Navimow Terranox vs Yarbo Pro: The 6-Acre Robot Mowers
| Segway NavimowTerranox CM240M1$6,999 | YarboYarbo Y40 Lawn Mower Pro$5,999See the Yarbo Y40 Pro → | |
|---|---|---|
| Basics | ||
| Price (MSRP) | $6,999 | ✓ $5,999 |
| Rated coverage | ✓ up to 6 ac / unit | up to 6 ac / unit |
| Navigation | RTK satellite | RTK + camera vision |
| Needs a base antenna? | No | Yes — mounted with open sky |
| Cutting width | 17″ | ✓ 20″ |
| Max slope | ✓ ~84% | ~70% |
| Runtime / recharge | 180 min / 180 min | 120 min / 90 min |
| Drive | AWD — 4WD, dual independent steering motors | Tracked |
Details — fit to your yard
| Cutting height range | 0.75–4″ | 0.8–4″ |
|---|---|---|
| Multi-zone support | Up to 120 zones · GeoSketch mapping | Multi-zone |
| Obstacle avoidance | VisionFence — 360° RGB camera + ToF, 200+ object classes | AI vision + ultrasonic + bump |
| Rain behavior | Rain sensor + weather-forecast hold | Rain detection |
| Noise level | 68 dB | — |
| Battery pack | 25Ah / 540Wh pack | 38.4Ah Y Series pack |
| Replacement battery | ✓ $715.29 | $1,199 |
| Weight | 66 lb | 230 lb |
| Connectivity | Cellular + Wi-Fi + Bluetooth (NRTK & Connect+: 2 yrs free, then $59.90/yr) | Wi-Fi + Data Center HaLow · 4G kit (1 yr service) |
| App control | NavimowFleet — fleet dashboard (app + web portal), per-zone tasks, remote map edits | Per-zone schedules · no-go zones |
Advanced — the enthusiast layer
| Positioning system | EFLS NRTK — network RTK over cellular + 360° vision + VIO, no base antenna (Signal Enhancement Antenna supported) | RTK — Data Center base on the home + stereo vision |
|---|---|---|
| Sensor suite | 360° RGB camera array + ToF | Stereo cameras + ultrasonic array |
| Edge cutting | Edge Sense — perimeter distance + overlap settings | — |
| Cut pattern | Systematic stripes | Systematic |
| Anti-theft | GPS tracking · PIN · lift + out-of-boundary alarms · proximity unlock | GPS tracking |
| Weather rating | IP66 | IPX5 |
| Turning | 4WD with dual independent steering motors | Zero-turn (tracks) |
| Warranty | 2 years mower + dock · 1 year battery | 2 years |
| Modularity & extras | Commercial-class · 2 discs / 12 blades, floating + anti-clogging · auto cut height · 2.8″ vertical passing · MowGate magnet built in · 3.5″ LCD · OTA | MODULAR Core: swap mower ↔ snow blower ↔ blower ↔ trimmer · dual 300W cut motors |
✓ = best in that row. — = we confirm the current spec with you on your call. Specs and pricing change — verify before buying.
Also worth noting
| Terranox CM240M1 | Yarbo Y40 Lawn Mower Pro | |
|---|---|---|
| Class | Dedicated commercial mower | Modular year-round yard robot |
| Year-round modules | Mower only | Swaps to snow blower + leaf blower |
| Drive | Wheeled AWD | Tracked (zero-turn) |
| Roughly | Higher price · purpose-built | Lower price · does more jobs |
When your property runs into multiple acres, the shortlist narrows fast — most robot mowers top out around 1.5 acres. Two that don’t: the Segway Navimow Terranox and the Yarbo Pro, each rated to about 6 acres per unit. The spec table above lines them up; the real decision is what kind of machine you want behind that coverage.
Same coverage, different machines
The Terranox (the CM240M1 here) is a dedicated commercial-grade mower — wheeled all-wheel drive, a 17″ dual-disc deck driven by dual 180W motors, built for long daily runs on big turf. It’s Navimow’s answer for property managers and acreage owners who want one job done well: mowing, at scale.
