A track-width adjustment system, apparatus and method limit track-width adjustments in a self-propelled product applicator, according to a first speed-based protocol for track-width adjustments initiated by an operator of the applicator, and according to a second speed-based protocol for track-width adjustments initiated by an automatic track-width control arrangement of the applicator. An automatic track-width control arrangement continually monitors and adjusts track-width, as required to maintain a desired track-width at substantially any ground speed while the applicator is in motion. Operator initiated adjustments to track-width are allowed only within a prescribed range of ground speeds.

A localized hydraulic circuit configuration detection and loading arrangement, and method, utilize a pattern of pins in an electrical interface connector that is unique to a particular hydraulically powered product delivery unit mounted on a self-propelled agricultural product applicator to close or leave open electrical circuits in solenoid operated pump control valve arrangements for selectively connecting a flow of hydraulic fluid at an operating pressure from one or more continuously operating pumps of the applicator to the product delivery unit, or for selectively bypassing the flow of fluid from one or more of the pumps back to a hydraulic reservoir of the applicator at a low, bypass pressure. When no product delivery unit is mounted on the applicator, the flows from all of the pumps are bypassed to the reservoir at the low, bypass pressure.

A storage system for storing hydraulic fluid used to drive hydraulically driven components of an agricultural implement and of filling the same are provided. The storage system includes a tank having an underside. The tank has a cavity in an interior thereof for receiving the hydraulic fluid therein. A quick connect coupling is operatively connected to the underside of the tank and has an output end in communication with the cavity in the tank and an input end connectable to a hydraulic fluid source. The quick connect coupling is configured to allow for flow from the input end to the output end thereof.

A method and apparatus for mounting a pump stack in a self-propelled agricultural product applicator utilize a pump stack mounting arrangement including a pump stack, a crossmember with a web having an opening providing clearance for passage through the opening of at least one successive pump of the pump stack, and a removable mounting plate adapted for attachment to the crossmember and the at least one successive pump on an opposite side of the crossmember from a proximal end of the pump to provide support for a distal end of the pump stack. By removing the mounting plate, detaching any successive pump in the stack from its immediately preceding pump in the pump stack, and moving the detached part of the pump stack axially through the opening, clearance is provided for servicing a pump in the stack without removal of the whole pump stack or the crossmember.

A front-boom sprayer is provided that includes a boom center section and lift arm arrangement that provides a field of view below the boom when the boom is in a raised state that is substantially free of view obstructions from torque tube or other crosswise-extending components. The lift arm arrangement may provide different link tube geometries so that the respective left and right pairs of upper and lower lift arms align with each other in the line of sight of the in-cab operator.

A mobile agricultural application machine includes a controllable valve and nozzle through which a substance is applied to an agricultural field. The controllable valve is a piezo-actuated valve. An application control system generates valve control signals to control a piezo actuator on the piezo-actuated valve.

An agricultural sprayer includes an actuator configured to adjust the position of a boom assembly of the sprayer relative to a frame of the sprayer. A computing system is configured to determine the operating parameter of the sprayer at a current time based on received sensor data. Moreover, the computing system is configured to anticipate when the boom assembly will move relative to the frame in a fore/aft direction at a future time based on the determined operating parameter, with the fore/aft direction being parallel to a direction of travel of the agricultural sprayer. In addition, when it is anticipated that the boom assembly will move, the computing system is configured to control the operation of the actuator before the future time such that movement of the boom assembly relative to the frame is reduced at the future time.

A locking stand for use with a boom associated with an agricultural machine. The locking stand includes a stand base and a locking arm that is movably attached to the stand base. The stand base may include a stand body with a stand base lower section and a stand base upper section. The lower section is configured to engage a support surface and the upper section supports the sprayer boom arm. The locking arm is movable between an open position for locking the sprayer boom in the locking boom stand. A hook arrangement associated with both the locking arm and the stand base upper section may be used to lock the boom stand relative to the boom. More specifically, the hook arrangement may include a stand base hook associated with the stand base upper section and a locking arm hook associated with the locking arm.

An operator seat system is provided that includes an operator seat and an armrest control center with an I/O (input/output) system that is connected to and moves with the operator seat. An armrest control center mount system may include a seat mount and an armrest control center mount that are attached to each other with an adjustment system that allows adjustment of the armrest control center with respect to the operator seat.

An agricultural machine such as a high clearance sprayer is provided with a frame capable of supporting wheels at a variable tread width. The frame includes a first cross member and a second cross member, both of which have slider receivers formed in an outer edge of either side of the frame. The machine also includes a first axle slider for a first side and a second axle slider for a second side. Each axle slider includes a pair of axle slider legs configured to be telescopically inserted into and out of the respective slider receiver, as well as a main slider body extending between the pair of axle slider legs. The axle sliders are configured to support a pair of wheels on either side of the frame. Additionally, actuators are mounted within the cross members that enable the telescopic movement of the axle sliders relative to the cross members.