Abstract: A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.

Abstract: An exemplary diverter valve generally includes a shell, a pipe, and a handle. The shell includes a body extending in a longitudinal direction, a shell inlet port, a shell outlet port, and a positioning slot formed in the body. The pipe is seated in the body for sliding movement in the longitudinal direction, and includes a first passage and a second passage. The handle is connected to the pipe through the positioning slot, and is operable to move the pipe relative to the shell between a first position in which the shell inlet port is connected with the shell outlet port via the first passage, and a second position in which the second passage is connected with the shell inlet port and the shell outlet port is disconnected from the second passage.

Abstract: An exemplary form of mobile agricultural equipment generally includes a main frame, a wing frame, and a hinge mechanism. The main frame defines a track, and the wing frame has a roller rotatably mounted thereon. The hinge mechanism movably couples the main frame with the wing frame such that the wing frame is movable relative to the main frame between a first orientation and a second orientation. The hinge mechanism generally includes a sub-hinge plate pivotably coupled with the main frame, a first link pivotably coupled to each of the wing frame and the sub-hinge plate, and a second link pivotably coupled to each of the wing frame and the sub-hinge plate.

Abstract: An exemplary diverter valve generally includes a shell, a pipe, and a handle. The shell includes a body extending in a longitudinal direction, a shell inlet port, a shell outlet port, and a positioning slot formed in the body. The pipe is seated in the body for sliding movement in the longitudinal direction, and includes a first passage and a second passage. The handle is connected to the pipe through the positioning slot, and is operable to move the pipe relative to the shell between a first position in which the shell inlet port is connected with the shell outlet port via the first passage, and a second position in which the second passage is connected with the shell inlet port and the shell outlet port is disconnected from the second passage.

Abstract: An exemplary diverter valve generally includes a shell, a pipe, and a handle. The shell includes a body extending in a longitudinal direction, a shell inlet port, a shell outlet port, and a positioning slot formed in the body. The pipe is seated in the body for sliding movement in the longitudinal direction, and includes a first passage and a second passage. The handle is connected to the pipe through the positioning slot, and is operable to move the pipe relative to the shell between a first position in which the shell inlet port is connected with the shell outlet port via the first passage, and a second position in which the second passage is connected with the shell inlet port and the shell outlet port is disconnected from the second passage.

Abstract: An exemplary diverter valve generally includes a shell, a pipe, and a handle. The shell includes a body extending in a longitudinal direction, a shell inlet port, a shell outlet port, and a positioning slot formed in the body. The pipe is seated in the body for sliding movement in the longitudinal direction, and includes a first passage and a second passage. The handle is connected to the pipe through the positioning slot, and is operable to move the pipe relative to the shell between a first position in which the shell inlet port is connected with the shell outlet port via the first passage, and a second position in which the second passage is connected with the shell inlet port and the shell outlet port is disconnected from the second passage.

Abstract: An implement has an implement frame and a wheel for supporting the implement frame on a ground surface for movement in a direction of travel. The implement also includes a first basket coupled to the implement frame by a first arm and configured to work a portion of the ground surface, and a second basket coupled to the implement frame by a second arm and positioned rearward of the first basket relative to the direction of travel. The second basket is configured to work the portion of the ground surface after the first basket. A hydraulic cylinder is operatively coupled to the first arm and/or the second arm and configured to lift and lower the respective basket with respect to the ground surface to and from a raised position for travel. The hydraulic cylinder is further configured to regulate a pressure of the respective basket against the portion of the ground surface.

Abstract: An implement has an implement frame, a wheel for supporting the implement frame on soil in a direction of travel, a first basket coupled to the implement frame, and a second basket coupled to the implement frame. The first basket works the soil such that any convolutions in the soil are reoriented to be substantially perpendicular to the direction of travel of the implement. The second basket is positioned rearward of the first basket, and works the soil such that the convolutions in the soil that are substantially perpendicular to the direction of travel of the implement are flattened.

Abstract: A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.

Abstract: A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.

Abstract: A disk for use with a tillage machine includes a body portion rotatable about an axis of rotation. The body portion has a circumferential edge and a concavity with a first radius defined from a point on the axis of rotation. A hub portion is continuous with the body portion and presents an abutment face having a concavity with a second radius defined from a point on the axis of rotation. An aperture extends through the abutment face and is centered about the axis of rotation.

