Keeping a lush, healthy lawn requires effort, especially when your yard spans 1 to 3 acres. A standard push mower simply cannot keep up, making a 42-inch riding lawn mower a true game-changer.
These mid-size mowers strike the ideal balance between cutting width and yard maneuverability, offering faster mowing times and greater comfort without sacrificing precision.
Whether you prefer the consistent power of a gas-powered model or the quieter, eco-friendly operation of an electric option, it’s vital to evaluate motor strength, battery life, and turning radius.
Our hands-on testing focused on real-world performance, assessing cut quality, seat comfort, ease of maintenance, and overall build durability.
For eco-conscious users, exploring the best electric riding lawn mowers can lead to a value-driven choice.
Here are our top picks for 42-inch riding lawn mowers in 2025:
1. Greenworks 60V 42” Cordless Riding Mower – Best Overall
Silence meets brute cutting power in the Greenworks 60V CrossoverT—a game-changing electric ride-on that redefines what it means to mow without gas.
This model provides a 24 HP equivalent output and a relentless 17,000 feet-per-minute blade speed, delivering laser-precise, even cuts across thick grass and uneven terrain.
It runs 4x quieter than gas models at just 90 dB. The 42-inch reinforced deck is paired with a high-efficiency brushless motor for maximum torque and durability.
The innovative “Mow, Swap, and Go” battery system uses the included four 8.0Ah batteries, providing up to 1.5 acres of coverage.
With an 8 MPH cutting speed and an IPX4 waterproof rating, it is ideal for suburban lawns up to 1.5 acres where clean operation and low maintenance are priorities. This model eliminates oil changes, fuel storage, and noise complaints.
Key Features:
- 42″ reinforced deck
- 24 HP equivalent output
- 8.0Ah (4 batteries) with 90-minute recharge cycle
- 8 MPH cutting speed
Pros:
- 4x quieter than gas
- Maintenance free operation
- Integrated cargo bed
- “Mow, Swap, and Go” battery system
Cons:
- Not zero-turn
- Limited traction on steep slopes (over 15°)
2. Greenworks 80V 42″ Zero Turn Mower – Best High Performance
The Greenworks 80V Zero Turn is electrifying, delivering 32 horsepower equivalent muscle that obliterates tall grass with unrelenting force.
At its core is Cyclone Cut Technology, a power-rush system that ensures blades maintain a constant 17,000 FPM tip speed, so cutting never slows, even in wet or overgrown conditions.
With an 8 MPH top speed and a 42-inch 12-gauge steel deck, this mower slices through 2 acres on a single battery rotation.
The four 5.0Ah batteries and three rapid 8A chargers keep downtime minimal, confirming its elite status. Its 15° hill-climbing ability handles sloped yards confidently.
The industry-exclusive rear dump bed with hydraulic assist is a revelation for hauling mulch or debris, making this the undisputed king of high-performance electric mowing.
Its long-term savings on fuel and maintenance make it a forward-thinking investment for 1.5–2 acre lawns.
Key Features:
- 42″ 12-gauge steel deck
- 32 horsepower equivalent
- Cyclone Cut Technology (17,000 FPM)
- Rear dump bed with hydraulic assist
Pros:
- Zero-turn radius
- Superior hill-climbing ability
- Rapid charging
- Electric power that outmuscles gas
Cons:
- Heavier frame
- Less stable on rough terrain
3. Husqvarna TS 146 46″ Lawn Tractor – Best Traditional
The Husqvarna TS 146 is the quintessential gas-powered workhorse built for homeowners prioritizing dependable, no-frills mowing.
Its powerful 22HP Briggs & Stratton EXi engine delivers smooth, consistent power to effortlessly spin the 46-inch stamped deck, covering large yards with fewer passes.
The K46 Tuff Torq hydrostatic transmission ensures buttery-smooth speed control and reliable reverse operation. The 3-gallon fuel tank provides up to 2 hours of runtime, making it ideal for sprawling lawns over 2 acres.
This tractor handles flat to gently rolling terrain with ease and is best suited for rural or suburban users who prioritize cutting width and engine reliability over innovation.
Though its 5 MPH forward speed feels sluggish compared to electric rivals, this tractor is a no-nonsense champion that outperforms its price with old-school muscle and rock-solid build.
Key Features:
- 46-inch stamped deck
- 22HP Briggs EXi engine
- K46 Tuff Torq Hydrostatic transmission
- 3-gallon fuel capacity (up to 2 hours runtime)
Pros:
- Dependable gas power and engine reliability
- Excellent cutting width
- Reliable reverse speed
- Proven durability
Cons:
- Slower cutting speed (5 MPH)
- Manual height adjustments
- Struggles on wet grass
4. EGO 42″ Zero Turn Riding Mower – Best Electric
EGO’s ZT4204L is a precision-engineered powerhouse that matches gas in grit while surpassing it in intelligence.
