What do the letters or numbers mean at the end of an ECHO® model number?

AA, AB, & SP:  Models purchased from Home Depot may include these letters after the model number. This is an internal packaging code does not indicate any difference in the product. Models with or without these letters are identical. 

Blowers:  

• H: Hip (Throttle is located at the hip)
• T: Tube (Throttle is located at the tube) 
• S: Side Air Filter (Model features a side access air filter) 
• LN: Low Noise (Model features 65 dB(A) per the applicable ANSI standard)
• L: Lite
• E: Electronic Ignition (Model features an electric ignition) 
• i: i-75 Starting System (Model features a reduced effort starting system)

Chainsaws:

• P: Professional Cutting System (Model features engine and feature upgrades)
  
• PW: 
  • "P" Professional Cutting System (Model features engine and feature upgrades)
  • "W" Wrap Handle (Model features a wrap handle)
• T: Top Handle (Model features a top handle) 
• F: FasTension (Model features FasTension™ Chain Tensioning System)
• PN: 
  • "P" Professional Cutting System (Model features engine and feature upgrades)
  • "N" Nano (Model features a Nano style chain)
• TN: 
  • "T" Top Handle (Model features a top handle) 
  • "N" Nano (Model features a Nano style chain)
• VL: Vibe Less (Model features a vibration reduction system)
• EVL: 
  • "E" Electronic Ignition (Model features an electronic ignition)
  • "VL" Vibe Less (Model features a vibration reduction system) 
• EVLP: 
  • "E" Electric Ignition (Model features an electric ignition)
  • "VL" Vibe Less (Model features a vibration reduction system)
  • "P" Professional Cutting System (Model has both engine and feature upgrades)
• VLP:
  • "VL" Vibe Less (Model features a vibration reduction system)
  • "P" Professional Cutting System (Model has both engine and feature upgrades)
• S: No meaning

Edgers:

• S: Solid Steel Driveshaft (Model features a solid steel driveshaft)
  

Generators & Inverters:  

• LN: Low Noise (Model features 63 dB(A) at 25% per the applicable ANSI standard) 
• E: Electric Ignition (Model features an electric ignition)

Hedge Trimmers: 

• S: Shorter Shaft (Model features a shorter shaft from the sister model)
  
• i: i-75 Starting System (Model features a reduced effort starting system)
• A: Updated Version (Model is an updated version of the model prior)
• E: Electric Ignition (Model features an electric ignition) 

Lawn Mowers:

• SP: Self-Propelled (Model features self propel)
  
• P: Propelled (Model features self propel) 
• PB: 
  • "P" Propelled (Model features self propel) 
  • "B" No Meaning

Power Pruner: 

• H: Handle (Model features a trimmer style throttle handle) 
  
• S: Shorter Shaft (Model features a shorter shaft from the sister model) (Model features a shorter shaft) 

Pro-Attachment Series™:

• VP: Value Pack (Model features the power head, and attachment(s)
• VPB: Value Pack (Model features the power head, and attachment(s) 
• SB: Split Boom (Model features a split-boom) 

Sprayers: 

• H: Handheld (Model is handheld vs. backpack)
  
• BPE:
  • "BP" Backpack Piston
  • "E" Euro Style Tank 
• BD: Backpack Piston
• BPD:
  • "BP" Backpack Piston
  • "BD" Backpack Diaphragm 

Spreaders: 

• W: Winter (Model is designed for flake and rock ice melt application) 
  
• S: Stainless Steel (Model features a stainless steel frame) 

Tiller/Cultivators:

• i: i-75 Starting System (Model features a reduced effort starting system)

Trimmers/Brushcutters:

• T: Torque (Model features a high-torque gear case) 
• S: Solid Steel Driveshaft (Model features a solid steel driveshaft) 
• U: U-Handle (Model features a u-handle) 
• i: i-75 Starting System (Model features a reduced effort starting system)
• L: Longer (Model features a longer shaft) 
• SF: Speed Feed (Model comes with Speed Feed trimmer head)
• BE:
  • "B" No Meaning
  • "E" Electric Ignition (Model features an electric ignition) 
• DA: No Meaning
• AE: 
  • "A" No Meaning
  • "E" Electric Ignition (Model features an electric ignition)
• FA
  • "B" No Meaning
  • "E" Electric Ignition (Model features an electric ignition)
• CE
  • "C" No Meaning
  • "E" Electric Ignition (Model features an electric ignition)
• SB: Split Boom (Model features a split-boom) 
• E: Electric Ignition (Model features an electric ignition) 
• ADX: No Meaning