Husqvarna 445S Chainsaw

Husqvarna 445S is a landowner chainsaw designed to handle all your landowner tasks, from forestry work like felling, cutting and limbing to cutting firewood. Building on the reliable 400 series, this light chainsaw offers improved ease of use and a reinforced, robust design to increase product lifetime. It has an optimized 2,2 kW X-Torq engine for increased performance. The upgraded cutting experience is also ensured by the Smart Start function and features such as colored felling marks and captured bar nut.

• 20% Faster Cutting: Improved cutting capacity for increased efficiency and productivity. Compared to the Husqvarna 445 chainsaw +/- 1%
• Automatic Oil Pump: Adjusts oil flow as needed to ensure optimal bar & chain performance
• Flip-Up Fuel Cap: Easy to open and secures firmly, even when wearing thick gloves
• Quick-Release Air Filter: Easily remove and replace the filter after cleaning
• Smart Start Technology: Specially-designed engine and starter for easy and fast starting with minimum effort
• Husqvarna Patented Hybrid Crankcase: Newly designed crankcase made of plastic and metal to provide increased robustness, performance and longevity
• Auto Return Stop Switch: When the stop switch has been used, it is automatically reset to facilitate the next start
• Air Injection Technology: Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life
• Powerful and Efficient X-TORQ Engine: X-Torq engines deliver a great power and torque thanks to highly efficient combustion
• Ergonomic Rear Handle: Increased comfort with soft inlay, ergonomic trigger and asymmetrical handle
• Felling Marks: Dedicated marks for increased felling precision
• Three-Piece Crankshaft: Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
• Fuel Indicator: Transparent fuel indicator makes it easy to check fuel level
• Snap-Lock Cylinder Cover: Saves time when changing spark plugs and cleaning
• LowVib Technology: Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably
• Air Purge: Air purge removes air from carburetor and fuel system for easy starting
• Inertia-Activated Chain Brake: Reduces the likelihood of injury due to kickback
• Retained bar nut: The retaining function prevents loosing the bar nut

• Nose Type: Sprocket Nose
• Spikes: Mounted
• Weight (Excl. Cutting Equipment): 11 lb

• Chain Speed At Max Power: 56.8'
• Cylinder Displacement: 50.2 cm³
• Output Shaft Power: 3 hp
• Torque, Max.: 2.6 Nm
• Torque, Max: 6,300 rpm
• Clutch Engagement Speed (±120): 4,150 rpm
• Electrode Gap: 0.02"
• Idling Speed: 2,800 rpm
• Ignition Module Air Gap: 0.01"
• Maximum Power Speed: 9,000 rpm
• Oil Pump Type: Automatic
• Spark Plug: Husqvarna HQT-1R, Champion RCJ7Y, NGK BPMR7A

• Recommended Bar Length (Min): 13"
• Recommended Bar Length (Max): 20"
• Pitch: .325"
• Chain Type: SP33G
• Bar Length: 18"
• Sprocket Type: Spur 7
• Gauge: .050"

• Sound Pressure Level At Operators Ear (LpA): 106 dB(A)
• Sound Power Level, Guaranteed (LWA): 116 dB(A)
• Sound Power Level, Measured: 114 dB(A)

• Equivalent Vibration Level (ahv, eq) Rear Handle: 4.6 m/s²
• Equivalent Vibration Level (ahv, eq) Front Handle: 4.7 m/s²

• Oil Tank Volume: 0.55 US Pint
• Lubricant Type (Engine): Husqvarna 2 Stroke or Equiv. At 50:1

• Exhaust Emissions (CO₂ EU V): 718 g/kWh