Best Robot Lawn Mowers for Large Lawns

If you own a large lawn, you might understand the pain of mowing it. It’s difficult for an individual to spare time and mow a large lawn, and if you hire someone, it will cost a lot for regular maintenance.

Undoubtedly, robot lawn mowers have made lawn mowing automatic and relieved the burden from lawn owners. But finding a lawn mower for large or commercial lawns is another challenge, as most robot mowers are for small to medium lawns.

To solve this problem for lawn owners, we are here with the best robot lawn mowers for large lawns: The Navimow X390, Navimow X4 Series, Navimow H220, and Navimow Terranox. These are high-tech mowing beasts that can mow a large lawn with perfection and maintain it at a minimal cost. Let’s get into their features, specifications, and other details.

The Navimow X390

The whole Navimow “X3” series is made for mowing large lawns. They can mow from 0.5 to 2.5 acres of large lawns with great precision. You can pick any of the members of the “X3” series. However, the X390 is the most powerful one for massive area coverage.

For 2.5 Acres

The Navimow X390 is for lawns up to 2.5 acres. It’s capable of dealing with an area this large efficiently and in minimal time.

There are two primary reasons it’s an ideal option for large lawns. One is the incredible battery backup. It can work 240 minutes (4 hours) continuously if fully charged, which means it will require minimal recharging and attempt to mow the lawn.

The second reason is the ultra-fast charging. It enables the robotic lawn mower to recharge fully within 100 minutes, which is even less than half of the running time. It makes the lawn offer 2X faster mowing efficiency to save time and allow the mower to quickly finish the job.

Precise Positioning with EFLS™ 3.0

The X390 is equipped with the most advanced EFLS™ (Exact Fusion Locating System) 3.0. It makes the positioning of the lawnmower extremely precise.

It works on three advanced technologies. The first one is the RTK (Real-Time Kinematic), which improves the GNSS errors with its reference antenna. Thus, even if the satellite signals are weak, the lawnmower will be able to understand its position.

The second one is VSLAM (Visual Simultaneous Localization and Mapping). Using the camera, the robot mower is able to see and understand the environment. If the RTK signal is lost, the VSLAM works and helps the mower to localize the position within the map by looking at the static features in the lawn.

The last one is the VIO (Visual Inertial Odometry). It uses the data from the camera and other sensors to track the motion for navigation.

All help the mower navigate in complex lawns. No matter if there are multiple zones and tight areas, it works everywhere.

Identifies 200+ Obstacles

The X390 is capable of identifying 200+ obstacles in your lawn. Be it your fixed items, such as furniture, fountains, and slides, or everyday obstacles like toys, books, and footballs, it senses everything. It’s even capable of detecting suspended objects, such as hanging chairs, balloons, and swings. Many robotic lawnmowers lack this detail.

It’s perfectly human and pet-friendly. With its 300⁰ wide-angle view, it can detect humans up to 3 meters and automatically slows down its speed. It’s safe for children and your family members.

It can not only detect animals but also identify 24 types. It knows what kind of animal is there. It automatically changes its path without disturbing the pet or wildlife.

Made for Complex Lawns

The Navimow X390 is made for complex lawns. It masters different types of harsh terrains. It has a large wheel diameter of around 10 inches for better traction. Along with the powerful motor, extended wheel base, and optimised weight distribution, it’s capable of working in almost any lawn.

It can work on areas up to 27⁰ slope, which is incredible. Its Traction Control System (TCS) precisely controls the movement of the wheels and prevents slipping, acceleration, and movement to ensure high stability.

AI-Assisted Mapping

It’s a wire-free robotic lawnmower. There is no physical wire boundary. The notable feature is that it does not require manual mapping to understand the area. Instead, it uses AI-assisted mapping to automatically understand your lawn. It covers every area and patch and ensures accurate positioning.

Weather Monitoring and Voice Control

It monitors real-time weather forecasts. It knows when it’s the best time to mow the lawn. Even if you have scheduled mowing and it has started raining, it will return to the dock, which will not only save the lawnmower but also the lawn from various issues.

