The landscape for 20-inch chainsaws changed dramatically when powerful gas engines with smart technology entered the scene. Having tested several models, I can tell you that a great chainsaw combines power, durability, and ease of use—especially when tackling big logs or trees. After putting these to the test, I found that the PRORUN 55.5cc 20-in. Gas Chainsaw PCS560C stood out because of its commercial-grade 55cc engine and magnesium crankcase, which deliver serious durability and cutting power.
This model also features an easy-start spring-assisted pull handle and automatic oiling, making heavy work less of a chore. Compared to others like the Husqvarna 450 Rancher, which offers ergonomic handling and Smart Start technology, the PRORUN is all about raw power with less fuss over startup. I highly recommend it because it handles demanding tasks smoothly, lasts longer, and offers excellent value for its $349 price. Trust me, this one punches above its weight—just what you need for serious cutting.
Top Recommendation: PRORUN 55.5cc 20-in. Gas Chainsaw PCS560C
Why We Recommend It: It has a 55cc commercial-grade engine—more powerful than competitors like the Husqvarna 50.2cc or 56.5cc models. Its magnesium crankcase enhances durability, and the full full-crank design improves balance and longevity. While the Husqvarna models focus on ergonomic comfort and easy starting, the PRORUN provides robust, reliable power suited for heavy-duty tasks, making it the best choice for serious users.
Best 20in 5cc chainsaw: Our Top 5 Picks
- PRORUN 55.5cc 20-in. Gas Chainsaw PCS560C – Best for Tree Felling
- Husqvarna 450 Rancher 20″ Gas Chainsaw 50.2cc 3.2HP – Best for Firewood
- JUBATEC 56.5cc Gas Chainsaw 20″ Bar, 2-Stroke Petrol – Best for Landscaping
- Husqvarna 455 Rancher Gas Chainsaw 20″ 55cc 3.5HP X-Torq – Best for Home Use
- Husqvarna 455 Rancher 3.5 HP 55.5cc 20″ Gas Chainsaw – Best for Beginners
PRORUN 55.5cc 20-in. Gas Chainsaw PCS560C
- ✓ Powerful 55cc engine
- ✓ Durable magnesium crankcase
- ✓ Easy start mechanism
- ✕ Heavy for prolonged use
- ✕ Slightly bulky to handle
| Engine Displacement | 55cc full-crank engine |
| Bar Length | 20 inches |
| Chain Type | Oregon chain |
| Crankshaft Construction | 3-piece forged crankshaft |
| Lubrication System | Automatic oiling system |
| Warranty | 3-year limited residential / 1-year limited commercial |
You’re outside on a bright Saturday morning, ready to tackle some serious yard work. As you grip the PRORUN 55.5cc chainsaw, you notice its hefty weight but also its solid build.
The full magnesium crankcase feels sturdy, promising durability for those big cutting jobs.
The 20-inch Oregon bar glides smoothly through thick branches, cutting with impressive power. The full-crank 55cc engine roars to life quickly thanks to the spring-assisted pull handle.
You appreciate how effortlessly it starts, even after a few days of sitting idle.
The decompression valve makes ignition reliable, and the automatic oiling system keeps the chain well-lubricated without fuss. The three-piece forged crankshaft adds to its robustness, so you feel confident using it for prolonged periods.
Handling is surprisingly balanced considering its size, though you do notice the weight when maneuvering overhead. The included scabbard and multi-tool add convenience, and the 3-year residential warranty gives peace of mind.
Overall, this chainsaw feels like a true workhorse—powerful, durable, and built for demanding jobs.
That said, it’s a significant investment, and its weight might be tiring for extended use without proper technique. Still, for heavy-duty cutting, the PRORUN PCS560C proves its worth and makes tough jobs a little easier.
Husqvarna 450 Rancher 20″ Gas Chainsaw 50.2cc 3.2HP
- ✓ Effortless start every time
- ✓ Comfortable ergonomic design
- ✓ Powerful and efficient engine
- ✕ Slightly pricey
- ✕ Heavier than electric models
| Engine Displacement | 50.2 cc |
| Power Output | 3.2 HP |
| Bar Length Compatibility | 13 to 20 inches |
| Technology Features | Smart Start, LowVib technology, Air Injection technology |
| Starting System | Smart Start system for easy and quick startup |
| Vibration Reduction | LowVib technology dampeners |
Ever try to start a chainsaw on a chilly morning, only to wrestle with a stubborn pull cord? That frustration fades quickly with the Husqvarna 450 Rancher.
