Olive picking device, comprising: - a support structure (1) provided with a central section (12) with a mast (11) attachable to a towing vehicle and with two extreme sections (13) fixed to the central section (12) by means of hinges (14), with possibility of rotation between a vertical transport position and a horizontal working position; - parallel rows (2, 3, 4) of tine rollers (21, 31, 41), spaced apart in the forward direction of the device, said tine rollers (21, 31, 41) being mounted on the structure (1), protruding below it to drive the olives into the ground, and - olive collecting drawers (51); - some combs (22, 32, 42) for the unlocking of the olives picked up by the tine rollers (21, 31, 41), as these rollers rotate, and their pouring into the collecting drawers (51); characterized in that it comprises: - two front rows (2, 3) of tine rollers (21, 31), taking as a reference the direction of advance of the device, - a single row (5) of collecting boxes (51) arranged between the two front rows (2, 3) of tine rollers (21, 31), said collecting boxes (51) having a lower discharge hatch (52) connected to drive means for opening and closing; and - a third rear row (4) of tine rollers (41) that delivers the olives collected on the tine rollers (31) of the second row (3), which in turn delivers them in the only row (5) of collection boxes (51) arranged between the two front rows (2, 3) of tine rollers (21, 31). (Machine-translation by Google Translate, not legally binding)