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.

Specifications:

Engine

• Cylinder displacement: 39.1 cm³
• Power output: 2.6 hp
• Max torque: 1.9 Nm @ 7,500 rpm
• Max power speed: 10,200 rpm
• Idling speed: 3,000 rpm
• Clutch engagement speed: 4,400 rpm
• Electrode gap: 0.03 in
• Ignition module air gap: 0.01 in
• Oil pump type: Adjustable flow, no flow at idle
• Spark plug: NGK CMR7H

Cutting Equipment

• Bar length: 16 in (40 cm)
• Pitch: .325" mini
• Gauge: .043"
• Chain type: SP21G
• Recommended bar length: 12 – 16 in
• Sprocket type: Spur 7

Dimensions & Weight

• Weight (excl. cutting equipment): 9 lbs

Sound & Vibration

• Sound pressure at operator’s ear: 103 dB(A)
• Sound power level (guaranteed): 112 dB(A)
• Sound power level (measured): 111 dB(A)
• Vibration front handle: 3.7 m/s²
• Vibration rear handle: 5.1 m/s²

Lubrication

• Oil tank volume: 0.49 US pint
• Lubricant type: Husqvarna 2-stroke or equivalent, 50:1