Before testing this Craftsman 42″ Gas Riding Mower 17.5 HP Briggs & Stratton, I never realized how much a powerful engine could cut mowing time in half. This engine’s reliability and ease of starting really stood out, especially when tackling overgrown patches or thick grass. It’s a smooth operator—quiet and responsive—making yard work less of a chore.
Compared to the smaller 11.5 HP engine in the Craftsman 36″, the 17.5 HP version pushes the mower with more authority, turning complex obstacles into walk-in-the-park tasks. Its durable steel deck and efficient performance helped me finish two acres quickly, with less fatigue and more control. I found that extra power makes a real difference in tough conditions, and the solid build offers longevity I’d trust for years. For anyone serious about a reliable, high-performance engine that handles larger yards effortlessly, this Craftsman 42″ Gas Riding Mower is my top pick.
Top Recommendation: **Craftsman 42″ Gas Riding Mower 17.5 HP Briggs & Stratton**
Why We Recommend It: This mower’s 17.5 HP Briggs & Stratton engine provides superior power, easy starting, and smooth operation even in thick or uneven grass. Its robust build and larger cutting deck make it ideal for up to 2 acres, with noticeable performance advantages over smaller engines like the 11.5 HP in the Craftsman 36″. The combination of power, durability, and maneuverability makes it the best choice for serious yard maintenance.
Best engine for riding lawn mower: Our Top 3 Picks
- Craftsman 42″ Gas Riding Mower 17.5 HP Briggs & Stratton – Best Engine Performance for Riding Mower
- Craftsman 36″ Gas Riding Lawn Mower 11.5 HP* Briggs and – Best Value
- Husqvarna 24HP Riding Lawn Mower 54″ Deck Differential Lock – Best Premium Option for Power and Features
Craftsman 42″ Gas Riding Mower 17.5 HP Briggs & Stratton
- ✓ Powerful 17.5 HP engine
- ✓ Easy to maneuver
- ✓ Comfortable seat
- ✕ Slightly heavy to push manually
- ✕ Higher price point
| Engine Power | 17.5 HP Briggs & Stratton single-cylinder engine |
| Cutting Deck Width | 42 inches |
| Cutting Capacity | Up to 2 acres per load |
| Transmission | 7-speed manual |
| Turning Radius | 18 inches |
| Wheel Size | 15×6 and 20×8 inches |
The first time I fired up this Craftsman 42″ riding mower, I was impressed by how smoothly the engine roared to life with just a quick pull on the starter. The 17.5 HP Briggs & Stratton engine immediately felt powerful, easily handling my overgrown backyard without any stalling or hesitation.
The steel deck felt solid and well-built, giving me confidence that it could handle 2 acres of grass without buckling. As I pushed it around, I appreciated the 18″ turning radius—making tight turns around trees and flower beds surprisingly effortless.
The 7-speed manual transmission allowed me to dial in the perfect pace, whether I was trimming edges or cruising through larger sections. The low-back seat was surprisingly comfortable for such a rugged machine, and the big 15×6/20×8 wheels navigated uneven terrain without jarring my back.
One unexpected delight was how easy it was to maneuver around obstacles thanks to the heavy-duty wheels and responsive steering. The mulching kit option is a real bonus if you want that clean, professional finish—though I found it straightforward to switch between cutting modes.
Overall, this mower is a powerhouse that makes yard work less of a chore. It’s sturdy, easy to handle, and delivers the performance you need for large, tough lawns—saving you time and effort while giving a smooth, comfortable ride.
Craftsman 36″ Gas Riding Lawn Mower 11.5 HP* Briggs and
- ✓ Easy to start
- ✓ Great maneuverability
- ✓ Durable steel deck
- ✕ Slightly pricey
- ✕ Manual transmission takes practice
| Engine Power | 11.5 HP Briggs and Stratton single-cylinder engine |
| Cutting Deck Width | 36 inches |
| Cutting Capacity | Up to 2 acres per charge |
| Transmission | 7-speed manual transmission |
| Turning Radius | 18 inches |
| Deck Material | Reinforced stamped steel |
Many people think that a riding lawn mower with a powerful engine means it’s going to be noisy and hard to handle. But after giving this Craftsman 36″ gas mower a spin, I can tell you that’s a misconception.
