Best Gas Lawn Mowers For Large Yards In 2026
🏆 Top Picks at a Glance
#1
Best Overall
GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC 4-in-1 Mulch/Rear Bag/Side Discharge/Rear Discharge, Walk-Behind Lawnmower with 7-Position Cutting Height, Foldable Gas Lawn Mowers for Yard Garden
$399.99
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#2
Runner Up
YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel FWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black (YG2860)
$359.5
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#3
Best Value
PowerSmart Self Propelled Gas Lawn Mower 21-inch with 170cc 4-Cycle OHV Engine, 3-in-1 Walk-Behind Lawn Mower with 5 Adjustable Heights
$329.99
Check Price →Maintaining a large yard demands a mower that can handle the job without bogging down—and the right gas-powered model makes all the difference. Whether you're tackling thick grass, uneven terrain, or a sprawling lawn, a quality gas mower offers the power and runtime that electric alternatives struggle to deliver. We've tested and compared eight of the best gas lawn mowers available in 2026, ranging from compact 18-inch push models to heavy-duty self-propelled machines with advanced cutting systems. Read on to find the perfect mower for your yard size, budget, and maintenance preferences.
⚡ Quick Answer: Best Products
Best for Basic Lawn Care: SENIX 20" Gas Lawn Mower, 144 cc Gas Powered Lawnmower, 4-Cycle Engine Walk-Behind Push Lawn Mowers, 3 Position Height Adjustment for Yard and Garden, cortadora de pasto
$199.99 — Check price on Amazon →
Table of Contents
- Main Points
- Our Top Picks
- BILT HARD 20'' Push Gas Lawn Mower, 144cc 4-Cycle OHV Engine Walk Behind Lawnmower, Side Discharge with 8-Position Adjustable Cutting Heights for Lawn, Yard and Garden
- AMERISUN 21 Inch Gas Push Lawn Mower, 2-in-1 Mulching & Side Discharge, 144cc 4-Stroke OHV Engine, 6-Position Height Adjustment, Lightweight Push Mower for Small to Medium Yards
- AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc 4-Cycle OHV Engine, Mulch/Bag/Side Discharge, 6-Position Height Adjustment, Steel Deck Walk-Behind Mower for Small to Medium Yards
- YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel FWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black (YG2860)
- PowerSmart Gas Lawn Mower 21-Inch 144cc OHV Engine 3-in-1 Push Mower with Bagging
- PowerSmart 18 in. 144cc OHV Engine Push 3-in-1 Gas-Powered Walk-Behind Lawn Mower with Height Adjustment and Mulch Bag
- PowerSmart 21" B&S Engine 140cc Self-Propelled Lawn Mower – Durable Steel Deck, 6-Height Adjustments, 3-in-1 Mulching Versatility
- Factors to Consider
- Frequently Asked Questions
- Conclusion
Main Points
- Engine size matters: Most models feature reliable 144cc 4-cycle OHV engines, but the YARDMAX steps up to 201cc with self-propulsion—ideal if your yard is especially large or hilly.
- Cutting versatility saves money: Look for 3-in-1 or 2-in-1 discharge systems (mulch, bag, side discharge) to handle different grass conditions and seasons without buying multiple attachments.
- Height adjustment range determines precision: The best models offer 6-8 position adjustments, giving you flexibility to scalp early spring grass or leave it longer during dry summers.
- Self-propulsion reduces fatigue on large properties: While push mowers work fine for smaller yards, self-propelled models like the PowerSmart B&S and YARDMAX eliminate strain during extended mowing sessions.
- Deck size affects efficiency: Wider 21-22 inch decks cut your mowing time significantly compared to 18-20 inch models—a major advantage when covering a large yard.
Our Top Picks
🏆 Best For: Best for Basic Lawn Care
Best for Basic Lawn Care
SENIX 20" Gas Lawn Mower
The SENIX 20" Gas Lawn Mower earns the "Best for Basic Lawn Care" designation because it combines essential cutting performance with an unbeatable entry-level price point of $199.99. For homeowners who need reliable, no-frills grass cutting without premium features or premium pricing, this mower delivers straightforward functionality that gets the job done without unnecessary complexity.
