50cc, 3.8hp, 10.8 lbs, 0.325" chain pitch.
Husqvarna 550 XP® Mark II is developed for tree care professionals and skilled land owners.The saw has a ground breaking design and is loaded with innovative solutions for efficient, convenient operation. Our unique X-Torq® engine technology provide more power where you need it, up to 20% less fuel consumption and 75% less exhaust emission.
Product Incentives on the 550XP Mark II when you buy locally from Atlantic Outdoor:
*Free Assembly/Pre-Delivery Inspection
*Free Warranty Registration
Features:
Adjustable oil pump: Adjustable oil pump makes it easy to set the chain lubrication according to your needs.
Air Injection: Centrifugal air cleaning system for reduced wear and longer operating times between filter cleanings.
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.
Combined choke/stop control: Combined choke/stop control allow for easier starting and reduce the risk of engine flooding.
Flip-up tank cap: The flip-up tank cap is easy to open and close when refueling.
Fuel pump: Fuel pump designed for easy starting.
Inertia chain brake: Effective inertia-activated chain brake.
LowVib®: Effective anti-vibration dampeners absorb vibration, sparing the user’s arms and hands.
Magnesium crankcase: Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.
Quick-release air filter: Facilitates cleaning and replacement of the air filter.
Quick release air filter cover: Quick release cover saves time when cleaning or changing spark plug.
Retained bar nuts: The retaining function prevents loosing the bar nuts.
RevBoost™: Rapid acceleration and higher chain speed for best limbing performance.
Side-mounted chain tensioner: Side-mounted chain tensioner makes chain adjustment quick and easy.
Slimmed-down design: Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.
Smart Start®: The engine and starter have been designed so the machine starts quickly with minimum effort. Resistance in the starter cord is reduced by up to 40%.
Snap-lock cylinder cover: Snap-lock cylinder cover saves time when changing spark plugs and cleaning.
Three-piece crankshaft: Forged three-piece crankshaft for maximum durability for the toughest applications.
Visible fuel level: Transparent fuel indicator makes it easy to check fuel level.
X-Torq®: Deliver lower fuel consumption and reduced exhaust emission levels in accordance with the world’s most stringent environmental regulations.
Engine
Power output: 2.8 kW
Cylinder displacement: 50.1 cm³
Maximum power speed: 10200 rpm
Idling speed: 2800 rpm
Torque, max.: 2.8 Nm
Fuel tank volume: 0.52 l
Fuel consumption: 446 g/kWh
Spark plug: NGK CMR6H
Electrode gap: 0.5 mm
Oil pump type: Automatic
Equipment
Bar length (inch): 15″, 16", 18", 20"
Recommended bar length, min: 13 in
Recommended bar length, max: 20 in
Chain pitch: .325″
Chain gauge: 0.05 in
Chain speed at 133% of maximum engine power speed: 26.1 m/s
Sprocket type: Rim 7
Lubricant
Oil tank volume: 0.27 l
Oil pump type: Automatic
Oil pump capacity Max: 12 ml/min
Oil pump capacity Min: 5 ml/min
Sound and Noise
Sound power level, guaranteed (LWA): 116 dB(A)
Sound power level, measured: 114 dB(A)
Sound pressure level at operators ear: 106 dB(A)
Vibration
Equivalent vibration level (ahv, eq) front handle: 3.8 m/s²
Equivalent vibration level (ahv, eq) rear handle: 3.7 m/s²
Note actual product and specs may differ.