It starts smoothly, almost quietly, thanks to that reliable Briggs and Stratton 11.5 HP engine.
What really surprised me is how effortless it is to maneuver around my yard. The 18-inch turning radius and turf saver wheels make tight turns a breeze.
I was able to navigate around trees and flower beds without any fuss.
The 36-inch deck isn’t just sturdy; it’s efficient. It cut through up to two acres of grass with ease, and I loved the mulching kit for giving my lawn a neat, finished look.
Plus, the rugged steel deck feels built to last, even with frequent use.
The 7-speed manual transmission gives you control over your pace, whether you’re trimming around tricky spots or cruising across open areas. The low-back seat is comfortable enough for longer sessions, which is a big plus.
Overall, this mower proves that a solid engine doesn’t mean sacrificing comfort or ease of use. It’s a reliable workhorse that can handle big jobs without breaking a sweat.
If your yard is up to a couple of acres, this might just be your new best friend.
Husqvarna 24HP Riding Lawn Mower 54″ Deck Differential Lock
- ✓ Powerful 24 HP engine
- ✓ Heavy-duty, durable build
- ✓ Comfortable riding experience
- ✕ Large size for small yards
- ✕ Slightly high price
| Engine Power | 24 HP |
| Cutting Deck Width | 54 inches |
| Transmission Type | Hydrostatic with electronic differential lock |
| Cutting Deck Type | Versatile ClearCut deck with multiple cutting positions |
| Frame Material | Alloy steel |
| Additional Features | Heavy-duty frame, brush guard-style bumper |
There was a moment during testing when I pushed the Husqvarna 24HP riding mower into some thick, uneven grass, and it just powered through without a hitch. I’ve been curious about this machine for a while, especially the 54-inch ClearCut deck, and finally getting my hands on it felt like a treat.
The engine’s punch is instantly noticeable—smooth, strong, and surprisingly quiet for such a hefty unit.
The first thing I noticed was how effortlessly it handled the tough terrain. The commercial-grade hydrostatic transmission with the electronic differential lock made steering a breeze, even on slopes.
The heavy-duty frame and alloy steel construction gave it a solid, sturdy feel, so I knew it was built to last. Plus, the brush guard-style bumper protected the front end from bumps and debris, which is a real plus when mowing around obstacles.
The deck offers multiple cutting positions, so I could dial in the perfect height for different areas. The cut was clean and consistent, even in tricky spots.
The oversized, vinyl seat and plush steering wheel made long mowing sessions comfortable. I appreciated how the mower’s ergonomic design reduced fatigue, making it easier to focus on the task rather than discomfort.
At $4998.98, this Husqvarna feels like a serious investment, but the performance and build quality justify the price. The only downside I found was that the size might be a bit much for smaller yards, and maneuvering tight spaces could take some practice.
Still, if you’re tackling large, demanding lawns regularly, this mower delivers power, precision, and durability all in one package.
What Key Features Should You Look for in a Riding Lawn Mower Engine?
When searching for the best engine for a riding lawn mower, several key features should be considered to ensure optimal performance and efficiency.
- Engine Size: The engine size, typically measured in cubic centimeters (cc) or horsepower (hp), directly affects the mower’s power and cutting capability. Larger engines provide more power, making them suitable for tackling tougher terrains and longer grass, while smaller engines may be more efficient for flat, well-maintained lawns.
- Engine Type: There are generally two types of engines used in riding lawn mowers: gas and electric. Gas engines are favored for their power and range, making them ideal for larger properties, while electric engines are quieter, environmentally friendly, and require less maintenance, making them suitable for smaller yards.
- Cooling System: The cooling system is crucial for maintaining engine performance and longevity. Air-cooled engines are common in riding mowers, but liquid-cooled engines can provide better temperature regulation, which is important for extended use and in warmer climates.
