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Stridsvagn 74
Stridsvagn 74 (strv 74) was a Swedish tank in use with the Swedish Army from 1958 to 1984. It was a modification of the older stridsvagn m/42 which was phased out of service in the 1950s. Instead of scrapping the vehicles altogether, the chassis were used to build a new tank which could be used as a supplement to the newly bought stridsvagn 101. The turret of strv 74 was completely new, with a 75 mm high-velocity gun based on an old anti-aircraft gun, engines and transmission were modified or changed from the strv m/42, broader tracks and a separate electrical engine for the turret rotation was introduced while retaining the manual control as a backup.
== History ==
The Stridsvagn 74's development path stretches through the Stridsvagn m/40 and m/42 to the original 16,257 kg/16-ton Lago tank, manufactured by the Swedish firm Landsverk for the Hungarian Army.〔Forty, p. 217〕 The 74 was therefore in essence a modernized version of the World War II M/42 tank which was itself an attempt to bring Swedish-produced tanks up to the standard of the rest of war-torn Europe. It was most successful in this role.
Produced in 1958, weighing and powered by a Scania-Vabis 239 kW/320.5 hp diesel engine, the Stridsvagn 74 had a top speed of 45 kilometers per hour (28 miles per hour), and a range of 200 km/124.3 miles. With a crew of four, it mounted a 75mm/2.95in main gun and had three machine-guns in its updated turret, which was later further modified with a more sophisticated fire-control type system and an upgrading of the main armament to increase its velocity.〔
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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