Husqvarna 450 Chainsaw Specs, Price & Review

Husqvarna 450 Chainsaw Specs, Price, Review & Feature

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We confirmed this information with Husqvarna 450 Chainsaw representatives and associates.

See all technical specifications of the Husqvarna 450 Chainsaw such as is its weight, engine specs, top speed, and horsepower in this article.

Husqvarna 450 Chainsaw Specs, Price & Review


Husqvarna 450 Chainsaw Overview

The Husqvarna 450 is a chainsaw that has everything you could want.

It’s a professional-grade machine with a well-built saw, a high-torque engine, a smart start system that makes it easy to get going.

safety features that make sure you won’t hurt yourself while using it, and the kind of power you’d need from a chain saw that can do everything.

This chainsaw is great all around, which makes it a great choice for anyone who wants to use it for a lot of different jobs.

Husqvarna 450 Chainsaw Price

About $390 will buy you a Husqvarna 450 Chainsaw. Husqvarna’s closest competitor is Stihl, whose MS 271 Farm Boss is similar to Husqvarna’s but costs a bit more at $410.

The Makita DCS5121REG, which costs $429, has a faster RPM but the same power plant. The Husqvarna 545 costs about $500 and has a bit more power in the bar size.

Husqvarna 450 Chainsaw Specs


Power output3.2 hp
Cylinder displacement3.06 cu.inch
Maximum power speed9,000 rpm
Idling speed2,700 rpm
Torque, max.2.6 Nm
Torque, max. at rpm7,200 rpm
Clutch engagement speed (±120)4,300 rpm
Fuel consumption504 g/kWh
Electrode gap0.02 in
Ignition module air gap0.01 in
Oil pump typeFixed flow


Exhaust emissions (CO2 EU V)
742 g/kWh


Bar length (inch)20 in
Recommended bar length, min13 in
Recommended bar length, max20 in
Chain typeSP33G
Sprocket typeSpur 7


Weight (excl. cutting equipment)11.2 lbs


Lubricant type (Engine)Husqvarna 2 stroke or equiv. at 50:1
Oil tank volume0.55 US pint
Oil tank volume0.26 l

Sound and Noise

Sound power level, guaranteed (LWA)115 dB(A)
Sound power level, measured113 dB(A)
Sound pressure level at operators ear104 dB(A)

Design and Construction

The 450 is a well-made chainsaw with a nice design. It is mostly made of hard plastic. It comes with a standard plastic handle on the back that lets you control the throttle and prevents the engine from starting by accident.

The fuel tank cap is on the left side of the saw, just in front of the handle. The second diagram shows that the fuel tank has a window that makes it easy to see how much fuel is in it.

Husqvarna 450 Chainsaw Specs, Price & Review

The cap for the oil reservoir is in front of the powerhead unit. Both of the caps are easy to get to.

On the left side of the saw, you will also find the air purge bulb and a plastic handle for starting the saw.

On this side of the saw are also the cylinder cover clips, which can be opened with the multi-purpose and make it easy to get to the engine and filter.

Husqvarna 450 Chainsaw Specs, Price & Review

The start/stop/choke switch is next to the handle on the back of the powerhead unit. There is a felling line on the top of the unit to help you cut straight.

Husqvarna 450 Chainsaw Specs, Price & Review

As shown below, the single clutch cover nut, chain tensioning screw, and rear hand guard are all on the right side of the saw.

Husqvarna 450 Chainsaw Specs, Price & Review

The hand guard in front of the half-wrap handle acts as a chain brake. It is right in front of the handle. On the front of the saw, you’ll also find the muffler, metal bumper spikes that make cutting more stable, and a chain catcher that helps keep things from going wrong if the chain gets off track.

Husqvarna 450 Chainsaw Weight

The weight of a Husqvarna 450 chainsaw is 5.1 kg.

Husqvarna 450 Chainsaw Horsepower

The 50cc X-Torq engine in the Husqvarna 450 Chainsaw puts out 3.2 horsepower and is made to be fuel-efficient and have low emissions.

Husqvarna 450 Chainsaw Power Speed

The Husqvarna 450 Chainsaw has a speed of 2,700 RPM at idle and a speed of 9,000 RPM at full power.

Ease of use

Flip-up tank cover

It’s easier to fill up the chainsaw because you have a better grip on the filler when you open it, even when the tank is empty. When you turn the cap a quarter turn, it’s meant to let air in and release the vacuum. This breaks the suction power.

Snap-lock cylinder cover

When you need to do maintenance on the air filter, you can easily take off the hard plastic cover by popping the snap-locks on each side. For that, you don’t need any tools.

