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Chainsaws

Husqvarna 450X Rancher

Launch date: April 1, 2026

 
 
 
 
 
 
 
 
 
 
 
50.2 cm³
Cylinder displacement
3.4 hp
Power output1
60.7 fts
Chain speed at max power
What's included
Husqvarna 450X Rancher - 970 70 24‑50
Included
  • Nose type
    Sprocket nose
  • Spikes
    Mounted
  • Chain type
    SP33G
  • Bar length (inch)
    20 in

40% Easier Starting*

The Husqvarna 450X Rancher® is redefining ease for gas chainsaws. Whether the engine is cold or warm, the simple starting procedure delivers 40% easier starting*. While the pro-grade power of AutoTune™ automatically adjusts the engine settings to ensure maximum performance. The patented crankcase design has been optimized for engine cooling, helping deliver reliable and long-lasting performance. Our patented X-TORQ® engine maximizes power, even at low RPMs, to deliver an all-around powerhouse you can count on season after season.

Features

Specifications

Compare specifications and features with similar Husqvarna products.
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20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Engine

Chain speed at max power

60.7 fts

Cylinder displacement

50.2 cm³

Power output

1
3.4 hp

Torque, max.

2.7 Nm

Torque, max. at rpm

7,500 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

96,000 rpm

Oil pump type

Automatic

Spark Plug

Champion RCJ7Y, Husqvarna HQT-1R, NGK BPMR7A
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Equipment

Recommended bar length, min

13 in

Pitch

.325"

Recommended bar length, max

20 in

Chain type

SP33G

Bar length

50 cm

Bar length (inch)

20 in

Sprocket type

Spur 7

Gauge

1.3 mm
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Dimensions

Weight (excl. cutting equipment)

11.2 lbs
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Sound and noise

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)
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Vibration

Equivalent vibration level (ahv, eq) rear handle

4.1 m/s²

Equivalent vibration level (ahv, eq) front handle

3.9 m/s²
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Lubricant

Oil tank volume

55 US pint

Lubricant type (Engine)

Husqvarna 2 stroke or equiv. at 50:1
20" .325", X-Cut, .050 ga., SN, UA, single pack CFTBx
970 70 24‑50
Emission

Exhaust emissions (CO₂ EU V)

2
834 g/kWh

Reviews

Services

Disclaimer:
  • 1Power output: Petrol products - Net power rating as per ISO 7293, Battery products measured comparable to petrol products
  • 2Exhaust emissions (CO₂ EU V): This CO2 measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of a particular engine.

Frequently asked questions

What makes the 450X Rancher unique?

The 450X Rancher is the first 400-series chainsaw with AutoTune™ technology, which automatically adjusts engine settings for optimal performance in any environment.

How easy is it to start the 450X Rancher?

The 450X Rancher is 40% easier to start than the previous 450 Rancher, thanks to its super simple starting interface and AutoTune™.

What is the engine size and power?

The 450X Rancher features a 50.2 cc engine with 3.4 horsepower.

What bar and chain does it use?

It comes with a 20" bar (recommended range: 13"–20") and uses the SP33G X-Cut chain.

What other advanced features does the 450X Rancher offer?

The 450X Rancher includes a reinforced crankcase, quick-release air filter, captured bar nuts, automatic oil pump, and colored felling marks.

What safety and comfort features are included?

Like the other models, it features LowVib®, inertia-activated chain brake, side-mounted chain tensioning, and a flip-up fuel cap.

What is the standard warranty for the 450X Rancher, and can I extend it?

The 450X Rancher is covered by a 2-year limited warranty for residential use, with the option to extend up to 5 years if you purchase qualifying Husqvarna pre-mixed fuel & oil and register your product online.

What is not covered under warranty?

The warranty does not cover normal wear parts, damage from improper use or maintenance, or use of non-approved fuels. Commercial or rental use is not covered under the residential warranty.