With 22 horsepower equivalent output and a zero-turn radius, this mower zips around obstacles with pinpoint accuracy while achieving an 8 MPH top speed.
The 42-inch stamped steel deck delivers flawless cuts across 2 acres on a single charge, thanks to the four 10.0Ah ARC Lithium batteries included.
The advanced LCD interface features three driving modes—Standard, Control, and Sport—allowing you to tailor responsiveness to comfort or terrain, a feature unique among residential mowers.
It boasts 3-in-1 functionality (mulch, bag, side discharge) and a 10-position height adjustment (1.5” to 4.5”).
This mower offers the deepest integration of smart features and cutting power, making it the pinnacle of residential electric mowing for tech-savvy homeowners with 1.5–2 acre lawns.
Key Features:
- 42-inch stamped steel deck
- 22 horsepower equivalent output
- 56V 10.0Ah (4 batteries included)
- LCD interface with three driving modes
Pros:
- Zero-turn radius
- Maximum customization via smart driving modes
- 10 height positions
- Deep integration of smart features
Cons:
- Long recharge time (2 hours)
- Premium price point
5. Husqvarna Z242F 42″ Zero Turn – Best Budget Friendly
The Husqvarna Z242F is the budget-savvy gateway to zero-turn performance, offering 21.5HP Kawasaki power and a 42-inch welded deck at the lowest entry point in our lineup.
Its hydrostatic, no-maintenance transmission delivers smooth, reliable operation across flat to gently rolling lawns. Safety is enhanced by the patent-pending auto park brake, which engages automatically when the control levers are released.
While stripped of premium extras like LED lights or height presets, it provides core zero-turn agility and gas-powered reliability for cost-conscious buyers.
This rugged machine easily handles 1–2 acre lawns and offers proven gas-powered simplicity. It is ideal for first-time zero-turn owners who want pro-level maneuverability without pro-level pricing, proving that zero-turn doesn’t have to mean zero savings.
Key Features:
- 42-inch welded deck
- 21.5HP Kawasaki engine power
- Hydrostatic, no-maintenance transmission
- Patent-pending auto park brake
Pros:
- Affordable entry point to zero-turn
- Kawasaki engine reliability
- Rugged welded deck
- Zero-turn maneuverability
Cons:
- Accessories (bagging/mulching kits) sold separately
- Basic feature set
- Requires frequent refueling in larger yards
Detailed Buying Guide: How to Choose the Right 42-Inch Riding Lawn Mower
Investing in the right riding mower requires carefully considering your lawn’s unique needs. The following factors will help you make a data-driven choice.
Understanding Your Lawn & Power Needs
A 42-inch riding lawn mower is generally ideal for lawns between 1/2 to 2 acres. Assess the size of your lawn and whether it is flat or significantly hilly, as these factors dramatically influence the type of mower you need.
- Acreage and Terrain: Flatter lawns under 1.5 acres are often suitable for convenient, low-maintenance cordless electric models. Larger or hilly lawns (over 2 acres, or significant slopes) often require the raw power and durability of a gas-powered mower.
- Power Source: Gas provides the most raw power for demanding tasks, while electric options offer reduced emissions and significantly quieter operation. When comparing electric models to gas, look for the advertised “HP equivalent” ratings.
Key Features to Evaluate
Cutting Deck Material & Size
While a 42-inch deck is a versatile size for residential use, the material is crucial for long-term performance.
- Steel decks (especially fabricated or welded steel) are highly durable and better able to withstand impacts, making them ideal for properties with obstacles.
- Stamped steel decks are generally lighter and less expensive, suitable for smoother lawns.
Engine/Motor Power & Type
The power of the engine or motor determines the mower’s ability to handle tough grass and terrain.
- Gas Mowers: Horsepower (HP) is the key metric; aim for at least 20 HP for tackling tougher terrain and thicker grass.
- Electric Mowers: Focus on the voltage (V) and amp-hours (Ah) of the battery, as higher values translate to more power and longer run times. Battery performance data (run-time and charge time) should be scrutinized against real-world user reports.
Transmission Type
The transmission affects speed control and maneuverability.
- Hydrostatic Transmissions are the most common and provide smooth, variable speed control, which is essential for navigating around obstacles. For most homeowners, this offers a superior mowing experience.
- Zero-Turn Mowers utilize a specialized hydrostatic system that allows for incredibly tight turns.
- Gear Transmissions are more affordable but come with limited speed options.
Other Important Features
Look for features that enhance comfort and utility:
- Cutting Height Adjustment: Allows customization of grass length; look for features like 10-position adjustments.
- Clipping Versatility: Ensure the deck offers options for Mulching, Bagging, or Side Discharge.
- Comfort: Features like an adjustable seat, armrests, and intuitive controls improve the overall mowing experience.
- Utility: Features like a Rear Dump Bed are convenient for collecting clippings or hauling debris.
By prioritizing quality, durability, and features tailored to your lawn, you ensure a smart investment that saves time and effort for years to come.