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If you regularly tackle large trees, storm cleanup, or heavy firewood cutting, a 20 bar chainsaw offers the bar length and reach needed for big jobs. Choosing the right 20 bar chainsaw matters because longer bars change balance, kickback risk, and the kinds of cuts you can make safely. This guide covers our shortlisted top picks across different power types and ease-of-use features. We evaluate machines for cutting performance, bar and chain durability, safety features, ease of maintenance, and how they behave in real garden and property work. Read on for the factors that matter and practical guidance to match a saw to your tasks.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Husqvarna 455 Rancher Gas Chainsaw, 20-inch, 3.5 HP |  |
| Best Quality Built to a higher standard if you want something more solid | Husqvarna 450 Rancher 20" Gas Chainsaw (50.2 cc, 3.2 HP) |  |
| Best Value The sweet spot between price and what you get | SUPMIXTOOLS 62cc 20" Gas Chainsaw (2-Cycle) |  |
| Best Budget The cheapest option that still gets the job done reliably | GTHAN STORE 62cc Gas-Powered Chainsaw with 20-Inch Bar |  |
| Highest Rated A top-rated pick with lots of positive feedback | NEO-TEC NCS6200 62cc Gas Chainsaw (20/22 in bar) |  |
| Most Popular A crowd favorite that many people choose with confidence | VEVOR 62cc Gas-Powered Chainsaw, 20-inch Guide Bar |  |
Husqvarna 455 Rancher Gas Chainsaw, 20-inch, 3.5 HP
| Power Source | Gas Powered |
|---|---|
| Horsepower | 3.5 hp |
| Chain Length | 20 inches |
The Husqvarna 455 Rancher is a robust gas chainsaw aimed at homeowners and landowners who need a dependable workhorse for tasks like storm cleanup, cutting firewood, and routine tree trimming. It uses a 3.5-HP X-Torq two-stroke engine and a 20-inch bar to deliver strong cutting power while Smart Start and an inertia-activated chain brake simplify starting and improve safety. Practical features such as Air Injection to reduce debris reaching the filter, side-mounted chain tensioning for on-the-fly adjustments, LowVib vibration dampening, and an ergonomic offset front handle make longer jobs less tiring. Maintenance is straightforward thanks to the automatic oiler and accessible tensioning, but being a gas model it requires fuel mixing and periodic engine upkeep that electric alternatives avoid. Its weight and fuel noise are typical for this class, so expect more vibration and emissions than battery or corded saws. For someone who needs reliable, professional-level cutting performance in an all-around package, this model balances power and user-friendly features well.
Best for: Buyers who want a capable, versatile saw for frequent property maintenance and heavier cutting tasks and who prioritize cutting performance and durability over quieter electric operation.
Less Ideal for: Casual users with small yards or those who prefer low-noise, low-maintenance electric or battery saws should consider lighter alternatives.
- Powerful 3.5-HP X-Torq engine suitable for heavy cutting and firewood
- Smart Start and inertia chain brake for easier starting and improved safety
- Air Injection centrifugal system reduces debris reaching the air filter to extend engine life
- Side-mounted chain tensioning and automatic oiler simplify adjustments and routine maintenance
- Requires gas and oil mixing and regular engine maintenance unlike battery models
- Heavier and louder than electric chainsaws, which can increase fatigue and noise on long jobs
Verdict: Choose the 455 Rancher when you need a durable, pro-capable gas chainsaw that balances strong cutting power with user-focused features for regular property work.
Husqvarna 450 Rancher 20" Gas Chainsaw (50.2 cc, 3.2 HP)
| Power Source | Gas Powered |
|---|---|
| Horsepower | 3.2 hp |
| Chain Length | 20 inches |
The Husqvarna 450 Rancher is a workhorse gas chainsaw aimed at users who need reliable power for pruning, yard cleanup, and firewood cutting. It pairs a 50.2-cc X-Torq two-stroke engine with a 20-inch bar to deliver strong cutting performance and steady torque under load. Practical features include Smart Start and an air purge for easier, quicker startups and an Air Injection centrifugal pre-cleaning system that reduces debris reaching the air filter to help engine longevity. LowVib technology, an ergonomic rear handle and soft inlay improve comfort during extended use, and an inertia-activated chain brake adds a safety layer against kickback. Expect robust power and professional handling, but also the usual maintenance needs of a gas saw such as fuel mixing, routine filter and spark plug service, and higher noise and emissions compared with battery models. For buyers wanting consistent heavy-duty cutting and proven engine performance, this model is a solid choice; for very light occasional jobs, it may be more saw than necessary.
