Husqvarna 550 XP 18 inch 50.1cc Professional Chainsaw

Model: 550 XP  |  Item Number: 966648203
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Features for the Husqvarna 550 XP

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The Husqvarna 550 XP chainsaw is designed for experienced loggers and landowners. The combination of an X-Torq engine and AutoTune technology gives this saw optimal engine performance with reduced fuel consumption. The 550 XP is equipped with the rapid acceleration RevBoost, providing a higher chain speed for quicker cuts. Its three-piece crankshaft and magnesium crankcase are what's needed in a chainsaw that will endure extreme professional use.

  • Engine: 50.1cc X-Torq engine. 20% less fuel consumption and 60% less exhaust emission.
  • AutoTune: AutoTune gives optimal engine performance with no time spent on carburetor adjustments. It compensates for different fuels, altitude, humidity, temperature and clogged air filters.
  • Air Injection: Removes larger dust and debris particles before reaching the air filter, reducing air filter cleanings and improving engine life.
  • LowVib: The LowVib system reduces vibration levels to keep you energized during longer usage.
  • RevBoost: Rapid acceleration and higher chain speed provide faster cuts with exceptional limbing performance.
  • Side-mounted Chain Tensioner: Access is easier to chain tensioning device.
  • Slim Design: Low, slender saw body makes the chainsaw easy and convenient to handle in any situation.
  • Retained Bar Nuts: The retaining function prevents losing the bar nuts.
  • Three-piece Crankshaft: Durability at its max with the three-piece crankshaft and magnesium crankcase.
  • Adjustable Oil Pump: Control the oil flow depending on application and weather conditions.

Technical Specs for the Husqvarna 550 XP*

Engine X-Torq
Oil Capacity .57 US pint
Gross Torque 2.8 Nm/6900 rpm
Engine 2-Cycle
Weight (lbs.) 10.8 pounds
Engine Specification
Displacement(cc) 50.1cc
Power 3.75 hp
Oil Pump Type Adjustable flow, no flow at idle
Oil Pump Capacity 5-12 ml/min
Fuel Consumption 446 g/kWh
Idling Speed 2800 rpm
Spark Plug NGK CMR6H
Electrode Gap .02"
Maximum Power Speed 10200 rpm
Maximum Recommended Engine Speed 14000 rpm
Emission, Vibration and Noise
Vibration Level (ahv, eq) front / rear handle 2.8/3.7 m/s²
Sound Pressure Level at Operator's Ear 106 dB(A)
Sound Power Level, Gauranteed (LWA) 116 dB(A)
Exhaust Emissions (CO2 average) 837 g/kWh
Exhaust Emissions (CO average) 271 g/kWh
Exhaust Emissions (HC average) 57 g/kWh
Exhaust Emissions (NOx average) 4 g/kWh
Cutting Equipment
Chain Pitch .325"
Bar Length 18 inches
Cutting Speed 64.3 fts

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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