Real ones most certainly do NOT go through everything..although the power is there if the situation permits, they are still machines with many complex parts that do break. If they break at the wrong time, your butt can be hanging out to be shot to pieces. Throwing a track and winding up in a rice paddy is also not the most pleasant of circumstances which causes you to loose a lot of friends real fast. A tank that cannot move is not a tank...it's a monument and a prime target. Sticky mud is your worst enemy and avoided like the plague. Movies you see of tanks crashing through houses (without a cellar) and bouncing over brims or flying over a ramp are propaganda flicks for uneducated silly-villians and most guaranteed to spend the next day(s) in the maintenance shop for suspension repairs. The rest of the platoon/company is off....but the crew of that tank and the manitenance section is hard at work. Take Hollywood early war films and recruiting films with a grain of salt and chuckle.