A square baler (10) has a baling chamber (16) and a bale chute (20) arranged at the discharge end of the baling chamber (16). The bale chute (20) comprises a rear portion (26) that is pivotable about a horizontal axis to allow each bale to be lowered onto the ground without the bale toppling onto its end as it leaves the chute. In the invention, the rear portion (26) comprises a pivot frame (26a) that is pivotable about an axis (128) located below the plane on which the bale (18) slides and offset rearwards from the leading edge of the rear portion (26).