RetardedCheeseWheel it's has no steering, lol. It has lift axles. As you can see, the axles that aren't needed are lifted. If the load is much heavier, they can lower one or more axles in addition. While cornering they just skid over the ground then. Not good for the tires, but normal. lol.
G. Sneddon What????? the first truck you see is his 580 and the last truck you see in this vid is a 143H 420(14 liter engine and its a 3 series scania with 420 HP!)