Abstract: A method and apparatus for remotely positioning a stabilizer wheel of a towable agricultural implement simultaneously, cooperatively and proportionally control the flow of hydraulic fluid to and from both the rod and base ends of the bore of a double-acting hydraulic cylinder, to hold the piston of the hydraulic cylinder at a target position determined from a desired position input signal corresponding to a desired position of the stabilizer wheel with respect to a frame of the agricultural implement.

Abstract: A method and apparatus for remotely positioning a stabilizer wheel of a towable agricultural implement simultaneously, cooperatively and proportionally control the flow of hydraulic fluid to and from both the rod and base ends of the bore of a double-acting hydraulic cylinder, to hold the piston of the hydraulic cylinder at a target position determined from a desired position input signal corresponding to a desired position of the stabilizer wheel with respect to a frame of the agricultural implement.

Abstract: A system, apparatus and method for remotely and individually controlling a plurality of remotely positionable stabilizer wheels of a towable agricultural implement utilize an electronic control unit that receives an input signal indicative of a desired position of the stabilizer wheel, and/or a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, to automatically and individually control a plurality of hydraulic positioning cylinders for individually positioning and holding the plurality of stabilizer wheel at the desired position of the stabilizer wheels.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem with an outer left wing hydraulic circuit supplying hydraulic pressure and flow to an actuator for actuating an actuator of an outer left wing folding implement section, and a right wing hydraulic subsystem having an outer right wing hydraulic circuit for actuating the actuator of an outer right wing implement section; the hydraulic system additionally having a hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the hydraulic flow divider being configured to coordinate the motion of the outer left wing section and the outer right wing section.

Abstract: A remotely positionable stabilizer wheel arrangement for a towable agricultural implement utilizes a control unit that receives an input signal indicative of a desired position of the stabilizer wheel, and/or a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, to automatically control a hydraulic positioning cylinder of the remotely positionable stabilizer wheel arrangement to position and hold the stabilizer wheel at the desired position of the stabilizer wheel, by controlling pressure in the hydraulic cylinder to hold the stabilizer wheel at a target position determined from the desired position input signal.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem with an outer left wing hydraulic circuit supplying hydraulic pressure and flow to an actuator for actuating an actuator of an outer left wing folding implement section, and a right wing hydraulic subsystem having an outer right wing hydraulic circuit for actuating the actuator of an outer right wing implement section; the hydraulic system additionally having a hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the hydraulic flow divider being configured to coordinate the motion of the outer left wing section and the outer right wing section.

Abstract: An agricultural machine or implement has a main frame section and at least one wing section, each having lift cylinders. A main shank frame may be pivotally attached to the main frame section and may have hydraulically adjustable gauge wheels. Wing shank frames may be pivotally attached to the wing sections and may also have hydraulically adjustable gauge wheels. Bypass circuits may be used to individually adjust the lift cylinders and gauge wheel cylinders. A controller or controllers is used to purge air from the lift cylinders, gauge wheel cylinders, cylinders used to raise the shank frames for transport, and from the bypass circuits. The purge routine may be selectable as individual steps, hydraulic subsystem purges, or as one automatic purge routine.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem with an outer left wing hydraulic circuit supplying hydraulic pressure and flow to an actuator for actuating an actuator of an outer left wing folding implement section, and a right wing hydraulic subsystem having an outer right wing hydraulic circuit for actuating the actuator of an outer right wing implement section; the hydraulic system additionally having a hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the hydraulic flow divider being configured to coordinate the motion of the outer left wing section and the outer right wing section.

Abstract: A remotely positionable stabilizer wheel arrangement for a towable agricultural implement utilizes a control unit that receives an input signal indicative of a desired position of the stabilizer wheel, and/or a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, to automatically control a hydraulic positioning cylinder of the remotely positionable stabilizer wheel arrangement to position and hold the stabilizer wheel at the desired position of the stabilizer wheel, by controlling pressure in the hydraulic cylinder to hold the stabilizer wheel at a target position determined from the desired position input signal.

Abstract: A system, apparatus and method for remotely and individually controlling a plurality of remotely positionable stabilizer wheels of a towable agricultural implement utilize an electronic control unit that receives an input signal indicative of a desired position of the stabilizer wheel, and/or a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, to automatically and individually control a plurality of hydraulic positioning cylinders for individually positioning and holding the plurality of stabilizer wheel at the desired position of the stabilizer wheels.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem supplying hydraulic pressure and flow to an outer left wing hydraulic circuit for actuating the actuator of an outer left wing wheel assembly, and a right hydraulic subsystem supplying hydraulic pressure and flow to an outer right wing hydraulic circuit for actuating an actuator of an outer right wing wheel assembly; the hydraulic system additionally having at least one hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the at least one hydraulic flow divider being configured to coordinate the motion of the outer left wing and the outer right wing wheel assemblies.

