PRONAR PDD830C is a double-sided disc mower with swath conditioner is an excellent choice for farmers with larger areas of grassland. It is also an alternative to expensive self-propelled mowers. In this mower a swath conditioner was used where intensity of swath conditioning can be adjusted by shifting the lever located on the conditioner housing. There are swath conditioner fingers, with double shock absorption. The double-sided mower PDD830C consists of two 3 meter wide rear mounted disc mowers ( left one and right one) assembled on the frame. The mower has all kinetic and feasible features of the PDT300C rear mounted mower (except the number of transport positions). PDD830C is designed to interact with a front mounted mower of min 3 m working width. Swath width of such a set is 8,3 m. PDD830C double-sided disc mower can be transported only in one transport position i.e. when raised and folded at the side of the tractor. In case of collision, the cutting unit protects hydraulic cutting unit by rising and tilting backwards.