A portable motorised device (1) for gardening tools comprising a crankcase (2), a motor (3) housed in the crankcase (2), a drive shaft (4) associated with the motor (4) and suitable for actuating a tool, control means (7) of said motor (3), where said crankcase (2) comprises two hollow substantially symmetrical portions (2a, 2b) divided vertically along a plane parallel to the rotation axis of the drive shaft (4), a grip (5 55) with which the control means (7) of the motor are associated.
