As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Finding the best lawn mowers for slopes requires matching drive systems and power sources to your yard’s incline. We compared 6 models using only the specifications published on their listings. The Greenworks 40V 21-Inch Self-Propelled Mower leads this list because its rear-wheel drive and brushless motor provide reliable traction on inclines. Its 5.0 Ah battery also ensures sufficient runtime for moderate yards. This guide helps you decide which mower fits your specific slope and yard size based on hard data.
Match drive type to slope steepness
Check the drive system before buying. Rear-wheel drive self-propelled models like the Greenworks 40V handle moderate inclines well. For steep terrain, remote control crawlers like the Tyzar 45% slope model provide necessary stability. Choose self-propelled for gentle grades and remote operation for steep, uneven ground to ensure safety and control.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Greenworks 40V 21-Inch Self-Propelled Mower Best overall | slope mowing with quiet brushless traction | |
| 2 | Greenworks 48V 21in 3-in-1 Combo Kit Best premium | Sloped yards needing versatile cordless mowing | |
| 3 | PowerSmart 21-Inch Rear-Wheel Drive Gas Mower Best budget | Sloped medium yards on a budget | |
| 4 | Tyzar 459cc Hybrid Flail Mower Best mulching | steep slopes and dense overgrowth | |
| 5 | Tyzar Professional Gas Crawler Mower Best 45% slope | steep slopes and remote operation | |
| 6 | Tyzar 21.65" 9HP Gas RC Mower Also great | Steep slopes and thick brush |
The best fit for you
- You want quiet operation with reliable traction – Greenworks 40V 21-Inch Self-Propelled Mower – Its brushless motor and rear-wheel drive handle inclines well while keeping noise low.
- You need versatile cordless mowing for slopes – Greenworks 48V 21in 3-in-1 Combo Kit – The 48V brushless motor and included leaf blower offer multi-tool versatility for sloped yards.
- You need reliable slope handling on a budget – PowerSmart 21-Inch Rear-Wheel Drive Gas Mower – The 170cc engine and rear-wheel drive provide sufficient traction for medium yards.
- You manage steep slopes and remote operation – Tyzar Professional Gas Crawler Mower – This crawler mower handles 45% slopes safely using remote control operation.
Is Slope Capability Worth It?
Selecting a mower for slopes changes how you handle inclines. Self-propelled models with rear-wheel drive, like the Greenworks 40V, manage moderate grades effectively. Their brushless motors provide reliable traction without excessive noise. For steeper terrain, remote control crawlers like the Tyzar 45% slope model ensure safety and stability. You operate the machine from a safe distance, which is critical on uneven ground. The drive type dictates your comfort level on hills.
Worth it if
- You have moderate inclines and prefer quiet operation
- You need to manage steep terrain safely from a distance
Skip it if
- Your yard is perfectly flat
- You prefer manual push mowers for light work
Greenworks 40V 21-Inch Self-Propelled Mower
Best for: slope mowing with quiet brushless traction
- Application
- Slopes
- Cutting Width
- 21 in
- Drive Type
- self-propelled
- Voltage
- 40 V
- Battery Capacity
- 5.0 Ah
- Mowing Functions
- 4-in-1
This 40V cordless mower features a 21-inch steel deck and rear-wheel drive self-propulsion. The brushless motor delivers high torque for slope traction, while the 5.0 Ah battery supports extended runtime. It includes variable speed control and LED headlights for visibility. The 4-in-1 system allows mulching, bagging, or side discharge. It weighs 73.9 pounds and fits users seeking a quiet, versatile tool for uneven terrain.
- Brushless motor provides superior torque and quieter operation
- Rear-wheel drive with variable speed for slope traction
- 5.0 Ah battery capacity for longer runtime
- LED headlights for early morning or evening mowing
- 4-in-1 mowing system for mulching, bagging, or discharge
- 73.9 pound weight is heavier than lighter corded models
- 40V battery system offers less peak power than gas engines
- 21-inch cutting width is narrower than wider commercial decks
- You need rear-wheel drive for traction on slopes
- You want a quiet brushless motor for residential areas
- You prefer cordless convenience with LED visibility
- You require gas engine power for steep, thick terrain
- You need a wider cutting deck for large lawns
- You prefer a lighter tool for easy transport
Verdict: Greenworks 21in 40V Self-Propelled Mower suits slope mowers who value quiet operation and reliable traction. Its rear-wheel drive and brushless motor handle inclines well, while the 5.0 Ah battery ensures sufficient runtime for moderate yards.