It’s compatible with Alexa and Google Home. Users can use voice commands to direct their robotic lawn mowers. They can start, stop, and schedule without opening the app. It makes maintaining lawns effortless.

Auto Recharge & Resume

What makes the Navimow X390 different from common robotic lawnmowers is its ability to recharge and resume. If you have scheduled any task and its battery has drained, it will automatically go to the recharging station. Then, it will resume its work without any new command or human intervention. It knows how to complete its job.

60dBA Quiet Operation

The X390 is known for its powerful operation. But it’s extremely quiet. It can work in your lawn without disturbing your family members and neighbors.

You can even use the mower at night. It is equipped with night vision to perfectly cut grass in low-light conditions. Thus, you don’t have to wait for the next day if there is a special event or occasion.

Special Add-ons

It’s already equipped with incredible features. However, you can also use some add-ons or accessories.

At the moment, there are three add-ons available. The first one is the trimmer. You can attach it to the lawnmower and it edges your lawn with perfection.

The second one is the mosquito repellent module. It helps you get rid of mosquitoes in the lawn so that you can enjoy it.

The last one is the fertilizer spreader. With this, you can even spread fertilizer on your whole lawn without any effort.

Thus, the X390 offers an ecosystem and allows you to get more out of your lawnmower.

The Navimow X4 Series

The Navimow X4 series is perfect for any kind of large lawn, irrespective of the terrain, grass type, and obstacles. With its advanced technology, it’s highly efficient for large yards and offers incredible results in minimal time.

For 1 and 1.5 Acres

The X4 series currently has two models, X430 and X450. Both of them are suitable for large lawns. The X430 can mow lawns up to 1 acre, while the X450 can handle lawns up to 1.5 acres.

They offer incredible efficiency. Firstly, they are equipped with a 17-inch deck that mows a wider area at a time. Because of dual-disc and 12 blades, the deck offers 1.8x the coverage of single-disc systems. Not only that, but they travel at 2.6ft/s to cover large lawns in minimal time.

With 224W super-fast charging, the charging time is only 90 minutes. Once they are fully charged, they can mow for 110 minutes without any interruption.

All Wheel Drive (AWD) for All Terrains

One of the key features of the X4 series is that it offers All Wheel Drive (4WD). It uses all its wheels to power the lawnmower, which makes it capable of conquering all types of terrains.

Usually, lawnmowers, including the traditional and robotic lawnmowers, do not work on steel slopes. However, X4 mowers can handle up to 84% (40⁰) incline, which is exceptional. Its 5:5 balanced center-of-gravity distribution does not let it skid over a slope and maintains enough traction.

The mower is made for all terrains. It goes over border curbs, potholes, and performs well on dips and bumps across the lawn. The best part is that it even works on a gravel path with a steep slope. The dual suspension gives superior control in all types of terrains.

For bumpy and uneven lawns, the mower has a Traction Control System (TCS), which adjusts the wheel torque to prevent slipping. Secondly, there is an adaptive blade system, which keeps the blade floating on uneven grounds to prevent scraping and lawn damage.

Xero-Turn™

The Xero-Turn™ is what sets the X4 series apart from any kind of robotic lawnmower and even the bulky zero-turn mowers.

The mowers are capable of making a zero-turn without damaging the turf. Their front-wheel zero-turn steering is pretty smooth. Due to enough traction and agility at the same time, the mower can turn 360⁰ without tearing the turf, which means it solves the age-old problem of traditional zero-turn mowers.

The notable feature is that the front wheels aren’t free to move like in a normal zero-turn mower. In fact, they can automatically switch between the zero-turn and automotive-grade Ackermann steering. Thus, when normal steering is needed, the front wheels turn into automotive-grade Ackermann steering, and when a sharp turn is needed, the zero-turn steering is activated.

That’s how the mower conquers every lawn and works in complex spaces and tight areas.

