Features
Side-mounted chain tensioner
Easier access to chain tensioning device.
Inertia activated chain brake
Reduces the likelihood of injury due to kickback.
X-Torq®
The powerful and efficient X-Torq® engine cuts both engine emissions and fuel consumption, improving your working environment and saving you money at the gas pump.
Air Injection®
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.
Combined choke/stop control
Allows for easier starting and reduces the risk of engine flooding.
Three-piece crankshaft
Forged three-piece crankshaft for maximum durability for the toughest applications.
LowVib®
System designed to reduce vibration levels to the operator, which lessens fatigue.
Smart Start®
The engine and starter have been designed so the machine starts quickly with minimum effort.
Specifications
| Engine | 440 Art no: 970 51 54‑38 |
| Power output | 2.4 hp |
| Cylinder displacement | 2.5 cu.inch |
| Maximum power speed | 9,000 rpm |
| Idling speed | 2,900 rpm |
| Torque, max. | 2.16 Nm |
| Torque, max. at rpm | 6,300 rpm |
| Clutch engagement speed (±120) | 4,300 rpm |
| Fuel consumption | 513 g/kWh |
| Electrode gap | 0.02 in |
| Ignition module air gap | 0.01 in |
| Oil pump type | Fixed flow |
| Emission | |
| Exhaust emissions (CO2 EU V) | 813 g/kWh |
| Equipment | |
| Bar length (inch) | 18 in |
| Recommended bar length, min | 13 in |
| Recommended bar length, max | 18 in |
| Chain type | SP33G |
| Gauge | .050" |
| Pitch | .325" |
| Sprocket type | Spur 7 |
| Dimensions | |
| Weight (excl. cutting equipment) | 9.7 lbs |
| Lubricant | |
| Lubricant type (Engine) | Husqvarna 2 stroke or equiv. at 50:1 |
| Oil tank volume | 0.53 US pint |
| Oil tank volume | 0.25 l |
| Sound and Noise | |
| Sound power level, guaranteed (LWA) | 114 dB(A) |
| Sound power level, measured | 112 dB(A) |
| Sound pressure level at operators ear | 102 dB(A) |
