Segway Navimow — the value leader for open lawns, and the brand we install most
Centimeter-accurate RTK guidance, an X series for lawns up to 1.5 acres on one unit, and the commercial Terranox for 3 to 6. Most of the install stories on this site are Navimows — which is also why we know exactly where they stop.
Who Navimow is for
- Open or lightly treed lawns with a spot for the RTK antenna — from a quarter acre (X315) to 1.5 acres on a single X450, which has run 1.91 acres on a dialed-in Lewes, DE install.
- Coverage per dollar. The X450 is the lowest-priced flagship we carry for its acreage, on the navigation we trust most.
- Hills. An X430 works a 40%-plus berm between young trees in Bucks County, and another mows what may be Annapolis' steepest lawn.
- Fenced pools and gates — VisionFence camera avoidance plus MowGate, the powered gate the mower opens itself.
- Acreage and commercial work: the Terranox CM120M1 (3 acres) and CM240M1 (6 acres), which we run and review ourselves.
- Owners who want the deepest bench behind them: a certified service center, the free Owner Course, and the most Navimow write-ups anywhere.
Who it isn't for
- Heavy tree canopy with nowhere open for the RTK reference. RTK needs sky; when a yard can't offer it, the LUBA 3's LiDAR is the honest answer.
- More than about two acres on one robot. Past the X450's real-world ceiling it's a Terranox or two X450s — the comparison is on this site.
- Mowing in the dark. The X series sees obstacles with a camera; that's LiDAR's game, not Navimow's.
- Snow. Navimow mows. For a driveway that clears itself, that's Yarbo.
What makes Navimow different
I Asked a Real Customer About the Navimow X430 After 1 Month
The Navimow lineup we carry
Specs and prices come from the same catalog the mapping tool sizes from. Rated acreage is the manufacturer's; the tool tells you when a fit sits at the upper limit.
- Handles up to 0.5 acres
- Centimeter-accurate RTK guidance
- 120 min runtime · 9.3" cutting deck
- Handles up to 1 acre
- Centimeter-accurate RTK guidance
- 110 min runtime · 17" cutting deck
- Handles up to 1.5 acres
- Centimeter-accurate RTK guidance
- 120 min runtime · 17" cutting deck
- Handles up to 3 acres
- Centimeter-accurate RTK guidance
- Built for commercial-scale jobs
- Handles up to 6 acres
- Centimeter-accurate RTK guidance
- Built for commercial-scale jobs
Navimow on real lawns — from our installs and reviews
Can a Robot Mower Handle a 40% Slope? Bucks County X430 Install Can a robot mower handle steep hills? We put a Segway Navimow X430 on a 40%+ berm in Bucks County, PA — close to an acre, dozens of young trees. Here's how it went. Read it → 
Navimow Signal Enhancement Antenna: Do You Need a Second RTK Unit? Navimow mows the front fine but goes yellow out back? That's the edge of RTK range. When a second antenna is the fix, where to mount it, and what it costs. Read it → 
NetRTK vs Local RTK on a Navimow: Which Should You Run? Every Navimow runs one of two correction paths: NetRTK over the internet, or your own base station's direct radio link. How each works and when to switch. Read it → 
Can You Add More Blades to a Segway Navimow? Yes — 18 of Them Every Segway Navimow ships with 12 blades — but the discs are drilled for 18. How to fill the three hidden slots on each disc for 50% more cutting edge. Read it → 
5 Navimow Upgrades That Actually Work (and One to Skip) Five Navimow upgrades we actually run as a dealer — more blades, pre-built discs, a dry-window schedule, antenna height, outdoor WiFi — and the one to skip. Read it → 
Navimow Blade Replacement: How Often, How To, and Titanium How often to replace Segway Navimow blades (4–6 weeks daily mowing), the new-screws rule everyone breaks, and our honest take on titanium-coated blades. Read it → 26 Navimow posts in all — browse the blog.
