Yarbo Y40 Lawn Mower Pro
Yarbo's modular yard robot set up as a mower for big properties: rated to 6 acres with twice-weekly mowing (about 1.7 acres a day), a 20 in cut, tracks for 70% slopes, and RTK plus cameras; the same core takes snow and leaf modules.
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
- 4.2
- Coverage per dollar
At a glance
Yarbo Y40 Lawn Mower Pro (Yarbo Y40 Lawn Mower Pro) covers up to 24,281 m², handles slopes to 70%, and navigates with RTK + Vision. It starts at $5,499 at Yarbo Store, across 2 ways to buy.
- Max lawn area
- 24,281 m² (6 acres)
- Max slope
- 70% (35°)
- Navigation
- Wire-free RTK GNSS (Data Center base or network RTK) with binocular AI vision, tracked drive
- Price
- from $5,499
- Cutting
- 50 cm (19.7 in) cut, 20 to 100 mm (0.8 to 3.9 in) height, about 60 dB
- Boundary
What it's built for
A tracked Y40 core carries the Lawn Mower Pro module's twin 300 W cutters across 70% grades and rough ground, positioning by RTK from its own base station or network RTK, while binocular cameras and ultrasonic sensors watch for obstacles.
Full spec sheet
The specs that decide a robot-mower purchase, in one place.
Ways to buy Yarbo Y40 Lawn Mower Pro
Every way to buy, cheapest first.
The cheapest way to buy Yarbo Y40 Lawn Mower Pro is $5,499 (brand store) via Yarbo Store, across 2 tracked ways to buy it.
- YSYarbo StoreCheapestBrand store
Yarbo Y40 Core with Lawn Mower Pro Module
$5,499Check priceYarbo US store (early-bird sale to Oct 6; list $5,999) - AAmazonMarketplace
Yarbo Y40 Core with Lawn Mower Pro Module
$5,499Check pricenew, sold by Amazon.com (non-returnable there; Yarbo's store takes returns for 30 days)
Prices are street prices you pay, not the MSRP above. They change often; each links to its source. Prices re-verified 2026-10-02. BestRobotMower.co is an independent comparison site; confirm the current spec and price with the manufacturer or seller before buying.
Yarbo Y40 Lawn Mower Pro vs the alternatives
The models most cross-shopped against this one, head to head.
Yarbo Y40 Lawn Mower Pro FAQ
How big a lawn can the Yarbo Y40 Lawn Mower Pro mow?
It is rated for lawns of 24,281 m² (6 acres), and starts at $5,499 at Yarbo Store. Rated coverage is a maximum on an open lawn; a complex or obstacle-filled yard covers less.
How steep a slope can the Yarbo Y40 Lawn Mower Pro handle?
It is rated to 70% (35°) slope.
Does the Yarbo Y40 Lawn Mower Pro 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 Yarbo Y40 Lawn Mower Pro mow in the rain?
Rain detection (IPX5 on the core's spec).
Is the Yarbo Y40 Lawn Mower Pro protected against theft?
4G GPS tracking, geofence alerts and movement notifications (4G free for a year, then a paid plan).
How does the Yarbo Y40 Lawn Mower Pro avoid obstacles like pets and toys?
Binocular cameras, ultrasonic sensors and a bumper detect obstacles in its path, according to the maker.