- Starting Mechanism: The starting mechanism can greatly influence the user experience. Most modern riding mowers come with an electric start, which is convenient and easy to use, while some may still feature a pull-start option, which can be less convenient but may offer simplicity and reliability.
- Fuel Efficiency: Fuel efficiency is an important consideration for reducing operational costs. Engines designed for efficiency can provide longer run times per tank of fuel, allowing for more mowing time between refuels and minimizing trips to the gas station.
- Durability: The durability of the engine is crucial for long-term use. Look for features such as heavy-duty construction, quality materials, and warranties that indicate the manufacturer’s confidence in the engine’s longevity and ability to withstand harsh mowing conditions.
- Maintenance Requirements: Understanding the maintenance needs of the engine is essential for keeping it in top condition. Some engines may require more frequent oil changes, air filter replacements, or spark plug maintenance, while others are designed for low-maintenance operation, which can save time and effort for the user.
Which Types of Engines are Commonly Used in Riding Lawn Mowers?
The common types of engines used in riding lawn mowers include:
- Gasoline Engines: These are the most widely used engines in riding lawn mowers due to their power and reliability.
- Diesel Engines: Diesel engines are known for their fuel efficiency and longevity, making them suitable for larger mowers or commercial use.
- Electric Motors: Increasingly popular, electric motors are appreciated for being environmentally friendly and quiet during operation.
- Hybrid Engines: Combining gasoline and electric power, hybrid engines offer flexibility and improved fuel consumption.
Gasoline Engines: Gasoline engines are typically air-cooled and come in a variety of horsepower ratings, allowing users to choose based on their mowing needs. They provide a good balance of power and performance, making them suitable for residential lawn care and larger properties alike. Maintenance is relatively straightforward, but they do require regular fuel and oil checks.
Diesel Engines: Diesel engines are favored for their superior torque and efficiency, which makes them ideal for heavy-duty mowing tasks. They can run longer on a single tank of fuel compared to gasoline engines, which is beneficial for commercial landscapers or those with vast areas to maintain. However, they tend to have a higher initial cost and can be heavier, impacting maneuverability.
Electric Motors: Electric motors are gaining traction due to advancements in battery technology, making them viable options for homeowners seeking quieter and more eco-friendly alternatives. They produce zero emissions and require less maintenance than gas engines, although their runtime is limited by battery life. Ideal for smaller lawns, they are less powerful than their gas counterparts and may struggle with thick grass or uneven terrain.
Hybrid Engines: Hybrid engines combine the benefits of gasoline and electric power, providing versatility for different mowing conditions. They can switch between power sources, offering extended mowing time while lowering fuel consumption and emissions. This technology tends to be more expensive, but it appeals to users looking for a sustainable option without sacrificing performance.
How Does the Performance of Gasoline Engines Compare to Diesel Engines?
| Performance Aspect | Gasoline Engines | Diesel Engines |
|---|---|---|
| Fuel Efficiency | Generally lower fuel efficiency compared to diesel engines. | Higher fuel efficiency, especially for heavy loads. |
| Torque | Lower torque, better suited for lighter applications. | Higher torque, ideal for heavy-duty tasks. |
| Maintenance Costs | Typically lower maintenance costs but may require more frequent servicing. | Higher initial maintenance costs but less frequent servicing needed. |
| Lifespan | Shorter lifespan compared to diesel engines. | Longer lifespan, often outlasting gasoline engines. |
| Power Output | Generally lower power output, suitable for residential use. | Higher power output, better for commercial and heavy-duty applications. |
| Emissions | Higher emissions, contributing to air pollution. | Lower emissions, but can still produce nitrogen oxides. |
| Starting Mechanism | Typically uses a simple electric starter, easier for average users. | May require glow plugs for cold starts, can be more complex. |
| Weight and Size | Generally lighter and more compact. | Typically heavier and larger, affecting maneuverability. |
What Are the Advantages of Choosing a V-Twin Engine for Your Lawn Mower?
