For landscaping professionals and serious property managers, a 21-inch commercial lawn mower is the workhorse of turf maintenance. These machines are built to endure daily use, tackle demanding terrain, and deliver a pristine cut that enhances any property’s curb appeal. The market has evolved dramatically, offering a robust selection of powerful gas models alongside advanced, zero-emission battery-powered options that challenge traditional performance expectations.
Choosing the right commercial mower is a significant investment in your business’s efficiency and reputation. Factors like power source, self-propelled functionality, battery runtime, and cutting systems all play a crucial role. This roundup simplifies your decision by highlighting eight of the best commercial 21-inch mowers available, detailing their key features and benefits to help you find the perfect match for your operational needs.
Our Top Picks for Commercial 21-Inch Lawn Mowers
- Makita XML08Z 36V Brushless 21″ Self-Propelled Mower
- Greenworks Commercial 82V 21″ Brushless Push Mower
- Greenworks 40V 21″ Brushless Self-Propelled Lawn Mower
- EGO Power+ LM2102SP-A 21-Inch Self-Propelled Mower
- Makita XML07PT1 36V LXT Brushless 21″ Mower Kit
- PowerSmart Gas Lawn Mower 21-Inch 144cc Push Mower
- Husqvarna 21 Inch 173cc Honda Gas Self Propelled Mower
- Toro Recycler 21 Inch 163cc Briggs & Stratton Mower
Makita XML08Z 36V Brushless 21″ Self-Propelled Mower
This tool-only mower from Makita is designed for professionals already invested in the 18V LXT platform. It operates on two 18V batteries, but its unique four-bay system allows you to insert two additional batteries, effectively doubling the runtime. This is a significant advantage for commercial users who need to cover large areas without frequent, productivity-killing stops to recharge.
The mower is self-propelled with a variable speed range from 1.5 to 3 MPH, letting you match your walking pace to the grass conditions. As a brushless electric model, it eliminates the hassles of gas, oil, and emissions while offering reduced maintenance and much quieter operation compared to traditional gas mowers, making it suitable for noise-sensitive environments.
Greenworks Commercial 82V 21″ Brushless Push Mower
Built for demanding jobs, the Greenworks Commercial 82V mower is engineered to outperform gas-powered alternatives. Its commercial-grade brushless motor delivers power that surpasses a standard 160cc gas engine, providing the muscle needed for thick, overgrown grass. The robust 21-inch steel deck is constructed to withstand the rigors of daily commercial use.
This model comes as a complete kit with a 5.0Ah battery and a dual-port charger. The high-capacity battery system is capable of mowing up to 1.5 acres on a single charge, making it a viable and powerful electric option for landscaping businesses with multiple medium-sized properties. It offers a compelling combination of gas-like power with the clean, quiet benefits of battery operation.
Greenworks 40V 21″ Brushless Self-Propelled Lawn Mower
This self-propelled model from Greenworks offers excellent convenience and is part of a larger 40V ecosystem with over 75 compatible tools. The self-propelled drive reduces operator fatigue, which is a major benefit during long workdays. With the included 5.0Ah battery, you can expect up to 45 minutes of runtime, suitable for a variety of residential and light commercial properties.
It features a highly efficient brushless motor for increased torque and longevity, housed within a durable 21-inch steel deck. A single lever adjusts the cutting height across seven positions, and the 3-in-1 functionality allows for bagging, mulching, or side-discharging clippings based on your preference and the job’s requirements.
EGO Power+ LM2102SP-A 21-Inch Self-Propelled Mower
EGO Power+ is a leader in the cordless outdoor power equipment space, and this self-propelled mower demonstrates why. It comes with two 56V 4.0Ah batteries and a rapid charger, providing an impressive runtime of up to 65 minutes on a single charge. The variable speed self-propel system lets you seamlessly adjust your pace from 0.9 to 3.1 MPH.
Cutting height is easily adjusted with one hand across six settings, ranging from 1.5 to 4 inches. The mower offers versatile 3-in-1 functionality for mulching, bagging with the included two-bushel bag, or side discharge. Its performance and long runtime make it a top contender for professionals seeking a premium battery-powered experience.
Makita XML07PT1 36V LXT Brushless 21″ Mower Kit
This is the complete kit version of the Makita 36V mower, ideal for those ready to jump into the system. It includes four 5.0Ah batteries, ensuring maximum runtime right out of the box. The four-bay system utilizes two batteries at a time while the other two charge, creating a continuous workflow that is essential for commercial operations.
Like its tool-only counterpart, it provides all the benefits of a brushless electric mower: no gas, no emissions, low noise, and minimal maintenance. This kit offers a total power solution, eliminating downtime and providing the reliability that professionals count on to get the job done efficiently.
PowerSmart Gas Lawn Mower 21-Inch 144cc Push Mower
For those who prefer traditional gas power, the PowerSmart mower offers a reliable and straightforward solution. Its 144cc 4-cycle OHV engine provides strong, consistent power and eliminates the need for oil mixing. Features like a recoil starter and auto-choke are designed to make starting the engine as simple as possible.
The mower is built with a durable all-steel deck for long-term use and is a 2-in-1 model, offering both mulching and bagging capabilities. The 21-inch heavy-duty blade is designed to cut efficiently, helping you complete your mowing tasks quickly. It represents a solid value for a no-frills, effective gas-powered push mower.
