Updated:18 October 2026
Rank 1-13 of the best Petrol Lawn Mowers 40cm Cutting Width
Our recommendation Price Customer rating
1. Comparison winner
Spectrum TG40SE Petrol Lawnmower 40 cm Self-Propelled Electric Start 139cc 40 L Collector 5 Year Warranty
Spectrum TG40SE Petrol Lawnmower 40 cm Self-Propelled Electric Start 139cc 40 L Collector 5 Year Warranty
Available immediately
free shipping
  • cutting width of 40 cm enabling efficient mowing in small to medium lawns
  • engine power 3.7 horsepower (2.7 kilowatts) at 2800 rpm
  • cutting height adjustment seven positions from 25 mm to 75 mm controlled by a single lever
Our rating
9,8
very good
2. Bestseller
NAX 1000S Self-Propelled Lawn Mower with Briggs & Stratton 125 cm3 Engine, 42 cm Width
NAX 1000S Self-Propelled Lawn Mower with Briggs & Stratton 125 cm3 Engine, 42 cm Width
Available immediately
free shipping
  • 42 cm width for efficient cutting
  • combustion engine with 125 cm³ capacity
  • mowing height adjustable from 25 to 75 mm
Our rating
9,8
very good
3. Best value
Einhell Petrol Lawn Mower GC-PM 40/2 S
Einhell Petrol Lawn Mower GC-PM 40/2 S
Available immediately
free shipping
  • cutting width of 40 centimetres for mowing larger areas
  • two kilowatts of power provide strong performance for medium to large lawns
  • cutting height can be adjusted in seven settings from 25 to 75 millimetres
Our rating
9,6
very good
Cobra M40CVX Petrol Lawn Mower
Cobra M40CVX Petrol Lawn Mower
Available immediately
free shipping
  • 40.6 cm cutting width allows precise mowing near walls and borders
  • 131 cc engine provides reliable performance for small to medium lawns
  • adjustable cutting height with 7 settings from 25 mm to 75 mm to match lawn conditions
Our rating
9,6
very good
RocwooD 41cm Self Propelled Petrol Lawn Mower 132cc
RocwooD 41cm Self Propelled Petrol Lawn Mower 132cc
Available immediately
free shipping
  • cutting blade width of 43 cm
  • effortless operation with a 132cc engine
  • adjustable cutting heights from 25mm to 75mm
Our rating
9,6
very good
Scheppach MP132-42 Petrol Lawn Mower
Scheppach MP132-42 Petrol Lawn Mower
Available immediately
free shipping
  • 42 cm cutting width for easy manoeuvrability
  • 131 cc petrol engine providing 2.4 kW of power
  • central height adjustment with 7 settings from 25 to 75 mm
Our rating
9,6
very good
Husqvarna LC 140SP Petrol Lawn Mower 2.6 hp Self-Propelled 40 cm Cutting Width
Husqvarna LC 140SP Petrol Lawn Mower 2.6 hp Self-Propelled 40 cm Cutting Width
Available immediately
free shipping
  • cutting width of 40 centimetres
  • power output of 1.95 kilowatts
  • central cutting height adjustment with 10 settings from 25 to 75 millimetres
Our rating
9,5
very good
Hyundai 16" Petrol Lawnmower, 79cc, 40cm Blade
Hyundai 16" Petrol Lawnmower, 79cc, 40cm Blade
Available immediately
free shipping
  • 400mm cutting width ideal for small to medium lawns
  • 79cc engine provides easy starting and low fuel consumption
  • 6 adjustable cutting heights for a perfect lawn finish
Our rating
9,5
very good
VonHaus 132cc Petrol Self-Propelled Lawn Mower, 40cm Cutting Width, 40L Collection Bag, 7-Position Height
VonHaus 132cc Petrol Self-Propelled Lawn Mower, 40cm Cutting Width, 40L Collection Bag, 7-Position Height
Available immediately
free shipping
  • cutting width of 40 centimetres for covering more ground in each pass
  • 132 cubic centimetres petrol engine with recoil start for reliable starting and strong performance through thick grass
  • cutting height adjustable from 25 millimetres to 70 millimetres
Our rating
9,5
very good
Hyundai 16-inch Petrol Lawnmower, 139cc, Hand-Push, 7-Setting Cutting Heights (25–75mm), 40L Grass Bag, 3-Year Warranty
Hyundai 16-inch Petrol Lawnmower, 139cc, Hand-Push, 7-Setting Cutting Heights (25–75mm), 40L Grass Bag, 3-Year Warranty
Available immediately
free shipping
  • 40 cm cutting width provides a wider mowing area per pass
  • 139 cc petrol engine delivers reliable power for small to medium gardens
  • 7 adjustable cutting heights via a single lever from 25 mm to 75 mm
Our rating
9,1
good
Scheppach MP132-40 Petrol Lawn Mower
Scheppach MP132-40 Petrol Lawn Mower
Available immediately
free shipping
  • 40 cm cutting width for easy manoeuvring in gardens up to 600 m²
  • Engine power of 2.4 kW for reliable mowing
  • Cutting height adjustment from 30 to 66 mm
Our rating
9,0
good
Q Garden QG40-145SP Self Propelled Petrol Lawnmower
Q Garden QG40-145SP Self Propelled Petrol Lawnmower
Available immediately
free shipping
  • 40cm cutting width for efficient mowing
  • 146cc engine delivers smooth and powerful performance
  • cutting heights adjustable from 25mm to 75mm
Our rating
8,8
good
FUXTEC FX-RM4180 Petrol Lawnmower
FUXTEC FX-RM4180 Petrol Lawnmower
Available immediately
free shipping
  • 40cm cutting width for efficient mowing of areas up to 400 square metres
  • 1.3kW petrol engine for powerful performance in small lawns
  • cutting height adjustment from 25 to 55mm for tailored grass length
Our rating
8,8
good

