Specs
20" RSN C83 SKU: 970 69 66‑20 | |||
---|---|---|---|
Engine | 20" RSN C83 SKU: 970 69 66‑20 | 18" RSN C83 SKU: 970 69 66‑38 | 20" RSN C85 SKU: 970 69 66‑40 |
Chain speed at max power | 70.2 fts | 70.2 fts | 70.2 fts |
Cylinder displacement | 59.8 cm³ | 59.8 cm³ | 59.8 cm³ |
Output shaft power1 | 4.7 hp | 4.7 hp | 4.7 hp |
Torque, max. | 3.44 Nm | 3.44 Nm | 3.44 Nm |
Torque, max. at rpm | 7,800 rpm | 7,800 rpm | 7,800 rpm |
Clutch engagement speed (±120) | 4,100 rpm | 4,100 rpm | 4,100 rpm |
Electrode gap | 0.02 in | 0.02 in | 0.02 in |
Idling speed | 2,800 rpm | 2,800 rpm | 2,800 rpm |
Ignition module air gap | 0.01 in | 0.01 in | 0.01 in |
Maximum power speed | 9,600 rpm | 9,600 rpm | 9,600 rpm |
Oil pump type | Adjustable flow | Adjustable flow | Adjustable flow |
Spark Plug | NGK CMR6H | NGK CMR6H | NGK CMR6H |
Equipment | |||
Recommended bar length, min | 15 in | 15 in | 15 in |
Pitch | 3/8" | 3/8" | 3/8" |
Recommended bar length, max | 28 in | 28 in | 28 in |
Chain type | C83 | C83 | C85 |
Bar length | 50 cm | 45 cm | 50 cm |
Bar length (inch) | 20 in | 18 in | 20 in |
Sprocket type | Rim 7 | Rim 7 | Rim 7 |
Gauge | .050" | .050" | .058" |
Dimensions | |||
Weight (excl. cutting equipment) | 13.4 lbs | 13.4 lbs | 13.4 lbs |
Sound and noise | |||
Sound pressure level at operators ear | 107 dB(A) | 107 dB(A) | 107 dB(A) |
Sound power level, guaranteed (LWA) | 118 dB(A) | 118 dB(A) | 118 dB(A) |
Sound power level, measured | 116 dB(A) | 116 dB(A) | 116 dB(A) |
Vibration | |||
Equivalent vibration level (ahv, eq) rear handle | 4.5 m/s² | 4.5 m/s² | 4.5 m/s² |
Equivalent vibration level (ahv, eq) front handle | 4 m/s² | 4 m/s² | 4 m/s² |
Lubricant | |||
Oil tank volume | 0.7 US pint | 0.7 US pint | 0.7 US pint |
Lubricant type (Engine) | Husqvarna 2 stroke or equiv. at 50:1 | Husqvarna 2 stroke or equiv. at 50:1 | Husqvarna 2 stroke or equiv. at 50:1 |
Emission | |||
Exhaust emissions (CO₂ EU V)2 | 778 g/kWh | 778 g/kWh | 778 g/kWh |