The invention relates to an agricultural piston bale press, comprising a pressing piston (5), a main driving mechanism (5a), an intake device (7) to take in crop material, and a stuffing device (9), wherein the stuffing device comprises a feed passage (11) and a stuffing mechanism (10), the stuffing mechanism comprising a tine arm (16) supporting tines (21) which tines can be moved along a stuffing trajectory (B), and a drive mechanism (18, 2a) for driving the tine arm, wherein the drive mechanism (18, 2a) is configured to move the tine arm (16) in a cyclic movement along a constant trajectory (X), and wherein the tines (21) are movably supported on the tine arm so that the tines can be arranged in different positions with respect to the tine arm to follow different trajectories.
