ID # 52876847

HUSQVARNA 445S 18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90-38

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Overview

Husqvarna 445S is a chainsaw designed to handle all your 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, as well as an optimized 2,2 kW X-Torq® engine for increased performance. The upgraded cutting experience is also ensured by the easy start function and features such as colored felling marks and captured bar nuts.

Specifications
Model
445S
Category Name
Lawn / Garden
Year
2026
Sale Type
New
Manufacturer
Husqvarna
features

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 20% faster cutting

Improved cutting capacity for increased efficiency and productivity. *Compared to the Husqvarna 445 chainsaw +/- 1%.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Automatic oil pump

Adjusts oil flow as needed to ensure optimal bar & chain performance

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Flip-Up Fuel Cap

The flip-up fuel cap is easy to open and close when refueling, even if you are wearing thick gloves.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Quick-Release Air Filter

Easily remove and replace the filter after cleaning

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Smart Start® Technology

Specially-designed engine and starter for easy and fast starting with minimum effort

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 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 and provide longer run time between filter cleanings.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Powerful and Efficient X-TORQ® Engine

Our X-TORQ® engines deliver great power and torque thanks to highly efficient combustion.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Ergonomic rear handle

Increased comfort with soft inlay, ergonomic trigger and assymetrical handle.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Fuel Indicator

Transparent fuel indicator makes it easy to check fuel level

Inertia-Activated Chain Brake

In case of a kickback, the effective inertia-activated chain brake immediately stops the chain to reduce the likelihood of injury.

LowVib® Technology

Effective LowVib® dampeners absorb vibration, sparing the user’s arms and hands.

HUSQVARNA 445S 18 .325, X Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90 38 Felling Marks

Dedicated marks for increased felling precision

engine
Engine
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx SKU: 970 70 90‑38
Spark Plug
Husqvarna HQT-1R, Champion RCJ7Y, NGK BPMR7A
Idling Speed
2,800 rpm
Power Output
3 hp
Torque, Max.
2.6 Nm
Electrode Gap
0.02 in
Oil Pump Type
Automatic
Maximum Power Speed
9,000 rpm
Torque, Max. At Rpm
6,300 rpm
Cylinder Displacement
50.2 cm³
Ignition Module Air Gap
0.01 in
Chain Speed At Max Power
56.8 fts
Clutch Engagement Speed (±120)
4,150 rpm
equipment
Gauge
1.3 mm
Pitch
.325"
Bar Length
45 cm
Chain Type
SP33G
Sprocket Type
Spur 7
Bar Length (inch)
18 in
Recommended Bar Length, Max
20 in
Recommended Bar Length, Min
13 in
vibration
Equivalent Vibration Level (ahv, Eq) Rear Handle
4.6 m/s²
Equivalent Vibration Level (ahv, Eq) Front Handle
4.7 m/s²
dimensions
Weight (excl. Cutting Equipment)
11 lbs
sound and noise
Sound Power Level, Measured
114 dB(A)
Sound Power Level, Guaranteed (LWA)
116 dB(A)
Sound Pressure Level At Operators Ear (LpA)
106 dB(A)
lubricant
Oil Tank Volume
0.55 US pint
Lubricant Type (Engine)
Husqvarna 2 stroke or equiv. at 50:1
emission
Exhaust Emissions (CO₂ EU V)
718 g/kWh
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