Greenworks 48V 21in 3-in-1 Combo Kit
Best for: Sloped yards needing versatile cordless mowing
- Application
- Slopes
- Cutting Width
- 21 in
- Drive Type
- Self-Propelled
- Voltage
- 48V (24V x 2)
- Battery Capacity
- 2 x 5 Ah
- Mowing Functions
- 3-in-1 (mulch, rear bag, side discharge)
This Greenworks 21-inch mower uses a 48V brushless motor and self-propelled drive to handle slopes. It includes two 5 Ah batteries for runtime and offers 7 height adjustments. The 3-in-1 deck supports mulching, bagging, and side discharge. You get a blower and trimmer in this kit. It suits users wanting a versatile, cordless solution for uneven terrain.
- 48V (24V x 2) brushless motor for efficient power
- Self-propelled drive aids movement on slopes
- 7-position height adjustment for varied grass lengths
- 3-in-1 mowing functions: mulch, rear bag, side discharge
- Includes 2 x 5 Ah batteries and dual charger
- Heavier build at 78.3 pounds compared to lighter competitors
- Lower battery capacity than the 5.0 Ah option in the first product
- Smaller cutting width than the 459cc and 21.65-inch flail options
- You need a self-propelled mower for sloped yards
- You want a brushless motor for longer tool life
- You prefer a 3-in-1 system for versatile cleanup
- You require a remote control for operation
- You need a 4WD all-terrain drive system
- You prefer a gas-powered engine over electric
Verdict: Greenworks 21in 48V Brushless Mower is a solid choice for slope mowing thanks to its self-propelled drive and brushless motor. It fits buyers who value cordless convenience and multi-tool versatility.
PowerSmart 21-Inch Rear-Wheel Drive Gas Mower
Best for: Sloped medium yards on a budget
- Application
- Slopes
- Cutting Width
- 21 in
- Drive Type
- Rear-wheel drive, self-propelled
- Mowing Functions
- 3-in-1 (bag, mulch, rear discharge)
- Motor Type
- 170cc OHV
- Height Adjustments
- 6 positions, 1.5" to 3.9"
This PowerSmart mower uses a 170cc OHV gas engine and rear-wheel drive to handle slopes. The 21-inch steel deck covers a wide path, while 10-inch rear wheels provide traction on uneven ground. You can adjust the cutting height from 1.5 to 3.9 inches across six positions. The 3-in-1 system lets you bag, mulch, or rear-discharge clippings. It is a practical option for medium to large yards where budget matters.
- 170cc OHV gas engine for reliable power
- Rear-wheel drive self-propelled system for slope traction
- 21-inch cutting width reduces mowing time
- 10-inch rear wheels improve maneuverability on uneven terrain
- 1.4-bushel bag capacity for collecting clippings
- 170cc engine displacement is lower than the 459cc engines on other list picks
- 9HP rating is lower than the 9HP 4WD models in the comparison
- Single lever height adjustment offers fewer precision settings than remote-controlled options
- You need a gas mower for sloped terrain
- You want a self-propelled machine with rear-wheel drive
- You prefer a 21-inch cutting width for medium yards
- You require remote control operation
- You need all-wheel drive for steep inclines
- You prefer electric battery power over gas
Verdict: PowerSmart 21" Gas Self-Propelled Mower fits homeowners who need reliable slope handling without the complexity or cost of commercial remote controls. It is a solid choice for medium yards where rear-wheel traction is sufficient.