Air purge and fuel pump

They are both the same. You can press it up to six times before starting the engine to make sure there is fuel in the carburetor. When the car is ready, you can see fuel in the bulb. This takes air out of the carburetor and fuel system so the car can start quickly.

Smart Start

The 450, 450 Rancher, and 450E all have this feature. It cuts the coil’s resistance by about 40%, making it much easier to start the chainsaw with fewer cord pulls.

Starting up

To start a cold engine, you prime the air purge bulb, which is also called the fuel pump, until you can see fuel in it. Next, you turn on the choke and start the chain brake by pushing the handle forward. Pressing the decompression valve is done before pulling the handle of the cord to start the engine.

Auto return stop switch

When you use the stop switch to turn off the engine, it goes back to the ON position, which lets you start the engine again. This is helpful because you won’t forget to switch it to “run” mode before you start the engine.

Husqvarna 450 Chainsaw Feature

Husqvarna 450 Chainsaw Feature

Air Injection®

Before getting to the air filter, larger dust and debris particles are taken out by a centrifugal air cleaning system. This means the air filter doesn’t need to be cleaned as often and the engine lasts longer.

Husqvarna 450 Chainsaw Feature


The efficient and powerful X-Torq® engine reduces both engine emissions and fuel use. This makes your work environment better and saves you money at the gas station.

Husqvarna 450 Chainsaw Feature

Flip-up tank cap

Even with thick winter gloves on, flip-up fuel tank caps are easy to open and close securely.

Husqvarna 450 Chainsaw Feature

Quick-release air filter

Makes it easier to clean and replace the air filter.

Husqvarna 450 Chainsaw Feature

Auto return stop switch

Stop switch resets itself to the ON position to make it easier to start.

Husqvarna 450 Chainsaw Feature

Ergonomic rear handle

The soft inlay, ergonomic trigger, and asymmetrical handle all add to the comfort.

Husqvarna 450 Chainsaw Feature

Felling marks

Marks that stand out for more accurate felling.

Husqvarna 450 Chainsaw Feature

Smart Start®

The engine and starter were made so that the machine can be started quickly and with little effort.

Husqvarna 450 Chainsaw Feature

Snap-lock cylinder cover

It takes less time to clean and change the spark plugs.

Husqvarna 450 Chainsaw Feature

Three-piece crankshaft

The three-piece crankshaft is forged to be as strong as possible for the toughest jobs.

Husqvarna 450 Chainsaw Feature


System made to lessen the vibrations felt by the operator, which makes them less tired.

Husqvarna 450 Chainsaw Feature
Husqvarna 450 Chainsaw Feature
Husqvarna 450 Chainsaw Feature

Husqvarna 450 Chainsaw Safety

If the chain falls off the bar, the chain catcher at the bottom of the saw will protect it.

Inertia activated chain brake

In case of kickback, the chain will stop moving because of the inertia mechanism. This makes it much less likely that someone will get hurt.


All Husky chainsaws have a system called LowVib that cuts down on vibrations. Metal springs in the engine suspension make it less likely that the driver will feel vibrations.

This means you can work for longer without your hands getting tired, and it also keeps you from getting sick.

The front handle and hand guard are set back by 7° to make it easier to hold.

Husqvarna 450 Chainsaw Review

The Husqvarna 450 Rancher chainsaw is a versatile tool suitable for cutting down trees, limbing and cutting firewood. It’s powered by a 50.2cc X-Torq engine that’s strong yet lightweight. For a full review, please check this YouTube video Here.


  • Excellent power
  • Good cutting ability
  • Low vibration
  • Easy to handle
  • Solid construction
  • Good features e.g. fuel window


  • Starting can be complicated at first.
  • Adjustments to the carburetor may be required if not running smoothly
  • Requires regular maintenance

Final Words

The 450 is hard to pass up if you need a mid-length saw because of its power, comfort, and price. There are a lot of gas-powered chainsaws to choose from, but this one is one of the best values for power and quality in the Pro market.

FAQs – Husqvarna 450 Chainsaw 

FAQs - Husqvarna 450 Chainsaw 

How good is the Husqvarna 450 chainsaw?

The Husqvarna 450 is a Pro-level chainsaw with a length in the middle. It is used by tree service crews and foresters. It’s also a great all-around saw for people who own their own homes and need a strong tool for general maintenance and cleaning up after a storm.

What is X Torq engine?

With the X-Torq® engine, you’ll use less gas and put out less pollution.

How many gears does a Husqvarna 450 have?

It has linear power, which lets the rider stretch out the gears of its five-speed transmission a little longer than on a Yamaha YZ450X, for example. It also has a consistent feel because of its Magura clutch.

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