
Husqvarna 556 was developed for demanding work by contractors and land owners. The saw has a ground breaking design, is loaded with raw power for efficient operation and has the ability to fit up to 28" bars. Our unique X-Torq® engine technology provides more power when you need it, up to 20% less fuel consumption and 75% less exhaust emissions.
3.65 cu.inch / 59.8 cm³
4.16 hp / 3.1 kW
15"-28" / 38-71 cm
12.79 lbs / 5.8 kg


AutoTune gives optimum engine performance throughout automatic engine settings. No time spent on carburettor adjustments. It compensates for different fuels, altitude, humidity, temperature and clogged air filter.
Centrifugal air cleaning system for reduced wear and longer operating time between filter cleaning.
Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world's most stringent environmental regulations.
Combined start/stop switch and fuel pump make the saw very easy to start.
Adjustable oil pump makes it easy to set the chain lubrication according to your needs.
Facilitates cleaning and replacement of the air filter.
The flip-up tank cap is easy to open and close when refueling.
Distinct felling marks for better felling precision.


| Cylinder displacement | 3.65 cu.inch / 59.8 cm³ |
|---|---|
| Power output | 4.16 hp / 3.1 kW |
| Maximum power speed | 9600 rpm |
| Fuel tank volume | 21.98 fl oz / 0.65 lit |
| Fuel consumption | 438 g/kWh |
| Idling speed | 2800 rpm |
| Spark plug | NGK CMR6H |
| Electrode gap | 0.02 " / 0.5 mm |
| Torque, max. | 3.51 Nm/6100 rpm |
| Oil tank volume | 0.74 US pint / 0.35 lit |
|---|---|
| Oil pump type | Adjustable flow, no flow at idle |
| Equivalent vibration level (ahv, eq) front / rear handle | 2.4/3.1 m/s² |
|---|---|
| Sound pressure level at operators ear | 106 dB(A) |
| Sound power level, guaranteed (LWA) | 118 dB(A) |
|
Chain pitch
|
3/8" |
|---|---|
| Recommended bar length, min-max | 15"-28" / 38-71 cm |
| Chain speed at max power | 69.88 fts / 21.3 m/s |
| Chain speed at 133% of maximum engine power speed | 92.85 fts / 28.3 m/s |
| Chain gauge | 0.058 " |
| Weight (excl. cutting equipment) | 12.79 lbs / 5.8 kg |
|---|