Tyzar 459cc Hybrid Flail Mower
Best for: steep slopes and dense overgrowth
- Application
- Slopes
- Motor Type
- 459cc hybrid
- Drive Type
- Remote Control
- Mowing Functions
- Mulching
- Dimensions
- 51.2 × 31.5 × 47.2 inches
- Weight
- 826 pounds
This Tyzar model uses a 459cc engine with a remote control system to handle steep slopes up to 55 degrees. Its hybrid drive syncs gas power for cutting with electric tracks for movement, offering a 31.5-inch cutting width. The 826-pound weight and commercial flail head shred dense weeds and light saplings. You get industrial-grade safety controls and multi-functional adaptability for rough terrain.
- 459cc commercial engine with reinforced flail head
- Remote control operation from 2000ft distance
- Hybrid drive system for fuel efficiency
- Conquers slopes up to 55 degrees
- 31.5-inch cutting width
- Heavy 826-pound build requires significant space
- 31.5-inch width is larger than standard 21-inch mowers
- High weight may not suit delicate lawns
- You need to mow steep slopes up to 55 degrees
- You want to operate the mower remotely for safety
- You need to clear dense weeds and light saplings
- You prefer a lightweight mower for easy transport
- You have a small yard with limited storage space
- You need a standard walk-behind mower
Verdict: Tyzar 459cc Hybrid Remote Flail Mower fits professionals managing steep, overgrown terrain where operator safety and heavy-duty cutting power are priorities.
Tyzar Professional Gas Crawler Mower
Best for: steep slopes and remote operation
- Application
- Slopes
- Drive Type
- Remote control, crawler track
- Mowing Functions
- Mulching
- Motor Type
- 224cc gas engine
- Height Adjustments
- 1.1-5.9 inches
- Slope Capability
- 45% Slope
This Tyzar mower uses a 224cc gas engine and crawler tracks to handle steep terrain. It features remote control operation for safety and precise maneuvering. The cutting height adjusts from 1.1 to 5.9 inches for varied grass conditions. Weighing 286 pounds, it offers stability on slopes up to 45%. This model suits users managing difficult inclines who prefer remote operation over manual pushing.
- Remote control operation for enhanced safety on steep slopes
- 224cc gas engine provides robust torque for crawler tracks
- Adjustable cutting height from 1.1 to 5.9 inches
- Crawler track system ensures grip on inclines up to 45%
- Weighs 286 pounds, making it significantly heavier than standard push mowers
- 22-inch cutting width is narrower than the 21-inch standard of competitors
- Requires manual assembly and setup of the remote control system
- You need to mow steep slopes exceeding 20% grade
- You prefer remote operation to avoid walking on uneven ground
- You have dense or rough terrain requiring crawler track stability
- You prefer a lightweight mower for easy storage and transport
- You want a standard push or self-propelled mower for flat lawns
- You need a wider cutting deck for faster mowing of large areas
Verdict: Tyzar 22in Remote Gas Crawler Mower is ideal for steep, uneven terrain where remote control operation ensures safety and stability. It fits users who prioritize slope capability over mowing speed or ease of transport.
Tyzar 21.65" 9HP Gas RC Mower
Best for: Steep slopes and thick brush
- Application
- Slopes
- Cutting Width
- 21.65-inch
- Drive Type
- 4WD, remote control
- Motor Type
- Gas Powered
- Height Adjustments
- 1.57 or 3.14 inches
- Dimensions
- 41.3 × 35.4 × 23.6 inches
This Tyzar model is a remote-controlled, gas-powered zero-turn mower designed for slopes up to 40 degrees. It features a 9HP engine and 21.65-inch cutting width for tackling thick grass and brush. The 4WD all-terrain system and durable tracks provide stability on uneven ground. You can adjust the cutting height between 1.57 and 3.14 inches. Its remote operation allows you to control speed and steering from a distance, ensuring safety on inclines.
- 4WD all-terrain system with 40-degree climbing ability
- 9HP gas engine for robust power
- Remote control operation for safety on slopes
- Adjustable cutting height from 1.57 to 3.14 inches
- Heavy 287-pound build requires significant space
- Large 41.3-inch length may limit maneuverability in tight areas
- You need to mow steep slopes up to 40 degrees
- You have thick grass or brush to clear
- You prefer remote operation for safety on inclines
- You have limited storage space for a 287-pound unit
- You prefer a lighter, more portable mower
- You want a battery-powered option instead of gas
Verdict: Tyzar 21.65in RC Gas Zero Turn Mower is ideal for users managing steep, uneven terrain with thick vegetation who prioritize safety through remote control. Its heavy build and large dimensions suit those with ample storage and space for maneuvering.
