Cylinder displacement
Output shaft power1
Chain speed at max power
Product Options
What's Included
Included
- Nose typeReplaceable sprocket nose
- SpikesMounted
- Chain typeC83
- Bar length (inch)20 in
Professional 71cc chainsaw for demanding heavy-duty forestry work
Features
Specifications
20" RSN 3/8" 1,3 mm C83 SKU: 966 73 39‑06 | ||||||
---|---|---|---|---|---|---|
Engine | 20" RSN 3/8" 1,3 mm C83 SKU: 966 73 39‑06 | 20" RSN 3/8" 1,5 mm C85 SKU: 966 73 39‑07 | 24" RSN 3/8" 1,3 mm C83 SKU: 966 73 39‑08 | 24" RSN 3/8" 1,5 mm C85 SKU: 966 73 39‑09 | 28" RSN 3/8" 1,3 mm C83 SKU: 966 73 39‑10 | 28" RSN 3/8" 1,5 mm C85 SKU: 966 73 39‑11 |
Chain speed at max power | 67.9 fts | 67.9 fts | 67.9 fts | 67.9 fts | 67.9 fts | 67.9 fts |
Cylinder displacement | 70.6 cm³ | 70.6 cm³ | 70.6 cm³ | 70.6 cm³ | 70.6 cm³ | 70.6 cm³ |
Output shaft power1 | 5 hp | 5 hp | 5 hp | 5 hp | 5 hp | 5 hp |
Torque, max. | 4.2 Nm | 4.2 Nm | 4.2 Nm | 4.2 Nm | 4.2 Nm | 4.2 Nm |
Torque, max. at rpm | 6,900 rpm | 6,900 rpm | 6,900 rpm | 6,900 rpm | 6,900 rpm | 6,900 rpm |
Clutch engagement speed (±120) | 3,800 rpm | 3,800 rpm | 3,800 rpm | 3,800 rpm | 3,800 rpm | 3,800 rpm |
Electrode gap | 0.02 in | 0.02 in | 0.02 in | 0.02 in | 0.02 in | 0.02 in |
Idling speed | 2,700 rpm | 2,700 rpm | 2,700 rpm | 2,700 rpm | 2,700 rpm | 2,700 rpm |
Ignition module air gap | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in | 0.01 in |
Maximum power speed | 9,300 rpm | 9,300 rpm | 9,300 rpm | 9,300 rpm | 9,300 rpm | 9,300 rpm |
Oil pump type | Adjustable flow, no flow at idle | Adjustable flow, no flow at idle | Adjustable flow, no flow at idle | Adjustable flow, no flow at idle | Adjustable flow, no flow at idle | Adjustable flow, no flow at idle |
Spark Plug | NGK BPMR7A | NGK BPMR7A | NGK BPMR7A | NGK BPMR7A | NGK BPMR7A | NGK BPMR7A |
Equipment | ||||||
Recommended bar length, min | 15 in | 15 in | 15 in | 15 in | 15 in | 15 in |
Pitch | 3/8" | 3/8" | 3/8" | 3/8" | 3/8" | 3/8" |
Recommended bar length, max | 28 in | 28 in | 28 in | 28 in | 28 in | 28 in |
Chain type | C83 | C85 | C83 | C85 | C83 | C85 |
Bar length | 50 cm | 50 cm | 60 cm | 60 cm | 70 cm | 70 cm |
Bar length (inch) | 20 in | 20 in | 24 in | 24 in | 28 in | 28 in |
Sprocket type | Rim 7 | Rim 7 | Rim 7 | Rim 7 | Rim 7 | Rim 7 |
Gauge | .050" | .058" | .050" | .058" | .050" | .058" |
Dimensions | ||||||
Weight (excl. cutting equipment) | 14.3 lbs | 14.3 lbs | 14.3 lbs | 14.3 lbs | 14.3 lbs | 14.3 lbs |
Sound and noise | ||||||
Sound pressure level at operators ear | 105 dB(A) | 105 dB(A) | 105 dB(A) | 105 dB(A) | 105 dB(A) | 105 dB(A) |
Sound power level, guaranteed (LWA) | 119 dB(A) | 119 dB(A) | 119 dB(A) | 119 dB(A) | 119 dB(A) | 119 dB(A) |
Sound power level, measured | 117 dB(A) | 117 dB(A) | 117 dB(A) | 117 dB(A) | 117 dB(A) | 117 dB(A) |
Vibration | ||||||
Equivalent vibration level (ahv, eq) rear handle | 5.3 m/s² | 5.3 m/s² | 5.3 m/s² | 5.3 m/s² | 5.3 m/s² | 5.3 m/s² |
Equivalent vibration level (ahv, eq) front handle | 5.2 m/s² | 5.2 m/s² | 5.2 m/s² | 5.2 m/s² | 5.2 m/s² | 5.2 m/s² |
Lubricant | ||||||
Oil tank volume | 0.7 US pint | 0.7 US pint | 0.7 US pint | 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 | 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 | 804 g/kWh | 804 g/kWh | 804 g/kWh | 804 g/kWh | 804 g/kWh | 804 g/kWh |
Reviews
Services
Owner support
- 1Output shaft power: Net power rating as per ISO 7293, at specified RPM
- 2Exhaust emissions (CO₂ EU V): This CO2 measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of a particular engine.