The Echo CS-4920 is a heavier duty version of the CS-4910 chainsaw. It features a 50.1cc professional-grade two-stroke, stratified scavenging engine that provides more power and less emissions than any other saw in the same class.
Weighing just 5.0kg with professional features like dual drop prevention bar nuts, a heavy-duty air filter with tool-less access and a momentary switch, it's ideal for a range of jobs.
The Echo Easy Start system is a culmination of years of unique and innovative developments. It works to minimise the effort required to start the engine with greatly reduced pulling power and vastly reduced kick back effect. In most cases the effort required to pull the starter is reduced by up to 50% compared to standard models.
Down-time is money for the professional operator. Echo applies technology and innovative design to ensure that their range of lightweight chainsaws can be used safely, comfortably and for extended periods. Legendary Japanese build quality and reliability give Echo chainsaws the highest level of performance over a very long working life. Echo casts and machines every engine in Japan where quality and consistency are closely controlled. And to gain manufacturing efficiencies, they are assembled at various factories around the world to the same exact standards.
Echo's range of low-vibration, high-performance rear handle and top handle petrol chainsaws are used by professionals, farmers and homeowners for pruning, logging and tree felling.
Echo outdoor power equipment is covered by a five year domestic warranty and two year warranty in professional environments. For the domestic user there is the total reassurance of using equipment designed and built for the professional, and a five year warranty offers even greater peace of mind). The quality of Echo assures the professional user the highest standards of efficiency and durability. Registration of Echo products is necessary to validate the warranty. For optimum performance, always follow the maintenance schedule in your owner's manual.
Brand | Echo |
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Engine Type | 2-stroke |
Displacement | 50.1cc |
Power | 2.5kW |
Start Method | Recoil |
Ignition System | CDI |
Start Assist System | ES-Start |
Priming Pump | Yes |
Choke | Yes, with automatic fast idle release |
Carburettor | Butterfly-valve diaphragm |
Fuel Tank Capacity | 0.48L |
Fuel Consumption | 1.32L/h |
Guide Bar Length | 45cm / 18" |
Chain Pitch | 0.325" |
Chain Gauge | 0.050" |
Chain Tensioning | Side tensioner |
Automatic Chain Lubrication | Yes |
Oil Tank Capacity | 0.33L |
Vibration Level Data | Front handle: 3.5m/s² Rear handle: 3.4m/s² |
Sound and Noise Data | Sound pressure level LpA: 102.5dB(A)Sound power level LwA: 111.8dB(A) |
CO² | 808g/kW.h |
Weight excluding Bar & Chain | 5.0kg |
Warranty | 5 years domestic / 2 year professional (registered within 30 days of sale) |
Promotional Image | /j/a/japan-technology_11_2.jpg |
Powerful, super efficient engineThe 50.1cc professional-grade two-stroke, scavenger-type engine provides enormous power, whilst the dry weight is just 5.0kg. Echo has used its decades of engine making experience to create an engine that's powerful and produces incredibly low emissions. |
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Professional-grade featuresA heavy-duty air filter with Echo's patented G-Force technology massively reduces the need for maintenance. The ergonomic, front handle ensures comfortable and precise control and dual drop prevention nuts mean smooth and precise cutting. |
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No hassle, just hard workEasy start technology alongside an always on, momentary switch means you can get to work without thinking about your saw. The tool-less air filter cover and tank openings make this saw a pleasure to use. |
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Master of all tradesThe CS-4920 is a truly versatile chainsaw with plenty of professional-grade features. |
ABOUT ECHO...
In a world that’s constantly changing, one thing you can depend on, is your Echo tool.
For over 75 years, Echo has been building tools for commercial users around the world. From its humble beginnings in Japan with a simple handheld crop duster, to creating the world’s first ever power blowers in 1975, Echo has become a technological leader and well respected global brand.
As technology and users’ needs evolve, so too does Echo, staying on the pulse of the industry through decades of expertise and by listening to the feedback we receive. Echo's aim is not to react to changes in the market, but to be at the forefront. It does this by putting its dedication to producing the highest quality products above all else. Echo petrol tools continuously exceed increasingly stringent emissions requirements yet retain the robust power and dependability Echo is renowned for. Echo is reaching into new technologies such as professional performance battery tools and robotics with the careful and precise consideration that makes all Echo products ones you can depend on; this is our priority.