Specifications side by side
| Spec | Greenworks 40V 21-Inch Self-Propelled Mower | Greenworks 48V 21in 3-in-1 Combo Kit | PowerSmart 21-Inch Rear-Wheel Drive Gas Mower | Tyzar 459cc Hybrid Flail Mower | Tyzar Professional Gas Crawler Mower | Tyzar 21.65" 9HP Gas RC Mower |
|---|---|---|---|---|---|---|
| Cutting Width | 21 in | 21 in | 21 in | – | – | 21.65-inch |
| Drive Type | self-propelled | Self-Propelled | Rear-wheel drive, self-propelled | – | Remote control, crawler track | 4WD, remote control |
| Voltage | 40 V | 48V (24V x 2) | – | – | – | – |
| Battery Capacity | 5.0 Ah | 2 x 5 Ah | – | – | – | – |
| Mowing Functions | 4-in-1 | 3-in-1 (mulch, rear bag, side discharge) | 3-in-1 (bag, mulch, rear discharge) | – | Mulching | – |
| Motor Type | brushless | Brushless | 170cc OHV | 459cc hybrid | 224cc gas engine | Gas Powered |
| Height Adjustments | – | 7 positions | 6 positions, 1.5" to 3.9" | – | 1.1-5.9 inches | 1.57 or 3.14 inches |
| Power Type | – | – | Gas | – | Gas | Gas |
| Engine Displacement | – | – | 170cc | – | – | – |
| Application | Slopes | Slopes | Slopes | Slopes | Slopes | Slopes |
| Slope Capability | – | – | – | – | 45% Slope | – |
| Included Equipment | – | Leaf Blower | – | – | – | – |
| Dimensions | 65 × 25.6 × 41 inches | 43.1 × 17.1 × 22.8 inches | 32.9 × 16.5 × 22.6 inches | 51.2 × 31.5 × 47.2 inches | 38.5 × 22 × 36 inches | 41.3 × 35.4 × 23.6 inches |
| Weight | 73.9 pounds | 78.3 pounds | – | 826 pounds | 286 pounds | 287 pounds |
| Size | 21" Self-Propelled (5.0Ah) + LED Lights | 21" 3 Piece Combo (2×5.0Ah) | – | – | Standard version | – |
| Color | Green&Black | Green&Black | Ink | Yellow | Blue | Red |
| Model | MO40L517 | CK24L5242 | V8721S1 | TYZ-1000 | TYZ-550 | TYZ-550C |
How We Selected Slope Mowers
We identified suitable mowers by scanning Amazon listings for the Application: Slopes tag. This feature appears in the title or feature list of each product. We only included one size or variant from each product family to keep the guide focused and clear for you.
The 6 products are ordered by availability first, then by overall rating weighted by review count, and finally by how many of our slope-related criteria their specs meet. All details come from published specifications. We did not physically handle these units. Prices and stock levels are shown live on the page and are refreshed daily.
How to Choose the Right Mower
Match Drive Type to Slope
Your yard’s incline dictates the necessary drive system. Rear-wheel drive self-propelled models, such as the Greenworks 40V, provide reliable traction for moderate grades. The motor powers the rear wheels, helping the mower climb without pushing you uphill. For steeper terrain, consider remote control crawlers like the Tyzar 45% slope model. These units operate independently, ensuring stability where manual handling is unsafe. Check the drive type first to ensure the mower can handle your specific slope angle safely.
Select Appropriate Power Source
Power type affects maintenance and operation on slopes. Gas models, like the PowerSmart 170cc engine, offer consistent torque and longer runtime for medium yards. They require fuel mixing and engine upkeep. Cordless options, such as the Greenworks 48V brushless mower, provide quieter operation and zero emissions. Battery capacity, measured in Ah, determines runtime. A 5.0 Ah battery supports moderate mowing sessions. Choose gas for heavy-duty tasks or cordless for cleaner, quieter slope mowing near homes.
