A harvester comprising: a pair of oppositely facing sidewalls; a pickup assembly; a bale chamber, positioned between the pair of sidewalls, comprising a crop inlet at the front end of the bale chamber, and an outlet at the rear end of the bale chamber; a deflection system, positioned between the front of the crop inlet of the bale chamber and the pickup assembly, further positioned below the supply inlet (203, 323) of the crop supply chamber (200, 320); wherein the deflection system comprises at least one deflection panel, operably connected to and capable of rotation around a pivot point positioned between the pair of sidewalls of the harvester a crop supply chamber (200, 320), positioned between the pair of sidewalls and in front of the bale chamber, comprising: a front wall (201, 321), a rear wall (202, 322), and a storage volume (210, 328); a supply inlet (203, 323) at the bottom of the crop supply chamber (200, 320); characterized in that the crop supply chamber (200, 320) further comprising a movable control surface (204, 324) positioned within the crop supply chamber (200, 320); a control arm pivot point (206, 326), positioned between or on the pair of sidewalls; and at least one control arm (205a, 205b, 325), operably connected to the control surface (204, 324) at one end and to the control arm pivot point (206, 326) at the other end; wherein the control arm pivot point (206, 326) is positioned rearward of the storage volume (210, 328); wherein the control surface (204, 324) and control arms (205a, 205b, 325) are capable of movement in an radial direction around the pivot point; and wherein the storage volume (210, 328) is defined by the space between the front wall (201, 321), the rear wall (202, 322), the pair of oppositely facing sidewalls, the control surface (204, 324) and the supply inlet (203, 323). a pair of oppositely facing sidewalls; a pickup assembly; a bale chamber, positioned between the pair of sidewalls, comprising a crop inlet at the front end of the bale chamber, and an outlet at the rear end of the bale chamber; a deflection system, positioned between the front of the crop inlet of the bale chamber and the pickup assembly, further positioned below the supply inlet (203, 323) of the crop supply chamber (200, 320); wherein the deflection system comprises at least one deflection panel, operably connected to and capable of rotation around a pivot point positioned between the pair of sidewalls of the harvester a crop supply chamber (200, 320), positioned between the pair of sidewalls and in front of the bale chamber, comprising: a front wall (201, 321), a rear wall (202, 322), and a storage volume (210, 328); a supply inlet (203, 323) at the bottom of the crop supply chamber (200, 320); a front wall (201, 321), a rear wall (202, 322), and a storage volume (210, 328); a supply inlet (203, 323) at the bottom of the crop supply chamber (200, 320); characterized in that the crop supply chamber (200, 320) further comprising a movable control surface (204, 324) positioned within the crop supply chamber (200, 320); a control arm pivot point (206, 326), positioned between or on the pair of sidewalls; and at least one control arm (205a, 205b, 325), operably connected to the control surface (204, 324) at one end and to the control arm pivot point (206, 326) at the other end; a movable control surface (204, 324) positioned within the crop supply chamber (200, 320); a control arm pivot point (206, 326), positioned between or on the pair of sidewalls; and at least one control arm (205a, 205b, 325), operably connected to the control surface (204, 324) at one end and to the control arm pivot point (206, 326) at the other end; wherein the control arm pivot point (206, 326) is positioned rearward of the storage volume (210, 328); wherein the control surface (204, 324) and control arms (205a, 205b, 325) are capable of movement in an radial direction around the pivot point; and wherein the storage volume (210, 328) is defined by the space between the front wall (201, 321), the rear wall (202, 322), the pair of oppositely facing sidewalls, the control surface (204, 324) and the supply inlet (203, 323).