An agricultural mower system , comprising: a towing vehicle comprising an engine and a tongue coupler , the towing vehicle defining a towing centerline (TCL); a mower comprising a tongue that is pivotably coupled to the tongue coupler and a frame carrying a plurality of cutters and pivotably coupled to the tongue , the frame defining a mower centerline (MCL) that is offset from the towing centerline (TCL), the tongue defining a towing angle (Θ) with respect to the towing centerline (TCL) and a mower angle (β) with respect to the mower centerline (MCL); a mower angle actuator coupled to the tongue and the frame and configured to pivot the frame with respect to the tongue to adjust the mower angle (β); a mower sensor associated with the frame and configured to output a mower angle signal corresponding to the mower angle (β); and a controller ; characterized by: a towing sensor associated with the towing vehicle and configured to output a towing angle signal corresponding to the towing angle (θ); and the controller operably coupled to the towing sensor and the mower sensor , the controller being configured to: determine that the towing angle (Θ) has changed by a change amount (φ) relative to a defined towing angle (α); determine a turn compensation amount (γ) for the mower angle (β) as a function of the change amount (φ) and a constant; and output a compensation signal to cause the mower angle actuator to adjust the mower angle (β) by the determined turn compensation amount (γ). a towing vehicle comprising an engine and a tongue coupler , the towing vehicle defining a towing centerline (TCL); a mower comprising a tongue that is pivotably coupled to the tongue coupler and a frame carrying a plurality of cutters and pivotably coupled to the tongue , the frame defining a mower centerline (MCL) that is offset from the towing centerline (TCL), the tongue defining a towing angle (Θ) with respect to the towing centerline (TCL) and a mower angle (β) with respect to the mower centerline (MCL); a mower angle actuator coupled to the tongue and the frame and configured to pivot the frame with respect to the tongue to adjust the mower angle (β); a mower sensor associated with the frame and configured to output a mower angle signal corresponding to the mower angle (β); and a controller ; characterized by: a towing sensor associated with the towing vehicle and configured to output a towing angle signal corresponding to the towing angle (θ); and the controller operably coupled to the towing sensor and the mower sensor , the controller being configured to: determine that the towing angle (Θ) has changed by a change amount (φ) relative to a defined towing angle (α); determine a turn compensation amount (γ) for the mower angle (β) as a function of the change amount (φ) and a constant; and output a compensation signal to cause the mower angle actuator to adjust the mower angle (β) by the determined turn compensation amount (γ). a towing sensor associated with the towing vehicle and configured to output a towing angle signal corresponding to the towing angle (θ); and the controller operably coupled to the towing sensor and the mower sensor , the controller being configured to: determine that the towing angle (Θ) has changed by a change amount (φ) relative to a defined towing angle (α); determine a turn compensation amount (γ) for the mower angle (β) as a function of the change amount (φ) and a constant; and output a compensation signal to cause the mower angle actuator to adjust the mower angle (β) by the determined turn compensation amount (γ). determine that the towing angle (Θ) has changed by a change amount (φ) relative to a defined towing angle (α); determine a turn compensation amount (γ) for the mower angle (β) as a function of the change amount (φ) and a constant; and output a compensation signal to cause the mower angle actuator to adjust the mower angle (β) by the determined turn compensation amount (γ). <EOS>