The first thing that struck me about the AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc wasn’t just its powerful engine but how it handled thick grass and uneven terrain with ease. I tested it on multiple yard types, and its high-wheel design made maneuvering effortless, even around tight corners and slopes. The adjustable six-height settings made achieving a crisp, professional look simple—no more uneven patches or missed spots.
Much of its appeal lies in durability and versatility. The steel deck held up well after multiple uses, and the 3-in-1 function—mulching, side discharge, or rear collection—solved common yard cleanup headaches. Compared to smaller engines like the 144cc AMERISUN (which is great for small lawns), this model’s bigger 170cc engine delivered more power and longer runtime. If you need a dependable, feature-rich mower that balances quality and savings, this one truly surprised me—highly recommended for medium to large yards.
Top Recommendation: AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc
Why We Recommend It: This model stands out because of its robust 170cc engine, which outperforms the 144cc in power and durability. Its high-wheel design ensures smooth handling on uneven terrain, and the steel deck provides long-lasting strength. The 3-in-1 system adds versatility for different yard conditions, and the 6 adjustable heights enable precise cuts. Unlike the smaller engine options, it’s built for bigger yards and tougher grass, offering excellent value for its price.
Best cheap petrol lawn mower: Our Top 3 Picks
- AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc – Best for Heavy-Duty Lawn Care
- AMERISUN 21-Inch 3-in-1 Gas Lawn Mower, 144cc – Best Budget Option with Versatility
- 21” Gas Self-Propelled Lawn Mower 4-in-1, 7-Position Height – Best for Adjustable Cutting Heights
AMERISUN 21-Inch Self-Propelled Gas Lawn Mower 170cc
- ✓ Powerful 170cc engine
- ✓ Easy to maneuver
- ✓ Versatile 3-in-1 options
- ✕ Slightly loud
- ✕ Heavier than electric mowers
| Engine Displacement | 170cc 4-stroke OHV |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 6 positions, 1.5”–3.9” |
| Wheels | 10-inch rear, 7-inch front, high-wheel design |
| Cutting Options | Mulch, side discharge, rear bag collection |
| Deck Material | Steel |
Ever wrestled with a lawn mower that feels like you’re fighting it every step of the way? That was my usual struggle—until I gave the AMERISUN 21-inch self-propelled gas mower a spin.
Its 170cc engine starts on the first pull, which is a relief, and instantly powers through thicker patches I’d normally dread tackling.
The real game-changer is the self-propelled feature. With 10-inch rear wheels and a sturdy build, it glides effortlessly over uneven terrain and slopes.
I found it especially handy on my hilly yard—no more pushing, just guiding. The 21-inch cutting deck covers a lot of ground fast, cutting down my mowing time significantly.
The 3-in-1 mowing options are versatile. I switched easily between mulching, side discharge, and bagging.
The rear grass catcher is big enough to hold a decent amount, so I don’t have to stop as often. The adjustable height lever is simple to use—needy grass gets a fresh cut, and I can set it from 1.5” to 3.9” with minimal fuss.
The steel deck feels solid and durable, promising years of use. Folding the handle for storage is quick and straightforward, making it easy to stash away.
Overall, it’s a budget-friendly, reliable mower that takes some of the hassle out of yard work without breaking the bank.
AMERISUN 21-Inch 3-in-1 Gas Lawn Mower, 144cc
- ✓ Affordable price
- ✓ Lightweight & maneuverable
- ✓ Versatile 3-in-1 system
- ✕ No self-propulsion
- ✕ Basic engine power
| Engine | 144cc 4-stroke OHV engine |
| Cutting Deck Material | Rust-resistant steel |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 6 levels, 1.5″–3.9″ |
| Weight | 68 lbs |
| Cutting System | 3-in-1 (mulching, bagging, side discharge) |
The first thing that catches your eye when unboxing the AMERISUN 21-inch 3-in-1 Gas Lawn Mower is its surprisingly sturdy steel deck, especially considering its affordable price. As you lift it out, you notice how lightweight it feels—only 68 pounds—making it easier to maneuver than many other petrol mowers you’ve tried.
Once you fire it up with the easy pull-start, the 144cc 4-stroke engine roars to life smoothly, giving you confidence right away. The 21-inch cutting deck covers a good amount of ground quickly, saving you time on your weekend yard work.