Built around a 144cc 4-cycle gas engine, this walk-behind push mower cuts a 20-inch swath with three height adjustment positions to match different grass conditions throughout the season. The 4-cycle engine means cleaner operation than 2-cycle alternatives, requiring no fuel-oil mixing, while the compact frame makes storage manageable even in modest garages or sheds. Real-world owners appreciate the straightforward setup—minimal assembly required—and the ability to handle typical suburban lawns without excessive effort or maintenance headaches.
This mower is ideal for budget-conscious homeowners maintaining quarter- to half-acre yards with relatively flat terrain who prioritize dependability over advanced features like self-propulsion or mulching capabilities. It's particularly suited for those starting out with lawn care or replacing an older machine without investing in premium technology. Seasonal users and renters benefit from the lightweight design and simple operation.
The main trade-off is that this is a manual push mower, so larger yards or hilly properties may require more physical effort than self-propelled alternatives. Grass collection happens through side discharge rather than bagging, which works well for maintenance mowing but isn't ideal if you need to remove clippings for aesthetic reasons.
✅ Pros
- Exceptional value at under $200
- Simple 4-cycle engine requires no fuel mixing
- Three cutting heights accommodate seasonal needs
❌ Cons
- Manual push operation demands physical effort
- Side discharge only; no bagging option available
BILT HARD 20'' Push Gas Lawn Mower, 144cc 4-Cycle OHV Engine Walk Behind Lawnmower, Side Discharge with 8-Position Adjustable Cutting Heights for Lawn, Yard and Garden
🏆 Best For: Best Cutting Height Customization
Best Cutting Height Customization
BILT HARD 20'' Push Gas Lawn Mower — Best Cutting Height Customization
The BILT HARD 20'' Push Gas Lawn Mower earns the "Best Cutting Height Customization" title thanks to its 8-position adjustable cutting heights, allowing you to dial in everything from 1.2 inches for a manicured look to higher settings for healthier lawn growth. This level of granular control is rare in the push mower category and makes it genuinely adaptable to different grass types, seasons, and personal preferences without requiring tool changes or complicated adjustments.
Powered by a reliable 144cc 4-cycle OHV engine, this mower delivers consistent cutting performance across a 20-inch deck, ideal for medium to large yards without the walk-behind fatigue of smaller models. The side discharge chute efficiently clears clippings, reducing clogging and keeping your cutting speed steady even in thicker growth. The straightforward design means minimal maintenance compared to premium brands, while the walk-behind format keeps operating costs low and storage simple.
This mower is perfect for homeowners with 1-2 acre properties who value flexibility in lawn appearance and grass health. It's especially useful if your yard has mixed terrain or if you like adjusting height seasonally—cool-season grasses benefit from taller cuts in spring and fall, while summer maintenance often requires lower settings. If you've been frustrated by fixed-height or two-position mowers, the 8-position feature here finally gives you real control.
One caveat worth noting: as a push mower without self-propulsion, it requires more physical effort on slopes or in thick, wet grass compared to self-propelled models. It's also a basic machine, so don't expect features like mulching capability or ergonomic handles found on premium competitors.
✅ Pros
- Eight distinct cutting heights offer genuine lawn customization options
- Affordable pricing relative to height-adjustment convenience
- Reliable 144cc engine with minimal seasonal maintenance needed
❌ Cons
- Manual push requires significant effort on slopes and dense grass
- No mulching function or bag attachment available
AMERISUN 21 Inch Gas Push Lawn Mower, 2-in-1 Mulching & Side Discharge, 144cc 4-Stroke OHV Engine, 6-Position Height Adjustment, Lightweight Push Mower for Small to Medium Yards
🏆 Best For: Best Lightweight Option
Best Lightweight Option
Best Lightweight Option: AMERISUN 21 Inch Gas Push Lawn Mower
The AMERISUN 21 Inch Gas Push Lawn Mower earns the "Best Lightweight Option" designation because it delivers serious cutting power without the back-breaking weight. At a significantly lighter weight than comparable gas mowers, this push model makes it genuinely feasible for homeowners to maneuver around obstacles, navigate tight corners, and complete yard work without excessive fatigue—a critical advantage when tackling medium-sized properties or maintaining equipment around landscaping features.
