ECHO CS-501P Chainsaw Review


Hey everyone! Today, I’m excited to walk you through my experience with the ECHO CS-501P Chainsaw. As someone who loves diving into outdoor projects, from logging to clearing debris after a storm, I know how important it is to have a reliable chainsaw.

 ECHO CS-501P Chainsaw sitting on the table with chain bar cover

The ECHO CS-501P, equipped with a powerful 50.2 cc engine, really hits the mark, blending power and ease of use like no other. Whether you’re a weekend warrior or a seasoned pro, this chainsaw deserves a spot in your toolshed. Let’s dig into what makes this chainsaw a game-changer.

Specifications of ECHO CS-501P

  • Engine Displacement (cc): 50.2
  • Engine Displacement (cu in): 3.06
  • Ignition System: Digital
  • Oiling System: Automatic/Adjustable (Clutch-Driven)
  • Available Bar Lengths (in): 16, 18, 20
  • Oil Capacity (fl. oz.): 9.5
  • Dry Weight (lb): 10.6
  • Sprocket Cover: Plastic
  • Bar Type: Pro-Lite
  • Sprocket Type: Rim
  • Handle: Aluminum
  • Fuel Capacity (fl. oz.): 16.6

ECHO CS-501P High-Powered Versatility

Right out of the box, the ECHO CS-501P impresses with its power. The chainsaw is equipped with a professional-grade, 2-stroke engine that delivers uncompromising performance.

Person cutting big log using ECHO CS-501P Chainsaw

During my test, the saw handled everything from slicing through a 12-inch ash log to trimming branches off a fallen elm tree with ease. The versatility is further enhanced by the ability to fit 16, 18, or 20-inch bars, giving you the flexibility to tailor the saw to the job at hand.

User-Friendly Features of ECHO CS-501P

One of the first things I noticed was the inclusion of a decompression valve. Starting the CS-501P was a breeze, significantly reducing the effort needed to pull the start rope. Another standout feature is the captive bar nuts on the sprocket cover.

If you’ve ever lost a nut in the leaf-littered forest, you’ll understand how invaluable this feature is. It saves time and frustration, keeping the nuts attached even when loosened. Additionally, the chainsaw features a translucent fuel tank, allowing you to easily monitor the fuel level as you work. Watching the fuel splash around gives a clear indication of how much gas you have left, helping you plan your work without unexpected interruptions.

ECHO CS-501P Durability and Maintenance

ECHO really understands durability with their CS-501P. The Performance Cutting System bar and chain not only enhance cutting efficiency but also withstand tough conditions, a true testament to its robust design. After extensive use, I was impressed to find the air filter almost pristine, thanks to the G-Force Engine Air Pre-Cleaner which significantly reduces maintenance.

Person opening the air filter cover of ECHO CS-501P

The chainsaw’s user-friendly features like tool-less access to the air filter and spark plug simplify maintenance remarkably. These design choices allow anyone, regardless of experience, to easily keep the saw in top condition without specialized tools, ensuring more time is spent working and less on upkeep.

Efficiency at Its Best

Person cutting big log using ECHO CS-501P

The automatic, adjustable clutch-driven oiler is a game-changer. It applies oil to the chain only when it’s moving, which not only improves efficiency but also conserves oil. This feature, combined with the chainsaw’s ability to hold 9.5 ounces of oil, means longer periods between refills, allowing you to focus more on your work and less on maintenance.

Ergonomics and Comfort

Person turning on the ECHO CS-501P in field

Despite its robust capabilities, the CS-501P is surprisingly lightweight for a 50 cc chainsaw, weighing in at only 10.6 pounds. The ergonomic aluminum front handle and well-distributed weight reduce fatigue, allowing for longer use without discomfort. This saw feels both manageable and secure in your hands, even during extended use.

Comparison Table: ECHO CS-501P vs. Stihl MS 271 Farm Boss

Engine Displacement50.2 cc50.2 cc
Weight10.6 lbs (without bar and chain)12.3 lbs (approx, without fuel)
Bar Lengths Available16, 18, 20 inches16-20 inches
Fuel Capacity16.6 fl. oz.16.9 fl. oz.
Oiling SystemAutomatic/adjustable (clutch-driven)Ematic™ system (up to 50% oil savings)
Air Filter SystemG-Force Engine Air Pre-Cleaner™Pre-separation air filtration system
Maintenance FeaturesTool-less access to air filter and spark plugTool-free fuel and oil caps
ErgonomicsErgonomic aluminum handleAnti-vibration system, ergonomic handle
Warranty5 years consumer / 1 year commercial1 year commercial / Limited lifetime for consumers on some parts
Price Range$549.99 – $559.99$489.99

The comparison between the ECHO CS-501P and the Stihl MS 271 Farm Boss highlights distinct features tailored to various user needs. Both chainsaws share similar engine displacements but differ in how they communicate power outputs, with Stihl providing clear specifications. ECHO’s lighter weight may benefit users needing less fatigue during long tasks, while Stihl’s fuel-efficient Ematic™ system offers operational cost savings.

ECHO’s design includes a G-Force Engine Air Pre-Cleaner™ for enhanced durability in harsh environments, and its extended warranty makes it attractive for professional use. Stihl, offering a lower price and a solid consumer warranty, might appeal more to casual users. Ultimately, the choice depends on specific preferences for power, weight, maintenance ease, and budget.