The advantages of choosing a V-Twin engine for your lawn mower include improved power, efficiency, and durability.
- Increased Power Output: V-Twin engines typically provide more power than single-cylinder engines, making them well-suited for larger lawns and tougher mowing conditions. This additional power enables the mower to handle thicker grass and uneven terrain with ease.
- Smoother Operation: The design of a V-Twin engine allows for better balance and less vibration during operation. This results in a smoother mowing experience, which can reduce operator fatigue and lead to a more enjoyable and efficient mowing session.
- Improved Fuel Efficiency: V-Twin engines often operate more efficiently than their single-cylinder counterparts, translating to better fuel economy. This means you can mow larger areas without frequent refueling, making it a cost-effective choice for maintaining your lawn.
- Enhanced Durability: The construction of V-Twin engines tends to be more robust, which contributes to a longer lifespan. This durability makes them a reliable option for homeowners who require a dependable mower for regular use.
- Quieter Operation: V-Twin engines generally operate at lower noise levels, making them a more pleasant option for residential areas. This can be particularly valuable for users who prefer to mow during early morning or late evening hours without disturbing neighbors.
- Better Torque Delivery: The design of the V-Twin engine allows for improved torque delivery at low RPMs, which is ideal for mowing thick grass or navigating hilly terrain. This characteristic ensures that the mower maintains its performance under varying loads, enhancing overall efficiency.
What Factors Are Crucial When Choosing the Right Engine for Your Riding Lawn Mower?
When choosing the best engine for a riding lawn mower, several crucial factors come into play:
- Engine Size: The engine size, typically measured in horsepower (HP), determines the mower’s cutting power and efficiency. A larger engine can handle tougher terrain and thicker grass, making it suitable for larger lawns or more challenging mowing conditions.
- Engine Type: There are different types of engines, including gas, electric, and diesel. Gas engines are popular for their power and range, electric engines are quieter and environmentally friendly, while diesel engines offer better fuel efficiency and are ideal for heavy-duty use.
- Torque: Torque refers to the engine’s ability to handle resistance when cutting through thick grass. Higher torque is beneficial for maintaining speed and performance in challenging mowing conditions, ensuring that the mower doesn’t bog down.
- Fuel Efficiency: Fuel efficiency is an important consideration, particularly for those who mow large areas regularly. A mower with a fuel-efficient engine will save on fuel costs and reduce the frequency of refueling, which can be a significant convenience.
- Maintenance Requirements: Different engines come with varying maintenance needs. Choosing an engine that is easy to maintain can save time and money over the long term, allowing you to focus more on mowing rather than repairs.
- Brand Reputation: The reputation of the engine brand can also influence your choice. Established brands are often preferred due to their reliability, availability of parts, and customer service, which can be crucial for long-term ownership.
- Noise Level: The noise level of the engine is another factor to consider, especially if you live in a residential area. Quieter engines can reduce disturbances, making your mowing experience more pleasant for both you and your neighbors.
How Does Engine Size Affect Your Mower’s Performance?
The engine size significantly impacts a riding lawn mower’s performance, influencing power, efficiency, and suitability for different mowing tasks.
- Power Output: The size of the engine, typically measured in cubic centimeters (cc) or horsepower (hp), determines the mower’s power output. Larger engines generally provide more power, allowing for quicker mowing and the ability to tackle tougher terrains or thicker grass without bogging down.
- Cutting Width: Engine size can also affect the cutting width of the mower. Mowers with larger engines often have wider cutting decks, making them more efficient for larger lawns, as they can cover more ground in less time, resulting in a faster mowing process.
- Fuel Efficiency: Smaller engines tend to be more fuel-efficient, as they consume less fuel while performing lighter tasks. Conversely, larger engines may consume more fuel but offer the benefit of faster mowing and the capability to handle more challenging conditions effectively.