Navimow head-to-head
- ⚖️ Navimow Terranox vs Yarbo Pro: The 6-Acre Robot Mowers
- ⚖️ Navimow vs Mammotion vs Yarbo: Which Robot Mower Brand?
- ⚖️ Navimow X430 vs X450: Is the Extra Half-Acre Worth $500?
- ⚖️ Navimow X450 vs Mammotion LUBA 3: RTK or LiDAR?
- ⚖️ Two Navimow X450s or One Terranox? (2–3 Acres)
- ⚖️ Navimow X430 vs LUBA 3 AWD 5000: Which Wins on Rough Ground?
Where Navimow makes our best-of lists
Buying a Navimow
Keep reading
- 🎓 The free Navimow Owner Course
- NetRTK vs local RTK — which to run
- 5 Navimow upgrades that actually work
- Every install and setup guide
Every Navimow, side by side
The same comparison engine the app runs — basics up top, the yard-fit details underneath, then your address to confirm it on your lawn.
| Segway NavimowNavimow X315$1,799 | Segway NavimowNavimow X430$2,499See the X430 → | Segway NavimowNavimow X450$2,999See the X450 → | Segway NavimowTerranox CM120M1$5,499 | Segway NavimowTerranox CM240M1$6,999 | |
|---|---|---|---|---|---|
| Basics | |||||
| Price (MSRP) | ✓ $1,799 | $2,499 | $2,999 | $5,499 | $6,999 |
| Rated coverage | up to 0.5 ac / unit | up to 1 ac / unit | up to 1.5 ac / unit | up to 3 ac / unit | ✓ up to 6 ac / unit |
| Navigation | RTK satellite | RTK satellite | RTK satellite | RTK satellite | RTK satellite |
| Needs a base antenna? | Yes — mounted with open sky | Yes — mounted with open sky | Yes — mounted with open sky | Yes — mounted with open sky | Yes — mounted with open sky |
| Cutting width | 9.3″ | ✓ 17″ | 17″ | 17″ | 17″ |
| Max slope | ~45% | ✓ ~84% | ~84% | ~84% | ~84% |
| Runtime / recharge | 120 min / 60 min | 110 min / 90 min | 120 min / 90 min | 145 min / 150 min | 180 min / 180 min |
| Drive | RWD | AWD (4WD Xero-Turn) | AWD (4WD Xero-Turn) | AWD | AWD |
Details — fit to your yard
| Cutting height range | 2–4″ | 0.75–4″ | 0.75–4″ | 2–4″ | 2–4″ |
|---|---|---|---|---|---|
| Multi-zone support | Multi-zone with virtual channels | Multi-zone with virtual channels | Multi-zone with virtual channels | Commercial multi-zone | Commercial multi-zone |
| Obstacle avoidance | VisionFence camera + bump | VisionFence camera + bump | VisionFence camera + bump | Camera + bump | Camera + bump |
| Rain behavior | Rain sensor — waits, resumes | Rain sensor — waits, resumes | Rain sensor — waits, resumes | Rain sensor — waits, resumes | Rain sensor — waits, resumes |
| Noise level | ✓ 60 dB | 68 dB | 68 dB | 68 dB | 68 dB |
| Battery pack | 6Ah pack | 10.2Ah pack | 12.8Ah pack | 20Ah pack | 25Ah pack |
| Replacement battery | ✓ $220.79 | $489.11 | $489.11 | $645.96 | $715.29 |
| Weight | — | 64 lb | 64 lb | — | — |
| Connectivity | 4G + Wi-Fi + Bluetooth | 4G + Wi-Fi + Bluetooth | 4G + Wi-Fi + Bluetooth | 4G | 4G |
| App control | Per-zone schedules · no-go zones · app boundary editing | Per-zone schedules · no-go zones · app boundary editing | Per-zone schedules · no-go zones · app boundary editing | Fleet-oriented app / commercial dashboard | Fleet-oriented app / commercial dashboard |
Advanced — the enthusiast layer
| Positioning system | EFLS RTK — base antenna + vision assist | EFLS RTK — base antenna + vision assist | EFLS RTK — base antenna + vision assist | RTK — base antenna | RTK — base antenna |
|---|---|---|---|---|---|
| Sensor suite | VisionFence camera | VisionFence camera array | VisionFence camera array | — | — |
