CS-306

Modified on Mon, Nov 10, 2025 at 10:53 AM

General Information:

  • Production Dates: 2006-2009
  • MSRP: No MSRP due to age (Suggested retail price. Subject to change without notice.)
  • Model Number Breakdown: "CS" Chainsaw, "306" The first two numbers are the engine cc size generally within, plus or minus 1 cc to 2 cc. The last number is the sub-version within that model series 
  • Replaced Model: CS-305
  • Replaced By Model: CS-306
  • Uses & Applications: Designed for felling trees and cutting wood
  • Box Dimensions: No box dimensions due to age 
  • Operator's/Safety Manuals, Parts Catalogs: In Business Portal, go to the "Search" tab and enter the model number in the "Item #" field. From there, select the correct document. 
  • Accessories: Search for the article titled "What accessories are available for the ECHO® chainsaws?"  


Features:

  • Bumper spikes improve control for easier cutting
  • Slope Advance Ignition System (SAIS2) automatically senses engine speed and advances ignition timing for optimum performance


Guide Bars & Chains:

  • 12” (Standard):
    • Guide Bar - Part #12A4CD3745C
    • Chain - Part #90PX45CQ45 drive links, .043 in. gauge, 3/8 in. pitch, 11/64 in. file size
  • 14” (Standard):
    • Guide Bar - Part #14A4CD3752C
    • Chain - Part #90PX52CQ - 52 drive links, .043 in. gauge, 3/8 in. pitch, 11/64 in. file size


Technical Specifications: For more details on specifications, torque limits, service limits, and special tools, refer to the attached "Service Data."

  • Length: 15.0 in. 
  • Width: 9.3 in.
  • Height: 8.7 in. 
  • Weight: 7.5 lb.
  • Engine Type: Air cooled, two-stroke, single cylinder gasoline engine
  • Engine Displacement: 30.1 cc
  • Bore: 1.46 in. 
  • Stroke: 1.10 in.
  • Compression Ratio: 7.0 
  • Ignition Type: CDI (capacitor discharge ignition)
  • Spark Plug: NGK BPM-8Y
  • Starter: Automatic rewind
  • Fuel Tank Capacity: 10.5 fl. oz. 
  • Oil Tank Capacity: 9.8 fl. oz. 
  • Oiling System: Automatic with volume adjuster
  • Vibration Reduction: Yes
  • Sprocket Type: Spur, 6-tooth, 3/8 in. pitch 
  • Exhaust: Spark arrestor muffler
  • Clutch: Centrifugal type 
  • Idle Speed: 2,700-3,300 RPM
  • Wide Open Throttle Speed: 10,000-12,000 RPM 
  • Compression Pressure: 135 PSI
  • Primary Coil Resistance: 160-200 ohms
  • Secondary Coil Resistance: 1.9-2.3 ohms

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