Husqvarna T540 XP® Mark III is a top-handle gas chainsaw with impressive power-to-weight. Ideal for arborists and professional tree care teams who want a reliable, high-performance top-handle chainsaw, that’s easy to maneuver and always does the job well. The 40cc class petrol engine combined with the SP21G chain delivers superb cutting capacity with fast acceleration for safe and efficient treetop work.

Engine
Chain speed at max power	66.4 fts
Cylinder displacement	39.1 cm³
Output shaft power1	2.6 hp
Torque, max.	1.9 Nm
Torque, max. at rpm	7,500 rpm
Clutch engagement speed (±120)	4,400 rpm
Electrode gap	0.03 in
Idling speed	3,000 rpm
Ignition module air gap	0.01 in
Maximum power speed	10,200 rpm
Oil pump type	Adjustable flow, no flow at idle
Spark Plug	NGK CMR7H
Equipment
Recommended bar length, min	12 in
Pitch	.325" mini
Recommended bar length, max	16 in
Chain type	SP21G
Sprocket type	Spur 7
Gauge	.043"
Dimensions
Weight (excl. cutting equipment)	8.4 lbs
Sound and noise
Sound pressure level at operators ear	102 dB(A)
Sound power level, guaranteed (LWA)	112 dB(A)
Sound power level, measured	110 dB(A)
Vibration
Equivalent vibration level (ahv, eq) rear handle	3.4 m/s²
Equivalent vibration level (ahv, eq) front handle	3.5 m/s²
Lubricant
Oil tank volume	0.49 US pint
Lubricant type (Engine)	Husqvarna 2 stroke or equiv. at 50:1