MowMentum™ Cutting

The MowMentum™ cutting takes mowing precision, neatness, and speed to the next level. We have already discussed how efficient the mower is because of the wider deck, high speed, and super-fast charging. But there is a lot more.

The technology makes the robotic lawn mowers capable of handling any kind of grass and conditions. Be it thick, long, or dense, it mows everything. It gives incredible results on all grass types.

It is powered by two 180W cutting motors and has a dual-disc system. Which is why it handles tough and long grass. Users can adjust the height between 0.75 and 4 inches, so they can adjust the best cutting height for any grass type.

It’s also equipped with a smart cutting algorithm that automatically detects challenging, tall, and tough grass and lifts blades.

The X4 series never overlooks edges. It can do zero-distance cutting. It mows between the lawn and the curb to ensure there are no grass blades left. If there is a wall or fence, it mows within two inches and ensures your lawn looks immaculate from every corner.

Incredible Navigation Accuracy

X4 mowers can navigate easily in large lawns. They are equipped with EFLS™ NRTK (Network Real-time Kinematics). They get to know the exact position in your large lawn with incredible precision.

NRTK is better than RTK as it works through multiple reference stations and providers. If one fails, there are other stations to help the mower know its exact position. It also mitigates the distance errors and helps the mower achieve centimeter-level accuracy.

The best part is that there is no need to install any local antennas. You just need to connect your mower to the Navimow app.

Along with that, the mower uses 360⁰ VSLAM (Visual Simultaneous Localization and Mapping). It uses cameras to map the area and create the lawn layout. It helps the mower understand the lawn, obstacles, position, etc.

Auto Mapping

The mowers automatically map your lawn. It recognizes the boundaries and creates a freehand virtual map.

With its GeoSketch real-scene mapping, it uses triple panoramic cameras and ToF sensors to generate real-scene maps for live editing. Users can edit the map on their phone, create zones, and adjust the schedule. They can create up to 120 zones, including no-zone areas, which is more than enough for large lawns.

Because the mapping is automated, you don’t have to walk with the mower to get an idea of the lawn. It accurately detects curbs, fences, flowerbeds, trees, etc.

Obstacle Avoidance

The X4 series has also mastered obstacle avoidance. Its AI-powered 360⁰ VisionFence™ detects obstacles within 16ft range. It always maintains a distance of 3.3ft from all obstacles to ensure safety.

It detects everyday obstacles, such as toys, balls, books, backpacks, tires, etc. It also recognizes animals, including cats, dogs, cows, rabbits, squirrels, horses, etc. Its Animal Protection ensures the safety of pets and animals roaming in the yard. It mows your lawn without harming them.

The best part is that the mower is night-ready. It can detect objects and pets at night and mow your lawn. Thus, you don’t have to wait for the next morning and can make the lawn ready for any night event. Its noise level is also under 68 dB(A), so it mows the lawn without disturbing your family and neighbors.

The Navimow H220

The Navimow H220 is meant for extremely complex lawns. With its advanced navigation technology and AI assistance, it can navigate any lawn irrespective of the obstacles. It takes obstacle detection and lawn mapping to the next level.

For 0.5 Acres

The Navimow H220 is for lawns up to 0.5 acres. It can mow the area within 12.26 hours. The 10 Ah battery requires 120 minutes of recharging, and it can power the mower for 220 minutes continuously.

Its daily coverage is 0.93 acres, which is incredible. It is powered by 2X faster charging and cutting speeds than previous generations.

With this mower, you can control up to 30 zones. You can set the time and height for these areas precisely.

EFLS™ LiDAR AI Triple Fusion System

The mower is equipped with three navigation technologies: NRTK, LiDAR, and Network RTK. By combining all these technologies and AI, the mower conquers all scenes and terrains.

The Network RTK determines the exact location of the mower with centimeter-level precision. It knows where to mow and what areas to avoid.