Abstract: A harrow attachment for a tillage implement includes a harrow drawbar mounting at least one rank of harrowing tools. A pivot link pivotally couples the harrow rank to the drawbar so it can trip by pivoting upward toward the drawbar from a home position in which the harrow rank is farthest away from the drawbar. A downforce spring is coupled to the drawbar and in a variable length state when the harrow rank is tripped to apply a return biasing force to the harrow rank. An adjustment mechanism couples the spring to the harrow rank and/or the pivot link in one of a plurality of adjustment locations in each of which the harrow rank is in the home position and the spring is in a fixed length state in which the biasing force is removed.

Abstract: A harrow attachment for a tillage implement has a harrow drawbar, configured to mount to a frame member of the tillage implement, and at least one harrow rank having a rank bar supporting a plurality of harrowing tools oriented to extend away from the rank bar. An anti-tangle bracket assembly has a first pivot link coupled to the harrow drawbar and a second pivot link pivotally coupled to the at least one harrow rank. The first and second pivot links pivot about pivot axes with respect to one another within a pivotal range of movement of the at least one harrow rank from a first, extended position to a second, tripped position.

Abstract: An implement has an implement frame, a wheel for supporting the implement frame on soil in a direction of travel, a first basket coupled to the implement frame, and a second basket coupled to the implement frame. The first basket works the soil such that any convolutions in the soil are reoriented to be substantially perpendicular to the direction of travel of the implement. The second basket is positioned rearward of the first basket, and works the soil such that the convolutions in the soil that are substantially perpendicular to the direction of travel of the implement are flattened.

Abstract: A drawbar for finishing attachments is arranged to attach to a fore-aft frame member of a tillage implement. The drawbar has a saddle with spaced apart side walls defining a channel configured to receive the frame member. When the frame member is received in the channel, the side walls of the saddle overlap side walls of the frame member and extend in the fore-aft direction rearward of an end of the frame member. The side walls of the saddle and the frame member have mounting openings that align along a lateral direction transverse to the fore-aft direction.

Abstract: A compact tillage implement has a frame supported by front and rear frame wheels. A front rank is mounted to the frame between the wheels with respect to a direction of travel to move a front plurality of tools with respect to the frame from a retracted orientation to an extended orientation. A rear rank is mounted to the frame between the wheels with respect to the direction travel to move a rear plurality of tools with respect to the frame from a retracted orientation to an extended orientation. The rear rank is spaced behind the front rank along a reference line. The front and rear plurality of tools are movable with respect to the frame independently of the other of the front and rear plurality of tools while the frame is in working orientation in which the frame is at a substantially fixed pitch with respect to the ground.

Abstract: A finishing attachment for a tillage implement has a support arm configured to mount to the frame so that a long dimension of the support arm extends in a fore-aft direction of the implement. A cross-bar having a long dimension extending transverse to the fore-aft direction is coupled to a free end of the support arm. A roller basket is mounted to the cross-bar for rotation with respect to the cross-bar. A pivot bracket couples the free end of the support arm to the cross-bar. The pivot bracket forms a pivot axis extending substantially in the fore-aft direction of travel about which the roller basket pivots.

Abstract: An agricultural implement has a closing disk assembly for closing furrows along a section of ground. The closing disk assembly has a pair of closing disks attached to opposite sides and opposite ends of a walking beam. The closing disks are offset from a reference plane of the closing disk assembly. The walking beam is rotatably coupled to the closing disk assembly through a rocker assembly, a support arm, and a mounting assembly. The walking beam may rotate relative to the rocker assembly to account for variations in the angle of the ground relative to the disks.

Abstract: A C-spring contains an inner spring that is spaced apart from the outer primary spring. In one example usage, the upper and lower legs of the C-spring have rear regions respectively configured for being mounted to a tubular frame tool frame member of a ground working implement, such as a disk, and to a bearing housing.

Abstract: An agricultural implement and attachment are described for soil conditioning. The implement may include an implement frame, with the attachment configured to be towed by the implement frame. A pressurized fluid circuit may be configured to control one or more actuators, in order to provide lifting or lowering force to the attachment. The attachment may include a leading frame and a trailing frame, each configured to support a set of agricultural tools. The trailing frame may be mounted to the implement frame via the leading frame.