Best for: Experienced homeowners and semi-pro users who prioritize sustained cutting power and durability for frequent tree work, firewood cutting, and heavy yard cleanup.
Less Ideal for: Casual users with only occasional light trimming needs or those who prefer low-noise, low-maintenance battery tools.
- Powerful 50.2-cc X-Torq engine delivers strong cutting performance for heavy tasks
- Smart Start and air purge make starting quicker and less finicky
- Air Injection centrifugal system reduces debris in the air filter for longer service intervals
- Ergonomic design with LowVib and soft inlay improves comfort during extended use
- Requires regular gas and two-stroke oil mixing and routine maintenance inherent to gas engines
- Heavier and louder than cordless electric alternatives
Verdict: Choose the Husqvarna 450 Rancher when you need a durable, high‑power gas chainsaw for frequent heavy cutting tasks.
SUPMIXTOOLS 62cc 20" Gas Chainsaw (2-Cycle)
| Power Source | Gas Powered |
|---|---|
| Horsepower | 4.2 hp |
| Chain Speed | 8500 Rpm/Min |
| Chain Length | 20 inches |
The SUPMIXTOOLS 62cc 20-inch gas chainsaw is a powerful 2-cycle saw built for homeowners and light pros who need strong cutting performance. It uses a 62cc 2-stroke engine that delivers high chain speed and roughly 4.2 horsepower, making it capable of cutting larger logs, limbing, and routine tree work. The saw ships with a 20-inch guide bar, low-kickback chain, basic toolkit, spare spark plug, and a fuel mixing bottle so you can get started after assembly. Practical benefits include strong cutting power for firewood and felling medium trees, an ergonomic balance that helps reduce fatigue during longer sessions, and a chain brake and safety switch for added protection. Note that it is a carbureted gas engine so you should expect routine maintenance such as mixing fuel, sharpening/adjusting the chain, and periodic tuneups; it is also heavier and louder than electric alternatives. If you need dependable, high-power cutting in areas without electricity, this model supplies the necessary performance but requires careful handling and upkeep.
Best for: Buyers who need a traditionally powered saw with strong cutting ability for firewood, tree trimming, and occasional felling and who prefer established gas-engine reliability over battery alternatives.
Less Ideal for: People who want the quietest, lowest-maintenance option or who primarily work in small yards with easy access to electricity should consider electric or battery chainsaws instead.
- Powerful 62cc 2-stroke engine suitable for demanding cutting tasks
- 20-inch guide bar and low-kickback chain for efficient cutting of larger logs
- Includes starter kit items useful for first-time setup (toolkit, spark plug, fuel bottle)
- Chain brake and safety switch for added operator protection
- Requires regular gas mixing, maintenance, and tuning typical of carbureted 2-stroke engines
- Heavier and louder than battery or electric chainsaws, which affects transport and noise
Verdict: Choose this saw if you need a robust gas-powered 20-inch chainsaw that delivers real cutting power for demanding outdoor jobs.
GTHAN STORE 62cc Gas-Powered Chainsaw with 20-Inch Bar
| Power Source | Gas Powered |
|---|---|
| Horsepower | 4.2 hp |
| Chain Speed | 8500 Rpm/Min |
| Chain Length | 20 inches |
This GTHAN STORE chainsaw pairs a 62cc two-cycle engine and a 20-inch guide bar to handle large cutting jobs like felling medium trees, bucking logs, and clearing thick branches. It arrives with a chain, guide bar, spark plug, fuel mixing bottle, and basic toolkit so you can set it up for use right away. Notable features include a claimed 4.2 HP output and an 8500 rpm chain speed for aggressive cutting, plus starter and choke instructions to help with cold starts. In practice the large bar and high power make quick work of heavy wood, and the included toolkit and manual simplify maintenance and routine tune-ups. Trade-offs are typical for a gas saw of this size: it requires fuel mixing, regular maintenance, and produces vibration and noise that limit use in close residential settings. The saw's weight and 20-inch bar favor outdoor, larger-scale tasks rather than fine pruning. For buyers who need a capable, ready-to-run saw for heavy yard or farm work, this model is a straightforward option; casual users who want low-noise or zero-emission operation should look at electric alternatives.
Best for: Buyers who need a robust, gas-powered saw for heavy yard, farm, or forestry tasks and value immediate cutting power and a full accessory kit to get started.
Less Ideal for: People who prioritize low noise, minimal maintenance, or emissions-free operation for small gardens or close-quarters residential use should consider electric options instead.
