bundesbahn was asked to provide locomotives with suitably low axle load, suitable for both freight and passenger work, and which were suitable for use on small radius curves. High speed was not a primary requirement, more so on ease of maintenance and a reliable design.
The Gmeinder company in Mosbach / Baden put forward a design for a 4 axle, twin bogied machine, which was similar to the MaK 400 BB machines made in 1959 for the Alsen´sche Portland-Cementfabrik KG in Itzehoe which had a gauge of 860 mm - having similar power transmission via a hydraulic gearbox.
Both classes shared the same design: a four axle narrow-gauge diesel locomotive with two two axle bogies which was at the time a modern design. All machines had two MWM diesels each with an output of 270 hp (200 kW) @ 1600rpm. located in the longer end, with the shorter end containing the auxiliary diesel engine, the batteries, the compressor and the diesel tanks.
The transmission was via a torque converter type "TwinDisc 11500 MS450" with a MaK produced final drive of the type MaK 3.162.04. The locomotive's maximum service speed was 40 km/h thought the actual top speed was around 65 km/h.
In 1963 Gmeinder was given a license to build the locomotives and the construction went smoothly, with the three V 51 , and the two V 52 locomotives being delivered in 1964, both being identical in all but the wheelsets. Both classes were numbered from 900 onwards - narrow gauge steam engines had class numbers 900 upwards.
Class Loco number Gmeinder Builder number Notes Pre 1968 Post 1968 Pre 1968 Post 1968 V 51 251 V 51 901 251 901 5327 V 51 902 251 902 5328 V 51 903 251 903 5329 V 52 252 V 52 901 252 901 5325 V 52 902 252 902 5326
Class V 51
The three 750 mm gauge diesels locomotives were delivered in 1964 to their respective lines: V 51 901 to the Federseebahn, V 51 902 to Schmalspurbahn Biberach-Warthausen-Ochsenhausen (narrow gauge railway of Warthausen, Ochsenhausen and Biberach) and V 51 903 to the Bottwartalbahn, where they replaced the old steam engines.
All three locomotives performed well in their respective duties. However such trouble free operation could not stop the decline of the Baden-Wuerttemberg narrow gauge lines, in 9164 the Federseebahn closed. The Bottwartalbahn was also closed despite having substantial rush hour traffic.
In 1968 the V 51 locomotives became DB Class 251 (and the V 52 machines - Class 252).
In 1970 both displaced locomotives went to the Biberach an der Riß-Ochsenhausen line to replace steam locomotives (99 633 from bad Buchau remained as a single replacement steam engine); at that time the line still had substantial freight operations; the refrigerator factory of the Liebherr Group in Ochsenhausen assured the continued operation of freight using (Roll-blocks) for almost 20 years after the end of passenger traffic and the closure (and removal) of the section to Warthausen.
However there was no need for all three locomotives on this shorter route so in 1971 251 901 was sold to the Steiermärkische Landesbahn (StLB) in Austria and regauged to 760 mm ('Bosnian gauge'). There the locomotive remained in its original colour as "VL 21" in long term use up till 1999 when it was purchased by the Rügensche Kleinbahn - (the narrow gauge railway of Rügen island) and re-gauged back to 750 mm. As of 2008 it was still operating in working order.
251 902 and 251 903 continued working on the Biberach to Ochsenhausen line, pulling freight trains, until its closure of the trail on the 31st of March 1983.
251 902 remained on the Warthausen-Ochsenhausen line after the official closure and continued work there under its new guise as the "Oechsle" Museumsbahn (heritage railway) In 1996 the locomotive was withdrawn.
251 903 was sold in 1984 via the intermediary (NEWAG in Oberhausen) to the Italian firm Gleismac Italiana SpA in Gazzo di Bigarello (Mantua province), in 1985 it was sold to the Spanish track company COMSA and now has gauge change bogies for 1000 mm, 1435 mm and 1668 mm gauge.
Class V 52
The two V 52 1000 mm gauge locomotives were delivered in 1964 to the narrow gauge Schmalspurbahn Mosbach-Mudau (Mosbach-Mudau) line (the Odenwaldexpreß) to replace the 4 steam locomotives that were working there.
Despite working well the new diesels could not stop the decline of the minor routes of the state of Baden-Württemberg: The line from Mosbach to Mudau still had good levels of freight traffic, but passenger use was not so good; consequently the use of the V 52s on its single track did not last as long as was originally intended.