The LiDAR technology scans your yard with 200,000 points per second. It creates a detailed 3D map of the lawn without any blind spots. Thus, the mower understands every corner, contour, and edge.

The vision technology captures everything in the lawn with its 140⁰ RGB camera. It helps the mower identify objects and understand the lawn better.

The mower is capable of switching between position modes within 20ms. It ensures reliable performance in every situation.

Advanced Obstacle Detection

The Navimow H220 series has an incredible obstacle detection system. With the help of LiDAR and Vision technologies, the mower can detect 200+ obstacles with 0.4-inch detection accuracy.

The high-resolution LiDAR helps the mower detect tiny objects like toys, hoses, and chair legs. It can detect animals, lawn items, and even suspended objects.

It can identify over 20 animal types. It automatically slows down when any animal is nearby. It maintains a safe distance and reroutes in no time.

Even at night, the mower can detect obstacles accurately. It can perform in total darkness.

GeoSketch™

The mower has the revolutionary GeoSketch™ technology. Using the LiDAR and vision, it can create a real, interactive map of your yard. You can easily visualize and edit it for fine-tuning. It gives you complete control of your lawn, and it precisely mows every area.

You just need to drop the mower on the lawn. It automatically maps everything and starts mowing. You don’t have to do anything manually.

Terrain Adapt

The Navimow H220 is capable of working in different terrains. Its Intelligent 3D Terrain Adapt analyzes your whole lawn. It divides your lawn into optimized zones to plan the ideal route.

It can also work on slopes up to 45% (24⁰). Its Electronic Stability Control regulates the wheels during turns and maintains the balance and center of gravity. It ensures the mower remains stable on the terrain and even slopes.

The off-road wheels of the mower also assist in conquering terrains. It enhances the mower’s traction on the lawn. It works in narrow paths, open terrain, and almost everywhere.

Artisan-level Mowing

The mower offers exceptional precision and quality. It has a 100W cutting motor, which is powerful enough to work on dense grass.

Its advanced cutting module has 6 blades to deliver clean cuts. It also has an anti-clogging disc to prevent clogging due to grass clippings. You witness even cutting in every corner of the lawn.

The mower also takes care of the edges in your lawn. With the EdgeSense™, it can trim as close as 2 inches from walls, fences, and flower beds. It also has the ride-on mode, which offers zero-edge cutting that glides cleanly across borders and transitions.

Easy Control

Controlling the mower is extremely simple. You can use the app to set the schedule, zones, and heights. You can get it started through the app or via voice control. It also has some buttons on the mower to give instant and intuitive control, along with a bright color display.

Quiet Operation

The H220 is extremely quiet. Despite the advanced technologies and powerful motor, it has only a 60 dB(A) noise level. It does not disturb anyone in the house, and you will not receive complaints from your neighbors while using it.

Extreme Weather Ready

The mower is ready to handle extreme weather. Firstly, it knows about the rain and snow through the weather forecast, so it plans ahead. When there is strong wind, rain, snow, or extreme heat, it pauses mowing and returns to its charging station. It resumes mowing when the weather is favorable.

The Navimow Terranox

The Navimow Terranox is the special lineup for commercial properties. It’s a commercial mower to mow large areas with perfection. It addresses the limitations of common robot mowers and automates lawn mowing in large properties.

For 3 and 6 Acres

The Terranox series has two models currently. The CM240M1 is a lawn mower for areas up to 6 acres. With a battery capacity of 25 Ah, it requires 180 minutes of recharging time. It has a runtime of 180 minutes and a mowing speed of 2.2 mph.

The C120M1 is for lawns up to 3 acres. It has a battery capacity of 20 Ah, which needs 145 minutes of recharging. It has a runtime of 145 minutes and a mowing speed of 2 mph.

AWD

The mower has All-Wheel Drive. All its wheels are powered to ensure all-terrain supremacy. It works on any kind of terrain, whether it is a straight, pitted, bumpy, or steep surface. It maintains optimal traction without damaging turf.