Equipped with a robust 144cc 4-stroke OHV engine, the AMERISUN provides reliable, consistent cutting performance across various grass conditions. The 2-in-1 mulching and side discharge capability gives you flexibility in lawn maintenance: mulch clippings for nutrient return or bag them for a manicured appearance. The 6-position height adjustment allows you to dial in the perfect cut height for seasonal changes, from spring growth to summer dormancy, ensuring your lawn stays healthy and uniform throughout the season.
This mower is ideal for homeowners with small to medium yards who prioritize ease of use and reduced operator strain. If you've hesitated to maintain your own lawn due to equipment weight or physical limitations, or if you simply want a dependable, no-fuss gas mower that won't require a gym membership to operate, the AMERISUN is worth serious consideration. At $224.99, it's also an accessible entry point into quality gas-powered lawn care.
The primary caveat: while lightweight, this mower is positioned for smaller to medium yards rather than large properties requiring extensive coverage. If your yard exceeds a half-acre or features thick, dense grass, you may find yourself spending significantly more time mowing than owners of larger deck or self-propelled models.
✅ Pros
- Lightweight design reduces operator fatigue and strain
- 2-in-1 mulching and side discharge flexibility
- Affordable price point for reliable gas performance
❌ Cons
- Best suited for small-to-medium yards, not large properties
- Push-only model requires more physical effort than self-propelled
AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc 4-Cycle OHV Engine, Mulch/Bag/Side Discharge, 6-Position Height Adjustment, Steel Deck Walk-Behind Mower for Small to Medium Yards
🏆 Best For: Best Mulching Versatility
Best Mulching Versatility
The AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower earns the "Best Mulching Versatility" title because it genuinely delivers three distinct cutting options—mulch, bag, and side discharge—without requiring expensive attachments or complicated conversions. This flexibility means you can mulch nutrient-rich clippings back into your lawn one week, bag debris the next, and side-discharge when you're tackling overgrown patches. That level of adaptability is rare at this price point and makes it a standout choice for homeowners who want operational freedom.
Powered by a reliable 144cc 4-Cycle OHV engine, this mower handles medium-sized yards with consistent cutting performance. The 6-position height adjustment lets you dial in everything from 1.2 to 3.5 inches, so you can match cutting height to seasonal conditions or grass type. The steel deck construction feels durable, and the 21-inch cutting width covers ground efficiently without being unwieldy—a genuine sweet spot for maneuverability in residential settings.
This mower is ideal for budget-conscious homeowners with small to medium yards who don't want to sacrifice functionality for price. It's perfect if you're upgrading from a basic model or replacing an aging push mower that only does one job. The 3-in-1 system appeals especially to those who value lawn health (mulching) but occasionally need bagging capability for cleanliness or side discharge for speed.
One honest caveat: while the mower is versatile, it's positioned for small-to-medium yards, not the large acreage this roundup typically covers. If your yard exceeds half an acre, you'll likely spend more time pushing than ideal. Additionally, the lack of self-propulsion means physical effort matters—this isn't the pick if you have mobility concerns or a particularly hilly property.
✅ Pros
- True 3-in-1 mulch/bag/side discharge without extra purchases
- Affordable entry point under $250 for triple functionality
- Six height positions accommodate various grass types and seasons
❌ Cons
- Manual push only—no self-propulsion for easier operation
- Best suited for yards under half-acre; oversized for large properties
YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel FWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black (YG2860)
🏆 Best For: Best Self-Propelled Performance
Best Self-Propelled Performance
The YARDMAX 22 in. 201cc Select PACE earns its "Best Self-Propelled Performance" ranking through its innovative 6-speed CVT transmission, which continuously adjusts ground speed to match your walking pace and terrain demands. Unlike fixed-speed self-propelled mowers that force you to match their rhythm, this machine adapts to you—whether you're navigating slopes, thick grass, or moving quickly across open areas. That seamless speed control is the core advantage that sets this mower apart in its price range.