Maintenance Tips

Maintenance is crucial for the longevity and optimal performance of any chainsaw. Enhance the review by providing detailed maintenance tips. Include easy-to-follow instructions for routine maintenance tasks such as:

  • Cleaning the air filter and checking its integrity,
  • Proper methods for checking and replacing spark plugs,
  • Instructions on how to maintain optimal bar oil levels.

Additionally, offers troubleshooting advice for common issues like starting difficulties, unstable idling, and effective chain tensioning. These practical tips will help users keep their chainsaws running smoothly and reduce potential downtime.

Safety Tips

Considering the professional-grade capabilities of the CS-501P, a dedicated section on safety is essential. Provide comprehensive safety guidelines that cover:

  • Necessary protective gear, including helmets, gloves, chaps, and eye protection,
  • Safe starting procedures to prevent accidental engagement,
  • Correct handling techniques to minimize fatigue and risk of injury,
  • Detailed information on the chainsaw’s safety features like the chain brake, anti-vibration mechanisms, and any anti-kickback features.

This section should not only instruct on how to operate the CS-501P safely but also educate users on the importance of safety while operating high-powered equipment.

Concluding Thoughts

After putting the ECHO CS-501P through its paces—from powering through thick logs to detailed trimming—I can confidently say it stands up to its claims. It’s a powerful, efficient, and user-friendly chainsaw that’s well-suited for a wide range of tasks. Whether you’re a professional logger or a homeowner in need of a reliable saw for yard maintenance, the CS-501P is an excellent investment.

For those considering adding this chainsaw to their arsenal, it pairs well with either the larger CS-620 PW for heavy-duty tasks or the lighter CS-2511T for quick and less intensive cuts. But I’m curious to hear your thoughts. If you were to choose, which saw would you pair the CS-501P with? Let me know in the comments below!


  1. What makes the ECHO CS-501P different from other chainsaws in the same class?
    The ECHO CS-501P stands out due to its lightweight yet powerful design. It features a 50.2 cc professional-grade, 2-stroke engine that offers the power needed for heavy-duty tasks without the bulk, making it the lightest 50 cc chainsaw in North America.
  2. Can the ECHO CS-501P run different sizes of bars?
    Yes, the ECHO CS-501P is versatile when it comes to bar sizes. It can accommodate 16, 18, and 20-inch bars, giving users the flexibility to choose the right bar length for various tasks, from felling trees to cutting firewood.
  3. How does the captive bar nut feature benefit users?
    The captive bar nuts are a design feature that prevents the nuts from falling off when loosening the chain for adjustments or maintenance. This is especially useful in outdoor conditions where dropping nuts in the grass or leaves can lead to unnecessary downtime searching for them.
  4. What is the G-Force Engine Air Pre-Cleaner, and how does it improve the chainsaw’s performance?
    The G-Force Engine Air Pre-Cleaner enhances the chainsaw’s performance by reducing the amount of debris and dust that enters the engine. This technology extends the life of the air filter and decreases the frequency of maintenance intervals, ensuring the chainsaw operates at peak efficiency for longer periods.
  5. How does the automatic, adjustable clutch-driven oiler work?
    This feature optimizes the chainsaw’s oil use. It automatically adjusts the oil flow to match the chain’s speed and cutting conditions. This not only improves cutting efficiency but also reduces oil consumption, making operation more cost-effective and environmentally friendly.
  6. What safety features are included in the ECHO CS-501P to prevent accidents?
    The CS-501P includes several safety features such as a performance cutting system that minimizes kickback, an ergonomic front handle for better control and comfort, and a Quick Stop chain brake that halts the chain almost instantly upon certain kickback events or when the front hand guard is engaged.
  7. Can the ECHO CS-501P handle prolonged use without overheating?
    Yes, the chainsaw is designed with features like the G-Force Engine Air Pre-Cleaner and an efficient brushless motor that keeps it running cooler, even during extended use under demanding conditions. This prevents overheating and ensures the chainsaw maintains its performance throughout its operation.
  8. What maintenance is required to keep the ECHO CS-501P in good working condition?
    Regular maintenance includes checking and cleaning the air filter, monitoring the chain sharpness and tension, ensuring proper oil levels, and inspecting the spark plug and fuel filter for wear. Thanks to its tool-less access to the air filter and spark plug, routine upkeep is straightforward and quick.

Thanks for joining me in exploring the ins and outs of the ECHO CS-501P Chainsaw! I hope this review helps you see how this tool could fit into your outdoor work regimen. Do you have any experiences with this chainsaw, or is there another model you swear by for your heavy-duty tasks? Drop your thoughts and questions in the comments below—I’d love to hear about your go-to tools and any tips you might have! Don’t forget to share this review with fellow outdoor enthusiasts. Happy cutting!

David Murray
David Murray
Forestry Author

I'm David Murry, a forestry equipment specialist with a focus on chainsaw operation. With over 13 years of experience, I've honed my skills in operating and maintaining a wide range of machinery, from chainsaws to log splitters. My passion for the outdoors and commitment to sustainable forestry drive my work, which emphasizes safety, efficiency, and staying updated with industry advancements. Additionally, I'm dedicated to sharing my expertise and promoting environmental awareness within the forestry community.


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