Universal hydraulic system for exclusive or alternating cutting of thin- and thick-walled profiles and full material without change of saw blade. Standard features include: 3 or 4 teeth per inch, pretensioned saw bow guide, closed oil hydraulic system, triple swivel bearings, separate coolant system, 6 cutting speeds, infinitely variable hydraulic cutting pressure, lifting movement and rapid return in the idle stroke, steplessly ad-justable miter cutting device, rapid lowering and rapid lift of saw bow as well as pendulum vise for complete utilization of saw blade, longitudinal guidance with ground and hardened guide beads for transmission pressure forces to the saw bow, automatic switching off after finished cut, push button control for "on", "off" and lifting of the saw bow.