2026 Husqvarna® Power Residential Chainsaws 450X Rancher 20" .325" SN, FA

Current Husqvarna® Power Sawing-Cutting Residential Chainsaws Residential Chainsaws

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Year 2026
Make Husqvarna® Power
Model Residential Chainsaws

Shop Husqvarna® Power Pre-Owned

Product Details Specifications Photos

Year 2026
Manufacturer Husqvarna® Power
Model Name Residential Chainsaws
Trim Name 450X Rancher 20" .325" SN, FA
Generic Type (Primary) General
Displacement 50.2cm³
Engine Power Output shaft: 3.4 hp
Engine Torque max: 2.7 Nm @ 7,500 rpm
Rated Engine Speed Idling: 2,800 rpm | Maximum power: 96,000 rpm
Spark Plug Champion RCJ7Y, Husqvarna HQT-1R, NGK BPMR7A
Lubrication Husqvarna 2 stroke or equiv. at 50:1
Emissions (CO2 EU V): 834 g/kWh

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 may include:

40% Easier Starting*

Easy and consistent starting procedure, whether the engine is cold or warm

Automatic Engine Optimization

AutoTune™ automatically adjusts engine settings for maximum performance

30% Faster Cutting**

Improved cutting capacity increases efficiency and productivity

Husqvarna patented hybrid crankcase

Newly designed crankcase made of plastic and metal to provide increased robustness, performance and longevity

Powerful and Efficient X-TORQ® Engine

X-Torq® engines deliver a great power and torque thanks to highly efficient combustion.

Engine

Displacement 50.2cm³

Engine Power Output shaft: 3.4 hp

Engine Torque max: 2.7 Nm @ 7,500 rpm

Rated Engine Speed Idling: 2,800 rpm | Maximum power: 96,000 rpm

Spark Plug Champion RCJ7Y, Husqvarna HQT-1R, NGK BPMR7A

Lubrication Husqvarna 2 stroke or equiv. at 50:1

Emissions (CO2 EU V): 834 g/kWh

Drivetrain

Clutch engagement speed (±120): 4,150 rpm

Operational

Operating Speed Chain at max power: 60.7 fts

Operating Conditions Equivalent vibration level (ahv, eq) rear/front handle: 4.1 m/s²/ 3.9 m/s²

Performance

Noise Level 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)

Hydraulics

Pump Type Oil: Automatic

Dimensions

Dimensions Electrode gap: 0.02 in | Ignition module air gap 0.01 in | Gauge: .050"

Length Bar: 20 in (50 cm) | Recommended bar min/max: 13 in/20 in

Chain Pitch .325"

Capacities

Oil capacity Tank: 55 US pint | Oil pump, max/min: 20 ml/min / 15 ml/min

Weights

Weight excl. cutting equipment: 11.2 lbs

Features

Features Sprocket type: Spur 7

Chain Type SP33G

2026 Husqvarna® Power Residential Chainsaws 450X Rancher 20" .325" SN, FA