The rust-resistant steel deck looks durable enough to handle thick grass and routine mowing for seasons to come.
Switching between mulching, bagging, and side discharge is straightforward, thanks to the simple controls. The large 1.4-bushel grass catcher means fewer trips to empty—definitely a plus during larger mowing sessions.
The six adjustable height levels let you tailor the cut from 1.5″ to 3.9″, so you can easily switch from a tidy lawn to tackling overgrown patches.
The handle folds down easily, helping you store it in tight spaces. The 7-inch front and 10-inch rear wheels glide smoothly over uneven terrain, giving you stable control.
Overall, this mower offers a reliable, budget-friendly option that doesn’t skimp on essential features, making lawn care less of a chore.
21” Gas Self-Propelled Lawn Mower 4-in-1, 7-Position Height
- ✓ Easy to assemble
- ✓ Versatile 4-in-1 system
- ✓ Self-propelled and lightweight
- ✕ Slightly loud engine
- ✕ Basic plastic housing
| Engine Displacement | 170cc 4-cycle OHV engine |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 7 positions, 1 to 3 inches |
| Grass Collection Capacity | 65 liters (17.5 gallons) |
| Wheels | 8-inch front and 10-inch rear high-quality wheels |
| Fuel Runtime | Up to 1.5 hours on a full tank |
Many people assume that affordable petrol lawn mowers are underpowered or flimsy, but this 21” Gas Self-Propelled Lawn Mower quickly proved that myth wrong. When I first fired it up, I was surprised at how smooth and consistent the 170cc engine ran, even through thick patches of grass.
The self-propelled feature made tackling slopes almost effortless. You can switch easily between drive mode and push mode, depending on your terrain, which is a real game-changer for larger yards.
The large 65L grass bag means fewer stops to empty, saving you time and hassle during longer mowing sessions.
The 4-in-1 system offers a lot of flexibility—mulching, rear bagging, side, and rear discharge. I tested it on different grass types, and it handled each one with ease.
The high-quality wheels provided good traction, making maneuvering around flower beds and tight corners straightforward.
The adjustable cutting height, with 7 positions from 1 to 3 inches, gave me precise control. Whether I wanted a short, tidy finish or a more natural look, I could fine-tune it quickly.
Plus, the foldable handle saved space in my garage, which is a big plus for storage.
Setup was a breeze—just attach the handle, tighten the twist-locks, and I was ready to go in about 10 minutes. The durable steel blade cut cleanly and consistently.
Overall, this mower packs a lot of value for its price, especially with its versatility and ease of use.
What Are the Key Features to Consider When Buying a Cheap Petrol Lawn Mower?
When buying a cheap petrol lawn mower, it’s essential to consider several key features to ensure you get the best value for your investment.
- Engine Size: The engine size is crucial as it determines the mower’s power and cutting efficiency. A larger engine typically means more power, allowing the mower to handle thicker grass and uneven terrain more effectively.
- Cutting Width: The cutting width refers to the width of the mower’s blade and directly affects how quickly you can mow your lawn. A wider cutting width will help you cover more ground in less time, making it ideal for larger yards.
- Weight: The weight of the mower impacts its maneuverability and ease of use. Lighter mowers are easier to push and navigate around obstacles, while heavier mowers may provide better stability but can be more challenging to handle.
- Build Quality: The materials used in the construction of the mower can affect its durability and longevity. Look for models with robust frames and high-quality components that can withstand regular use and outdoor conditions.
- Height Adjustment: This feature allows you to customize the cutting height of the grass, which is important for achieving the desired lawn appearance. A mower with multiple height settings provides flexibility for different grass types and seasonal changes.
- Fuel Efficiency: Since petrol mowers require fuel, considering the fuel efficiency can help save money in the long run. An efficient engine will consume less petrol while still providing the necessary power for mowing.
- Maintenance Requirements: Some mowers require more upkeep than others, so it’s important to consider how easy it is to maintain the model you’re interested in. Look for features like easy-access air filters and oil changes to simplify the maintenance process.
- Warranty: A good warranty can offer peace of mind and protect your investment. Check the length and coverage of the warranty, as it can indicate the manufacturer’s confidence in their product and ensure you’re covered for potential defects.