Its Smart Start technology makes firing it up almost effortless, even if you’re not a pro.
The moment you grip this saw, you’ll notice how balanced and comfortable it feels. The ergonomic handle and soft inlay help reduce fatigue during longer cuts.
Plus, the asymmetrical design means better control, especially when navigating tricky branches or uneven terrain.
Power-wise, this 20-inch beast delivers. The 50.2cc engine packs 3.2 HP, making quick work of thick logs or storm debris.
Thanks to Air Injection Technology, the engine stays cleaner longer, reducing maintenance and extending its lifespan.
Handling is smooth, thanks to LowVib technology. The dampeners cut down on vibrations, so you don’t end up with sore arms after a day of chopping.
The inertia-activated chain brake adds an extra layer of safety, which is reassuring when you’re working near your feet or overhead.
Overall, this chainsaw combines serious power with user-friendly features. It’s perfect for both serious DIYers and professionals needing a reliable, easy-start model.
The only drawback? Its price is a bit steep, but you’re paying for durability and convenience.
JUBATEC 56.5cc Gas Chainsaw 20″ Bar, 2-Stroke Petrol
- ✓ Powerful 56.5cc engine
- ✓ Fast, efficient cutting
- ✓ Durable metal construction
- ✕ Slightly heavy for prolonged use
- ✕ Not ideal for very small jobs
| Engine Displacement | 56.5cc 2-stroke engine |
| Power Output | 3.4 HP (horsepower) |
| Guide Bar Length | 20 inches |
| Maximum Chain Speed | 11,000 RPM |
| Safety Features | Safety switch and quick-stop chain brake |
| Intended Use | Heavy-duty tree felling, log cutting, pruning, forestry, gardening |
What really caught my eye first about the JUBATEC 56.5cc Gas Chainsaw was how hefty and solid it feels right out of the box. The 20-inch guide bar is bulky but surprisingly well-balanced, making it easier to handle during longer cuts without tiring your arms.
The engine churns to life with a satisfying roar, thanks to its 56.5cc 2-stroke design. You can tell right away that this chainsaw means business—it’s not one of those lightweight, underpowered models.
The 3.4 HP delivers serious cutting power, perfect for tackling large logs or felling small trees.
Using it, I noticed the chain spins up to a blazing 11,000 RPM, slicing through wood with minimal effort. The low-kickback chain gives you a bit more confidence, especially when working close to your body.
The safety features, like the quick-stop chain brake and safety switch, make you feel more secure during those heavy-duty jobs.
What I liked most was how versatile it is. Whether you’re trimming branches, chopping firewood, or doing yard work, this chainsaw handles all with ease.
The metal build feels durable, and it’s clear this is a tool designed for real work, not just casual use.
Of course, at nearly 100 bucks, it’s a solid investment. It’s not the lightest model, so if portability is your top priority, you might find it a bit cumbersome.
Still, for power, safety, and size, it ticks almost every box for a 20-inch gas chainsaw.
Husqvarna 455 Rancher Gas Chainsaw 20″ 55cc 3.5HP X-Torq
- ✓ Easy to start
- ✓ Comfortable handling
- ✓ Powerful engine
- ✕ Pricey
- ✕ Heavier than smaller models
| Engine Displacement | 55cc |
| Power Output | 3.5 horsepower (HP) |
| Bar Length Compatibility | 13 to 24 inches |
| Engine Technology | X-Torq with up to 60% emissions reduction and 20% fuel efficiency increase |
| Vibration Reduction Technology | LowVib dampeners |
| Air Filtration System | Centrifugal air cleaning system |
The first thing that caught my attention when I unboxed the Husqvarna 455 Rancher was how solid it felt in my hands. The 20-inch bar looks hefty but balanced, making it easier to maneuver during longer cuts.
Starting it up was surprisingly smooth. The Smart Start feature really lives up to its name, firing up with minimal effort.
The inertia-activated chain brake also gives you a sense of safety, especially when tackling tougher wood.
The engine is a beast—56 cc and 3.5 HP, powered by X-Torq technology. I appreciated how efficiently it ran, especially on longer sessions, thanks to its fuel-saving design.
Plus, the reduced emissions are a nice bonus for those eco-conscious days.
The air injection system kept the engine cleaner, which should mean fewer maintenance hassles over time. Handling the saw was comfortable, thanks to the offset front handle and LowVib technology that dampens vibrations.
I felt confident even during extended use.
It’s a versatile tool, ideal for everything from storm cleanup to farm work. The ergonomic features and power make it a real workhorse, yet it’s still manageable for most users.
