Looking for a reliable and efficient chainsaw for your outdoor projects? Look no further than the Husqvarna 445. This powerful machine was manufactured by Husqvarna Vapenfabriks AB in Huskvarna, Sweden, and introduced in 2007. While it was discontinued in 2011, its performance and durability have made it a favorite among outdoor enthusiasts for years.
With an engine displacement of 45.7ccm (2.78 cu. in.), the Husqvarna 445 packs a punch while remaining lightweight at just 10.8 lbs. for the powerhead only. Its die-cast magnesium and injection-molded polymer construction ensures that it can withstand even the toughest outdoor conditions. The chainsaw also features an anti-vibration handlebar system and an inertia-activated chain brake for safety.
Whether you’re felling trees, trimming branches, or cutting firewood, the Husqvarna 445 is up for the task. It operates at a maximum engine RPM of 13,000 (free with bar and chain installed), and under load at 9,000 RPM. The chainsaw’s automatic gear-driven oil pump and nylon mesh cartridge air filter system also help to keep it running smoothly.
Specifications Chart
| Specification | Details |
|---|---|
| Manufactured by | Husqvarna Vapenfabriks AB, Huskvarna, Sweden |
| Year Introduced | 2007 |
| Year Discontinued | 2011 |
| Engine Displacement | 45.7ccm (2.78 cu. in.) |
| Cylinder Bore | 42mm |
| Piston Stroke | 33mm |
| Cylinder Type | Aluminum with chrome plated bore |
| Intake Method | Piston ported |
| Manufacturer Advertised H.P. | 2.7 |
| Weight | 10.8 lbs. powerhead only |
| Handlebar System | Anti-vibration |
| Chain Brake | Inertia activated |
| Clutch | Centrifugal, 3 shoe |
| Drive Type | Direct |
| Construction | Die-cast magnesium, injection-molded polymer |
| Magneto Type | Electrolux electronic |
| Air Filter System | Nylon mesh cartridge |
| Starter Type | Husqvarna automatic rewind |
| Oil Pump | Automatic gear-driven |
| Maximum Engine RPM | 13,000 (free with bar and chain installed), under load 9,000 |
| Idle RPM | 2,700 |
| Ignition Timing | Fixed |
| Breaker Point Setting | None |
| Spark Plug Type | Champion RCJ7Y |
| Spark Plug Gap | 0.020 in. (0.6 mm) |
| Crankshaft Main Bearings | Ball |
| Fuel Tank Capacity | 15.22 fl. oz. |
| Fuel Oil Ratio | 50:1 |
| Recommended Fuel Octane | N/A |
| Mix Oil Specification | N/A |
| Chain Pitch | 0.325 in. |
| Chain Type | Oregon 21 |
| Bar Mount Pattern | 01 link |
| Shortest Guide Bar Supplied | 16 in. (40 cm) |
| Longest Guide Bar Supplied | 20 in. (50 cm) |
| Service Manual | Yes |
| Illustrated Parts List | Yes |
The Husqvarna 445 chainsaw is a powerful and reliable tool that was manufactured by Husqvarna Vapenfabriks AB in Huskvarna, Sweden from 2007 to 2011. With its 45.7cc engine displacement and aluminum chrome-plated bore cylinder, this chainsaw packs a punch while remaining lightweight at only 10.8 pounds.
It features an anti-vibration handlebar system, an inertia-activated chain brake, and a centrifugal clutch with three shoes. The chainsaw also has a die-cast magnesium and injection-molded polymer construction, making it durable and long-lasting. Overall, the Husqvarna 445 is a great choice for those looking for a reliable and high-performing chainsaw.