BDŽ class 75

Last updated • 1 min readFrom Wikipedia, The Free Encyclopedia
BDŽ class 75
Diesellokomotive der Rhodopenbahn BDZ Henschel 75006-7 in Beliza IMG 5990.jpg
BDŽ class 75 006-7 at Belitsa station
Type and origin
Power type Diesel-hydraulic
Builder HenschelKassel
Build date1965
Total produced10
Specifications
Configuration:
   UIC B'B'
Gauge 760 mm (2 ft 5+1516 in) Bosnian gauge
Wheel diameter900 mm (2 ft 11+716 in)
Minimum curve 40 m (130 ft)
Wheelbase 8,400 mm (27 ft 7 in)
   Bogie 1,900 mm (6 ft 3 in)
Pivot centres6,500 mm (21 ft 4 in)
Length:
  Over couplers13,040 mm (42 ft 9 in)
Width2,470 mm (8 ft 1 in)
Height3,520 mm (11 ft 7 in)
Axle load 12 t (11.8 long tons; 13.2 short tons)
Loco weighttotal: 48 t (47 long tons; 53 short tons),
empty: 44.5 t (44 long tons; 49 short tons)
Fuel capacity1,800 L (400 imp gal; 480 US gal)
Prime mover Maybach Mb 820 Bb
four-stroke Diesel engine
RPM range1.500 min−1 (nominal)
Cylinders 12
Transmission Hydraulic
Performance figures
Maximum speed70 km/h (43 mph)
Power outputEngines: 1,100  hp (820 kW)
Tractive effort 147 kN (33,000 lbf)
Career
Operators BDŽ
Numbers75 001 - 75 010
Disposition7 preserved, remainder scrapped

The BDŽ class 75 is a series of Bulgarian narrow-gauge diesel-hydraulic locomotives.

The first 760 mm track-side diesel locomotives of the BDŽ were built by the German company Henschel & Sohn of Kassel, and were put into operation in Bulgaria in the beginning of 1966. As soon as they arrived, they became the main narrow-gauge locomotive series at the Septemvri depot, took the passenger (from the series 81 and 82) and the freight (from the 600.76 series locomotives) service on the railway lines Septemvri - Dobrinishte and Varvara  [ bg ] - Pazardzhik. Moreover, due to the higher power of the locomotives, the trip from Septemvri to Dobrinishte was shortened by more than 1 hour.

The locomotives were constructed under the technical conditions of BDŽ and consisted mainly of: a diesel engine with a power of 1100 hp, a hydraulic gear and the wheelset formula is B'B'. At their creation (the 1960s), they were the world's most powerful diesel locomotives for the 760 mm gauge. For the first time in Bulgaria the concept of using the cavities in the main locomotive frame for fuel tank was applied.

The first scrapped locomotive in the series was 75 007.5, which derailed on January 16, 1991, due to a broken track on the open line to the closed stop "Dryanov Dol". The damage to the locomotive was not so great to force it to be scrapped, but due to the sufficient number of locomotives it was not required to be recovered quickly. Thus it became a "donor" for spare parts for the other locomotives of the series and eventually in 1994 it was scrapped.

Factory Data & Current Status

In Operation
Stopped from operation; written off, scrapped
In repair
Sold
Operational numberFactory №/
year
Notes
Delivered asSince 1988Since 2012
75 – 0175 001.831133/1965
75 – 0275 002.631134/1965Stopped from operation
75 – 0375 003.431135/1965Written off in 2004
75 – 0475 004.292 52 0675 004-231136/1965
75 – 0575 005.992 52 0675 005-931137/1965
75 – 0675 006.792 52 0675 006-731138/1965
75 – 0775 007.531139/1965Written off in 1994
75 – 0875 008.392 52 0675 008-331140/1965
75 – 0975 009.192 52 0675 009-131141/1965
75 – 1075 010.931142/1965

Related Research Articles

<span class="mw-page-title-main">Electro-diesel locomotive</span> Railway locomotive capable of running either under electrical or diesel power

An electro-diesel locomotive is a type of locomotive that can be powered either from an electricity supply or by using the onboard diesel engine. For the most part, these locomotives are built to serve regional, niche markets with a very specific purpose.

<span class="mw-page-title-main">Yugoslav Railways</span> National railway company of Yugoslavia

Yugoslav Railways, with standard acronym , was the state railway company of Yugoslavia, operational from the 1920s to the 1990s, with its final incarnation transferring to Serbia. The successor of JŽ is the joint stock company of the Serbian Railways in 2006.

The Bulgarian State Railways are Bulgaria's state railway company and former largest railway carrier in the country, established as an entity in 1888. The company's headquarters are located in the capital Sofia. Since the 1990s, the BDŽ has met serious competition from automotive transport. Up to 2002 the company also owned/managed the state railway infrastructure in the country, when according to EU regulations a new state company, the National Railway Infrastructure Company, was founded and became the owner of the infrastructure.

<span class="mw-page-title-main">Mariazell Railway</span>

The Mariazell Railway is an electrically operated narrow-gauge railway which connects the Lower Austrian capital of Sankt Pölten with the Styrian pilgrimage centre of Mariazell. The line was opened in stages between 1898 and 1907, and had a, now closed, branch to Wieselburg an der Erlauf. The railway is operated by NÖVOG, which is owned by the provincial government, and is a part of the Verkehrsverbund Niederösterreich-Burgenland.