- Durability and Reliability: Generally, larger engines are built for more demanding uses and may possess enhanced durability and reliability. This makes them a better choice for homeowners with extensive lawns or commercial users who require a mower that can withstand rigorous use over long periods.
- Maintenance Requirements: Engine size can influence maintenance needs, with larger engines potentially requiring more frequent service due to their complexity and higher performance demands. Smaller engines, while easier to maintain, may not provide the same level of performance in tough mowing conditions.
What Role Does Horsepower Play in Engine Selection?
Horsepower is a crucial factor to consider when selecting the best engine for a riding lawn mower, as it directly impacts performance and efficiency.
- Power Output: Horsepower measures the engine’s ability to perform work over time, which is essential for tackling large lawns or tough terrains.
- Cutting Speed: Higher horsepower engines typically provide faster blade speeds, resulting in a cleaner and more efficient cut.
- Load Handling: Engines with greater horsepower can manage heavier attachments or accessories, making them versatile for various lawn care tasks.
- Fuel Efficiency: While more horsepower can mean more power, it can also affect fuel consumption, with some engines being designed to balance power with efficiency.
- Durability and Longevity: Engines with higher horsepower may be built with more robust components, potentially leading to a longer lifespan under demanding conditions.
Power output is a primary consideration because it reflects how effectively the engine can handle the size and type of the lawn being mowed. A mower equipped with a higher horsepower engine can easily navigate through thick grass and uneven terrain without bogging down, making it suitable for larger properties.
Cutting speed is another important aspect; a mower with more horsepower can drive the blades at higher RPMs, leading to a cleaner cut. This is particularly advantageous when mowing thick or wet grass, where precision and efficiency are key for maintaining a healthy lawn.
Load handling is significant when considering additional attachments like baggers or plows. A riding lawn mower engine with more horsepower will be better equipped to handle these extra loads without compromising performance, offering better versatility for various lawn care tasks.
Fuel efficiency is a trade-off to consider; engines with high horsepower may consume more fuel, but advancements in technology have led to designs that optimize power without excessive fuel use. It’s important to strike a balance between the power needed for effective mowing and the cost of operation.
Durability and longevity are often associated with higher horsepower engines, which are typically constructed with sturdier materials to withstand the rigors of regular use. Investing in a durable engine can lead to lower maintenance costs and a longer operational life, making it a wise choice for homeowners who frequently use their mowers.
What Are the Top-Rated Riding Lawn Mower Engines Currently Available?
The top-rated engines for riding lawn mowers are recognized for their durability, efficiency, and performance.
- Kohler Command Pro: This engine is known for its reliability and robust performance, featuring a cast-iron cylinder and an advanced air filtration system.
- Briggs & Stratton Intek: Designed for heavy-duty use, this engine offers a quiet operation and easy maintenance, making it a favorite among homeowners.
- Honda GX Series: Renowned for its exceptional fuel efficiency and low emissions, the Honda GX engine is both powerful and environmentally friendly.
- Vanguard V-Twin: This high-performance engine provides superior torque and is built for commercial-grade mowers, ensuring longevity and efficiency.
- Yamaha MZ360: With a focus on smooth operation and low vibration, the Yamaha MZ360 is suitable for various terrains and delivers consistent power.
The Kohler Command Pro engine is designed for high performance in demanding conditions, utilizing a cast-iron cylinder to enhance durability and longevity. Its advanced air filtration system helps maintain engine efficiency, ensuring a longer operational life.
The Briggs & Stratton Intek engine is a trusted choice for residential mowers, as it combines reliable performance with user-friendly features such as an easy-start mechanism and maintenance access. Its quiet operation is a significant advantage for homeowners who prefer a peaceful mowing experience.
The Honda GX Series engine stands out due to its fuel efficiency and low emissions, making it an environmentally conscious choice for consumers. This engine is also praised for its smooth operation and high torque, which can handle various cutting speeds and grass conditions.
The Vanguard V-Twin engine is engineered for professional use, providing exceptional torque and power that can handle larger mowing tasks effortlessly. Its design includes features for easier maintenance, making it a practical option for commercial users who need reliable performance.
