G4 Auto-Steering kit


Auto-Steering G4 Kit

The automatic steering solution for every model
of NOT-steer-ready 

It mounts on any existing steering wheel thanks to
the Patented universal ring gear MDU!

Find a dealer near you 



Auto-Steering Kit: the system


G7 Plus / G7 Iso / G12

The display of the system, sending commands to the ECU-S1.




 It detects orientation and movement of vehicle, receives GPS data and converts data from  FARMNAVIGATOR display into steering commands.


The Mechanical Drive Unit with universal ring gear steering the wheel. Two models: MDU-G4 and MDU-G5


Universal Mechanical Drive

Mounts on any existing steering wheel 

The MDU mounts on existing steering wheel without requiring its removal thanks to the Patented universal ring gear. The MDU simply clamps on and off for fast and easy transfer across vehicles of different brands and types (tractors, sprayers, spreaders or combines).

You can disengage the auto-steering by firmly grasping the steering wheel; and you can engage it just by tapping the icon on the FARMNAVIGATOR display.

  • Patented universal ring gear

  • Easy to move from one vehicle to another

  • High torque gear for the most demanding vehicles

  • Silent and very fast, can steer in any type of land



Automatic set up and calibration

Connect the receiver (not included)  to G7 / G12 via serial cable.

2. Connects the G7 / G12  to the ECU through the USB-VideoIN-Ethernet Cable.

3. Easily configure the ECU following the step-by-step wizard on the G7 / G12 display.

Installation Kits


Available MDU-G4 Installation kits:

  • MDU-G4 Bracket A  (K10MDU001A)

  • MDU-G4 Bracket B (K10MDU002A)

  • It can be moved from one vehicle to another, using a MDU-G4 Switch Kit (K10AAMH001) 

Check your compatibility first! 

Download the compatibility list


Technical Specifications



Operating Temperature -20° C to 60° C
Storage Temperature -40° C to 85° C
IP-67 Humidity 95% non-condensing
Certifications: FCC, Industry Canada, RoHS, CE, C-Tick
Input Voltage 9-16 VDC
Dimensions 153 mm x 147 mm x 57 mm
Weight <1kg
Connectors: 18-pin Male (power, display & GPS), 30-pin Male (for vehicle interface)
Ethernet connection to display
CAN Ports to Connect to ISOBUS Steering controller
Wheel Angle Sensor input
Pressure transducer input
9-axis inertial sensors to provide enhanced terrain compensation
RTK compatible ( connecting RTK antenna directly to ECU)
LED indicators
Included connection cables: cable harness (ethernet, power, NMEA-A, NMEA-B, Expansion, CAN); ECU-MDU cable.


Included Accessories



MDU-G4 Motor and Main Cable KAASS00015

Assy Gear for MDU-G4 KAASS00013

MDU-G4 Installation Kit  CASE / NH / PUMA T6 T7 T8  KAAARKC001



ECU-S1 Harness Main Cable KAAACBC002

ECU-S1 Power Cable






Intelligent Agriculture for farms of all sizes.


by AvMap, the GPS pioneers.