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Soviet tank engines are famous for the longevity of the , a V12 engine designed in the 1930s that, in modernized forms, still powers frontline MBTs today. Soviet-Tank-Engines.7z
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: A major innovation used in the T-44 and T-54/55 , where the engine was turned 90 degrees to save space, allowing for a smaller hull and a more centered turret. in modernized forms