On Track to Productivity

The first truly modular ISO-compliant steering system.

Product Info

AGI-4 Receiver/Steering Controller

The AGI-4's all-in-one, modular design incorporates the antenna, receiver and steering controller in a single component, offering unmatched upgradeability. AGI-4’s steering system features state-of-the-art inertial sensors and full terrain compensation for superior line acquisition and holding capabilities.

The AGI-4 comes standard with WAAS and EGNOS, but is easily upgradeable to 2cm accuracy with RTK radio options. Like all Topcon receivers, the AGI-4 offers GNSS multi-constellation satellite reception standard for unmatched accuracy in dynamic applications and terrain conditions.

Expanded Connectivity for Superior Performance

NTRIP capability allows tapping into existing reference networks via cellular connection (dependent of local availability) and uses existing data plans and infrastructure to minimize costs.

AGI-4’s ISO11783 compatibility with other virtual terminals (VT) provides drop-in and drive convenience.

AGI-4 is perfect for:

How others are succeeding:
Compare to Similar Products:

AGI-4 Specifications

Physical and Environmental
Powder-coated, cast aluminum, plastic dome
Deutsch connector, kintegrated housing, unique keyed
2.4 Kg; 5.29 Kg (appprox.)
Power and Electrical
Input Voltage
7-26 VDC
Power Out
12V/500mA for ext. radio modem
1 X CAN1
1 X CAN2
1 X CAN3
1 X RS-232 A
1 X RS-232 D
1 X Ethernet
Steering controller
Operating Temperature
-40° C to +80° C
Storage Temperature
-40° C to +80° C
Certifications and Standards
Shock Rating
DIN 40046
Salt Fog
ISO 15003

Get support where & when you need it-
for all your Topcon products.

Online Support

A simple, free login entitles you to the following benefits:

  • Downloadable product manuals
  • Video tutorials and quick guides
  • Comprehensive training and documentation
  • Dealer assistance with any tech issues
Create a free Topcon account
Extend Your Benefits

Register your product now to receive additional support including: 

  • Software & firmware updates
  • Product-specific notifications
Register your Product

We've Got You Covered

Need more info?

We can email you additional product information. Your contact information will never be shared.

See it in action

Your local dealer can't wait to show you what we can do for your business.

View the event calendar