A tillage implement comprising: a frame member extending in a fore-aft direction (F, A), the frame member comprising a first wing section (110, 112),a main frame section, and a second wing section (116, 118); a gang assembly coupled to a middle breaker via a two-bar linkage, and a middle breaker, the middle breaker comprising: a first disc coupled to the main frame section, laterally offset from a midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the first disc having a concave side facing towards the midline of the middle breaker; and a second disc coupled to the main frame section, laterally offset from the midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the second disc having a concave side facing towards the midline of the middle breaker, wherein the middle breaker is adjustable, the middle breaker further comprising: the first disc coupled to the second disc via a three-bar linkage comprising a first portion of a first link coupled to the first disc, a first portion of a second link coupled to the second disc, and a third link coupled to a second portion of the first link and a second portion of the second link, wherein the first disc and the second disc are positioned on opposite sides of the midline of the middle breaker, and the first disc and the second disc are positioned closer to the midline of the middle breaker relative to the gang assembly. a frame member extending in a fore-aft direction (F, A), the frame member comprising a first wing section (110, 112),a main frame section, and a second wing section (116, 118); a gang assembly coupled to a middle breaker via a two-bar linkage, and a middle breaker, the middle breaker comprising: a first disc coupled to the main frame section, laterally offset from a midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the first disc having a concave side facing towards the midline of the middle breaker; and a second disc coupled to the main frame section, laterally offset from the midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the second disc having a concave side facing towards the midline of the middle breaker, wherein the middle breaker is adjustable, the middle breaker further comprising: the first disc coupled to the second disc via a three-bar linkage comprising a first portion of a first link coupled to the first disc, a first portion of a second link coupled to the second disc, and a third link coupled to a second portion of the first link and a second portion of the second link, a first disc coupled to the main frame section, laterally offset from a midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the first disc having a concave side facing towards the midline of the middle breaker; and a second disc coupled to the main frame section, laterally offset from the midline of the middle breaker extending in the fore-aft direction (F, A) of the main frame section, the second disc having a concave side facing towards the midline of the middle breaker, wherein the middle breaker is adjustable, the middle breaker further comprising: the first disc coupled to the second disc via a three-bar linkage comprising a first portion of a first link coupled to the first disc, a first portion of a second link coupled to the second disc, and a third link coupled to a second portion of the first link and a second portion of the second link, wherein the first disc and the second disc are positioned on opposite sides of the midline of the middle breaker, and the first disc and the second disc are positioned closer to the midline of the middle breaker relative to the gang assembly.