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The ECHO CS-4920-18 is a professional-grade gas chainsaw designed to deliver dependable cutting performance in a lightweight, maneuverable package. Powered by a 50.1cc 2-stroke engine and equipped with an 18-inch guide bar, this rear-handle chainsaw provides the power and cutting capacity needed for firewood, property maintenance, storm cleanup, and demanding cutting jobs.

Built with productivity and operator comfort in mind, the CS-4920 features ECHO's i-30™ starting system to help reduce starting effort, a side-access chain tensioner for convenient adjustments, and an automatic, adjustable clutch-driven oiler that helps manage bar and chain lubrication while cutting. A decompression valve further assists with starting, while the G-Force Engine Air Pre-Cleaner™ helps reduce debris reaching the air filter for longer maintenance intervals.

With its combination of professional-grade power, practical service features, and an 18-inch cutting bar, the ECHO CS-4920-18 is a versatile choice for users who need reliable gas chainsaw performance for regular cutting applications.

Description

Key Features

  • 50.1cc professional-grade 2-stroke engine — Delivers strong performance and durability for demanding cutting applications
  • Stratified 2-stroke engine design — Designed to help reduce emissions
  • i-30™ starting system — Reduces starting effort by 30% for easier starts
  • Purge bulb — Delivers fresh fuel to the carburetor to help simplify starting
  • Momentary stop switch — Automatically returns to the “ON” position after the saw is shut off
  • Heavy-duty air filter — Provides effective filtration while helping reduce maintenance requirements
  • Automatic, adjustable clutch-driven oiler — Oils the bar and chain while the chain is moving to help reduce unnecessary oil consumption
  • Side-access chain tensioner — Makes routine chain-tension adjustments more convenient
  • Anti-vibration system — Helps reduce vibration transferred to the operator during use
  • Inertia-type chain brake and chain catcher — Built-in features designed to support safer operation
  • 18 in. bar configuration — This CS-4920-18 configuration provides an 18-inch cutting setup; the CS-4920 platform supports 16, 18, and 20-inch guide bars

Specifications

Brand:
ECHO
Bar Length:
18"
Chain Pitch:
.325 in.
Drive Links:
72
Engine Displacement:
50.1cc
Engine Type:
2-Stroke
Fuel Capacity:
0.13 gallon
Handle Type:
Rear Handle
Oil Capacity:
11.2 oz
Power Source:
Gasoline
Starter Type:
Recoil Start

More Specifications

SpecificationDetails
ModelCS-4920-18
Product TypeGas Chainsaw
Handle TypeRear Handle
Engine TypeAir-Cooled, 2-Stroke, Single-Cylinder
Engine Displacement50.1cc
Bar Length18 in.
Available Bar Lengths16, 18, 20 in.
Ignition SystemDigital
Starter SystemAutomatic Rewind / i-30™ Starting System
CarburetorDiaphragm Type
Fuel Capacity16.2 fl. oz.
Fuel/Oil Ratio50:1
Oiling SystemAutomatic, Adjustable
Oil Capacity11.2 fl. oz.
Chain TensionerSide Access
Chain20BPX
SprocketSpur Type, 7-Tooth, .325 in. Pitch
Chain BrakeManual and Non-Manual Band Brake Type
Vibration Reduction SystemSpring
Spark PlugNGK BPMR8Y
Spark Plug Gap0.026 in.
Dry Weight*11.1 lb.
Dimensions (L × W × H)17.2 × 9.3 × 11.7 in.
Consumer Warranty5 Years
Commercial Warranty1 Year

* Dry weight excludes the guide bar and saw chain.

Replaces

{"ECHO/Shindaiwa":["CS-490-18","CS-4910-18"]}

Fits These Models

Additional Information

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Warning Cancer and Reproductive Harm www.P65Warnings.ca.gov

ECHO CS-4920-18 18 in. 50.1cc Rear Handle Gas Chainsaw

ECHO 
CS-4920-18
Price: $418.99

    This is a genuine ECHO & Shindaiwa product. RCPW is a Signature Elite ECHO & Shindaiwa dealer.