Description

The second generation of Husqvarna’s 550 XP® chainsaw is ready for demanding use in your felling, limbing and bucking operations. The saw delivers maximum power in the 50cc class. Designed for professional forestry and tree care crews, this durable saw has improved power and a slimmed-down design. A host of innovative features guarantee comfortable and efficient operation, season after season.

Features

• Excellent Cooling Capacity for a Longer Engine Life - Our new cooling system is optimized in every detail to give you a reliable chainsaw for any situation.
• Felling Sight to Last a Lifetime - Having a perfect sight is critical when using a chainsaw – so we made one that’s permanently molded into the chainsaw for long-lasting felling accuracy.
• Retained Bar Nuts - The retaining function prevents loosing the bar nuts.
• LowVib Technology - Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably
• Slimmed-Down Design - Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.
• Air Injection Technology - Centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine life
• Flip-Up Fuel Cap - Easy to open and secures firmly, even when wearing thick gloves
• Quick-Release Air Filter - Easily remove and replace the filter after cleaning
• Magnesium Crankcase - Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.
• Retained Starter Screws - A retaining function prevents the accidental loss of the screws holding the starter.
• Snap-Lock Cylinder Cover - Saves time when changing spark plugs and cleaning.
• AutoTune - AutoTune gives optimal engine performance throughout automatic engine setting. No time spent on carburetor adjustments. It compensates for different fuels, altitude, humidity, temperature and clogged air filter.
• Powerful and Efficient X-Torque Engine - X-Torq® engines deliver a great power and torque thanks to highly efficient combustion.
• Fuel Indicator - Transparent fuel indicator makes it easy to check fuel level
• Three-Piece Crankshaft - Forged three-piece crankshaft delivers maximum durability for even the toughest of jobs
• Side-Mounted Chain Tensioner - Easier access to chain tensioning device.
• Adjustable oil Pump - Customize and control oil flow to meet any need
• Made for Professional Use - Engineered for professional use, offering power, performance and durability for demanding tasks.

Specifications

• Chain speed at Max Power: 64.3 fts
• Cylinder Displacement: 50.1 cm
• Output Shaft Power: 4 hp
• Torque, Max: 3.15 Nm
• Torque, Max at RPM: 7800 rpm
• Clutch Engagement Speed (+-120): 3900 rpm
• Electrode Gap: .02"
• Idling Speed: 2800 rpm
• Ignition Module Air Gap: .01"
• Max Power Speed: 10200 rpm
• Oil Pump Type: Adjustable flow, no flow at idle
• Recommended Bar Length, Min: 13"
• Pitch: .325"
• Recommended Bar Length, Max: 20"
• Chain Type: SP33G
• Bar Length: 45 cm
• Bar Length: 18"
• Sprocket Type: Rim 7
• Gauge: .05"
• Weight Excluding Cutting Equipment: 11.7 lbs
• Sound Power Level Guaranteed (LWA): 117 dB(A)
• Sound Power Level, Measured: 115 dB(A)
• Equivalent Vibration Level (ahv, eq) Rear Handle: 4.6 m/s2
• Equivalent Vibration Level (ahv, eq) Front Handle: 4 m/s2
• Oil Tank Volume: .68 US Pint
• Lubricant Type (engine): Husqvarna 2 stroke or equiv. at 50:1

• Exhaust emissions (CO₂ EU V): 813 g/kWh