|VR Class Hr11|
Hr11 number 1953 at Helsinki railway station in 1965.
The VR Class Hr11 was the first class of line-haul diesel locomotives used by Valtionrautatiet (Finnish State Railways). Only five units were built, all delivered by Valmet in 1955. The Maybach diesel engines used in the locomotives proved highly unreliable, resulting in a complete overhaul of the engine-transmission system in 1956–58, but this did not solve all of the reliability problems. The Hr11 series was withdrawn from service in 1972.
A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotive have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels.
Valmet Oyj is a Finnish company and a developer and supplier of technologies, automation systems and services for the pulp, paper and energy industries. Valmet’s history as an industrial operator stretches back over 200 years. Formerly owned by the State of Finland, Valmet was reborn in December 2013 with the demerger of the pulp, paper and power businesses from Metso Corporation. Valmet is organized around four business lines: Services, Pulp and Energy, Paper, and Automation. Valmet's services include maintenance outsourcing, mill and power plant improvements and spare parts. The company provides technology for pulp, tissue, board and paper mills and bioenergy plants. In the area of automation, Valmet's solutions range from single measurements to mill wide turnkey automation projects. Valmet's operations are divided into five geographical areas: North America, South America, EMEA, China, and Asia-Pacific. Valmet has operations in approximately 30 countries and it employs 12,000 people. Its headquarters are located in Espoo, and it is listed on the Nasdaq Helsinki. In 2017, Valmet's net sales totaled EUR 3.2 billion.
Maybach Motorenbau is a defunct German car manufacturer that today exists as a sub-brand of Mercedes-Benz. The company was founded in 1909 by Wilhelm Maybach and his son, originally as a subsidiary of Luftschiffbau Zeppelin GmbH, and it was known as Luftfahrzeug-Motorenbau GmbH until 1999.
VR (Finnish Railways) started a modernization project in the early fifties. VR had a small amount of diesel and gasoline-powered railcars since the 1920s, but in 1952 VR had only steam locomotives.
Modern aluminum-carriage diesel powered express multiple units (Dm3 and Dm4) were introduced in 1952. Related to these orders, VR ordered in 1952 five passenger train diesel locomotives with hydraulic transmission from Valmet Oy, Tampere. The locomotives were delivered in 1955.
The locomotives had originally two six-cylinder Maybach MD320 diesel engines driving each their own Maybach Mekydro K64B hydraulic-mechanical gearbox. The engines and transmission were placed in the bogies. The engine-transmission units proved to be very unreliable, and in 1956–58 a complete overhaul was done. Among other improvements, the engines were fitted with turbochargers, which increased the power from 450 hp to 600 hp, but simultaneously lowered the RPM from 1700 to 1500 r/min. The new engine designation was Maybach MD325. The gearboxes were changed to another type, Mekydro KL64. After the upgrade, the engines were reasonably reliable, but the reliability of the Maybach Mekydros did not improve significantly.
The locomotives carried a gray livery, with wine-red broad stripes. The gray color and sleek looks earned it the nickname Lentävä susi (Flying Wolf). They pulled mainly passenger trains between Tampere, Helsinki and Turku. All units were abandoned in 1972.
No 1950 is stored at the Finnish Railway Museum.
The Finnish Railway Museum is located in Hyvinkää, Finland. It was founded in 1898 and located in Helsinki. The museum was moved to Hyvinkää in 1974.
The Jokioinen Museum Railway is located in Jokioinen, Finland. It is located on the last operating commercial narrow gauge railway in Finland, the 750 mm gauge Jokioinen Railway.
The history of rail transport in Finland began on January 31, 1862, with the opening of the railway line between Helsinki and Hämeenlinna. By 1900 most of the future main lines had been constructed, including the line to St. Petersburg. By the time of the birth of the new Finnish Republic in 1917 lines connected all major cities, major ports, and reached as far as the Swedish border, and inner Finland as far north as Kontiomäki in Paltamo region, as well as eastwards into Karelia.
A locomotive or engine is a rail transport vehicle that provides the motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as multiple units, motor coaches, railcars or power cars; the use of these self-propelled vehicles is increasingly common for passenger trains, but rare for freight.
VR is a government-owned railway company in Finland. VR's most important function is the operation of Finland's passenger rail services with 250 long-distance and 800 commuter rail services every day. By 7,500 employees and net sales of 1,251 million euros in 2017 VR is one of the most significant operators in the Finnish public transport market area.
The British Rail Class 43 diesel-hydraulic locomotives were built by the North British Locomotive Company (NBL) from 1960–1962. They were numbered D833-D865.
