A control system for a harvester having a crop cleaner for cleaning a cut crop. The control system includes a processor, a memory, and a human-machine interface. The processor is configured to receive an input corresponding to a desired cleaning level of the crop, monitor the actual cleaning level, and control the crop cleaner based on feedback from monitoring the actual cleaning level to move the cleaning level of the crop towards the desired cleaning level of the crop.

An agricultural vehicle includes a chassis defining a rear; a header carried by the chassis and configured to collect crop material from a field; a track carried by the chassis; and a shredding assembly carried by the chassis that receives crop material collected by the header. The shredding assembly includes a shredder configured to shred received crop material; and a shredder pan carried by the chassis under the shredder that includes a shred assister configured to cooperate with the shredder to shred crop material and at least one track follower in contact with the track that allows the shredder pan to move along the track toward the rear of the chassis.

A cleaning assembly for a harvester has a fan assembly with a fan and a first fan outlet and a second fan outlet, a first sieve assembly with at least one reciprocable sieve, an upstream end of the first sieve assembly near the first fan outlet such that air from the first fan outlet flows along the first sieve assembly and a direction of crop flow; and a second sieve assembly has at least one reciprocable sieve, an upstream stream end of the second sieve assembly near the second fan outlet such that the air from the second fan outlet flows along the second sieve assembly and the direction of crop flow, the second sieve assembly has a clean grain auger for receiving cleaned grain, and the first sieve assembly has a further clean grain auger arranged for receiving cleaned grain.

A harvest weighing mechanism utilizes a variable speed conveyor comprised of evenly spaced solid rods such that marketable product is suspended on the rods while small foreign material falls between the rods. The product moves at the same velocity as the conveyor until discharged and directed into an impact plate attached to an impact sensor. As the product collides with the impact plate the resultant deflection of the impact plate is converted to an electronic signal which is sent to a control box which uses an algorithm to convert radial velocity to linear velocity and through laws of energy conservation determines the weight of the product required to cause the deflection measured by the impact sensor.

A harvester lifts plant material and usable product off the ground using a header to create one or more distinct ribbons of material which are each fed axially into the front of rotating foraminous drums carrying stripper springs and within which a rotor with threshing springs and a screw conveyor on its outer surface is cooperatively mounted. The usable product thus separated from the plant material exits the foraminous drums to be collected and conveyed to the cleaning portion of the harvester. The product and foreign material are mechanically sized using a series of rollers and an air stream separates the product for subsequent trimming of stems therefrom. The product is then deposited on a sizing conveyor further separation and weighing.

A combine harvester includes one or more threshing rotors (5) mounted in the harvester, a grain pan (7) and a set of sieves (8), and a drive mechanism configured to drive a longitudinal reciprocating motion of the grain pan (7) and superimpose a lateral reciprocating motion component on the longitudinal reciprocating motion.

A sieve arrangement for an agricultural combine harvester includes a sieve frame for carrying a sieve, a side shaker arm, and a plurality of elongate structural members. The sieve frame includes a first side frame member and a second side frame member. The side shaker arm is connected with the first side frame member. Each structural member has a first end connected to the side shaker arm, and a second end connected with the second side frame member.

A combine harvester is provided that separates grain material from material other than grain using multiple processing areas, including a harvesting area, a feederhouse area, a threshing area, a cleaning area, and a grain delivery area. In a location at or prior to entering one of the processing areas, the material may be collected and held until a collection threshold is reached. Once it is determined that the collection threshold is reached, the material forming a first group of material may be transported from the location to the processing area or a subsequent processing area. The first group of material is transported from the location to the processing area or the subsequent processing area substantially simultaneously and thus simulates the gathering of a large amount of crop material even when small plots are involved. In this way, reduced cycle times may be achieved, and the efficiency benefits of large-plot harvesting may be extended to small-plot applications.

A combine harvester processing system comprises a rotor and a rotor cage encircling the rotor. The rotor cage comprises an arcuate section having an interior surface which includes a first vane and a second vane each disposed at an angle relative to a radial axis. The first vane is disposed forwardly of the second vane. The angle of the first vane is less than the angle of the second vane.

A harvester cleaning shoe louver includes a head portion about which the louver is to pivot, a tail blade extending from the head portion and fin blades. The fin blades extend from a rear face of the tail blade at spaced locations along the tail blade.