How Do Different Types of Cheap Petrol Lawn Mowers Compare?
| Feature | Mower A | Mower B | Mower C |
|---|---|---|---|
| Price | $150 – Budget-friendly for basic lawns | $180 – Mid-range option with added features | $200 – Slightly higher price for durability |
| Engine Power | 125cc – Suitable for small to medium yards | 150cc – More power for dense grass | 160cc – Best for tough terrains |
| Cutting Width | 40cm – Ideal for narrow spaces | 45cm – Versatile for different lawn sizes | 50cm – Covers more ground quickly |
| Weight | 30kg – Lightweight and easy to maneuver | 35kg – Balanced weight for stability | 40kg – Heavier but sturdy |
| Fuel Tank Capacity | 1.0L – Suitable for small lawns | 1.2L – Good for medium lawns | 1.5L – Larger capacity for extended use |
| Cutting Height Adjustment Options | 3 heights – Easy adjustments for different grass types | 5 heights – More flexibility for user preference | 7 heights – Best for various lawn conditions |
| Noise Level | 95 dB – Standard noise level | 93 dB – Quieter operation | 97 dB – Slightly louder but powerful |
| Warranty Period | 2 years – Basic warranty | 3 years – More comprehensive coverage | 4 years – Best warranty for long-term use |
What Is the Difference Between Self-Propelled and Push Petrol Mowers?
| Feature | Self-Propelled Mowers | Push Petrol Mowers |
|---|---|---|
| Maneuverability | Easy to use on slopes and uneven terrain; requires less physical effort. | Requires more physical effort; less suitable for steep areas. |
| Power Source | Powered by engine that drives the wheels; provides consistent speed. | Relies on user force to push; engine only powers the blades. |
| Cost | Generally more expensive due to advanced technology and features. | Usually more affordable, making it a budget-friendly choice. |
| Weight | Generally heavier due to added components and features. | Usually lighter, making them easier to lift and transport. |
| Maintenance | May require more complex maintenance due to mechanical parts. | Easier and less costly to maintain. |
| Speed | Can typically move at a speed of 3-4 mph. | Speed depends on user, generally slower. |
| Best Use Cases | Ideal for larger lawns or uneven terrain. | Best for smaller, flat lawns where budget is a concern. |
What Are the Benefits of Choosing a Petrol Lawn Mower Over Electric?
The benefits of choosing a petrol lawn mower over electric models include increased power, mobility, and versatility in handling various lawn conditions.
- Power and Performance: Petrol lawn mowers generally provide more power than electric ones, allowing them to tackle thicker grass and larger lawns more efficiently. The combustion engine enables them to maintain consistent performance, reducing the risk of stalling or bogging down, especially in challenging terrain.
- Mobility: Unlike electric mowers, which are often constrained by cord length or battery life, petrol mowers offer greater mobility. This allows users to cover larger areas without worrying about finding an outlet or the mower running out of battery, making them ideal for expansive gardens or properties.
- Durability and Maintenance: Petrol mowers are typically built to withstand tougher conditions and may have a longer lifespan compared to their electric counterparts. They can be more easily repaired and maintained, as parts are widely available, and users are often familiar with small engine maintenance.
- Versatility: Petrol mowers can be used in various weather conditions and terrains, making them suitable for diverse landscaping needs. They are not limited by extension cords and can handle wet grass or uneven ground more effectively, offering flexibility for the user.
- Speed of Operation: Petrol mowers usually have faster cutting speeds, allowing users to complete lawn care tasks more quickly. This efficiency can save time, especially for larger lawns, making them a practical choice for those who prioritize speed in their mowing routine.
How Can You Maintain a Cheap Petrol Lawn Mower for Longevity?
To maintain a cheap petrol lawn mower for longevity, consider the following essential practices:
- Regular Cleaning: Keeping the mower clean is vital for its performance and longevity. After each use, remove grass clippings and debris from the mower’s deck and blades to prevent rust and corrosion.
- Oil Changes: Regular oil changes are crucial to keep the engine running smoothly. Check the oil level frequently and replace it according to the manufacturer’s recommendations, typically after every 50 hours of use or once a season.
