![](/images/new-backgrounds/1213858/21385861x1.webp)
TECHNICAL DATA
Technical data
| 445 | 445e | 450e |
Engine |
|
|
|
Cylinder displacement, cm3 | 45,7 | 45,7 | 50,2 |
Cylinder bore, mm | 42 | 42 | 44 |
Stroke, mm | 33 | 33 | 33 |
Idle speed, rpm | 2700 | 2700 | 2700 |
Power, kW/ rpm | 2,1/9000 | 2,1/9000 | 2,4/9000 |
Ignition system |
|
|
|
Spark plug | NGK BPMR 7A/ |
| Champion RCJ 7Y/ |
| Husqvarna PR 17Y |
Electrode gap, mm | 0,5 |
Fuel and lubrication system |
|
NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna PR 17Y
0,5
NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna PR 17Y
0,5
Fuel tank capacity, litre | 0,45 | 0,45 | 0,45 |
Oil pump capacity at 9,000 rpm, ml/min | 13 | 13 | 13 |
Oil tank capacity, litre | 0,26 | 0,26 | 0,26 |
Type of oil pump | Not adjustable | Not adjustable | Not adjustable |
Weight |
|
|
|
Chain saw without bar or chain, empty tanks, kg | 4,9 | 5,1 | 5,1 |
Noise emissions |
|
|
|
(see note 1) |
|
|
|
Sound power level, measured dB(A) | 112 | 112 | 113 |
Sound power level, guaranteed LWA dB(A) | 114 | 114 | 115 |
Sound levels |
|
|
|
(see note 2) |
|
|
|
Equivalent sound pressure level at the operator’s |
|
|
|
ear, dB(A) | 103 | 103 | 104 |
Vibration levels |
|
|
|
(see note 3) |
|
|
|
Front handle, m/s2 | 1,9 | 1,9 | 2,3 |
Rear handle, m/s2 | 2,6 | 2,6 | 2,7 |
Chain/bar |
|
|
|
Standard bar length, inch/cm | 13"/33 | 13"/33 | 13"/33 |
Recommended bar lengths, inch/cm | |||
Usable cutting length, inch/cm | |||
Pitch, inch/mm | 0,325/8,25 | 0,325/8,25 | 0,325/8,25 |
Thickness of drive links, inch/mm | 0,058/1,5, 0,050/1,3 | 0,058/1,5, 0,050/1,3 | 0,058/1,5, 0,050/1,3 |
Type of drive sprocket/number of teeth | Spur/7 | Spur/7 | Spur/7 |
Chain speed at max. power, m/sec | 17,3 | 17,3 | 17,3 |
Note 1: Noise emissions in the environment measured as sound power (LWA) in conformity with EC directive 2000/14/ EC.
Note 2: Equivalent sound pressure level, according to ISO 22868, is calculated as the
Note 3: Equivalent vibration level, according to ISO 22867, is calculated as the
31 – English |