Husqvarna 21 Inch 173cc Honda Gas Self Propelled Mower
Husqvarna is a trusted name in commercial landscaping, and this model pairs that rugged reputation with a premium Honda engine. The 173cc GCV160 Honda engine is renowned for its reliability, easy starting, and smooth power delivery, making it a workhorse for demanding conditions. The self-propelled functionality provides a significant boost in operator comfort and efficiency.
Built to commercial standards, this mower is designed for durability and consistent performance season after season. It combines the proven performance of a gas engine with the superior engineering of both Husqvarna and Honda, making it a dependable choice for professionals who need a machine they can count on.
Toro Recycler 21 Inch 163cc Briggs & Stratton Mower
The Toro Recycler is famous for its innovative cutting system that finely mulches clippings and returns them to the lawn as a natural fertilizer. This results in a healthier lawn and eliminates the need to stop and empty a bag. It is powered by a dependable 163cc Briggs & Stratton engine, a brand synonymous with durability in the small engine world.
This self-propelled mower is engineered for a superior cut quality and ease of use. The personal pace system automatically matches the mower’s speed to your walking pace, providing intuitive control. It’s an excellent option for professionals who prioritize exceptional mulching performance and a well-groomed finish for their clients’ lawns.
Buying Guide: How to Choose a Commercial 21 Inch Lawn Mower
When your business depends on a clean, professional cut, picking the right tool is not a casual decision. A commercial 21 inch lawn mower is a workhorse, built for daily use and tough conditions. I have spent a lot of time with these machines, and I can tell you that not all are created equal. The key is to look past the basic specs and focus on what really matters for a landscaping pro.
First, consider the engine. This is the heart of the mower, and you need one that can handle long, hot days without complaining. Look for a well-known commercial-grade engine brand like Kawasaki, Honda, or Briggs & Stratton Commercial. Displacement matters, too; a larger engine (e.g., 190cc and up) will generally have more torque, which helps maintain blade speed in thick, wet grass without bogging down. For me, reliability is the single most important factor, and a strong engine is the foundation of that.
Next, think about the deck construction. A stamped steel deck is common on residential mowers, but for commercial use, you want a fabricated deck. These are made from thicker, welded steel plates and are much more durable. They resist damage from impacts and are less likely to rust through. The design of the deck also affects cut quality and grass flow. A well-designed deck with proper baffling will create a strong vacuum that lifts the grass for an even cut and helps mulch or bag clippings efficiently.
Don’t ignore the cutting system itself. Many commercial mowers offer a versatile 3-in-1 system that lets you mulch, bag, or side-discharge. For a clean finish, a high-lift blade is essential as it creates that vacuum lift. Also, check how easy it is to change the cutting height. A single lever that adjusts all wheels at once is a massive time-saver compared to individual levers on each wheel. When you are moving between jobs, every second counts.
Finally, assess the overall durability and serviceability. Look for robust wheels, especially if you are frequently loading and unloading from a trailer. A sturdy, easy-to-grip handle that folds down is another small but critical feature. Check if routine maintenance points like the air filter, spark plug, and oil drain are easily accessible. A mower that is easy to service will spend more time on the grass and less time in the shop. By focusing on these core areas—engine, deck, cutting system, and durability—you can find a machine that will be a reliable partner for your business for years to come.
FAQ
What is the main difference between a residential and a commercial 21 inch mower?
The biggest difference is in the build quality and intended use. A residential mower is built for occasional weekend use, maybe an hour at a time. A commercial 21 inch lawn mower is engineered for daily, all-day use. It has a more powerful, commercial-grade engine, a heavier-duty fabricated steel deck, and components designed to withstand the wear and tear of a professional landscaping business. It is the difference between a family sedan and a work truck.
Are commercial 21 inch mowers all self-propelled?
Virtually all commercial mowers in this size are self-propelled. The demands of a commercial job require that the machine does the work of moving itself, allowing the operator to focus on guiding it for a perfect cut. The self-propelled systems are also typically more heavy-duty, with multiple speed settings and robust transmission systems built to last.
How often do I need to perform maintenance on a commercial mower?
Because they work so much harder, maintenance intervals are shorter than for a home mower. You should check the air filter and oil level before each use. I change the oil after every 50 hours of operation, or more frequently in very dusty conditions. The spark plug and blade should be inspected and serviced or replaced as needed. Following a strict maintenance schedule is non-negotiable for keeping a commercial mower running reliably.
Is a commercial 21 inch mower worth the higher cost for a small business?
In my opinion, absolutely. While the initial investment is higher, the total cost of ownership is often lower. A commercial mower is less likely to break down during a critical job, saving you from lost revenue and repair costs. Its durability means it will last for many seasons, whereas you might burn through several residential mowers in the same time. It is a tool that pays for itself through reliability and performance.
What type of fuel is best for these mowers?
Most commercial mowers run on regular unleaded gasoline. However, I strongly recommend using ethanol-free fuel or adding a fuel stabilizer if you cannot find it. Ethanol in standard gasoline can attract moisture and cause gumming in the carburetor and fuel system, especially when the mower is stored for short periods between seasons. This is one of the most common causes of starting and performance issues.
Can I use a commercial mower on a hilly property?
Yes, but you need to be mindful. The self-propelled drive makes handling hills easier, but stability is key. Always mow across the slope, not up and down, to prevent tipping. Look for a mower with larger rear wheels for better traction on inclines. The added weight of a commercial machine can be an advantage for traction but also requires more caution on steep grades.