The Yarbo Pro gets to the same ~6 acres a different way: a tracked robot with a 20″ deck, built to crawl over rough, ditched, uneven ground. And it’s part of the modular Yarbo Core — which is the whole story below.
The Yarbo’s ace: it’s not only a mower
The Terranox mows. The Yarbo Core swaps modules — the same robot becomes a snow blower or a leaf blower. On a big property, that’s a genuine year-round labor saver, and it’s a big part of why the Yarbo Pro costs less than the Terranox while arguably doing more. If your acreage comes with a long winter driveway and a fall full of leaves, that versatility is hard to ignore.
When the Terranox still wins
Modularity isn’t free of trade-offs. The Terranox is a purpose-built mower with Navimow’s commercial ecosystem, wheeled AWD that’s efficient on open turf, and a single-job simplicity some operators prefer. For a pure large-scale mowing operation — a landscaper, an HOA, a big open estate — a dedicated machine can be the more reliable, more efficient choice.
So which should you buy?
- Buy the Navimow Terranox for dedicated, large-scale mowing on open acreage, especially in a commercial or property-management setting.
- Buy the Yarbo Pro for value and versatility — rough or ditched ground, a lower price, and a robot that also clears snow and leaves through the year.
And one more option worth weighing on 2–3 acres: instead of a single commercial machine, two residential mowers as a team can cost about the same, cut in roughly half the time, and give you a backup. Which route wins comes down to your exact acreage and layout — the free lawn check sizes all of it. (More in best robot mower for large lawns.)
Frequently asked
Terranox or Yarbo Pro for a large property?
Both are rated to about 6 acres per unit, so either can handle real acreage. The Navimow Terranox is a dedicated commercial-grade mower on wheeled all-wheel drive — the pick if mowing at scale is all you need, with Navimow's ecosystem behind it. The Yarbo Pro costs less, runs on tracks for rough ground, and is modular — the pick if you also want snow and leaf duty or better value.
Does the Yarbo really cover as much as the commercial Terranox?
On paper, yes — both are rated to roughly 6 acres per unit. The difference is how they get there: the Terranox is a purpose-built commercial mower, while the Yarbo Pro is a large tracked platform that happens to also cover that much. On very rough or ditched ground the tracks help the Yarbo; on open acreage the wheeled Terranox is efficient.
Which is cheaper?
The Yarbo Pro is the lower-priced of the two — and it does more than mow, since the Core swaps to a snow blower or leaf blower. The Terranox costs more as a dedicated commercial machine. For a big property where you also dread the winter driveway, the Yarbo's math is hard to beat.
Are these overkill for a normal yard?
For most residential lawns, yes. If your mowable area is under ~1.5 acres, a Navimow X450 or a Mammotion LUBA 3 is the right size and far less money. The Terranox and Yarbo Pro earn their keep on multi-acre properties — or you can run two smaller mowers as a team, which is sometimes the better play. We size it either way on your free lawn check.
Keep reading
Buying guideBest Robot Mower for Large Lawns (2026): Yarbo vs Navimow vs MammotionThe best robot mowers for large lawns and acreage — LUBA 3, Navimow X450, Yarbo Pro and the commercial Terranox — matched to your acres, from 1 to 6+.
Customer InstallsNavimow Terranox vs. Parked Cars: A 3-Acre Install in Chester, MDA Segway Navimow Terranox on a 3-acre Chester, MD lawn: why oversizing is the right call, a 33% blade upgrade for thick turf — and mowing around parked cars.
Commercial & Sports FieldsNavimow Terranox: The Real Math Behind 6 Acres — and How to Get ThereThe Terranox is rated for 6 acres — as a 24/7 lab number. The real math: dew windows, ~1 acre per day per unit, and how to spec a fleet for any big property.Explore the system
The mowers and pages behind this topic — see them sized to your yard.