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LM-49
The LM-49 (Russian ''ЛМ-49'') is the Soviet motor four-axle tramcar. The first prototype of this vehicle was built in 1949 (hence the 49 in the name) at the Leningrad Wagon Repair Plant (VARZ, ВАРЗ, Ленинградский Вагоноремонтный Завод - Russian abbreviature and full name). "LM" means ''Leningrad Motor'' tramcar. These tramcars were utilized in Leningrad itself and some other Soviet cities such as Minsk, Gorky] (now Nizhny Novgorod), Novokuznetsk and Magnitogorsk. VARZ produced in total 287 LM-49s for Leningrad and 113 for other cities.
Inhabitants of Leningrad nicknamed LM-49 the "Elephant". Usually the LM-49 worked in pairs, pulling an unpowered wagon designated LP-49 (ЛП-49). The mass production of LM-49 ceased in 1960 when they were replaced by next model of VARZ, LM-57. The last LM-49s were withdrawn from city service in 1982-83. In general, Soviet tram drivers and repairmen regarded the LM-49 as a very durable and reliable tramcar. The withdrawal was carried out due to centralized pressure to renew Soviet trams rather than risk ailures from old age. Many LM-49s were still operable when scrapped.
== Technical details ==
The LM-49 is a broad gauge (1524 mm or 60 inch) high-floor, four-axle tramcar. Its full-metal hull is mounted on a massive steel carriage with two double-axle bogies. The hull has three wide doors which have pneumatic gears for opening and closing. The main brake system is also pneumatic. The LM-49 is equipped with four 55 kW electric motors and is able to reach a top speed of 55 km/h. It utilizes a direct mechanical control of electric current to the motors. Initially LM-49s did not have a low-voltage subsystem, but one was added later for external brakes and turn light signals. The vehicle has 35 seats and is able to transport nearly 200 passengers at full capacity. The three main dimensions of LM-49 are 15000 mm length, 2550 mm width and 3085 mm height, with an overall weight without passengers of 19.5 metric tons.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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