You cannot work on a steep surface with a typical zero-turn mower or any commercial mower. However, Terranox works on steep slopes up to 84% (40). And that’s what makes it an incredible option.

Excellent Efficiency

The mower works with incredible efficiency. Firstly, it mows at a speed of 2.2 mph, and it has a 17-inch cutting deck. With this, the mower can cover a wider area in minimal time.

The Terranox CM240M1 can mow a standard football field in only one day. Thus, it keeps large areas perfectly mowed and ready.

Premium Cutting Quality

The mower has dual motors, and each has a cutting disc with six blades. Both motors are extremely powerful, and they can cut any kind of thick, long, and dense grass.

They deliver clean and consistent results on all grass types. The mower maintains uniform turf year-round and outperforms traditional mowers. You don’t have to worry about uneven cuts, mower clogging, and weather conditions.

Intelligent Object Detection

It uses a 360⁰ RGB camera and ToF to detect obstacles in real-time. Because of the panoramic view, it can detect obstacles in every direction. The camera also identifies the obstacles and maintains a safe distance.

Whether it is an animal, lawn object, suspended item, or anything, it detects everything and mows every corner and edge.

It avoids 200+ obstacles and works in any complex commercial setting.

Precise Navigation

The mower navigates the lawn through multiple technologies.

The first one is the EFLS™ NRTK. It provides centimeter-level precision in GPS positioning. As it uses multiple satellite stations, it offers reliable positioning and never fails. It works well in wide areas and in constantly changing conditions. You don’t have to worry about geographical constraints and infrastructure.

The mower also uses a 360⁰ camera-based VSALM and Visual Inertial Odometry (VIO). It helps the mower to visualize the lawn and create a 3D map. It enhances the mower’s accuracy in navigating complex lawns with obstructed environments. Whether it is a boundary, flowerbed, trees, or anything, the mower knows its route.

The mower is extremely easy to install. You don’t need any antennas, wires, or even local base stations. You only need to drop the mower in the yard and connect it to the application.

It understands your lawn well and knows where to mow. It keeps you updated on its positioning through the app and does not go beyond the boundaries.

Clean and Quiet Operation

Even though the mower is for commercial purposes, the noise level of the mower is only 68 dB(A). It is extremely quiet, and it won’t disturb anyone. You can even use it at night without any worries.

Secondly, the mower is powered by batteries, so there are no harmful emissions like in traditional commercial mowers. It keeps the air and environment clean.

Fleet Management

The best thing about the Navimow Terranox is fleet management. The NavimowFleet™ allows you to manage fleets of hundreds of mowers through the app or web portal.

One operator can monitor the performance of the mowers, assign tasks, edit maps, etc. Thus, with only one person, you can manage an extremely large property of dozens or hundreds of acres.

Portability

The mower is extremely lightweight. It weighs only 65-66lbs, which means you can take it anywhere. It is portable enough.

Secondly, due to light weight, there is no need to worry about soil compaction. Typically, commercial mowers weigh around 300 to 1,500lbs, depending on the type and coverage area. This heavyweight can damage your lawn in the long term.

Final Words

For large lawns, you need heavy-duty and powerful lawnmowers that can do the job in minimal time. If you go with small robotic mowers, it will take days to mow an acre or so. Thus, getting the right robotic mower is essential to complete the job on time and with fewer recharging cycles.

The Navimow X390 is ideal for lawns up to 2.5 acres. If you need to mow less than that, around 1-2 acres, you can go with other members of the “X3” series, as they share the same features. For lawns around 1-1.5 acres, the Navimow X4 series is phenomenal as their latest features, Xero-Turn™, AWD, and NRTK, are extremely efficient for mowing large lawns and handling tough terrains.

For extremely complex lawns up to 0.5 acres, the Navimow H220 is a good option as it uses LiDAR, NRTK, and Vision technology to navigate with precision. And if you have a commercial property of more than 3 acres, you can go with the Navimow Terranox, which is a commercial robot mower specifically designed for extremely large lawns.