- Powerful 62cc two-cycle engine with 4.2 HP for cutting large-diameter wood
- 20-inch guide bar provides extended reach for felling and bucking
- Comes with essential accessories including chain, bar, spark plug, fuel mixing bottle, and toolkit
- High chain speed (8500 rpm) for fast, efficient cutting
- Requires mixed fuel and routine maintenance associated with gas engines
- Produces significant noise and vibration compared with electric models
Verdict: If you need a ready-to-run, high‑power 20-inch gas chainsaw for demanding yard or farm cutting, this 62cc model delivers the muscle and accessories to get the job done.
NEO-TEC NCS6200 62cc Gas Chainsaw (20/22 in bar)
| Power Source | Gas Powered |
|---|---|
| Horsepower | 3.5 hp |
| Chain Length | 22 inches |
| Model Number | Gas Chainsaw NCS6200-20-22 |
The NEO-TEC NCS6200 is a gas-powered chainsaw built around a 62 cc two-cycle engine that delivers about 3.5 horsepower for cutting tasks such as pruning, limbing, bucking, and light felling. It ships set up with either a 20- or 22-inch guide bar and a 0.325" pitch chain, and the design emphasizes usability with an ergonomic wrap-around handle, anti-vibration features, a chain brake, and a trigger lockout for safer starts. The saw uses a premium starter and choke knob intended to make ignition easier and the manufacturer highlights a tuned carburetor for improved fuel efficiency and steady power at high RPM. In practice this model should suit homeowners and pros who need dependable cutting power without heavy electronics. Expect some vibration and typical two-stroke exhaust and maintenance needs like mixing fuel and periodic chain and carburetor tuning, so it requires routine care to stay reliable over time.
Best for: Buyers who prioritize a dependable, high-power gas saw for frequent cutting tasks and want a straightforward mechanical tool they can maintain and repair themselves.
Less Ideal for: People who need a low-maintenance, quiet option for small yards or those who prefer battery or corded electric saws for occasional light use.
- Strong 62 cc engine producing roughly 3.5 HP for demanding cuts
- Options for 20- or 22-inch guide bar to handle different tasks
- Ergonomic wrap-around handle and anti-vibration design for more comfortable use
- Safety features include a chain brake and trigger lockout for controlled starts
- Tuned carburetor and claimed fuel-efficiency for longer run times between refills
- Two-stroke gas engine requires fuel mixing and regular maintenance
- Likely heavier and louder than electric or battery alternatives
Verdict: Choose the NEO-TEC 62cc if you need a robust, serviceable gas chainsaw that delivers professional-level cutting power for demanding 20-inch bar applications.
VEVOR 62cc Gas-Powered Chainsaw, 20-inch Guide Bar
| Engine displacement | 62CC |
|---|---|
| Horsepower | 3.8 hp |
| Chain pitch | 0.325 in |
| Chain links | 76 links |
| Fuel tank capacity | 550 ml |
The VEVOR 62cc gas-powered chainsaw is built to tackle medium to large jobs like felling small trees, cutting firewood, and heavy pruning. Its 3.8 hp two-stroke engine and 20-inch guide bar can cut logs up to about 18 inches in diameter, and a high-revving 12,000 rpm top speed helps it chew through dense wood. The saw includes practical touches such as a longer pull rope and cold/hot start settings to help with starting in varied temperatures, an emergency stop lever, and a corrosion-resistant 45# steel guide bar with a 0.325-inch pitch chain (76 links). The PA6 composite body and separate fuel and chain-oil tanks aim to reduce leaks and withstand outdoor conditions. Expect a substantial tool weight and the usual maintenance demands of a gas saw: you will need proper fuel mixing, routine chain tensioning, sharpening, and periodic engine tuneups. Also plan for noise, vibration, and protective gear when operating. For buyers who prioritize power and cut capacity, this VEVOR delivers straightforward performance, but it requires the typical hands-on upkeep of a 2-stroke gas machine.
Best for: Buyers who need brute cutting power for frequent medium-to-large tree work and accept hands-on maintenance and safety protocols to keep a gas saw performing reliably.
Less Ideal for: Casual gardeners, those who prefer low-maintenance tools, or users who need a quiet, vibration-minimized option should consider electric or battery alternatives instead.
