Yarbo Y40 Core + Lawn Mower Pro Review

Yarbo Mower Pro specs

• Rated for up to 6 acres. Slope is stated as 70% (35°).
• The 20" dual-disc deck and 1.2–4.0" height come from reviews of the original mower module. Yarbo says the Mower Pro cuts as low as 0.8"; its deck width isn't published.
• Price tier is for the Y40 Core + Lawn Mower Pro bundle. The mower module is sold alone if you already own a Core. Snow blower and other modules are extra.
• Yarbo now advertises NetRTK network corrections, "free for life", with no base station needed where coverage exists.
• 4G is a separate plan (about $29.90).
• Noise (60 dB) is from Freshly Charged. IP rating not published. Warranty is 2 years.

Specs are compiled from manufacturer listings and may change between production runs. Confirm on the retailer page before buying.

The Yarbo Y40 Core with Lawn Mower Pro is less a robot mower than a robotic yard platform: a tracked base unit that mows up to 6 acres in summer and, with extra modules, clears snow, blows leaves and trims. Stuff and Freshly Charged both found it capable on big, open properties, and both warned about involved setup and weaker results in tight spaces. At a flagship-tier price for the mower bundle alone, buy it for acreage and winter duty, not because it’s a better mower.

Who the Yarbo Lawn Mower Pro is for (and who should skip it)

It’s for owners of large properties, roughly 2 to 6 acres, who also have a long driveway to clear in winter and would otherwise own a riding mower, a snow blower and a leaf blower. On that kind of property, the price starts to look like equipment replacement rather than a luxury. Tracks and a 70% (35°) rating also make it a candidate for rough or hilly acreage.

Skip it if:

• Your lawn is under 2 acres and you don’t need snow clearing. A wheeled robot like the Navimow X3 costs less and is simpler.
• Your yard is cluttered with beds, trees and borders. Freshly Charged found cut quality dropped in tight areas.
• You want set-and-forget. Reviews and owner reports describe a learning curve and ongoing tinkering.
• You can’t place antennas with clear sky, or lack NetRTK coverage. Positioning depends on RTK.

How the Yarbo modular platform works

Everything starts with the Yarbo Core, the tracked, battery-powered rover that does the driving, navigation and charging. Stuff put its weight at almost 60 kg (about 130 lb) on its own. Task modules bolt on top or in front:

A tow hitch is included, and Stuff found it useful for pulling a garden cart of mulch. Yarbo claims a towing capacity of 1,600 kg, which is more marketing than practical spec. Swapping modules isn’t quick: Stuff described it as “less click-and-snap, more lift-and-sweat,” though each module is “rock solid” once attached. Freshly Charged rated the snow blower the strongest performer, in a category with almost no autonomous alternatives.

If you already own a Core, you can buy the Lawn Mower Pro module on its own. Bundles that add the Snow Blower Gen 2 cost considerably more, and a fully kitted system, as Stuff priced it, costs more again.

Navigation and setup

The Yarbo uses RTK positioning plus dual vision cameras and onboard sensors. Freshly Charged lists ultrasonic radar, a bumper and cliff sensors. Reviewers set it up with Yarbo’s base station. Stuff ran an Ethernet cable out a window to mount the RTK antenna on a garage roof, powered over PoE. Yarbo now advertises NetRTK, a network correction service it describes as free for life that removes the base station where coverage exists. We haven’t seen it reviewed, so check the coverage map before relying on it.

Setup is a project. Stuff said unboxing alone took most of an afternoon, the dock is heavy and must be anchored, and you map by driving the robot around each boundary with the remote or app. It recommended a second person and a full weekend. Freshly Charged warned that a badly placed base station means redoing the whole map, and relayed an owner’s experience of tedious setup and support calls complicated by language barriers and time zones. Yarbo’s site now lists an onsite installation service, which is worth asking about. See our setup guide for planning tips.

Mowing performance, slopes and terrain

On open ground the Yarbo does well. Stuff said the flexing deck and tracks rolled over a lumpy root patch “like it was nothing,” and the lawn was evenly cut, if not always in perfect stripes. Yarbo rates the Core for 70% slopes (35°) and says tracks hold traction on wet grass, but ratings assume good conditions. Stuff’s unit clogged and quit on a soggy afternoon, and Yarbo advises mowing dry. Our slope limits explainer covers how much margin to leave.

Tight spaces are the weak spot. Freshly Charged found that obstacles force repeated multi-point turns that flatten grass, so cut quality in those zones lags behind open stretches. Stuff saw thin patches near the dock after many-point turns, and Freshly Charged’s owner contact reported torn-up turf at driveway entry and exit points.

Coverage and cutting

Reviews of the original mower module describe a 20” dual-disc deck with five blades per disc and a 1.2” to 4.0” range. Yarbo says the Mower Pro’s straight blades cut as low as 0.8”, though it doesn’t publish the Pro deck’s width. Yarbo quotes up to 1.7 acres per day, with auto-recharge below 20% and resume above 80%. Stuff’s unit finished its garden in about two hours with 40% battery left. Noise is about 60 dB according to Freshly Charged, and Stuff said you could hold a conversation next to it.

App, connectivity and anti-theft

The app handles mapping, zones, schedules, patterns and module settings. A highlight for owners is Live Yard View: you can watch the cameras and drive the robot remotely, which owners on Yarbo’s site use to rescue it from obstacles. Stuff noted the app isn’t good at surfacing errors such as clogged blades.

4G is a separate subscription (Yarbo lists 3-month and 1-year plans). Without it, mowing still works, but you lose remote access beyond Wi-Fi, live view away from home, and GPS-assisted tracking with boundary alerts. Given the price, budget for it. See our theft protection guide.

Ownership notes

• Warranty: 2 years, with an optional 3-year extension in some regions. Returns within 30 days.
• Reliability: Freshly Charged described an “early-adopter tax” of connectivity drops and forum-based troubleshooting. Even owner reviews on Yarbo’s product page include complaints about map drift, slow support, and broken tracks with replacement parts unavailable.
• Delivery: expect a pallet of heavy boxes, and plan storage for idle modules.

How the Yarbo compares

The Segway Navimow X3 is the better pure mower for large, gently sloped lawns up to 2.5 acres, with simpler setup. The Lymow One Plus is the tracked alternative for steep, rough ground at about half the price, but it only mows. For broader context, see our best mowers for large lawns, robot mower vs riding mower and best mowers for hills.

Bottom line

The Yarbo is the only consumer robot here that mows multi-acre lots in summer and clears snow in winter. On big, open properties it does the job, and the snow module has almost no competition. But setup takes a weekend, tight areas expose its limits, and owners report reliability and support headaches. Buy it for the acreage and the snow blower, and go in expecting to tinker.

Check the current price on Amazon

Sources

• yarbo.com
• freshlycharged.com
• stuff.tv