788K views · 12K reactions | This near-100ton behemoth was initially...

This engine survived a nuclear blast, literally. The Soviet T-55 tank was engineered to keep running even in post-nuclear battlefield conditions. Its diesel engine was shielded against electromagnetic pulses, had filters for radioactive dust, and could function at extreme temperatures. Crews could activate a sealed environment system that let them drive through contaminated zones without damage to the engine. It's one of the toughest engines ever built, not for speed but survival. In a world obs