| Edge cutting | Edge-follow pass | Edge-follow pass | Edge-follow pass | — | — |
| Cut pattern | Systematic stripes | Systematic stripes | Systematic stripes | Systematic stripes | Systematic stripes |
| Anti-theft | GPS tracking + PIN lock | GPS tracking + PIN lock | GPS tracking + PIN lock | GPS tracking | GPS tracking |
| Weather rating | IP66 | IP66 | IP66 | — | — |
| Turning | — | Zero-turn (4WD) | Zero-turn (4WD) | — | — |
| Modularity & extras | — | MowGate compatible (gates between zones) · 2× 180W motors | MowGate compatible (gates between zones) · 2× 180W motors | Commercial-class (property managers, acreage) · 2× 180W motors | Commercial-class (property managers, acreage) · 2× 180W motors |
✓ = best in that row. — = we confirm the current spec with you on your call. Specs and pricing change — verify before buying.
Segway Navimow — common questions
Which Navimow should I buy?
By mowable acreage, not lot size: the X315 to half an acre, the X430 to one acre, the X450 to 1.5 acres — with proven headroom to about 1.9 on an open, well-installed lawn — and the commercial Terranox CM120M1 and CM240M1 for 3 and 6 acres. Map your lawn free and the tool sizes it; the difference between the X430 and X450 is the subject of its own comparison here.
Does a Navimow need an RTK antenna?
By default, yes — a reference antenna mounted high, rigid and under open sky, which is the single decision that makes or breaks the install. From a good mount we've measured about 600 feet of range through trees. Where no antenna spot exists, NetRTK delivers the corrections over cellular instead, with trade-offs covered in our NetRTK-vs-local guide.
How does a Navimow handle hills?
Better than the spec sheet suggests. A single X430 works a man-made berm with faces past a 40% grade in Bucks County, PA, and another runs daily on one of Annapolis' steepest lawns. For extreme grades or wet slopes the all-wheel-drive LUBA 3, rated to 80%, is the safer pick — we'll tell you which on the call.
How long does the battery last?
Navimow publishes a roughly 1,500-charge-cycle capacity plateau — the only brand we carry that puts a number on it. How many years that is depends on how often your lawn makes it recharge, which the mapping tool models for your lawn; a replacement pack runs about $221 (X315) to $489 (X430/X450).
Is Zippy Lawnz an authorized Segway Navimow dealer?
Yes — an authorized dealer and service center with certified technicians, genuine OEM parts in stock, and warranty handled here. Hands-on install and service across MD, DE, PA, VA and CO; sales, shipping and remote setup nationwide.
The other brands we carry
Mammotion The LUBA 3 AWD fuses 360° LiDAR, NetRTK and AI vision, so it holds its position under tree cover and after dark, and its four-wheel drive is rated for 80% slopes. Three sizes to 1.25 acres, plus the small-yard YUKA mini. We run five of them on our own 12-acre system. The Mammotion page → 
Yarbo One tracked Core, swappable modules: a 20-inch Lawn Mower Pro rated to about 6 acres per unit, a Snow Blower with a 12-inch intake, a leaf blower. The only single robot that answers both mowing and snow — and the workhorse of our own 12-acre Eastern Shore fleet. The Yarbo page → ⚖️ Navimow vs Mammotion vs Yarbo Which robot mower brand? RTK value, 360° LiDAR, or a modular tracked robot — the brand-by-brand breakdown. Read the comparison →