Features for the
Husqvarna 555
Air Injection®
Centrifugal air purification system for more frequent filter cleanings, greater operating flexibility, and reduced wear.
Flip-up fuel caps
Easy to open and secure in place, including when handling with very thick gloves.
Quick air filter replacement
Air filter cleaning and replacement is simplified.
Magnesium crankcase
A strong crankcase to withstand high speeds and severe professional use conditions, ensures long life.
Starter bolts retained
The retaining feature prevents loosening of the screws holding the starter.
Quick-fit cylinder cover
Quick-fit cylinder cover, saving time when replacing and cleaning spark plugs.
Autotune
Autotune ensures optimal engine operation by automatically optimizing engine settings. No wasted time adjusting the carburetor. The system automatically compensates settings for fuel, altitude, humidity, temperature, and level of air filter restriction.
X-Torq®
Ensures reduced fuel consumption and a low level of polluting emissions, thus complying with the most stringent environmental regulations in the world.
Visible fuel level
Transparent fuel tank indicator allows level control.
Simplified chain lubrication
The adjustable oil pump makes it easy to adjust the chain oiler to suit your needs.
Specifications
Engine
Power output: 4.16 hp
Cylinder displacement: 59.8 cm³
Maximum power speed: 9,600 rpm
Idling speed: 2,800 rpm
Torque, max.: 3.51 Nm
Torque, max. at rpm: 6,100 rpm
Clutch engagement speed (±120): 4,300 rpm
Fuel consumption: 438 g/kWh
Fuel consumption: 2.98 lbs/h
Spark plug: NGK CMR6H
Electrode gap: 0.02 in
Ignition module air gap: 0.01 in
Oil pump type: Adjustable flow
Exhaust emissions (CO2 EU V): 819 g/kWh
Equipment
Bar length (inch): 24 in
Recommended bar length, min-max: 13-24 in
Pitch: 3/8"
Dimensions
Weight (excl. cutting equipment): 13.01 lbs.
Lubricant
Oil tank volume: 0.7 US pint
Sound and noise
Sound power level, guaranteed (LWA): 118 dB(A)
Sound power level, measured: 116 dB(A)
Sound pressure level at operator’s ear: 106 dB(A)
Vibrations
Equivalent vibration level (ahv, eq) front handle: 3.2 m/s²
Equivalent vibration level (ahv, eq) rear handle: 5 m/s²
WARNING:
This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to www.P65Warnings.ca.gov.