Steering and speed
Drives the machine through passes, headlands and turns.
Machine control Flagship product
Pilot deployment program
AG4 Control: complete control of your machine.
Installed on the combine harvester you already own, AG4 Control executes the optimized route and operates the machine's functions — speed, steering, header functions and rotor speed adjustment. You monitor remotely, the system learns with every operation and every field builds a history.
AG4 Control is in a pilot deployment program: AG4 selects machines and operations and supports each deployment with its engineering team.
What it is
What AG4 Control does.
It receives the optimized route, knows where the machine is and operates the machine throughout the job — pass by pass, turn by turn.
- ReceivesThe route from AG4 Atlas
Passes, turns, headland and work order.
- KnowsWhere the machine is
Position and heading from the antenna with corrected signal.
- CommandsSpeed, steering and header functions
Plus rotor speed adjustment, through the machine's own electronics.
- RecordsField history
Every operation is stored and improves the next routes.
- ShowsRemote monitoring
See the machine and the progress of the operation from wherever you are.
Much more than following a route
Control of the machine as a whole.
AG4 Control doesn't just guide the machine: it operates the harvesting functions, optimizes the route, learns with every operation and keeps a record of everything.
Header
Controls the header during the operation.
Rotor speed adjustment
Adjusts the machine's rotor speed to suit the operation.
Optimized route
Passes, headland and turns calculated for your field and your machine.
Learns with every operation
Every route executed feeds the system, which improves the next ones.
Remote monitoring
See the machine, its position and the progress of the operation from wherever you are.
Field history
Routes, worked area and events from every operation are recorded.
Operator in command
From the cab, the operator monitors and can pause or shut down at any time.
How AG4 Control works
- 01Planned route
The route arrives ready from AG4 Atlas: passes, turns and headland.
- 02GNSS position
GNSS reports where the machine is and which way it is heading.
- 03Control
Control commands steering, speed, header and rotor speed.
- 04Machine in operation
The machine works the field and the operation is recorded.
Integration with the machine
Connected to the machine's electronics.
Control talks to the machine over the CAN bus and monitors every module involved in the operation. The integration is defined for each model and configuration, after a technical assessment.
Assess my machine- GNSS receiverPosition
- PositioningHeading
- CAN busCommunication
- Machine outputTraction
- CommandSource
- SteeringDirection
- PropulsionSpeed
- FeederhouseHeader
- MissionState
Atlas + Control Planning and execution
The plan and the execution speak the same language.
The route generated in AG4 Atlas is the same one AG4 Control follows on the machine — with the pass sequence, the turns and the headland.
Hardware
Electronics developed by AG4.
Boards, CAN interfaces and modules designed and tested by AG4 engineering — first on the bench, then on the machine.
AG4 terminal The operator's screen
The whole operation on one screen.
Navigation, field map, stops and alerts, calibration and diagnostics — on the AG4 terminal installed in the cab.
Sample farmField 12 NorthOperator
5.4km/h
GRAIN TANK72%
Flag alert here
14.6ha
18.2 ha1 h 25 minremaining
Field 12 NorthHarvesting · soybeans
14.6 of 18.2 ha
Passes12 of 14
Overlap3.4 %
Distance31.4 km
In operation7 h 48 min
HarvestedPendingRouteStopAlert
Today's history
RTK FIXEDNTRIP correction active · base 8.4 km away
Horizontal accuracy1.8 cm
Vertical accuracy2.6 cm
Correction age0.8 s
Satellites used19 of 21
Antenna signal · SNRStrongMediumNot used
Heading274.6°
Roll-2.4°
Pitch1.1°
Cutting width9.15 m
Antenna ahead of axle1.20 m
Antenna height3.85 m
- GNSS receiverFW 4.12.0Operating
- External antenna—Warning
- NTRIP modemFW 2.3.1Operating
- Machine bus250 kbit/sOperating
- Grain tank sensorFW 1.2.0Operating
- IMUFW 1.8.4Operating
- 14:02Antenna · SNR below 30 dBHz on G02 and C20
- 13:47Correction · RTK fixed restored in 4 s
- 13:46Correction · NTRIP link lost
- 11:20IMU · calibration completed
- 06:12System · module connected and recognized
- 06:11System · terminal started
Stop detectedThe machine has stopped. What is the reason?
