Yarbo Y40 Lawn Mower Pro Robotic Lawn Mower

14th of 22 we've scored in Wire-Free Robot Mowers

14th of 22 in Wire-Free

Yarbo Y40 Lawn Mower Pro Robotic Lawn Mower

Over 1.5 acres lawn
61-80% slope
RTK + Network RTK + Vision
Over 16 in cut

SVT Score, Mid

Usability5.9/10Social5.5/10The SVT Score is placed on its category's range

Versus

SVT SCORESRead review

A tracked wire-free yard robot with the Lawn Mower Pro module, rated by Yarbo for lawns up to 6 acres and slopes up to 70%.

$5,999

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SKU: YAR-Y40-LM Category: Wire-Free Robot Mowers Brand: Yarbo

Usability

5.9 out of 10

Coverage1rated by Yarbo for 0.25 acre a charge, below the estate scale's first point

Per day: rated by Yarbo for 1.7 acres a day and 6 acres (FAQ) or 6.2 acres (store) with twice-weekly mowing
Runtime: Yarbo's own retail listings give about 120 minutes a charge

Slope9rated for slopes up to 70% (35 degrees)

Navigation & Positioning9wire-free, NetRTK with no station, camera vision, Yarbo's no-sky claim, app zones

In the box: a Data Center base station for addresses outside NetRTK coverage

Cutting & Build920 in cut, 3.2 in height range, cuts down to 0.8 in, tracked AWD, IPX6, rated 60 dB

Safety & Smart Features8lift and tilt stop, camera obstacle sensing, rain sensor, GPS anti-theft, 4G, zone schedules

4G: one year of service included, then $79.90 a year in the US
Not found: no PIN lock and no published obstacle class

Verification2no 60335-2-107 listing for the core or the module

Searched: Intertek Certipedia CSA UL

Better on verificationNavimow X390$4,499Scores 4.0

Warranty & Support5two years on the core, battery, dock and mower module

Extension: an optional three-year AIG plan bought within 60 days brings cover to five years
Excluded: tracks, antennas, blades, discs and caster wheels are consumables

Price

Kit: with Blower $7,099.00; with Trimmer $7,299.00; with Snow Blower Gen 2 $8,199.00; with Blower and Trimmer $8,399.00; with Snow Blower and Blower $9,299.00; with Snow Blower and Trimmer $9,499.00; with all three $10,599.00

Strengths

No boundary wire to bury
Wide cut with a choice of blades
Theft alarm with GPS tracking
Core swaps to snow and leaf modules
Tracked drive grips steep uneven terrain

Drawbacks

Very heavy to move or lift
Setup and mapping take a long time
Covers little lawn on each charge
Positioning can drift under heavy tree cover
Cellular service costs extra after the first year

Verdict

Built for big, steep acreage, but heavy and slow to set up

Social score

5.5 out of 10

RedditNot scored

The Reddit pool is blank: r/Yarbo carries Yarbo's shop links and is not counted, and the Reddit threads found on a Yarbo mower sit in that subreddit (Nov 2026).

Google6 out of 10

Liked

little day-to-day effort
customization options
part of a multi-season robot

Complaints

extremely heavy
arduous setup
struggles in tight corners

Read the full summary

Reviewed (Anna Lane) ran the Y40 with the Lawn Mower Pro on a 12,000 sq ft Los Angeles lot: about three hours to assemble, then steady upkeep with little effort, but trouble on roots and stepping stones (Jul 2026)

YouTubeNot scored

The YouTube pool is blank: every Yarbo mower tester found carries Yarbo affiliate or commission links, so none is counted (Nov 2026).

Amazon5 out of 10

Liked

keeps a 2-acre lawn mowed
customer service

Read the full summary

Amazon US listing B0FQTQ1M98 (Y40 core with the Lawn Mower Pro module): 3.9 stars from 8 ratings, 57% five-star and 9% one-star (read Nov 2026)

User reviewsNot scored

No US retailer listing of the Yarbo mower read showed ten native reviews (Nov 2026).

Trustpilot

Trustpilot shows 3.1 from 129 reviews, 42% five-star and 25% one-star, on a claimed page that invites reviews (Sep 2026).

Track record

BBB rates Yarbo Inc. of Lake Ronkonkoma, New York F, not accredited, with 16 complaints closed in three years (Sep 2026).
No CPSC or Health Canada recall of a Yarbo mower was found (Nov 2026).

Not countedExcluded

Not counted in any pool: Yarbo's own store reviews and owner quotes, its Facebook groups and YouTube channel, r/Yarbo, which carries Yarbo's shop links, and testers paid through Yarbo's affiliate program.
The retailer pool is blank: Lowe's and Walmart list Yarbo kits, no listing of this configuration read showed ten native reviews, and Home Depot, Best Buy and REI do not carry it (Nov 2026).

Specs

TypeEstate
BoundaryWire-free
NavigationRTK, Network RTK, Vision
Rated AreaOver 1.5 acres
Area per Charge0.11-0.25 acre
Slope61-80%
Cut WidthOver 16 in
Cut Height RangeOver 3 in span
DriveAWD or 4WD
Noise56-60 dB(A)
Ingress RatingIPX6
ConnectivityWi-Fi, Bluetooth, 4G included
CertificationsNone verifiable
Warranty2 Years

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At a glance

Wireless charging dock
500 lb towing
Straight or disc blades
Live camera view in app

Company

The brand belongs to Shenzhen Hanyang Technology Co., Ltd. of Shenzhen, China, which holds the FCC grants for the Yarbo Core.
The company builds its range around modules that swap with the seasons.

Where it sells

Yarbo robot mowers are sold in the US by Yarbo International Inc. of Rolling Meadows, Illinois, the US party named in the Lawn Mower Pro manual.
Yarbo sells its mowers on its own store at yarbo.com.
Yarbo also sells them through a YARBO store on Amazon.
Lowe's lists Yarbo kits online with Yarbo as the seller.

Description

The Yarbo Y40 Lawn Mower Pro is the Y40 Core, a tracked yard robot, sold with the Lawn Mower Pro module, its wireless docking station, a 38.4Ah Y Series battery, a Data Center base station and two rover RTK antennas.

Yarbo rates it for 0.25 acre on one charge, 1.7 acres a day and 6 acres (6.2 on the store page) with twice-weekly mowing, on slopes up to 70% (35 degrees).

The module cuts a 20 inch path from 0.8 to 4 inches high with two 300W motors on cutting discs or straight blades, carries an IPX6 rating and is rated by Yarbo at 60 dB.

It positions by NetRTK where Yarbo's network coverage reaches, with stereo cameras, an IMU and odometry, and its built-in 4G comes with one year of service. The mower module measures 27 x 29 x 16 inches and weighs 32.2 kg (71 lb).

Yarbo also sells the core and mower module as kits: with the Blower $7,099.00, with the Trimmer $7,299.00, with the Snow Blower Gen 2 $8,199.00, with the Blower and Trimmer $8,399.00, with the Snow Blower and Blower $9,299.00, with the Snow Blower and Trimmer $9,499.00, and with all three $10,599.00.