Navimow X430
Rated for 1 acres and 84% grade — that is 40°, not 84°. On a real lawn, once you allow for borders and travel paths, plan on about 0.8 acres.
Rated area1 acres
Max grade84% · 40°
Drive4WD
NavigationRTK + VisionFence
Per charge0.4 ac
Sold viaOnline retail
What it handles
All four wheels drive, which is what buys the steeper rating. That puts it in the small group that can work genuinely steep ground.
Navigation includes vision or LiDAR, so it keeps working under tree cover where satellite-only machines lose their fix.
Cross-shopped with
Rated for a similar area, at the same grade or less.
Segway Navimow X4501.5 ac · 84% · 4WD
Mammotion LUBA 3 AWD 50001.25 ac · 80% · AWD
Mammotion LUBA 3 AWD 30000.75 ac · 80% · AWD
Mammotion LUBA 3 AWD 5000H1.25 ac · 80% · AWD
How confident we are
Cross-checked against the manufacturer and at least one other source.
Highest wheeled slope rating found. Dual suspension.