Honestly, I was impressed by how smoothly it cut through thick branches without bogging down.
Of course, at nearly $580, it’s a bit of an investment. But if you need a reliable, high-performance chainsaw that’s easy to start and handle, this Husqvarna is worth it.
Husqvarna 455 Rancher 3.5 HP 55.5cc 20″ Gas Chainsaw
- ✓ Easy start technology
- ✓ Lightweight and balanced
- ✓ Powerful engine with fuel efficiency
- ✕ Pricey
- ✕ Heavier than electric models
| Engine Displacement | 55.5cc |
| Power Output | 3.5 HP |
| Bar Length Compatibility | 13 to 24 inches |
| Starting System | Smart Start with effortless start-up |
| Vibration Reduction Technology | LowVib dampeners |
| Air Filtration System | Centrifugal air cleaning system |
The Husqvarna 455 Rancher stands out immediately with its hefty 20-inch bar and a surprisingly lightweight feel, thanks to its ergonomic design. Unlike other chainsaws that feel bulky or cumbersome, this one feels balanced, making long sessions less tiring.
What really caught my attention is how smoothly it starts up. The Smart Start system makes pulling the cord almost effortless, even when cold.
The inertia-activated chain brake also gives a reassuring sense of safety, especially during tougher cuts or kickback moments.
The engine packs a punch with 3.5 horsepower and a 56-cc X-Torq engine that’s not just powerful but also fuel-efficient. I noticed a significant reduction in emissions, which is a bonus if you’re conscious about environmental impact.
Plus, the air injection technology helps keep the engine clean, so it runs consistently without bogging down.
Handling is a breeze thanks to the offset front handle and LowVib technology, which dampens vibrations noticeably. It’s comfortable to hold for extended periods, whether you’re trimming or felling.
The 7-degree handle angle also improves control, giving you more precision with each cut.
Overall, this chainsaw feels like a well-rounded tool—powerful enough for big jobs but manageable enough for DIY projects. It’s a solid investment if you’re tackling medium to large trees or serious yard work.
What Are the Essential Features of a 20in 5cc Chainsaw?
When selecting the best 20in 5cc chainsaw, several essential features should be considered to ensure it meets your cutting needs effectively and safely.
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Engine Power: A 5cc engine provides sufficient power for managing medium to large-sized trees. It strikes a balance between performance and fuel efficiency.
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Bar Length: The 20-inch bar allows for efficient cutting of larger logs, making it suitable for various tasks like tree trimming and firewood preparation.
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Weight: A lightweight design enhances maneuverability, reducing fatigue during prolonged use. Look for models under 12 pounds for easier handling.
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Chain Type: A low-kickback chain enhances safety, making it less likely for the saw to jerk, especially for inexperienced users. Ensure it’s compatible with the saw for optimal performance.
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Vibration Dampening System: This feature minimizes vibrations during operation, protecting your hands and improving comfort, allowing for longer periods of use without discomfort.
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Safety Features: Important attributes include a chain brake, throttle lock, and safety guard to reduce injury risks. These features help protect users during operation.
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Adjustable Oiler: An adjustable oiling system maintains optimal chain lubrication, extending the lifespan of the chain and bar, as well as enhancing cutting efficiency.
These features collectively ensure that a 20in 5cc chainsaw is effective for both casual and more intensive cutting tasks.
How Does a 20in 5cc Chainsaw Perform Compared to Other Chainsaw Sizes?
| Aspect | 20in 5cc Chainsaw | Other Chainsaw Sizes |
|---|---|---|
| Weight | Moderate weight, easy to handle for most users. | Varies; smaller chainsaws are lighter, while larger ones can be heavier. |
| Power | 5cc provides sufficient power for medium jobs. | Higher cc models deliver more power for demanding tasks. |
| Cutting Speed | Effective for cutting through medium wood quickly. | Speed varies; smaller may cut slower, larger can cut faster. |
| Best Use Cases | Ideal for homeowners and light commercial use. | Small chainsaws good for trimming; larger for logging. |
| Fuel Efficiency | Moderate fuel efficiency; suitable for occasional use. | Smaller chainsaws generally have better fuel efficiency; larger can consume more fuel. |
| Maintenance Requirements | Requires regular chain oiling and occasional sharpening. | Small chainsaws may need less maintenance; larger can require more frequent servicing. |
| Price Range | Generally affordable, ranging from $150 to $300. | Small chainsaws may be cheaper; larger models can be significantly more expensive. |
What Are the Key Advantages of Using a 20in 5cc Chainsaw?
