Husqvarna 450S is a chainsaw designed to tackle everything from forestry tasks like felling, cutting, and limbing to cutting firewood. Based on the reliable 400 series, this light chainsaw boasts a reinforced, robust design and user-friendly operation and is equipped with a powerful and optimised 2.4 kW X-Torq® engine for increased performance. The refined starting procedure is further improved by the Smart start feature. Additional features, such as coloured felling marks and a captured bar nut, enhance the overall experience.

Specifications

Engine	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
Chain speed at max power	18.5 m/s
Cylinder displacement	50.2 cm³
Output shaft power 1	2.4 kW

Equipment - Compare specifications across different product articles

Equipment	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
Recommended bar length, min	33 cm
Pitch	.325"
Recommended bar length, max	50 cm
Chain type	SP33G
Bar length	50 cm
Bar length (inch)	20 in

Dimensions - Compare specifications across different product articles

Dimensions	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
Weight (excl. cutting equipment)	5 kg

Sound and noise - Compare specifications across different product articles

Sound and noise	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
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	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
Equivalent vibration level (ahv, eq) rear handle	4.1 m/s²
Equivalent vibration level (ahv, eq) front handle	3.9 m/s²

Emission - Compare specifications across different product articles

Emission	20", .325, SP33G, Spring-Assist, Felt filter, all markets Art no: 970 74 04‑20
Exhaust emissions (CO₂ EU V) 2	718 g/kWh