An ideal professional saw for logging or large removals. Our most advanced saw for demanding professional use. It features our X-Torq® engine that provides high torque over a very wide rpm range, combined with low fuel consumption and low exhaust emission levels. Ergonomically improved handles reduce fatigue. Smart Start® provides easy starting and Air Injection makes the saw run stronger and longer.
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Cylinder displacement 73.5 cc
Cylinder bore 2.01 inch
Cylinder stroke 1.42 inch
Power output 5.7 hp
Maximum power speed 9600 rpm
Fuel tank volume 23.67 fl oz
Maximum recommended engine speed 13300 rpm
Fuel consumption 417 g/kWh
Idling speed 2700 rpm
Spark plug NGK BPMR7A|Champion RCJ7Y
Electrode gap 0.02 "
Ignition system SEM AM50
Ignition module air gap 0.01 "
Torque, max. 4.5 Nm/8100 rpm
Carburetor model name ZAMA C1M-EL28
Fuel tank volume 1.48 US pint
Oil tank volume 0.85 US pint
Oil pump type Automatic
Oil pump capacity 5-22 ml/min
Vibration & noise data
Equivalent vibration level (ahv , eq) front / rear handle 2.9/3.7 m/s²
Sound pressure level at operators ear 105 dB(A)
Sound power level, guaranteed (LWA) 116 dB(A)
Chain speed at max power 70.21 fts
Chain gauge 0.058 "
Chain speed at 133% of maximum engine power speed 93.5 fts
Recommended bar length, min-max 15"-28"
Bar mount Large
Weight (excl. cutting equipment) 14.55 lbs
Inertia activated chain brake
Reduces the likelihood of injury due to kickback.
Centrifugal air cleaning system removes larger dust and debris particles before reaching the air filter. This results in reduced air filter cleanings and improved engine life.
Delivers lower fuel consumption and reduced exhaust emission levels in accordance with the world´s most stringent environmental regulations.
Combined choke/stop control
Allows for easier starting and reduces the risk of engine flooding.
System designed to reduce vibration levels to the operator, which lessens fatigue.
The engine and starter have been designed so the machine starts quickly with minimum effort.
Quick-release air filter
Facilitates cleaning and replacement of the air filter.
Snap-lock cylinder cover
Saves time when changing spark plugs and cleaning.
Forged three-piece crankshaft for maximum durability for the toughest applications.
Side-mounted chain tensioner
Easier access to chain tensioning device.
Adjustable oil pump
Allows you to control oil flow depending on application and weather conditions.
Front handle ergonomics
Better grip and a 7° offset handle reduces fatigue.
Heavy-Duty Air Filter
This easily accessible filter is designed to handle the high volume of airflow specific to a large professional saw.
Optimized saw body
No protruding parts, a smooth underside, rounded starter cover and well-protected controls all make the saw easy to handle.
Improved handle design
The rear handle is asymmetrically designed with comfort inserts for a more stable and less tiring grip.
Sturdily built crankcase withstands high rpms and tough professional use, ensuring a long service life.
Distinct, colored marks used for aiming the direction of timber fall.