Segway Navimow X390
The largest-capacity mower here at 2.5 acres.
RTK GPS (base antenna)Camera vision
Specs
| Rated lawn area | 2.5 acres (108,900 sq ft) |
|---|---|
| Max slope | 50% (27°) |
| Navigation | RTK GPS (base antenna) + Camera vision |
| Perimeter wire needed | No |
| Drive | 2WD |
| Cutting height | — |
| Noise | 60 dB(A) |
| Price | $4,499 |
| Price per acre | $1,800 |
Source: Segway Navimow. Checked 2026-09-25.
Is it right for your yard?
- Lawn size: comfortable up to about 2.13 acres (92,565 sq ft).
- Slopes: fine for hilly yards, not for very steep banks.
- Trees: relies on satellite positioning; heavy canopy can cause trouble.
- Setup: no wire, but you mount an RTK antenna with a clear view of the sky.
Against its class
- Ranks 1 of 4 for coverage
- Ranks 4 of 4 for slope
- Ranks 1 of 4 for price per acre