Robot maker · registered
Sabanto
Founded by Craig Rupp (ex-John Deere, 640 Labs co-founder); builds the Steward autonomy system, a brand-independent retrofit that turns existing tractors (Kubota M5, Fendt 700, John Deere and others) into fully autonomous machines with mission planning, perception-based safety and remote fleet monitoring. Began as farming-as-a-service running autonomous field operations, now also sells the retrofit kit; roughly 300 systems operational across North America, typically run in gangs of four or five sub-150 hp tractors.
Company overview
Identity and operating footprint
Robot models
Specifications remain vendor-claimed
Steward autonomy system
- Retrofit autonomy kit (~£50k) enabling Fendt 700-series tractors to work fields autonomously
Brand-independent tractor autonomy retrofit
Claim source - About 300 Steward systems operational in North America
Deployed autonomy system count
Claim source
Deployment log
Announced and cited only
Funding history
Publicly announced rounds
Series A
Investors undisclosed
Round sourceCompany timeline
Milestones and announcements
Source ledger
4 unique public sources