Similar Petrol Lawn Mower 40cm Cutting Width comparisons

Petrol Lawn Mowers 40cm Cutting Width buying guide: How to choose the right product from the above Petrol Lawn Mowers 40cm Cutting Width test or comparison

Understanding the Petrol Lawn Mower 40cm: Key Features and Benefits

What Makes a 40cm Petrol Lawn Mower Unique?

A petrol lawn mower with a 40cm cutting width strikes an excellent balance between maneuverability and power. This size is particularly suited for medium-sized gardens, allowing us to cover a generous area without the mower feeling cumbersome. The 40cm width means we can navigate through tight spaces and around garden features like flower beds or tree roots with ease. Equipped with a robust engine, these mowers not only tackle grass but can also handle slightly uneven terrain, making them a good choice for varied gardens.

Benefits of Choosing a Petrol Lawn Mower

Opting for a petrol lawn mower offers significant benefits. These machines typically deliver more power than electric counterparts, enabling us to tackle thicker grass and tougher growth without bogging down. They provide greater range without the limitation of a power cord, allowing us the freedom to move around large gardens efficiently. Also, they require less downtime since we don’t need to worry about charging batteries, making them great for regular usage. Plus, the sound of a petrol engine can often feel more robust and reassuring as we mow.

How to Choose the Right Petrol Lawn Mower for Your Garden Size

Assessing Your Garden Size and Terrain

When we’re selecting a petrol lawn mower, it’s essential to first assess our garden size and the type of terrain we’re dealing with. For gardens less than 500 square metres, a 40cm model is often sufficient. However, larger areas may benefit from wider cutting options available in other models. Consider whether the ground is mostly flat or if there are slopes and uneven patches, as this can influence our choice. A mower with good traction will make mowing on hills much easier.

Features to Look For Based on Garden Size

In addition to the cutting width, we should look at the height adjustment settings on our mower. A range of height settings allows us to manage the grass length more effectively, especially if we have a variety of grass types in our garden. If our garden features obstacles like trees or flower beds, a mower that is easy to turn and manoeuvre will save us time and frustration. Furthermore, if our garden is prone to fallen leaves or debris, selecting a model that includes a collection bag can ease the clean-up process.

Easy Maintenance Tips for Your Petrol Lawn Mower

Regular Maintenance for Longevity

Maintaining our petrol lawn mower doesn’t have to be daunting. Simple regular checks can significantly extend the life of the machine. We should start by cleaning the mower after each use to remove grass clippings and dirt from the blades and underside. Checking the oil level regularly is also crucial. Changing the oil at the beginning of each mowing season ensures the engine runs smoothly. We can also inspect the air filter frequently; a clean filter keeps the engine’s air supply clean, improving performance.

