Segway Navimow X390
Segway's estate-scale Navimow, rated to 2.5 acres (about 10,100 m²) on the fused RTK-and-vision X3 platform, on sale in the US since April 2025.
Does it fit your lawn?
Set your lawn once; every mower page checks against it.
- Navigation & mapping
- 4.0
- Obstacle avoidance
- 5.0
- Coverage
- 5.0
- Slope & terrain
- 3.9
- Coverage per dollar
At a glance
Segway Navimow X390 (Navimow X390) covers up to 10,118 m², handles slopes to 50%, and navigates with RTK + Vision. It starts at $4,499 at Segway Navimow Store, across 1 way to buy.
- Max lawn area
- 10,118 m² (2.5 acres)
- Max slope
- 50% (27°)
- Navigation
- Wire-free RTK GNSS with AI vision, large-lawn flagship
- Price
- from $4,499
- Cutting
- 23.7 cm (9.3 in) cut, 50 to 100 mm (2.0 to 3.9 in) height, about 60 dB
- Boundary
- Wire-free. RTK GNSS plus onboard AI vision, no perimeter wire.
What it's built for
The top of the Navimow X3 range, rated for estates up to 2.5 acres on the same fused RTK-and-vision platform as the X330, with a 4G link for tracking and control away from home Wi-Fi.
Full spec sheet
The specs that decide a robot-mower purchase, in one place.
- Drive
- Rear-wheel drive
- Max lawn area
- 10,118 m² (2.5 acres)
- Max slope
Ways to buy Segway Navimow X390
Every way to buy, cheapest first.
The cheapest way to buy Segway Navimow X390 is $4,499 (brand store) via Segway Navimow Store, across 1 tracked ways to buy it.
- Check priceSNSegway Navimow StoreCheapestBrand store
Navimow X390 (up to 2.5 acres) · Estate flagship for up to 2.5 acres; launched at $4,999 in April 2025.
Prices are street prices you pay, not the MSRP above. They change often; each links to its source. The Segway Navimow Store price and stock are read from the store's own feed every 3 days (last checked 2026-09-28). BestRobotMower.co is an independent comparison site; confirm the current spec and price with the manufacturer or seller before buying.
Segway Navimow X390 vs the alternatives
The models most cross-shopped against this one, head to head.
Segway Navimow X390 FAQ
How big a lawn can the Segway Navimow X390 mow?
It is rated for lawns of 10,118 m² (2.5 acres), and starts at $4,499 at Segway Navimow Store. Rated coverage is a maximum on an open lawn; a complex or obstacle-filled yard covers less.
How steep a slope can the Segway Navimow X390 handle?
It is rated to 50% (27°) slope.
Does the Segway Navimow X390 work under trees or in shade?
Mostly. It adds camera vision to its positioning, which helps under light tree cover, though heavy canopy can still interrupt a satellite lock.
Can the Segway Navimow X390 mow in the rain?
Weather-adaptive: pauses and returns to the dock in rain, snow, or frost (IP66).
Is the Segway Navimow X390 protected against theft?
GPS tracking, PIN code, lift/burglar alarm, and a geofence out-of-boundary alert.
How does the Segway Navimow X390 avoid obstacles like pets and toys?
VisionFence 300° camera + LiDAR; avoids 200+ objects and 24+ animal types.