The two locomotives remained on the Mosbach-Mudau; being suited to freight work; and because of five manufacturing companies using the line at Sattelbach and Krumbach Limbach. Roll-blocks were used to transport standard gauge freight wagons on the meter gauge track. Additionally both were still used for passenger trains, which were worked with four passenger cars procurred with state funds in 1965.
From 1968 the locomotives were reclassified as DB Class 252
Nevertheless, despite the freight work and dieselisation in 1973 the line closed. Both units rebuilt to standard (1435 mm) gauge and sold to local private rail companies to recover the state grant which was used in their purchase.
In 1974 the second locomotive 252 902 (ex V 52 902) became "VL 46-01" on the Südwestdeutsche Eisenbahn-Gesellschaft mbH (SWEG) (Southwest German railway company) (since 1984: Southwest Deutsche Verkehrs-Aktiengesellschaft) and worked on the Kaiserstuhlbahn.
In 1985, both engines were sold via the handling company NEWAG in Oberhausen to the Italian company Gleismac Italiana SpA in Gazzo di Bigarello (Mantua). From there, in 1987, 252 901 went with out any structural changes to the construction company Francesco Ventura SrL in Paola (southern Italy) were it was numbered as "7152 T".
252 902 was converted back to meter gauge (in which the original appearance was restored) and sold to the narrow-gauge Ferrovia Genova-Casella (FGC) (Genoa) in 1986, later in the 1990s work was undertaken on it to enable a snow plow to be fitted. As of 2007 the locomotive was in working condition.
References and notes
- ^ a b c d e f g h i j k l m n o p q r s t u MaK - Ein weiteres Typenprogramm (400 C / 400 BB / 500 C) Technical data for Gmeinder license built V 51 and V 52 loks-aus-kiel.de
- ^ Fahrzeugportrait MaK 400029 loks-aus-kiel.de
- ^ This machine later went to the narrow gauge (1000mm) Kleinbahn Leer–Aurich–Wittmund after conversion to the wider gauge. Now of the Rhaetian Railways
- ^ Not long previously a similar diesel machine might be of UIC class D (or C) with connecting rods between the wheels - in similar fashion to a small (0-6-0 or 0-8-0) steam locomotive
- ^ The part from Warthausen to Ochsenhausen is now also known as the Öchsle and is operated as a private heritage railway by Oechsle-Bahn AG
- ^ Once again the locomotive was to work along side steam locomotives
- ^ Fahrzeugportrait Gmeinder 5327 Gmeinder 5327 details loks-aus-kiel.de
- ^ The heritage line is from Warthausen to Ochsenhausen
- ^ Fahrzeugportrait Gmeinder 5328 Gmeinder 5328 details loks-aus-kiel.de
- ^ Fahrzeugportrait Gmeinder 5329 Gmeinder 5329 details loks-aus-kiel.de
- ^ Views of the large cab version in 2008 in Italy can be found in the gallery section of loks-aus-kiel : Fahrzeugportrait Gmeinder 5325
- ^ a b Fahrzeugportrait Gmeinder 5325 Gmeinder 5325 details loks-aus-kiel.de
- ^ a b Fahrzeugportrait Gmeinder 5326 Gmeinder 5326 details loks-aus-kiel.de
- ^ According to another source 252 902 went to COMSA in 1986 after being at Gliesmac - See V52 Lieferliste privat-bahn.de
MaK - Ein weiteres Typenprogramm (400 C / 400 BB / 500 C) Mak - Type programm 400C / 400BB / 500C Technical data and work history for license built derivatives V 51 and V 52 loks-aus-kiel.de
- DB V 51
- Das Öchsle :Biberach - Ochsenhausen - Die Baureihe V 51 The Biberach-Ochsenhausen narrow gauge railway : The Class V 51 - history and design information schmalspureisenbahnen.de
- Gmeinder V51/251 brief history and technical data privat-bahn.de
- DB V 52
- Images of Class V 51 001 christianseisenbahnseiten.com
- Image of ex. V 51 003 under COMSA ownership ruehl-net.de
Classes of German diesel locomotives Deutsche Bundesbahn (pre-1994)
see also DB locomotives
Deutsche Reichsbahn (GDR) (pre-1994)
see also DR locomotives
Deutsche Bahn AG (post-1994)
see also DBAG locomotives
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