Seasonal Checks to Keep Performance High

As the mowing season progresses, we should also check the blade sharpness. Dull blades tear grass rather than cutting cleanly, which can leave our lawn looking uneven. Sharpening the blades at least once during the season is advisable. Additionally, before we store our mower for the winter, running it dry and adding fuel stabiliser can prevent any issues when we bring it out next season.

Maximising Efficiency: Best Practices for Using Your Petrol Lawn Mower

Mowing Techniques for Better Results

Using our petrol lawn mower wisely can enhance our results significantly. It’s beneficial to mow when the grass is dry, as this helps achieve a cleaner cut and reduces any clumping of grass clippings. We can create an organised mowing pattern by cutting in straight lines and overlapping slightly with each pass to ensure uniformity. Alternating our mowing pattern each time can also promote healthier grass growth.

Fuel Efficiency Tips

Fuel efficiency can be improved by ensuring our mower is working at its optimal level. This means keeping the blades sharp, maintaining correct tire pressure, and keeping the undercarriage clean. Additionally, using the right fuel consistently helps maximise power and efficiency. If we notice our mower isn’t performing as expected, checking and cleaning filters and spark plugs can often resolve issues.

Key Differences Among Top Models

In our research, we’ve compared several popular petrol lawn mowers with a 40cm cutting width. Each model often brings unique features to the table. Some focus heavily on engine power, while others emphasise ease of use or specific additional features, like self-propelling functions or enhanced safety features. It’s essential for us to consider what aspects are most important based on our own garden needs.

Our Recommendations Based on Performance

From our comparisons, we’ve found certain models consistently stand out based on reliability and user feedback. For powerful and efficient mowing, we recommend looking at models with higher engine displacement, which often translates to better performance on thicker grass. Also, consider those with ergonomic handlebars for added comfort during longer mowing sessions, ensuring the entire experience is as pleasant as possible.

Table of contents
  1. Understanding the Petrol Lawn Mower 40cm: Key Features and Benefits
  2. How to Choose the Right Petrol Lawn Mower for Your Garden Size
  3. Easy Maintenance Tips for Your Petrol Lawn Mower
  4. Maximising Efficiency: Best Practices for Using Your Petrol Lawn Mower
  5. Comparing Popular Models: What We Found in Our Research

Overview

1. Comparison winner
Spectrum TG40SE Petrol Lawnmower 40 cm Self-Propelled Electric Start 139cc 40 L Collector 5 Year Warranty
Our rating
9,8
very good
Spectrum TG40SE Petrol Lawnmower 40 cm Self-Propelled Electric Start 139cc 40 L Collector 5 Year WarrantyAvailable immediately
2. Bestseller
NAX 1000S Self-Propelled Lawn Mower with Briggs & Stratton 125 cm3 Engine, 42 cm Width
Our rating
9,8
very good
NAX 1000S Self-Propelled Lawn Mower with Briggs & Stratton 125 cm3 Engine, 42 cm WidthAvailable immediately
3. Best value
Einhell Petrol Lawn Mower GC-PM 40/2 S
Our rating
9,6
very good
Einhell Petrol Lawn Mower GC-PM 40/2 SAvailable immediately
Cobra M40CVX Petrol Lawn Mower
Our rating
9,6
very good
Cobra M40CVX Petrol Lawn MowerAvailable immediately
RocwooD 41cm Self Propelled Petrol Lawn Mower 132cc
Our rating
9,6
very good
RocwooD 41cm Self Propelled Petrol Lawn Mower 132ccAvailable immediately
Scheppach MP132-42 Petrol Lawn Mower
Our rating
9,6
very good
Scheppach MP132-42 Petrol Lawn MowerAvailable immediately
Husqvarna LC 140SP Petrol Lawn Mower 2.6 hp Self-Propelled 40 cm Cutting Width
Our rating
9,5
very good
Husqvarna LC 140SP Petrol Lawn Mower 2.6 hp Self-Propelled 40 cm Cutting WidthAvailable immediately
Hyundai 16" Petrol Lawnmower, 79cc, 40cm Blade
Our rating
9,5
very good
Hyundai 16" Petrol Lawnmower, 79cc, 40cm BladeAvailable immediately
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
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