Abstract: An agricultural tillage implement has a main frame section with a telescoping pull hitch tube and a tool bar. A left wing section and a right wing section are pivotally coupled with the main frame section. At least one wing implement is pivotally coupled with each wing section. A hydraulic system has a left wing hydraulic subsystem for actuating the left wing implements and a right wing hydraulic subsystem for actuating the right wing implements. The hydraulic system has at least one hydraulic flow divider and combiner between the left hydraulic circuit and the right hydraulic circuit that functions to coordinate the motion of the left wing implements and the right wing implements.

Abstract: An agricultural tillage implement with a hydraulic system coupled to actuators of foldable wing sections and to actuators of wheel assemblies associated with each wing section. The hydraulic system having a wing sensor detecting an inner wing section being folded and at least one valve coupled to the wing sensor. The valve being activated by the wing sensor enabling a hydraulic fluid flow to the actuators associated with the wheel assemblies of the wing sections causing the wheel assemblies associated with the wing sections to thereby retract.

Abstract: An agricultural tillage implement has a main frame section, a left wing section, and a right wing section. Lift wheels and gauge wheels are actuated by hydraulic cylinders supplied by a hydraulic system. Solenoid valves connect groups of hydraulic cylinders to each other and to bypass circuits. The solenoid valves and the bypass circuits function to selectively allow coordinated control and individual control of the lift wheels and gauge wheels. The hydraulic system has at least one hydraulic flow divider and combiner dividing hydraulic flow and pressure between at least one left hydraulic circuit and at least one right hydraulic circuit. The at least one hydraulic flow divider and combiner functions to coordinate the motion of the left rear lift wheels and gauge wheels, and the right rear lift wheels and gauge wheels, and may be overridden by bypass valves.

Abstract: An agricultural tillage implement with a hydraulic system coupled to actuators of foldable wing sections and to actuators of wheel assemblies associated with each wing section. The hydraulic system having a wing sensor detecting an inner wing section being folded and at least one valve coupled to the wing sensor. The valve being activated by the wing sensor enabling a hydraulic fluid flow to the actuators associated with the wheel assemblies of the wing sections causing the wheel assemblies associated with the wing sections to thereby retract.

Abstract: An agricultural machine or implement has a main frame section and at least one wing section, each having lift cylinders. A main shank frame may be pivotally attached to the main frame section and may have hydraulically adjustable gauge wheels. Wing shank frames may be pivotally attached to the wing sections and may also have hydraulically adjustable gauge wheels. Bypass circuits may be used to individually adjust the lift cylinders and gauge wheel cylinders. A controller or controllers is used to purge air from the lift cylinders, gauge wheel cylinders, cylinders used to raise the shank frames for transport, and from the bypass circuits. The purge routine may be selectable as individual steps, hydraulic subsystem purges, or as one automatic purge routine.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem with an outer left wing hydraulic circuit supplying hydraulic pressure and flow to an actuator for actuating an actuator of an outer left wing folding implement section, and a right wing hydraulic subsystem having an outer right wing hydraulic circuit for actuating the actuator of an outer right wing implement section; the hydraulic system additionally having a hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the hydraulic flow divider being configured to coordinate the motion of the outer left wing section and the outer right wing section.

Abstract: An agricultural tillage implement has a main frame section with a telescoping pull hitch tube and a tool bar. A left wing section and a right wing section are pivotally coupled with the main frame section. At least one wing implement is pivotally coupled with each wing section. A hydraulic system has a left wing hydraulic subsystem for actuating the left wing implements and a right wing hydraulic subsystem for actuating the right wing implements. The hydraulic system has at least one hydraulic flow divider and combiner between the left hydraulic circuit and the right hydraulic circuit that functions to coordinate the motion of the left wing implements and the right wing implements.

Abstract: An agricultural tillage implement with a hydraulic system having a left wing hydraulic subsystem supplying hydraulic pressure and flow to an outer left wing hydraulic circuit for actuating the actuator of an outer left wing wheel assembly, and a right hydraulic subsystem supplying hydraulic pressure and flow to an outer right wing hydraulic circuit for actuating an actuator of an outer right wing wheel assembly; the hydraulic system additionally having at least one hydraulic flow divider dividing hydraulic flow and pressure between the outer left wing hydraulic circuit and the outer right wing hydraulic circuit, the at least one hydraulic flow divider being configured to coordinate the motion of the outer left wing and the outer right wing wheel assemblies.

Abstract: An agricultural tillage implement has a main frame section, a left wing section, and a right wing section. Lift wheels and gauge wheels are actuated by hydraulic cylinders supplied by a hydraulic system. Solenoid valves connect groups of hydraulic cylinders to each other and to bypass circuits. The solenoid valves and the bypass circuits function to selectively allow coordinated control and individual control of the lift wheels and gauge wheels. The hydraulic system has at least one hydraulic flow divider and combiner dividing hydraulic flow and pressure between at least one left hydraulic circuit and at least one right hydraulic circuit. The at least one hydraulic flow divider and combiner functions to coordinate the motion of the left rear lift wheels and gauge wheels, and the right rear lift wheels and gauge wheels, and may be overridden by bypass valves.