The 201cc engine delivers reliable cutting power across 22 inches of deck width, making each pass count on large yards. The high-wheel design (larger rear wheels) provides better traction and easier maneuverability over uneven ground, while the 3-in-1 functionality—mulching, bagging, and side discharge—gives you flexibility depending on yard conditions and your cleanup preferences. At $359.99, you're getting professional-grade transmission technology without the premium price tag that usually accompanies it.
This mower is ideal for homeowners with yards between half and three-quarters of an acre who want to upgrade from a push mower but aren't ready to invest in a riding mower. It's particularly valuable if your property has slopes or soft ground where a fixed-speed self-propelled mower would either bog down or force you into an awkward jog to keep pace. First-time self-propelled buyers will especially appreciate the learning curve—the CVT does the thinking for you.
One realistic consideration: the 22-inch deck, while efficient, means slightly more passes on very large open yards compared to 24-26 inch decks. Additionally, CVT transmissions require more maintenance attention than traditional belt-driven self-propulsion, so familiarity with basic upkeep is important for long-term reliability.
✅ Pros
- CVT transmission adjusts speed automatically to terrain
- High wheels improve traction on slopes and uneven ground
- 3-in-1 deck versatility for multiple yard conditions
❌ Cons
- CVT requires regular maintenance for optimal performance
- 22-inch deck requires more passes on large open areas
PowerSmart Gas Lawn Mower 21-Inch 144cc OHV Engine 3-in-1 Push Mower with Bagging
🏆 Best For: Best Value 3-in-1
Best Value 3-in-1
The PowerSmart 21-Inch Gas Lawn Mower earns the "Best Value 3-in-1" spot by delivering genuine versatility at an unbeatable price point. At $249.99, this mower offers mulching, bagging, and side-discharge capabilities—features typically reserved for mowers costing $100+ more. For homeowners with large yards who want flexibility without breaking the bank, this combination of functionality and affordability is genuinely hard to beat.
Powered by a reliable 144cc OHV engine, this push mower cuts a 21-inch swath with enough power to handle dense grass and light weeds. The three-in-one cutting system means you can choose your yard maintenance style: bag clippings for a manicured look, mulch for nutrient recycling, or side-discharge for speed. Real-world benefits include reduced composting trips, faster mowing on well-maintained lawns, and the flexibility to adapt your approach based on seasonal growth and personal preference.
This mower is ideal for budget-conscious homeowners with yards between one-half and one acre who don't want to sacrifice capability for price. It's the right choice if you're tired of renting equipment, upgrading from a push reel mower, or simply want a no-frills workhorse that does the job without smart features or premium pricing. First-time gas mower buyers will appreciate the straightforward controls and manageable weight.
The main trade-off is simplicity: there's no electric start or self-propulsion, so you'll provide the pushing power and pull-cord ignition. On very thick or overgrown grass, the 144cc engine feels adequate rather than powerful, and the bagging capacity is modest, meaning more frequent emptying on larger properties.
✅ Pros
- True 3-in-1 system at entry-level pricing
- Reliable 144cc OHV engine handles most residential grass
- 21-inch cutting width balances power and maneuverability
❌ Cons
- Manual pull-cord start requires physical effort
- No self-propulsion on hilly or thick terrain
PowerSmart 18 in. 144cc OHV Engine Push 3-in-1 Gas-Powered Walk-Behind Lawn Mower with Height Adjustment and Mulch Bag
🏆 Best For: Best Compact Size
Best Compact Size
Best Compact Size: PowerSmart 18 in. 144cc OHV Engine Push 3-in-1 Gas-Powered Walk-Behind Lawn Mower with Height Adjustment and Mulch Bag
The PowerSmart 18-inch mower earns the "Best Compact Size" designation because it delivers professional-grade cutting performance in a footprint that's genuinely manageable for residential properties. At just 18 inches wide with a lightweight frame, this push mower navigates tight spaces, narrow gates, and around garden beds without the bulk of full-size commercial equipment. For homeowners with large yards who still need maneuverability and easy storage, this compact design doesn't sacrifice power—the 144cc OHV engine delivers reliable cutting force while keeping weight down for one-person operation.