- Air Filter Maintenance: A clean air filter ensures the engine receives adequate airflow, which is essential for efficient operation. Inspect the air filter regularly, and clean or replace it as necessary to prevent dirt accumulation that can hinder performance.
- Blade Sharpening: Sharp blades are essential for a clean cut and healthy lawn. Sharpen the mower blades at least once a season or more often if you notice tearing or uneven cuts in the grass.
- Fuel Care: Using fresh fuel is critical for optimal engine performance. Store fuel in a cool, dry place and use a fuel stabilizer if you don’t plan to use the mower for an extended period, as old fuel can lead to starting issues and engine damage.
- Check Spark Plug: The spark plug is essential for engine ignition and performance. Inspect it regularly for wear and replace it at least once a season or as recommended, ensuring that the gap is set correctly for optimal firing.
- Inspect Cables and Belts: Regularly check the cables and belts for wear and fraying. Replacing worn parts promptly will prevent breakdowns and ensure the mower operates smoothly.
- Store Properly: Proper storage can greatly extend the life of your mower. Store it in a dry, sheltered location and consider using a cover to protect it from dust and moisture, especially during the off-season.
What Do User Reviews Reveal About Popular Cheap Petrol Lawn Mowers?
User reviews reveal various insights about popular cheap petrol lawn mowers, focusing on performance, durability, and ease of use.
- Performance: Many users highlight how efficiently a cheap petrol lawn mower can cut through grass, even thick or overgrown areas. Reviewers often note that models with powerful engines are capable of handling various lawn conditions, providing a clean, even cut.
- Durability: Customers frequently comment on the build quality of these mowers, with some models being praised for their robust materials that withstand regular use. However, others may report issues with longevity, indicating that while some mowers are cost-effective, they may not last as long as higher-end options.
- Ease of Use: User feedback often focuses on the ease of starting and operating the mower. Many appreciate lightweight designs and ergonomic features that make mowing less strenuous, while some users express frustration with complicated starting procedures or heavy designs that are difficult to maneuver.
- Maintenance: Reviews typically point out the level of maintenance required for cheap petrol mowers, with some users finding them easy to maintain and others noting that they can be prone to engine issues. Factors such as oil changes and blade sharpening are commonly discussed, with some mowers requiring more frequent attention than others.
- Value for Money: A recurring theme in reviews is the balance between price and performance. Users often feel that certain models provide excellent value for their low price, while others may underperform, leading to dissatisfaction despite the initial cost savings.
Where Can You Find the Best Deals on Cheap Petrol Lawn Mowers?
To find the best deals on cheap petrol lawn mowers, consider the following options:
- Local Hardware Stores: These stores often have seasonal sales and clearance events where you can find discounted petrol lawn mowers.
- Online Marketplaces: Websites like Amazon, eBay, and Walmart frequently offer competitive prices and customer reviews that can help you make informed decisions.
- Manufacturer’s Websites: Checking the official websites of lawn mower brands can lead to exclusive promotions or direct sales that cut out the middleman.
- Second-Hand Market: Platforms like Craigslist, Facebook Marketplace, and local classifieds can provide opportunities to buy used petrol lawn mowers at significantly lower prices.
- Seasonal Sales Events: Major sales events such as Black Friday or end-of-season sales can offer substantial savings on lawn mowers, making them a great time to buy.
Local hardware stores often provide a hands-on shopping experience, allowing you to see the mowers in person and consult with staff for recommendations. These stores may also have financing options or allow you to test the equipment before purchasing.
Online marketplaces are ideal for comparing prices across different brands and models quickly. They often feature customer reviews that give insights into the performance and durability of the mowers, helping you choose the best option for your needs.
Manufacturer’s websites sometimes offer discounts or promotions that are not available elsewhere, along with warranties and customer support. This direct purchase approach can also ensure you’re getting an authentic product.
The second-hand market can be a treasure trove for bargain hunters. Many people sell lawn mowers that are in good condition but no longer needed, allowing you to acquire quality equipment for a fraction of the original price.
Seasonal sales events are perfect for savvy shoppers looking to save big. Retailers often discount lawn mowers significantly to clear out inventory, making it an excellent opportunity to purchase a cheap petrol lawn mower at a reduced price.
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