Easy to start and maneuver Husqvarna 540 XP® Mark III is a nimble and lightweight gas chainsaw in the 40cc class, designed for professional tree care and thinning operations. The powerful engine combined with the optimal choice of SP21G or S93G chain delivers impressive cutting capacity with fast acceleration. The easy, reliable starts – cold as well as hot – and smooth maneuverability make this chainsaw a favorite for any tree care team. Bar length (inch): 14 in Cylinder displacemen: 2.39 cu.inch
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HUSQVARNA 540 XP® Mark III Features & Benefits

High cutting capacity
New engine design offers plenty of grunt for peak performance even during longer cuts. The high cutting capacity makes the saw ideal for productive operation – even when using a longer guide bar.

Always optimized
Thanks to AutoTune 3.0, the engine settings are always optimized for maximum startability and performance in all conditions, keeping you going no matter the challenges with no need for manual carburetor adjustments.

Felling sight to last a lifetime
Perfect sight is critical when felling – so we made one that will outlast the chainsaw itself.

Optimized saw body
No protruding parts, a smooth underside, rounded starter cover and well-protected controls all make the saw easy to handle.

Air Injection filters 98% of incoming dust
The Air Injection™ feature on the chainsaw filters 98% of incoming sawdust, grit and dirt to reduce the amount of air filter cleanings and ensure high performance at all times.

Connectivity ready
Keep your saw and yourself up to date with Husqvarna’s digital services. Just plug in the optional Integrated Connectivity Device under the cover. Then you’re ready to connect and diagnose the engine.

Flip-Up Fuel Cap
Easy to open and secures firmly, even when wearing thick gloves

LowVib® Technology
Dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortably

Retained bar nut
The retaining function prevents loosing the bar nut.

Retained starter screws
A retaining function prevents the accidental loss of the screws holding the starter.

HUSQVARNA 540 XP® Mark III Specs & Compare

Engine 14" SP21G SN .325mini
SKU: 970 51 01‑14		 16" SP21G SN .325mini
SKU: 970 51 01‑16		 14" S93G SN 3/8mini
SKU: 970 51 80‑14		 16" S93G SN 3/8mini
SKU: 970 51 80‑16
Power output 2.6 hp 2.6 hp 2.6 hp 2.6 hp
Cylinder displacement 2.39 cu.inch 2.39 cu.inch 2.39 cu.inch 2.39 cu.inch
Maximum power speed 10,200 rpm 10,200 rpm 10,200 rpm 10,200 rpm
Idling speed 3,000 rpm 3,000 rpm 3,000 rpm 3,000 rpm
Torque, max. 1.9 Nm 1.9 Nm 1.9 Nm 1.9 Nm
Torque, max. at rpm 7,500 rpm 7,500 rpm 7,500 rpm 7,500 rpm
Clutch engagement speed (±120) 4,400 rpm 4,400 rpm 4,400 rpm 4,400 rpm
Fuel consumption 387 g/kWh 387 g/kWh 387 g/kWh 387 g/kWh
Fuel consumption 1.63 lbs/h 1.63 lbs/h 1.63 lbs/h 1.63 lbs/h
Spark plug NGK CMR7H NGK CMR7H NGK CMR7H NGK CMR7H
Electrode gap 0.03 in 0.03 in 0.03 in 0.03 in
Ignition module air gap 0.01 in 0.01 in 0.01 in 0.01 in
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
Equipment        
Bar length (inch) 14 in 16 in 14 in 16 in
Recommended bar length, min 12 in 12 in 12 in 12 in
Recommended bar length, max 16 in 16 in 16 in 16 in
Chain type SP21G SP21G S93G S93G
Gauge .043" .043" .050" .050"
Pitch .325" mini .325" mini 3/8" 3/8"
Sprocket type Spur 7 Spur 7 Spur 6 Spur 6
Dimensions        
Weight (excl. cutting equipment) 9 lbs 9 lbs 9 lbs 9 lbs
Lubricant        
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
Oil tank volume 0.49 US pint 0.49 US pint 0.49 US pint 0.49 US pint
Oil tank volume 0.23 l 0.23 l 0.23 l 0.23 l
Sound and Noise        
Sound power level, guaranteed (LWA) 112 dB(A) 112 dB(A) 112 dB(A) 112 dB(A)
Sound power level, measured 111 dB(A) 111 dB(A) 111 dB(A) 111 dB(A)
Sound pressure level at operators ear 103 dB(A) 103 dB(A) 103 dB(A) 103 dB(A)
Vibration        
Equivalent vibration level (ahv, eq) front handle 3.7 m/s² 3.7 m/s² 3.7 m/s² 3.7 m/s²
Equivalent vibration level (ahv, eq) rear handle 5.1 m/s² 5.1 m/s² 5.1 m/s² 5.1 m/s²