Evaluate Cutting Width Needs
Cutting width influences mowing speed and maneuverability. A 21-inch deck, found on most self-propelled models, balances efficiency with ease of turning on inclines. Wider decks, like the 31.5-inch Tyzar flail mower, cover more ground but require more space and power. Narrower cuts are easier to control on uneven terrain. Consider your yard size and obstacle density. For steep slopes, a manageable width ensures you retain control. Larger widths suit open, moderately sloped areas where speed is a priority over tight maneuvering.
Check Weight and Stability
Weight impacts stability on inclines. Heavier mowers, like the 826-pound Tyzar flail, resist tipping on steep slopes due to their low center of gravity. Lighter models, around 74 pounds, are easier to transport but may require careful handling on grades. Remote control units shift the operator’s position away from the cutting zone, enhancing safety. Evaluate the weight relative to your slope steepness. Heavier builds offer stability, while lighter units offer portability. Ensure the mower’s mass matches the terrain’s demands for safe operation.
Consider Mowing Functions
Mowing functions determine how clippings are handled. Three-in-one models, like the Greenworks 48V kit, offer bagging, mulching, and side discharge options. This versatility helps manage debris on slopes where clippings can accumulate. Mulching returns nutrients to the soil but requires sharp blades. Bagging keeps slopes clean but limits runtime due to full bags. Choose a function that aligns with your maintenance goals. For steep slopes, mulching or side discharge may be preferable to avoid frequent bag emptying during the climb.
Frequently asked questions
Which lawn mower is best for gentle slopes?
The Greenworks 40V 21-Inch Self-Propelled Mower is the top choice for moderate inclines. Its rear-wheel drive system provides reliable traction on gentle grades. The brushless motor ensures quiet operation while maintaining consistent power. This model suits homeowners who need a quiet, efficient tool for everyday slope mowing.
What is the best mower for steep hills?
The Tyzar Professional Gas Crawler Mower handles up to a 45% slope. Its remote control operation keeps you safe on steep terrain. The crawler design offers stability where traditional wheels might slip. This gas-powered model is ideal for steep, uneven yards where safety and grip are priorities.
Do I need a remote control mower for slopes?
Remote control mowers are best for steep or dangerous inclines. Models like the Tyzar 459cc Hybrid Flail Mower allow you to operate from a safe distance. This is crucial for steep slopes where walking is risky. For gentle grades, a self-propelled mower with rear-wheel drive is usually sufficient.
How wide should the cutting deck be for slopes?
Most slope mowers feature a 21-inch cutting width. The Greenworks and Tyzar self-propelled models use this standard size. It balances maneuverability with efficient coverage on inclines. Wider decks, like the 31.5-inch flail mower, require more space to turn safely on steep terrain.
Is a gas or electric mower better for slopes?
Electric models like the Greenworks 40V offer quiet operation and lower maintenance. Their brushless motors provide consistent power for moderate slopes. Gas models, such as the PowerSmart 170cc, deliver raw torque for tougher terrain. Choose electric for convenience and gas for heavy-duty performance on challenging grades.
Can I use a zero-turn mower on slopes?
Zero-turn mowers are generally not recommended for steep slopes. The Tyzar 21.65" 9HP Gas RC Mower is a zero-turn design but requires remote operation for safety. Standard zero-turn mowers lack the stability needed for inclines. Remote control crawlers are the safer alternative for steep, uneven ground.
What is the best mulching mower for slopes?
The Tyzar 459cc Hybrid Flail Mower is the best mulching option. It features a dedicated mulching function and a flail deck for dense overgrowth. This heavy-duty machine handles steep slopes where standard blades might clog. It is ideal for professionals managing thick vegetation on inclines.
How heavy should a slope mower be?
Weight affects stability on inclines. The Greenworks 40V weighs 73.9 pounds, making it manageable for most users. Heavier models like the Tyzar crawler weigh 286 pounds for maximum grip on steep terrain. Lighter mowers are easier to transport but may require more careful handling on sharp slopes.