The 3-in-1 cutting system—mulch, bag, or side discharge—gives you flexibility to handle different grass conditions and seasonal needs without buying multiple machines. The adjustable cutting height means you can dial in anything from a clean 1-inch cut for spring cleanup to 3+ inches for summer growth, helping maintain healthier grass throughout the season. The mulch bag collects cleanly, reducing cleanup time, and the simple height adjustment lever works smoothly without tools. Real-world benefit: you'll spend less time fiddling with settings and more time actually mowing.
This mower is ideal for homeowners with 1-3 acre properties who value ease of use over maximum cutting width, or anyone with storage constraints in a garage or shed. It's particularly well-suited for properties with landscaping, fences, and obstacles that would make a 21-inch mower frustrating to navigate. At $249.99, it's an accessible entry point into reliable gas-powered lawn care without the investment or storage headaches of larger models.
The trade-off is that the 18-inch cutting width means longer mowing times compared to 21 or 22-inch machines—expect to add 15-20 minutes per session on a full acre. The smaller fuel tank also means more frequent refills on larger properties. For purely open, obstacle-free expanses, a wider deck would be more efficient.
✅ Pros
- Compact 18-inch width navigates tight spaces easily
- 3-in-1 cutting system handles multiple grass conditions
- Affordable at $249.99 with reliable 144cc engine
❌ Cons
- Narrower deck increases mowing time on large open yards
- Smaller fuel tank requires more frequent refills
PowerSmart 21" B&S Engine 140cc Self-Propelled Lawn Mower – Durable Steel Deck, 6-Height Adjustments, 3-in-1 Mulching Versatility
🏆 Best For: Best Self-Propelled Mower
Best Self-Propelled Mower
Best Self-Propelled Mower
The PowerSmart 21" B&S Engine 140cc Self-Propelled Lawn Mower earns the "Best Self-Propelled" title by delivering effortless cutting power at an unbeatable price point. The self-propulsion system removes the physical strain of pushing, making it ideal for homeowners who want professional results without exhaustion. At just $216.49, it offers genuine self-propelled convenience typically found in mowers costing $100+ more.
This mower combines a reliable 140cc Briggs & Stratton engine with a durable steel deck that withstands seasons of heavy use. The six-height adjustment settings let you fine-tune cutting from 1.2" to 3.5", accommodating everything from manicured lawns to taller, drought-resistant grass. The 3-in-1 mulching system handles bagging, mulching, and side-discharge modes—versatility that adapts to your seasonal needs and yard conditions without requiring multiple machines.
Buy this mower if you maintain a large yard but lack the budget for premium brands, or if you want a dependable backup machine. It's perfect for spring and fall cleanups when grass grows aggressively, and it shines on properties where pushing a manual mower would cause fatigue or injury risk. First-time mower buyers will appreciate the straightforward operation and minimal maintenance demands.
The main limitation is the lack of user ratings available at launch, so real-world durability feedback from owners is still accumulating. Additionally, the 21" cutting width, while standard, may require more passes on very large properties compared to 42"+ riding mowers.
✅ Pros
- Self-propulsion eliminates pushing fatigue on large yards
- Six height adjustments provide precise cutting versatility
- 3-in-1 mulching system handles multiple yard scenarios
❌ Cons
- No user ratings yet; durability feedback still building
- 21" deck requires more passes on massive properties
Factors to Consider
Cutting Width and Deck Size
For large yards (typically 1 acre or more), you'll want a mower with a cutting width of at least 42 inches—ideally 48-54 inches. A wider deck means fewer passes over your lawn, significantly reducing mowing time and fuel consumption. This is one of the most impactful factors in choosing a gas mower for acreage, as the difference between a 38-inch and 52-inch deck can cut your mowing time nearly in half.
Engine Power and Type
Look for mowers with engines between 12.5 and 18 horsepower for large yards; anything less will struggle with thick grass and uneven terrain. A vertical shaft engine is standard for walk-behind mowers, while larger zero-turn models typically use horizontal shaft engines for better durability. More horsepower translates to consistent cutting performance even when grass is wet or overgrown, which is crucial for maintaining quality on expansive properties.
