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.
FEATURES
| 20% faster cutting* |
| Adjusts oil flow as needed to ensure optimal bar & chain performance |
| Air Injection™ Technology |
| Air Purge |
| Air purge removes air from carburetor and fuel system for easy starting. |
| At Husqvarna, we're committed to ensuring your satisfaction. Our warranty covers any defects in material or workmanship under normal use during the warranty period. |
| Auto return stop switch |
| Automatic oil pump |
| Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life |
| Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably |
| Dedicated marks for increased felling precision |
| Easily remove and replace the filter after cleaning |
| Easy to open and secures firmly, even when wearing thick gloves |
| Ergonomic rear handle |
| Felling Marks |
| Flip-Up Fuel Cap |
| Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs |
| Fuel Indicator |
| Husqvarna patented hybrid crankcase |
| Improved cutting capacity for increased efficiency and productivity. *Compared to the Husqvarna 445 chainsaw +/- 1%. |
| Increased comfort with soft inlay, ergonomic trigger and asymmetrical handle. |
| Inertia-Activated Chain Brake |
| LowVib® Technology |
| Newly designed crankcase made of plastic and metal to provide increased robustness, performance and longevity |
| Powerful and Efficient X-TORQ® Engine |
| Quick-Release Air Filter |
| Reduces the likelihood of injury due to kickback. |
| Retained bar nut |
| Saves time when changing spark plugs and cleaning. |
| Smart Start® Technology |
| Snap-Lock Cylinder Cover |
| Specially-designed engine and starter for easy and fast starting with minimum effort |
| The retaining function prevents loosing the bar nut. |
| Three-Piece Crankshaft |
| Transparent fuel indicator makes it easy to check fuel level |
| Warranty |
| When the stop switch has been used, it is automatically reset to facilitate the next start. |
| X-Torq® engines deliver a great power and torque thanks to highly efficient combustion. |
SPECIFICATIONS
| Engine |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Chain speed at max power |
56.8 fts |
Cylinder displacement |
50.2 cm³ |
Power output1 |
3 hp |
Torque, max. |
2.6 Nm |
Torque, max. at rpm |
6,300 rpm |
Clutch engagement speed (±120) |
4,150 rpm |
Electrode gap |
0.02 in |
Idling speed |
2,800 rpm |
Ignition module air gap |
0.01 in |
Maximum power speed |
9,000 rpm |
Oil pump type |
Automatic |
Spark Plug |
Husqvarna HQT-1R, Champion RCJ7Y, NGK BPMR7A |
| Equipment |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Recommended bar length, min |
13 in |
Pitch |
.325" |
Recommended bar length, max |
20 in |
Chain type |
SP33G |
Bar length |
45 cm |
Bar length (inch) |
18 in |
Sprocket type |
Spur 7 |
Gauge |
1.3 mm |
| Dimensions |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Weight (excl. cutting equipment) |
11 lbs |
| Sound and noise |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
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) |
| Vibration |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Equivalent vibration level (ahv, eq) rear handle |
4.6 m/s² |
Equivalent vibration level (ahv, eq) front handle |
4.7 m/s² |
| Lubricant |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Oil tank volume |
0.55 US pint |
Lubricant type (Engine) |
Husqvarna 2 stroke or equiv. at 50:1 |
| Emission |
18" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
SKU: 970 70 90‑38
|
|---|---|
Exhaust emissions (CO₂ EU V)2 |
718 g/kWh |
DISCLAIMER
Please note product images, specs and other information provided may change at any time without notice and may not reflect the units in stock at dealer location. We pride ourselves on working with companies who are constantly researching and developing better products and as such specs may change with little or no notice.