In the line-up you will find our staple, professional engine products amongst new battery products aimed at professionals, and for the first time, a range aimed solely at domestic users. Echo believes that the technology is now ready to offer great benefits for both professional and domestic users alike. So, whether you’re a fully-fledged outdoor professional or someone newly inspired to transform your environment into something more, Echo guarantees a tool that’s been crafted with expertise and passion, a tool you can depend on.
PURCHASING ECHO PRODUCTS
Echo products come equipped with a range of unique product features designed to deliver ease and comfort for users.
Echo is successful in producing low vibration and low noise for power tools and are leaders in two-stroke power tool emission technology. Echo casts and machines every engine in Japan where quality and consistency are closely controlled. And to gain manufacturing efficiencies, they are assembled at various factories around the world to the same exact standards.
Leading in two-stroke power tool emission technology
Echo has the widest variety of emission compliant engines ever certified for EPA, CARB regulations and EU directives. Echo has condensed the years of development in the USA into the trademarked Power Boost Tornado technology, with a highly refined two-stroke engine design. This technology is now applied across the Echo Power Tool range, with engines delivering more power, higher fuel efficiency and better engine lubrication, while improving combustion and reducing exhaust emissions.
Low Vibration
Echo has taken up the challenge and is successfully producing measures for maximum control of vibration. Echo products are designed and manufactured for constant and lengthy use by professional users, with homeowners/domestic users also able to enjoy the benefits of commercial quality and features. Under independent tests, Echo brush cutters and Echo hedge cutters have produced the lowest vibration figures. ECHO is one of very few manufacturers who make its own engines, therefore every ECHO product is designed and tested as a completed package. This ensures high quality, ergonomically designed equipment, with maximum vibration controls.
Low Noise
With power tool equipment in use in public and residential areas, noise is of primary concern, Echo has developed the technology to control and minimise noise pollution. Echo designs and manufactures engines from scratch, matching low noise engines to low vibration products, by retaining complete manufacturing control.
ECHO Innovation - i-start
The i-start device makes first time starting of two-stroke engines a certainty, while removing 90% of the effort required. i-start stores the energy of one long and gentle pull, or two short pulls of the recoil starter and delivers it in a dynamic burst that starts the engine every time.
ECHO Innovation - Easy Start
Denoted by the ES symbol on the power tool, Easy Start works in a different way to i-start to minimise the effort required to start the engine. With Easy Start the pulling power needed on the starter rope is greatly reduced compared to other makes, with no kick-back effect when cranking.
WARRANTY
2-YEAR PROFESSIONAL WARRANTY*Yes, you did read that right. You can have absolute confidence in our equipment. ECHO is designed to be durable and to do what you ask it, wherever you take it. Not only that, our products are built to the highest standards of quality and performance. Echo's warranty is their statement of confidence and badge of honour. Echo – world-class technology. |
* Registration of Echo products and servicing are necessary to validate the warranty. |
5-YEAR DOMESTIC WARRANTY*Five years is a long time. Longer than you’ll get from most of the equipment you buy. That’s because Echo stand behind their products. Echo have been building equipment for professionals for decades and that has given them an exceptional level of engineering and manufacturing expertise. As a home owner, you want long term dependability enjoyed by professionals, and a well built product that you can buy with confidence. |
* Registration of Echo products and servicing are necessary to validate the warranty. |
40V GARDEN+ BATTERY WARRANTYThe Garden+ range of tools are all covered by Echo's 2 + 1 domestic use warranty. Each tool comes with a 2 year domestic use warranty as standard and by registering your product you will receive an additional 1 year. All batteries have a fixed, 2 year warranty. Echo expertise is built into every tool, so Echo's warranty is their pledge that you receive a tool worthy of the Echo name. A tool that you can depend on. |
* Registration of Echo products is necessary for the additional third year. |
56V BATTERY WARRANTYThe Professional Series is backed by the same industry leading warranty as its petrol stablemates; 2 year professional use and 5 year domestic use warranties on tools, as well as a 2 year warranty on batteries. That’s because Echo products are built to the highest standards of quality and performance, meaning you can have complete confidence in Echo tools. |
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