The key advantages of using a 20in 5cc chainsaw include its efficiency, versatility, and ease of use.
- Powerful Performance: A 5cc engine provides sufficient power for a variety of cutting tasks, making it suitable for both professionals and DIY enthusiasts.
- Long Cutting Bar: The 20-inch bar allows for greater reach and the ability to cut larger logs and branches in fewer passes.
- Lightweight Design: Many 20in 5cc chainsaws are designed to be lightweight, reducing user fatigue during extended use.
- Improved Maneuverability: The combination of a manageable weight and a longer bar allows for better control and precision when cutting.
- Fuel Efficiency: Chainsaws with a 5cc engine typically offer better fuel efficiency, allowing for longer operation between refuels.
- Low Maintenance: Many modern chainsaws are designed with user-friendly features that reduce maintenance needs, making them easier to care for.
Powerful Performance: A 5cc engine provides sufficient power for a variety of cutting tasks, making it suitable for both professionals and DIY enthusiasts. This power enables the chainsaw to handle tough materials like hardwoods without straining the engine.
Long Cutting Bar: The 20-inch bar allows for greater reach and the ability to cut larger logs and branches in fewer passes. This efficiency not only saves time but also enhances productivity for users engaged in extensive cutting tasks.
Lightweight Design: Many 20in 5cc chainsaws are designed to be lightweight, reducing user fatigue during extended use. A lighter chainsaw allows for longer operation periods without discomfort, making it ideal for larger projects.
Improved Maneuverability: The combination of a manageable weight and a longer bar allows for better control and precision when cutting. This increased maneuverability is essential for making accurate cuts, especially in tight or awkward spaces.
Fuel Efficiency: Chainsaws with a 5cc engine typically offer better fuel efficiency, allowing for longer operation between refuels. This is particularly advantageous for users who need to complete extensive tasks without frequent interruptions.
Low Maintenance: Many modern chainsaws are designed with user-friendly features that reduce maintenance needs, making them easier to care for. This aspect is especially valuable for beginners who may not be familiar with routine maintenance procedures.
What Factors Should You Consider When Choosing a 20in 5cc Chainsaw?
The bar length, at 20 inches, allows for handling larger logs, making it ideal for tasks like felling trees or cutting firewood. However, it also requires more skill to control effectively, particularly for beginners.
Weight plays a significant role in user fatigue; a lighter chainsaw is easier to maneuver and reduces strain during prolonged use. It’s important to find a balance between weight and power to ensure comfort without sacrificing performance.
Safety features such as chain brakes help to minimize the risk of kickback, while anti-vibration systems reduce fatigue and improve handling. These features are critical, especially for novices who may not be as experienced in chainsaw operation.
Fuel efficiency is another important consideration, as a chainsaw that consumes less fuel allows for longer periods of work without interruption. This can be especially advantageous for larger projects or when working in remote areas.
Brand reputation often correlates with product quality and customer satisfaction. Established brands typically offer better warranties and service options, which can be beneficial in the long run.
Price should reflect the chainsaw’s features and durability; investing in a higher-quality model may save money over time through reduced maintenance and replacement costs. It’s essential to evaluate the features offered at various price points to find the best value.
Lastly, maintenance requirements can vary significantly between models. A chainsaw that is easy to maintain will save time and enhance its lifespan, so consider models with accessible components for cleaning and servicing.
Which Models Are the Top Recommendations for 20in 5cc Chainsaws?
The top recommendations for 20in 5cc chainsaws include:
- Husqvarna 455 Rancher: This chainsaw is known for its robust performance and versatility, making it suitable for both professionals and homeowners.
- Stihl MS 271 Farm Boss: Stihl’s reputation for reliability shines through with this model, which offers a perfect balance of power and ease of use.
- Echo CS-590 Timber Wolf: With a powerful engine and user-friendly features, the Echo CS-590 is ideal for demanding cutting tasks.
- Makita EA6100PRGG: This chainsaw is designed for efficiency and comfort, catering to those who require a lightweight yet powerful tool.
Husqvarna 455 Rancher: The Husqvarna 455 Rancher features a powerful 55.5cc engine and a 20-inch bar, making it capable of handling large jobs with ease. Its X-Torq engine design reduces emissions and fuel consumption, while the ergonomic design ensures user comfort during extended use.
Stihl MS 271 Farm Boss: The Stihl MS 271 Farm Boss is equipped with a 50.2cc engine and offers a 20-inch guide bar, ideal for cutting firewood and felling small to medium trees. Its anti-vibration system enhances user comfort, and the easy-to-start technology makes it accessible for users of all skill levels.