British Railways' (BR) Type 4 Warship class diesel-hydraulic locomotives were introduced in 1958. It was apparent at that time that the largest centre of expertise on diesel-hydraulic locomotives was in West Germany. The Western Region of British Railways negotiated a licence with German manufacturers to scale down the German Federal Railway's "V200" design to suit the smaller loading gauge of the British network, and to allow British manufacturers to construct the new locomotives. The resultant design bears a close resemblance, both cosmetically, and in the engineering employed, to the original V200 design. Warship locomotives were divided into two batches: those built at BR's Swindon works were numbered in the series D800 to D832 and from D866 to D870, had a maximum tractive effort of 52,400 pounds-force (233,000 N) and eventually became British Rail Class 42. 33 others, D833–865, were constructed by the North British Locomotive Company and became British Rail Class 43. They were allocated to Bristol Bath Road, Plymouth Laira, Newton Abbot and Old Oak Common.
The British Rail (BR) Class 35 is a class of mixed-traffic B-B diesel locomotive with hydraulic transmission. Because of their Mekydro-design hydraulic transmission units, the locomotives became known as the Hymeks. They were numbered D7000-D7100.
British Railways 10100 was an unusual experimental diesel locomotive known informally as The Fell Diesel Locomotive. It was the joint production of Davey Paxman & Co, Shell Refining & Marketing Co and Lt-Col L. F .R. Fell, built for them by the London, Midland and Scottish Railway at Derby. Sir Harry Ricardo was also involved. By the time it emerged in 1950, nationalisation had taken place and it carried British Railways livery. The locomotive had six diesel engines, four of them used for traction. There were two auxiliary engines, both of which were 150 hp (110 kW) AEC 6-cylinder units, and these drove the pressure-chargers for the main engines and the purpose of this arrangement was to enable the main engines to deliver very high torque at low crankshaft speed.
DB Class V 200.0 was the first series production diesel-hydraulic express locomotive of the German Deutsche Bundesbahn and - as Am 4/4 - of the SBB-CFF-FFS in Switzerland.
The Dv12 is the standard Finnish medium-weight diesel-hydraulic road locomotive operated by VR. As all the main lines of Finnish railway network have been electrificied, the locomotive is designated mostly to unelectrified, less frequently used side lines. Occasionally it may still pull cargo trains on main lines. It has also been put in service as a shunter, replacing older classes Dv15 and Dv16 as they were retired. A total of 192 locomotives were built by Lokomo and Valmet between the years 1963 and 1984. As of 2019, the oldest Dv12 units are 56 years old.
The Krauss-Maffei ML 4000 C′C′ is a road switcher diesel-hydraulic locomotive, built between 1961 and 1969 by German manufacturer Krauss-Maffei in Munich, Germany. It generated 3,540 horsepower (2,640 kW) from two Maybach V16 engines. 37 examples were built for two North American railroads and one South American railroad.
The diesel-hydraulic locomotive ML 2200 C'C' was a 6 axle variant of the DB Class V 200 series of locomotives, which were built for Yugoslav State Railways (JDŽ) by manufacturer Krauss-Maffei.
The Class 340 of Renfe were a class of 4-axle diesel-hydraulic locomotives built by Krauss-Maffei for the Spanish Railways. The design is similar in outward appearance and technology to the DB Class V 200. 32 units were built.
Hr1 class was the largest passenger express steam locomotive built in Finland. Twenty-two were built between the years 1937–1957. They were numbered 1000–1021
The Dm12 is a diesel railcar operated by VR Group.
The Dm6 and Dm7 were diesel multiple units built by Valmet in the 1950s and 1960s for Valtionrautatiet. They are known by their nickname lättähattu.
VR Class Tve2 was a VR Group diesel shunting locomotive. They were ordered from the Saalasti Oy engineering company and built between 1962–64. Locomotives was sent to the Turenki sugar factory. A total of 8 units. The manufacturer's designation for the model was OTSO2 and OTSO2/VR.
VR Class Dr12 was a heavy diesel locomotive of Valtionrautatiet. The first 6 locomotives were ordered in 1956. They entered service between 1959 and 1963. The locomotives were built by 2 manufacturers, Valmet and Lokomo, both based in Tampere. All Hr12 class locomotives with even numbers were produced by Valmet, while all odd numbers were produced by Lokomo. The locomotives were withdrawn in the early 1990s.
VR Class Dr13 was a heavy diesel locomotive used by VR Group. The Dr13 was designed by the French company Alstom. The class consisted of 54 locomotives, of which the first two were built by Alstom’s factory in Belfort, France and were shipped to Finland in 1962, while the rest were built in Tampere at the factories of Lokomo and Valmet. The first Dr13 series locomotive came to Finland on 24 October 1962. The Dr13 series was introduced between 1962–1963, and the last units were withdrawn by June 2000.