- High cutting capacity with a 20-inch guide bar suitable for logs up to about 18 inches in diameter
- Strong 62cc two-stroke engine rated at 3.8 hp for demanding yard and light-logging tasks
- Cold and hot start options plus an extended pull rope to improve starting reliability in different conditions
- Separate chain oil tank and chain adjuster for on-the-job lubrication and easy tensioning
- Emergency stop and guard design to help limit flying debris and improve operator safety
- Requires regular gas/oil mixing, carburetor adjustments, chain sharpening, and general 2-stroke maintenance
- Relatively heavy and produces typical gas-saw noise and vibration which mandate PPE during use
Verdict: If you want a powerful 20-inch gas chainsaw that handles large-diameter cuts and you are prepared for routine 2-stroke upkeep, this VEVOR is a work-oriented choice.
Choosing the Right 20 Bar Chainsaw: Key Factors to Consider
Engine or Motor Output
A 20-inch bar needs steady, high torque to maintain cutting speed through large-diameter logs. Gas engines deliver sustained power for long cuts and frequent heavy use, while electric and battery motors offer quieter operation and easier starting but can struggle if they are underpowered for continuous large timber work.
Assess the continuous power rating or displacement relative to expected job size. Underpowered saws bog down, which increases wear on the chain and motor and makes cutting slower and more hazardous when the saw stalls mid-cut.
Bar Construction and Oiling
Longer bars see higher friction and heat buildup, so bar quality and automatic oiling are critical. Look for bars with durable sprockets, hardened rails, and reliable oil delivery systems to maintain chain lubrication during extended cuts.
Insufficient oiling or a thin, flexible bar will accelerate wear, increase chain stretch, and cause more frequent servicing. Proper bar maintenance also affects cutting accuracy and safety during deep or prolonged cuts.
Chain Type and Sharpening
Different chains offer tradeoffs between cutting speed, finish, and durability. Low-vibration or anti-kickback chains reduce user fatigue and risk, but may cut more slowly than full chisel cutters. Consider how easy the chain is to sharpen and whether common file guides or round files fit the cutter geometry.
Chains that are easy to service in the field mean less downtime during multi-day jobs. Frequent sharpening needs also indicate either a very soft chain steel or the type of wood you plan to cut, so match chain choice to typical timber species.
Safety Features
Long bars increase the chance of kickback and unpredictable leash points. Essential safety features include an effective chain brake, anti-vibration handles, and a responsive throttle lock that prevents accidental acceleration. Clear chain catchers, handguards, and good front-handle control also reduce risk when cutting awkward limbs.
Beyond hardware, consider ergonomics that let you keep a secure two-handed grip and the saw's ease of stopping when a kickback begins. Safety equipment and predictable handling are among the most important selection factors for 20-inch bars.
Weight, Balance, and Handling
A 20-inch bar shifts the center of mass forward. How that weight is distributed affects how long you can comfortably hold the saw and how precisely you can place cuts. Lighter saws ease fatigue but may sacrifice vibration damping and durability; heavier saws can be steadier but tire the operator faster.
Evaluate handle positions, grip surface, and overall balance for the typical cuts you make. Well-balanced saws reduce strain on the shoulders and wrists, improving safety and cutting speed during long sessions.
Serviceability and Parts Access
Long-term ownership involves chain replacements, sharpening, filter cleaning, and tension adjustments. Easy access to air filters, spark plugs or battery packs, and chain tensioners saves time in the field. Tool-free or minimal-tool designs speed routine service and help you return to work faster.
Consider local availability of replacement chains and bars, and whether common maintenance items use standardized parts or proprietary designs that complicate repairs.
When a 20-Inch Bar Is the Right Choice
A 20-inch bar expands your effective reach and lets you cut larger diameter logs in fewer passes. This length is useful for mature shade trees, large limb removal, and cutting standing or fallen timber into manageable firewood rounds.
Choose a 20-inch bar when you regularly face wood over 12 inches in diameter and need to finish cuts quickly. If you only trim small branches and shrubs, a shorter bar will be easier to control and maintain.
- Best for large limbs, medium-diameter trunks, and storm cleanup
- Avoid for detailed pruning or tight canopy work where maneuverability matters
- Pairs well with saws that have higher torque ratings
Gas Vs Battery for Long-Bar Work
Gas saws traditionally offer the torque and continuous runtime that long bars demand, which matters during heavy-duty cutting or remote jobs without power. They can be heavier and noisier, but they keep working through long shifts when refueled properly.
Battery saws provide quieter operation, instant starting, and lower maintenance. Modern high-capacity batteries can handle many cuts, but runtime drops during continuous heavy work. If you choose battery power, pick a platform with spare battery options and high continuous discharge capability.
