Husqvarna 445 Specifications

Husqvarna 445 Specifications

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

SpecificationDetails
Manufactured byHusqvarna Vapenfabriks AB, Huskvarna, Sweden
Year Introduced2007
Year Discontinued2011
Engine Displacement45.7ccm (2.78 cu. in.)
Cylinder Bore42mm
Piston Stroke33mm
Cylinder TypeAluminum with chrome plated bore
Intake MethodPiston ported
Manufacturer Advertised H.P.2.7
Weight10.8 lbs. powerhead only
Handlebar SystemAnti-vibration
Chain BrakeInertia activated
ClutchCentrifugal, 3 shoe
Drive TypeDirect
ConstructionDie-cast magnesium, injection-molded polymer
Magneto TypeElectrolux electronic
Air Filter SystemNylon mesh cartridge
Starter TypeHusqvarna automatic rewind
Oil PumpAutomatic gear-driven
Maximum Engine RPM13,000 (free with bar and chain installed), under load 9,000
Idle RPM2,700
Ignition TimingFixed
Breaker Point SettingNone
Spark Plug TypeChampion RCJ7Y
Spark Plug Gap0.020 in. (0.6 mm)
Crankshaft Main BearingsBall
Fuel Tank Capacity15.22 fl. oz.
Fuel Oil Ratio50:1
Recommended Fuel OctaneN/A
Mix Oil SpecificationN/A
Chain Pitch0.325 in.
Chain TypeOregon 21
Bar Mount Pattern01 link
Shortest Guide Bar Supplied16 in. (40 cm)
Longest Guide Bar Supplied20 in. (50 cm)
Service ManualYes
Illustrated Parts ListYes
Husqvarna 445 chainsaw Specs

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.

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