Resume operation?The machine will start operating again. Make sure the area is clear.
Interactive: switch tabs, press STOP, mark alerts, drag the mapAG4 terminal · sample data
- NavigationNext turnDistance, headland and next pass.
- MapHarvested and pendingWorked area, route and the day's history.
- LogStops and alertsObstacle, rock, termite mound, waterlogged area, unloading.
- SystemCalibration and diagnosticsAntenna with corrected signal, header, modules and grain tank.
Digital farm The system learns
Control learns your fields.
With every operation, the machine records its position with corrected signal and the slope of the terrain. That data becomes the digital map of the farm — terrain, slope, waterlogged areas and obstacles — and each operation helps improve the next.
- 01 · RecordsThe machine harvests and measures
Position with corrected signal and tilt, pass by pass.
- 02 · DigitizesThe field becomes a map
Terrain, slope, waterlogged areas and obstacles.
- 03 · ImprovesThe next operation is better
The history feeds planning and the operation with Control.
Loading the field terrain…
Drag to rotate · + and − to zoom
- Mapped area
- 6.1 ha
- Elevation difference
- 13.3 m
- Average slope
- 8.5 %
- Positions recorded
- 68,018
- Harvest path
- 7.8 km
Real example: terrain of a field built from the positions with corrected signal and the tilt measured by the machine during a harvest (Sep 24, 2026). Height exaggerated so the terrain shows; coordinates omitted.
Compatibility
It starts with your machine.
Each integration depends on the model, year, electronics and installed systems. AG4 engineering assesses the configuration before any proposal.
- Case IHAxial-Flow 7250Technical assessment
- Case IHAxial-Flow 8250Technical assessment
- Case IHAxial-Flow 9250Technical assessment
Evolution of Control
Where we are and where we're going.
Assisted operation
The system operates the machine on the optimized route. The operator stays in the cab, monitors and can pause at any time.
Remote operation
Next stage: commanding the operation remotely, in compatible applications.
Autonomous operation
Future vision: the machine operates on its own, within defined and validated conditions.
The stages indicate the direction of development. Availability, scope and conditions of each version are confirmed by AG4 for each application.
Videos
Testing, on the machine.
FAQ
Frequently asked questions.
Does AG4 Control work on any machine?
Not necessarily. The integration depends on the model, year, electronics and installed systems. That's why every application starts with a technical assessment by AG4 engineering.
Does AG4 Control only guide the machine?
No. Besides executing the route, it operates the machine's functions — steering, speed, header and rotor speed adjustment —, lets you monitor the operation remotely and records the history of every field.
Where does the route the machine executes come from?
From AG4 Atlas. Atlas uses the map of the area, the machine's characteristics and the operation history to calculate the optimized route: passes, turns and work order.
Does the operator need to be in the cab?
In assisted operation (V1), yes: the operator stays in the cab. Remote operation and autonomous operation are stages in the product's evolution, with availability confirmed by AG4 for each application.
Does the machine need an antenna?
Yes. The operation uses an antenna with corrected signal to know the machine's position and heading. The right equipment is defined during the technical assessment.
Does it work with the display I already have?
The route from AG4 Atlas can be exported to displays from other brands. Complete control of the machine — functions, stops and alerts, history, diagnostics and remote monitoring — happens on the AG4 terminal.
Is AG4 Control already on sale?
AG4 Control is in a pilot deployment program. AG4 selects machines and operations and supports each deployment with its engineering team, ahead of broad commercial availability.
How do I join the pilot program?
Fill out the compatibility form with details about your machine and operation. AG4 engineering assesses the configuration and gets back to you with the next steps.