Husqvarna 445S is a chainsaw designed to handle all your tasks, from forestry work like felling, cutting, and limbing to cutting firewood. Building on the reliable 400 series, this light chainsaw offers improved ease of use and a reinforced, robust design, as well as an optimised 2.2 kW X-Torq® engine for increased performance. The upgraded cutting experience is also ensured by the easy start function and features such as coloured felling marks and captured bar nuts.

Specifications

Engine - Compare specifications across different product articles

Engine	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Chain speed at max power	17.3 m/s
Cylinder displacement	50.2 cm³
Output shaft power 1	2.2 kW

Equipment - Compare specifications across different product articles

Equipment	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Recommended bar length, min	33 cm
Pitch	.325"
Recommended bar length, max	50 cm
Chain type	SP33G
Bar length	45 cm
Bar length (inch)	18 in

Dimensions - Compare specifications across different product articles

Dimensions	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Weight (excl. cutting equipment)	5 kg

Sound and noise - Compare specifications across different product articles

Sound and noise	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Sound pressure level at operators ear (LpA)	106 dB(A)
Sound power level, guaranteed (LWA)	116 dB(A)

Vibration - Compare specifications across different product articles

Vibration	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Equivalent vibration level (ahv, eq) rear handle	4.6 m/s²
Equivalent vibration level (ahv, eq) front handle	4.3 m/s²

Emission - Compare specifications across different product articles

Emission	18", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 02‑18
Exhaust emissions (CO₂ EU V) 2	718 g/kWh