<span class="mw-page-title-main">Septemvri</span> Municipality in Pazardzhik Province, Bulgaria

Septemvri is a town in Pazardzhik Province, Southern Bulgaria, located at the western end of the Upper Thracian Lowland, 19 km (12 mi) away to the west from the city of Pazardzhik. It is the administrative centre of homonymous Septemvri Municipality. As of December 2009, the town had a population of 8,422.

<span class="mw-page-title-main">Dobrinishte</span> Place in Blagoevgrad, Bulgaria

Dobrinishte is a small town and ski resort in the Blagoevgrad Province, Bansko Municipality, southwestern Bulgaria. As of 2006 it had 2973 inhabitants. It is located 6 km east of Bansko, a famous winter resort. It has an altitude of 850 m and is surrounded by the Rila, Pirin, and Rhodope mountains. Dobrinishte offers good conditions for both winter and summer tourism: beautiful nature, hospitable population, ski runs, mineral waters and opportunities for rural and ecotourism. According to legends and song, between 6th and 15th century Dobrinishte was a Bulgarian stronghold which halted the Byzantines from invading the country from the valley of the Mesta River.

<span class="mw-page-title-main">Rail transport in Bulgaria</span>

Rail transport in Bulgaria is an important mode of transport in Bulgaria.

<span class="mw-page-title-main">DB Class V 51 and V 52</span> Class of narrow gauge diesel-hydraulic locomotives

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.

Steam traction was the predominant form of motive power used by the Deutsche Reichsbahn on its narrow-gauge railways. For certain duties diesel locomotives were also used, albeit these were usually second-hand or rebuilt engines.

<span class="mw-page-title-main">Septemvri–Dobrinishte narrow-gauge line</span>

The Septemvri–Dobrinishte narrow-gauge line is the only operating 760 mm narrow-gauge line in Bulgaria. It is operated by Bulgarian State Railways (BDŽ). The line is actively used with four passenger trains running the length of the line in each direction per day. The journey takes five hours through the valleys and gorges between the mountain ranges of Rila, Pirin and Rhodopes.

<span class="mw-page-title-main">Narrow-gauge railways in Bulgaria</span>

From the 19th into the early 20th there were many 600 mm and 760 mm gauge railways in existence Bulgaria, some were dismantled and others were converted to standard gauge.

Europe inherited a diversity of rail gauges. Extensive narrow-gauge railway networks exist in Spain, Central Europe and Southeastern Europe.

<span class="mw-page-title-main">Locomotives of Bangladesh</span>

In the rail transport system of Bangladesh, diesel locomotives are used by Bangladesh Railway (BR). Among diesel locos, there are diesel-electric and diesel-hydraulic locos. Besides diesel locos, steam locos were used in the past, but now they are no longer used. By gauge, there are narrow-gauge (762 mm), meter-gauge (1,000 mm) and broad-gauge (1,676 mm) locos in Bangladesh. Among them, as no narrow-gauge railroads are active, so the narrow-gauge locos are not used anymore.

After 1973 the acquisition of additional high-speed diesel locomotives was considered to complement the BDZ park for the Septemvri - Dobrinishte line and especially for the replacement of the steam tram along the line Cherven Bryag - Oryahovo. The acquisition of class 75 locomotives failed for a number of reasons. Thus a construction and supply contract was signed with the Romanian plant "23 August" - Bucharest. The locomotives were built to the technical conditions of BDZ, reflecting the experience of the already 10 years of operation of the class 75 locomotives.

<span class="mw-page-title-main">BDŽ class 77</span>

The locomotives were built and delivered by the Romanian plant "23 August" - Bucharest under technical conditions of BDZ. Maximum interchangeability of aggregates, assemblies and parts with the class 76 machines, built in the same plant, was pursued. The main differences with them are:

The vehicles of the BDŽ class 05 01-03 were four-axle Diesel–mechanical railcars designed for the 760 mm narrow-gauge railways of the Bulgarian State Railways (BDŽ).

<span class="mw-page-title-main">BDŽ class 82 01-04</span> 4-axle Diesel–mechanical railcars for the 760 railways of the Bulgarian State Railways

The vehicles of the BDŽ class 05 04-07 were four-axle Diesel–mechanical railcars for the 760 mm narrow-gauge railways of the Bulgarian State Railways (BDŽ).

<span class="mw-page-title-main">DR Class V 60</span> Class of East German 0-8-0dh locomotives

The DR Class V 60 was a class of 0-8-0 diesel-hydraulic locomotives of the Deutsche Reichsbahn intended for medium to heavy shunting service.

CFR Series 040 DH are locomotives produced in large numbers, equipped with a hydrodynamic power transmission. They were used for shunting and light mainline service by the Romanian state railways CFR. In addition, 475 locomotives of this type were delivered to Romanian industrial companies, 263 units were delivered to Bulgaria, 42 units were delivered to industrial companies in Czechoslovakia, three units went to Iraq, two units went to China and one unit was delivered to the USSR.

References