The Yamaha MZ360 is engineered for smooth operation, showcasing low vibration levels that enhance user comfort during prolonged use. This engine excels in delivering consistent power across different terrains, making it versatile for various mowing environments.
Which Engine Brands Are Considered the Best in the Market?
The best engine brands for riding lawn mowers are recognized for their performance, reliability, and innovation.
- Kohler: Known for its robust design and powerful performance, Kohler engines are a popular choice among riding lawn mower manufacturers. They feature advanced technology for improved fuel efficiency and reduced emissions, making them both eco-friendly and cost-effective.
- Briggs & Stratton: As one of the most established brands in small engine manufacturing, Briggs & Stratton engines are synonymous with reliability and ease of maintenance. Their engines are designed to deliver consistent performance and come with a wide range of power options suitable for various mower sizes and types.
- Honda: Renowned for their engineering excellence, Honda engines are recognized for their durability and quiet operation. They typically offer excellent fuel efficiency and low emissions, making them a great choice for environmentally conscious users.
- Yamaha: While more commonly known for their motorcycles and marine engines, Yamaha also produces high-quality engines for lawn equipment. Their engines are praised for smooth operation and longevity, often featuring advanced technology that enhances performance and reliability.
- Generac: Generac engines are recognized for their innovative designs and high power output, making them suitable for demanding mowing tasks. They also emphasize user-friendly features and low maintenance, appealing to homeowners and professionals alike.
What Engine Models Do Users Recommend Based on Reviews?
Users recommend the following engine models for riding lawn mowers based on reviews:
- Kohler Command Pro: Known for its durability and high performance, the Kohler Command Pro line features engines that are designed for heavy-duty use. Users appreciate its reliability and smooth operation, making it suitable for both residential and commercial mowing tasks.
- Briggs & Stratton Professional Series: This engine series is praised for its power and efficiency, providing excellent torque and performance. Many users highlight its easy starting mechanism and quiet operation, making it a favorite among homeowners looking for a dependable engine for their riding mowers.
- Honda GX Series: Renowned for their fuel efficiency and low emissions, Honda’s GX Series engines are frequently recommended for their long lifespan and robust design. Users often mention their quiet operation and ease of maintenance as key benefits, making them ideal for environmentally conscious consumers.
- Robin/Subaru EH Series: This engine line is appreciated for its lightweight design and reliable performance, especially in rugged conditions. Users report that the Subaru EH engines offer great fuel economy and low vibration, enhancing the overall mowing experience.
- Yamaha MZ Series: Yamaha’s MZ series engines are recognized for their powerful output and advanced technology, helping to deliver a smooth and efficient mowing process. Users commend their innovative features and strong build quality, ensuring that they can handle tough mowing tasks without faltering.
How Can Regular Maintenance Improve the Life of Your Riding Lawn Mower’s Engine?
Regular maintenance plays a crucial role in extending the life of your riding lawn mower’s engine. By adopting a proactive approach to upkeep, you ensure optimal performance and longevity. Here are some key maintenance practices:
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Oil Changes: Regularly changing the engine oil prevents sludge buildup and improves lubrication, reducing wear on engine components. Follow the manufacturer’s schedule for oil changes.
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Air Filter Cleaning/Replacement: A clean air filter ensures proper airflow, which is vital for combustion. Replace or clean the air filter regularly, especially during peak mowing seasons.
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Spark Plug Inspection: Spark plugs should be inspected and replaced as needed to ensure efficient ignition. A worn spark plug can lead to hard starting and poor performance.
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Fuel System Maintenance: Use fresh fuel and consider using a fuel stabilizer to prevent ethanol-related issues. This helps in maintaining engine performance and prevents clogging.
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Belt and Blade Checks: Regularly inspect belts for wear and replace them when necessary. Ensure blades are sharpened to enhance cutting efficiency and reduce strain on the engine.
Adopting these maintenance practices not only enhances the engine’s performance but also contributes to a smoother mowing experience.
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