young designers, pyotr baikov and viktor voitikov were afraid to move from the tension.they caught every movement of the chief designer ivan iosifovich drong, the expression on his face. he was intently examining the drawings they had presented, their first developments. he would stop for a long time at the columns of numbers, shake his head disapprovingly, and begin making corrections himself, recalculating. finally, the verdict was announced. i am surprised at your timidity, is it worth correcting yesterday? let's think about tomorrow, even the day after tomorrow, he immediately encouraged the dejected youth, laying out the drawings in front of them. after all , something interesting is looming in your work. and the bold decision of the chief designer, in first of all, we will cut out the tracks. the tractor must be wheeled and necessarily rubber-tired, have a wide range of speeds, and most importantly, be able to connect not only to trailers, but also to other implements. for the design bureau-plant , painstaking work began to bring the model, as they say, to mind. fo