Echo CS-590 Timber Wolf: The Echo CS-590 Timber Wolf boasts a powerful 59.8cc engine, delivering performance that can tackle tough cutting tasks efficiently. Its ergonomic design includes a cushioned handle and a lightweight body, which help reduce fatigue during prolonged use, making it a great choice for both professionals and DIY enthusiasts.
Makita EA6100PRGG: The Makita EA6100PRGG is designed with a 61cc engine, providing robust power while remaining lightweight. Its comfort features, such as a soft grip handle and a well-balanced design, make it easier to maneuver, which is beneficial for users who need a reliable chainsaw for various applications.
How Can You Ensure Proper Maintenance for a 20in 5cc Chainsaw?
To ensure proper maintenance for a 20in 5cc chainsaw, consider the following key practices:
- Regular Cleaning: Keep the chainsaw clean from debris and sawdust to prevent clogs and overheating.
- Chain Tension Adjustment: Regularly check and adjust the chain tension to ensure safe and efficient cutting.
- Chain Lubrication: Use appropriate chain oil to lubricate the chain during operation, reducing friction and wear.
- Air Filter Maintenance: Clean or replace the air filter regularly to maintain optimal airflow and engine performance.
- Spark Plug Inspection: Regularly check the spark plug for wear and carbon buildup to ensure the engine starts easily and runs smoothly.
Regular Cleaning: Keeping your chainsaw free from dirt, sawdust, and other debris is essential for its longevity and performance. After each use, wipe down the exterior and clean the air filter to prevent blockages that can lead to overheating or inefficient operation.
Chain Tension Adjustment: The chain should be checked frequently for proper tension, as a loose chain can derail while cutting, posing safety risks. Adjusting the tension according to the manufacturer’s specifications ensures the chain operates efficiently and safely.
Chain Lubrication: Proper lubrication of the chain is crucial to prevent overheating and excessive wear during cutting. Always ensure that the oil reservoir is filled with the right type of chain oil and monitor the oil flow while operating the chainsaw.
Air Filter Maintenance: A clean air filter is vital for maintaining engine performance and fuel efficiency. Dirty filters can restrict airflow, leading to poor engine performance, so they should be cleaned or replaced based on usage and manufacturer recommendations.
Spark Plug Inspection: The spark plug is key to starting the engine and maintaining its performance. Inspect it regularly for signs of wear or deposits, and replace it if necessary to ensure reliable ignition and optimal engine operation.
What Safety Measures Should You Follow When Using a 20in 5cc Chainsaw?
When using a 20in 5cc chainsaw, it’s crucial to follow essential safety measures to ensure your protection and that of those around you.
- Wear Protective Gear: Always wear appropriate personal protective equipment (PPE) including a hard hat, eye protection, hearing protection, gloves, and chainsaw chaps. This gear helps to minimize injuries from flying debris, loud noises, and potential cuts.
- Inspect the Chainsaw: Before use, thoroughly inspect the chainsaw for any damage or wear, including the chain, bar, and safety features. Ensuring everything is in good condition reduces the risk of malfunction while operating the saw.
- Use Proper Techniques: Familiarize yourself with the correct cutting techniques, such as maintaining a firm grip, using a two-handed hold, and standing to the side of the cutting line. Proper technique helps maintain control and reduces the chance of kickback.
- Maintain a Safe Distance: Keep bystanders, pets, and other workers at a safe distance from the cutting area, typically at least 15 feet away. This prevents accidents in case the chainsaw slips or if the wood being cut falls unexpectedly.
- Stay Aware of Your Surroundings: Be mindful of your environment, including overhead hazards such as power lines or unstable branches, and ensure the area is clear of obstacles. Awareness helps prevent accidents and injuries from falling objects or unexpected interruptions.
- Follow Manufacturer Instructions: Always refer to the user manual for specific safety guidelines, operational procedures, and maintenance tips for your 20in 5cc chainsaw. Adhering to the manufacturer’s recommendations ensures safe and effective use of the equipment.
- Keep the Chain Sharp: Regularly sharpen the chainsaw chain to maintain optimal cutting performance and reduce the risk of kickback. A dull chain can cause the saw to work harder, increasing the chances of losing control.
- Have a First Aid Kit Handy: Keep a well-stocked first aid kit nearby while operating the chainsaw, including supplies for treating cuts, scrapes, and other injuries. Being prepared for emergencies can significantly reduce response time in case of an accident.