Driving device of the set of logging, the utility model relates to a device for hydraulic drive angle moving of the set of cutting of forest cutting equipment. The device comprises a support (1) of a saber (2) in which slides a current cutting edge (3).In one of the ends of the support (1) is fixed to the sabre (2) and at the opposite end is mounted to a hub (4) with a crown (5) of movement of the cutting chain (3). The cube (4) receives the torque of a hydraulic motor (6).In one of the faces of the support (1), for the same end and aligned with the sabre (2) is solidarizado pin (7) which is mounted to the hanger rod (8) of the hydraulic cylinder (9). The lug (10) of the body of the hydraulic cylinder (9) is fixed in a structure (11) which is mounted on the arm of the cutting equipment.The progress of the whole cutting occurs through the opening of the hydraulic cylinder (9), that is, by the projection of the shaft (8) to the outside.
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