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2025 445

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2025 Husqvarna 445

Overview

Availability Brochure
Model 445
Year 2025
Make Husqvarna

Product Features

Description

For performance you can rely on, trust the Husqvarna 445. This robust gas saw features Smart Start® technology and air purge to deliver best-in-class starting performance.* Our proprietary X-TORQ® engine delivers superior performance, increased fuel efficiency and low emissions. And the ergonomic design with LowVib® technology make this saw comfortable to use, even in demanding conditions.
Features
  • Powerful and Efficient X-TORQ® Engine: X-Torq® engines deliver a great power and torque thanks to highly efficient combustion.
  • LowVib® Technology: Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably
  • Smart Start® Technology: Specially-designed engine and starter for easy and fast starting with minimum effort
  • Quick Start with Air Purge: Air purge removes air from carburetor and fuel system for easy starting
  • Air Injection™ Technology: Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life
  • Combined Choke/Stop Control: Provides easier starting and reduces the risk of engine flooding
  • Three-Piece Crankshaft: Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
  • Inertia-Activated Chain Brake: Reduces the likelihood of injury due to kickback.
  • Quick-Release Air Filter: Easily remove and replace the filter after cleaning
  • Fuel Indicator: Transparent fuel indicator makes it easy to check fuel level
  • Flip-Up Fuel Cap: Easy to open and secures firmly, even when wearing thick gloves
  • Snap-Lock Cylinder Cover: Saves time when changing spark plugs and cleaning.
  • Felling Marks: Dedicated marks for increased felling precision
  • No Oil at Idle: Chain oil pump disengages when engine is idling to reduce oil consumption and mess
  • Best-in-Class Starting Performance*: Variety of easy starting features for hassle-free starting *Based on the series of Husqvarna features that support the starting performance when compared to competitive chainsaw models in the 35cc to 50cc range
  • X-CUT® Chain: Exceptional sharpness and durability
Engine
  • Chain speed at max power: 56.76 fts (17.3 m/s)
  • Cylinder displacement: 50.2 cm³
  • Output shaft power1: 2.8 hp (2.1 kW)
  • Torque, max.: 2.4 Nm
  • Torque, max. at rpm: 6,300 rpm
  • Clutch engagement speed (±120): 4,300 rpm
  • Electrode gap: 0.02 in
  • Idling speed: 2,700 rpm
  • Ignition module air gap: 0.01 in
  • Maximum power speed: 9,000 rpm
  • Oil pump type: Fixed flow
  • Spark Plug: Champion RCJ7Y, NGK BPMR7A
Equipment
  • Recommended bar length, min: 13 in (33 cm)
  • Pitch: .325″
  • Recommended bar length, max: 20 in (50 cm)
  • Chain type: SP33G
  • Bar length: 45 cm
  • Bar length (inch): 18 in
  • Sprocket type: Spur 7
  • Gauge: .050″
Dimensions
  • Weight (excl. cutting equipment): 11.2 lb (5.1 kg)
Sound and noise
  • Sound pressure level at operators ear: 103 dB(A)
  • Sound power level, guaranteed (LWA): 114 dB(A)
  • Sound power level, measured: 112 dB(A)
Vibration
  • Equivalent vibration level (ahv, eq) rear handle: 4.9 m/s²
  • Equivalent vibration level (ahv, eq) front handle: 3.1 m/s²
Emission
  • Exhaust emissions (CO2 EU V)2: 920 g/kWh
Lubricant
  • Oil tank volume: 0.53 US pint
  • Lubricant type (Engine): Husqvarna 2 stroke or equiv. at 50:1
Displacement

50.2 cc
Weight

11.2 lb (5.1 kg)
Bar Length Options

11.2 lb (5.1 kg)
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