A device for severing round timber includes a rotatable circular saw and a transversal feeding device feeding round timber pieces towards the saw and for feeding cut sections of the timber from the saw towards the discharge end of the device. The feeding device includes a number of rotary conveying chains arranged in groups in the feeding direction at one side of the saw and at the opposite side of the saw. The conveying chains of two groups extend in the feeding direction such that they include an acute angle with each other and diverge from one another whereby timber sections cut off by the saw tend to move away from each other and, after being cut off, do not contact the saw teeth in the area of the saw blade.