A dryer section of a machine for manufacturing fiber webs, which includes a plurality of heatable drying cylinders arranged to form at least a first dryer group and a second dryer group, and arranged in horizontal cylinder rows, and including a plurality of suction rolls each being disposed between two adjacent cylinders. The cylinders of the first group have axes disposed in a first plane I, the suction rolls of the first group have axes disposed in a second plane II, the cylinders of the second group have axes disposed in a third plane III, and the suction rolls of the second group have axes disposed in a fourth plane IV. In accordance with different embodiments planes I and II may be coplanar, planes II and III may be coplanar; planes I and III may be disposed between planes II and IV; and the axes of the first drying cylinders and its associated suction roll of the second group may be disposed below the axes of the other drying cylinders and suction rolls of the second group.