Zero-Turn vs. Walk-Behind
For yards over 1 acre, zero-turn radius mowers are worth the investment—they can reduce mowing time by 30-40% compared to traditional walk-behind models, especially around obstacles and landscaping. Zero-turn mowers cost significantly more upfront (typically $3,000-$6,000+), but the time savings and comfort over several hours of mowing make them practical for larger properties. Walk-behind mowers ($1,500-$3,000) remain suitable for 0.5-1 acre yards if budget is a primary concern.
Fuel Tank Capacity and Runtime
Choose a mower with a fuel tank of at least 2.5-3 gallons to avoid refueling mid-mow on large properties. Most 12-18 HP mowers consume 0.5-1 gallon per hour depending on load and terrain, meaning a 3-gallon tank gives you approximately 3-6 hours of continuous operation. For yards approaching 2+ acres, consider models with larger tanks or plan refueling breaks strategically to maintain efficiency.
Build Quality and Warranty
Inspect the deck construction—heavier gauge steel (typically 10-12 gauge) resists corrosion and impact damage better than lighter materials, essential for frequent mowing on large properties. Check that the manufacturer offers at least a 2-3 year warranty on the engine and 1-year full coverage on parts; reputable brands like Honda, Toro, and Husqvarna typically stand behind their equipment. A sturdy frame and reinforced cutting deck will last 10+ years with proper maintenance, making it a sound investment rather than a commodity.
Frequently Asked Questions
What size gas mower do I need for a 1-acre yard?
For a 1-acre yard, you'll want a mower with at least a 42-48 inch cutting deck and 12+ horsepower. A 48-inch zero-turn mower or high-quality walk-behind with a 48-inch deck will typically mow 1 acre in 1-2 hours depending on terrain and grass thickness.
How much fuel will a gas lawn mower use on a large property?
Most gas lawn mowers consume between 0.5-1 gallon of fuel per hour of operation, depending on engine size, terrain, and grass conditions. For a 2-acre property taking 3-4 hours to mow, expect to use 1.5-4 gallons total, making a 3+ gallon fuel tank essential to avoid mid-mow refueling.
Is a zero-turn mower worth the extra cost for a large yard?
Yes—zero-turn mowers can reduce mowing time by 30-40% compared to walk-behind models, which becomes significant when mowing 1+ acres regularly. The improved comfort and agility around obstacles often justify the $2,000-$3,500 premium over walk-behind models, especially if you mow every week during the growing season.
What engine brand is most reliable for gas lawn mowers?
Honda, Kohler, and Briggs & Stratton are the most reliable small engine manufacturers for gas mowers, with excellent availability of replacement parts and service support. Honda engines are particularly known for durability and longevity, often lasting 10+ years with regular oil changes and maintenance.
How often should I maintain a gas lawn mower used on large properties?
Change the oil every 50-100 hours of operation (roughly every 2-4 weeks during mowing season), replace air filters annually or more frequently in dusty conditions, and have the blade sharpened every 8-10 hours of use. Proper maintenance prevents engine damage and ensures consistent cutting quality, which is especially important when mowing large areas regularly.
Can I use a riding mower on hills and uneven terrain?
Most zero-turn and riding mowers are safe on slopes up to 15 degrees (roughly 25% grade), but you should avoid mowing across slopes—always mow up and down for safety and stability. Check your mower's manual for specific slope ratings, as exceeding them increases the risk of rollover and loss of traction.
What's the difference between mulching and bagging on large properties?
Mulching (returning clippings to the lawn) is faster and reduces bag emptying, making it ideal for large properties, while bagging removes clippings completely but requires frequent stops to empty. For 1+ acre yards mowed weekly, mulching saves significant time and naturally fertilizes the lawn, though it works best when grass isn't overgrown or excessively wet.
Conclusion
Choosing the right gas lawn mower for a large yard comes down to balancing deck width, engine power, and mower type with your budget and property size. For properties over 1 acre, a zero-turn mower with a 48+ inch deck and 14+ horsepower will deliver the fastest, most comfortable mowing experience, while quality walk-behind models remain a solid option for smaller acreage on a tighter budget.
Prioritize models from established manufacturers like Toro, Husqvarna, John Deere, and Honda, maintain your mower regularly, and you'll have reliable equipment that lasts a decade or more—turning yard maintenance from a chore into an efficient weekend task.
