Goal-based/Robot Lawn Mowers/2 robots compared/Reviewed Sep 13, 2026
Mammotion LUBA 4 AWD vs Yarbo S1: what is each built for?
View recordMammotionIVLUBA 4 AWD
Full specifications18 measurements · 20 of 36 documented
The investigation
5 questions this comparison examines
What task scope does each platform cover?
LUBA 4 AWD cuts grass across three coverage tiers with an optional edge-trim arm. Yarbo S1 mows, blows snow, and clears leaves through swappable attachments.
Mammotion LUBA 4 AWD
Yarbo S1Mammotion lists three separate coverage tiers, 3,000, 6,000 and 12,000 square meters, sold as distinct SKUs rather than one adjustable unit.
Yarbo's documentation describes one Core chassis accepting three separate task attachments, mower, snow blower and leaf blower, which the manufacturer says install without tools.
How does each machine navigate without a wire?
Neither robot requires a buried perimeter wire or an owner-placed base station. The two arrive at that result through different sensor combinations.
Mammotion LUBA 4 AWDYarbo S1Mammotion's specification sheet lists 360-degree LiDAR, four wide-angle AI cameras and a network RTK service as the combined positioning stack, with no base station listed as included hardware.
Yarbo ships a physical reference unit, called the Data Center, in the box alongside the Core chassis, rated at plus or minus 2 centimeters.
How much ground can each cover?
Coverage and slope tolerance are both manufacturer-published figures. Neither has been independently verified in the field.
Mammotion LUBA 4 AWDYarbo S1Mammotion states the LUBA 4 AWD line is rated for 80 percent slope, about 38.6 degrees, using an all-wheel-drive chassis with floating cutting discs; the figure is unverified independently.
Yarbo's retailer specification sheet lists a 70 percent maximum slope and a 20-inch cutting width, with no drivetrain configuration published for the mower module.
What does each cost, and can you buy one?
One platform has a set price and years of retail history. The other has neither, as of this record.
Mammotion LUBA 4 AWDYarbo S1Mammotion has said preorders for the LUBA 4 AWD series open later in 2026 with no price published for any of the three variants and no retail listing live.
Yarbo lists the Core plus S1 snow blower module at $4,999 and states it sells direct and through Amazon, Lowe's, Walmart and Wellbots.
What independent evidence exists for each machine?
Both records draw on manufacturer documentation. The volume and source of everything beyond that differs sharply between the two.
Mammotion LUBA 4 AWDYarbo S1No independent test or teardown of the LUBA 4 AWD has been published; the record's three sources are Mammotion's own product page, one trade-show report, and Mammotion's support portal.
Freshly Charged's documented winter test and an FCC equipment filing with internal component photos both exist for the Yarbo S1, alongside CNET's 2024 launch coverage and a Reddit owner thread.
In closing
What the evidence shows
Patterns that emerged across the questions above.
Coverage scope, not overlap, separates them
LUBA 4 AWD spans three mowing-only size tiers up to roughly three acres; Yarbo S1 covers one size but adds snow and leaf tasks to the same chassis.
Only one carries a price and history
Yarbo S1 has sold since October 2023 with a published $4,999 price and retail listings; LUBA 4 AWD has no price, no ship date, and no independent testing on record.
Wire-free navigation is shared; sensors are not
Both eliminate a buried perimeter wire, but LUBA 4 AWD adds LiDAR and cloud-served RTK while Yarbo S1 relies on dual-antenna RTK-GNSS with its own bundled reference station.
Common questions