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Siemens Consortium and BTSC Signs Contract for the Supply of 22 New 4-Car Trains for Green Line Extension

     A consortium of Siemens and the Turkish vehicle manufacturer Bozankaya, has signed a contract with Bangkok Mass Transit System Public Company Limited (BTSC) for the supply of 22 new 4-car metro trains. Siemens will be responsible for overall project management, engineering and testing/commissioning of the trains, including supply of bogies, propulsion, brake, and auxiliary systems. The new modernized trains will be assembled in Europe by Bozankaya and delivered to Thailand for further testing and commissioning before getting into passenger services.

     The purchase is part of BTSC’s initiative to add more trains for the existing Green Line and its extension to the East (Bearing-Samut Prakan, 13 km) and to the North (Mo Chit-Ku Kot, 19 km). These trains, which have a maximum speed of 80 km/h, will provide a total of 112 seats and 1,484 standing places at crush load – enabling more passengers to travel to their destinations faster.

     In addition to the train supply contract, BTSC also awarded Siemens with 16 years of maintenance services for the new fleet of 4-car metro trains.

     The signing ceremony was presided by Deputy Prime Minister Dr. Somkid Jatusripitak and Governor of Bangkok M.R. Sukhumbhand Paribatra, and witnessed by high-ranking government officials, Ambassadors from Germany, Austria and Turkey, and top executives from the transport industry.

     Siemens has been providing transportation solutions to Thailand and, BTS specifically, since 1999. It supplied 35 3-car trains for the BTS Skytrain’s initial launch and also provided sophisticated mobility technologies on electrical and mechanical turnkey basis. In 2012, the 35 3-car trains were expanded into 4-car trains to meet increasing ridership. This new supply contract marks another key contribution from Siemens to the country’s railway rolling stock.

     “We are proud to be a trusted partner of BTSC, having provided the initial E&M turnkey solution for the BTS Skytrain and continuous maintenance services ever since the inception of the mass transit project. We will continue to be a strong partner to Thailand, supporting the development of the country’s railway infrastructure and rolling stock as well as promoting railway knowledge through education. We aim to stay competitive while providing the best solutions for this country,” stated Mr. Tomasz Mazur, Mobility Division Lead, Siemens Ltd.


     Siemens Ltd. (Thailand, Myanmar and Cambodia) is a technology giant in electrical engineering in providing products, systems and solutions along the value chain of electrification, featuring strong competencies in automation and digitalization to help its customers increase efficiency and create value. It has established economic and technical ties with Thailand for over a century.

Siemens Mobility provides transportation solutions for the future. Siemens Mobility division combines all Siemens businesses in the area of passenger and freight transportation – including rail vehicles, rail automation systems, rail electrification systems, road traffic technology and IT solutions. In Thailand, Siemens has installed its latest mobility technologies in all three Bangkok mass transit projects to date – the BTS (Skytrain), the MRT (subway) Blue Line and the Airport Rail Link, on a mechanical and electrical system on turnkey basis. Siemens Mobility Division also provides long-term maintenance services to the BTS and MRT systems since its inauguration.