Description
Product Highlights
Best in class cutting capacity.
The second generation of Husqvarnas 545 chainsaw is a 50cc unit thats ready for your felling, limbing and bucking of small and midsize trees. Designed for professional forestry and tree care crews, this durable saw has improved power and a slimmed-down design. A host of innovative features guarantee comfortable and efficient operation, season after season.
Specifications
| Engine |
20″ SN .325″ 1,3 mm SP33G SKU: 967690602 |
16″ SN .325″ 1,5 mm S35G SKU: 967690616 |
18″ SN .325″ 1,5 mm S35G SKU: 967690618 |
20″ SN .325″ 1,3 mm SP33G SKU: 967690628 |
16″ SN .325″ 1,3 mm SP33G SKU: 967690636 |
18″ SN .325″ 1,3 mm SP33G SKU: 967690638 |
20″ SN .325″ 1,3 mm SP33G SKU: 967690640 |
| Chain speed at max power |
62.7 fts |
62.7 fts |
62.7 fts |
62.7 fts |
62.7 fts |
62.7 fts |
62.7 fts |
| Cylinder displacement |
50.1 cm |
50.1 cm |
50.1 cm |
50.1 cm |
50.1 cm |
50.1 cm |
50.1 cm |
| Output shaft power1 |
3.6 hp |
3.6 hp |
3.6 hp |
3.6 hp |
3.6 hp |
3.6 hp |
3.6 hp |
| Torque, max. |
2.95 Nm |
2.95 Nm |
2.95 Nm |
2.95 Nm |
2.95 Nm |
2.95 Nm |
2.95 Nm |
| Torque, max. at rpm |
7,200 rpm |
7,200 rpm |
7,200 rpm |
7,200 rpm |
7,200 rpm |
7,200 rpm |
7,200 rpm |
| Clutch engagement speed (120) |
3,900 rpm |
3,900 rpm |
3,900 rpm |
3,900 rpm |
3,900 rpm |
3,900 rpm |
3,900 rpm |
| Electrode gap |
0.02 in |
0.02 in |
0.02 in |
0.02 in |
0.02 in |
0.02 in |
0.02 in |
| Idling speed |
2,800 rpm |
2,800 rpm |
2,800 rpm |
2,800 rpm |
2,800 rpm |
2,800 rpm |
2,800 rpm |
| Ignition module air gap |
0.01 in |
0.01 in |
0.01 in |
0.01 in |
0.01 in |
0.01 in |
0.01 in |
| Maximum power speed |
9,900 rpm |
9,900 rpm |
9,900 rpm |
9,900 rpm |
9,900 rpm |
9,900 rpm |
9,900 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 |
Adjustable flow, no flow at idle |
| Spark Plug |
NGK CMR6H |
NGK CMR6H |
NGK CMR6H |
NGK CMR6H |
NGK CMR6H |
NGK CMR6H |
NGK CMR6H |
| Equipment |
|
|
|
|
|
|
|
| Recommended bar length, min |
13 in |
13 in |
13 in |
13 in |
13 in |
13 in |
13 in |
| Pitch |
.325″ |
.325″ |
.325″ |
.325″ |
.325″ |
.325″ |
.325″ |
| Recommended bar length, max |
20 in |
20 in |
20 in |
20 in |
20 in |
20 in |
20 in |
| Chain type |
SP33G |
S35G |
S35G |
SP33G |
SP33G |
SP33G |
SP33G |
| Bar length |
50 cm |
40 cm |
45 cm |
50 cm |
40 cm |
45 cm |
50 cm |
| Bar length (inch) |
20 in |
16 in |
18 in |
20 in |
16 in |
18 in |
20 in |
| Sprocket type |
Rim 7 |
Rim 7 |
Rim 7 |
Rim 7 |
Rim 7 |
Rim 7 |
Rim 7 |
| Gauge |
.050″ |
.058″ |
.058″ |
.050″ |
.050″ |
.050″ |
.050″ |
| Dimensions |
|
|
|
|
|
|
|
| Weight (excl. cutting equipment) |
11.7 lbs |
11.7 lbs |
11.7 lbs |
11.7 lbs |
11.7 lbs |
11.7 lbs |
11.7 lbs |
| Sound and noise |
|
|
|
|
|
|
|
| Sound pressure level at operators ear |
106 dB(A) |
106 dB(A) |
106 dB(A) |
106 dB(A) |
106 dB(A) |
106 dB(A) |
106 dB(A) |
| Sound power level, guaranteed (LWA) |
116 dB(A) |
116 dB(A) |
116 dB(A) |
116 dB(A) |
116 dB(A) |
116 dB(A) |
116 dB(A) |
| Sound power level, measured |
114 dB(A) |
114 dB(A) |
114 dB(A) |
114 dB(A) |
114 dB(A) |
114 dB(A) |
114 dB(A) |
| Vibration |
|
|
|
|
|
|
|
| Equivalent vibration level (ahv, eq) rear handle |
4.6 m/s |
4.6 m/s |
4.6 m/s |
4.6 m/s |
4.6 m/s |
4.6 m/s |
4.6 m/s |
| Equivalent vibration level (ahv, eq) front handle |
4 m/s |
4 m/s |
4 m/s |
4 m/s |
4 m/s |
4 m/s |
4 m/s |
| Lubricant |
|
|
|
|
|
|
|
| Oil tank volume |
0.68 US pint |
0.68 US pint |
0.68 US pint |
0.68 US pint |
0.68 US pint |
0.68 US pint |
0.68 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 |
Husqvarna 2 stroke or equiv. at 50:1 |
| Emission |
|
|
|
|
|
|
|
| Exhaust emissions (CO EU V)2 |
844 g/kWh |
844 g/kWh |
844 g/kWh |
844 g/kWh |
844 g/kWh |
844 g/kWh |
844 g/kWh |