- Gas: better for sustained high-load cutting
- Battery: cleaner, lower vibration, needs spare batteries for long jobs
Practical Tips for Using a 20-Inch Chainsaw Safely
Plan cuts and clear escape paths before you start. Longer bars can snag or pivot unexpectedly on roundwood, so make relief cuts where necessary and avoid cutting above shoulder height.
Maintain correct chain tension and keep the bar properly lubricated. Inspect the bar rails and sprocket nose before each use. Use firm two-handed grips and stand off to one side of the cut to reduce exposure to kickback.
Wear appropriate protective gear including helmets, eye protection, cut-resistant trousers, and hearing protection. Longer bars are not inherently unsafe, but they require disciplined technique and regular maintenance to remain predictable.
- Make relief cuts on tight knots or complex limbs
- Keep both feet planted and shift weight rather than overreaching
- Check oil flow at startup and after long cuts
Bar and Chain Maintenance Schedule
Create a simple maintenance routine: check chain tension and sharpness before each use, inspect the bar for burrs or wear after heavy cuts, and clean the oiling port and drive sprocket weekly during heavy use. Frequent inspections catch issues that accelerate wear on longer bars.
Rotate or replace the chain when sharpening no longer restores efficient cutting, and run the bar rails and nose to remove small burrs. Keep a spare chain and basic file kit with you when working remotely to minimize downtime.
- Daily: tension, oil level, quick visual bar inspection
- Weekly: clean sprocket and oiling system, inspect bar rails
- Seasonal: professional tune-up or detailed inspection
Transporting and Storing a Long-Bar Saw
Long bars require more consideration for transport and storage. Use a rigid scabbard for the bar and secure the saw in your vehicle to prevent the bar from contacting other gear. Avoid leaving the saw with fuel in the tank for extended storage periods.
Store chainsaway from moisture and clean the saw after muddy or wet jobs to prevent corrosion. For battery models, store batteries at manufacturer-recommended charge levels and temperatures to preserve life.
- Use a bar cover when loading transport
- Stow in a ventilated, dry area
- Drain fuel or stabilize for long-term storage
How We Chose the Best 20 Bar Chainsaw
We assembled this list by applying practical, garden-focused filters that reflect how a 20-inch bar changes real-world use. Primary evaluation criteria included cutting power and torque under load, because longer bars demand sustained power to slice through large-diameter wood; bar and chain durability, since replacement frequency affects long-term cost and downtime; safety features and kickback mitigation, given the greater risks with long bars; ease of maintenance in the field, such as chain tensioning, air filter access, and tool-free adjustments; and overall ergonomics and balance when holding a longer-bar saw for extended periods. We excluded compact, homeowner-only saws and any machines with inadequate bar ratings for continuous heavy cutting. We also filtered out units missing basic safety equipment like chain brakes. The result is a shortlist of saws that meet real-duty performance, serviceability, and safety standards gardeners need for large-tree work and frequent firewood production.
FAQ
Is a 20-inch bar too big for home firewood cutting?
It depends on tree sizes you face. A 20-inch bar is useful if you often cut logs over a foot in diameter. For occasional small-diameter firewood, a shorter bar offers easier handling and lower fatigue.
How often will I need to sharpen the chain with a 20-inch bar?
Sharpening frequency depends on the wood species and how often you cut. Hard or dirty wood will dull a chain faster. Expect to touch up files during long sessions and more complete sharpening after several hours of continuous cutting.
Can battery-powered saws handle a 20-inch bar for serious work?
Modern high-capacity battery saws can handle many medium workloads, but continuous heavy cutting may deplete batteries quickly. If you choose battery power, plan for spare batteries or shorter shifts.
What safety gear is essential when using a 20-inch chainsaw?
Essential gear includes a helmet with face or eye protection, hearing protection, cut-resistant trousers, gloves, and sturdy boots. Also use a reliable chain brake and maintain a correct two-handed grip while cutting.
Does a longer bar increase kickback risk?
Longer bars can increase the chance of kickback because they offer more leverage at the nose and can contact wood farther ahead of the operator. Proper chain choice, a functioning chain brake, and correct cutting technique reduce that risk.
Final Verdict
Choosing a 20-inch bar chainsaw is about matching job demands to machine capabilities. Prioritize consistent torque, robust bar and chain construction, and safety systems when selecting a long-bar saw. Balance weight and ergonomics against runtime and serviceability to find the best fit for your cutting routine. If you expect frequent heavy cutting, favor higher continuous power and ease of maintenance; for lighter or intermittent work, prioritize lighter handling and simpler servicing.
