Overview
Description
High cutting capacity for high climbers. The Husqvarna T540 XP® Mark III is a top-handle gas chainsaw
designed for arborists and professional tree care teams who demand power, precision, and reliability.
Its 40cc-class engine combined with the SP21G chain delivers fast acceleration and exceptional cutting
performance for efficient and safe work in the canopy.
Key Features
- AutoTune™ 3.0 Optimization
Automatically adjusts engine settings for maximum performance and easy starting in all conditions—no manual carburetor adjustments needed. - Connectivity Ready
Compatible with Husqvarna’s digital services via an optional Integrated Connectivity Device for diagnostics and updates. - Optimized Saw Design
Smooth underside, no protruding parts, and protected controls provide excellent maneuverability and handling. - Dual Attachment Eyelets
Securely attach the saw to a harness and lanyard for safe and convenient climbing use. - Air Injection™ Filtration
Filters up to 98% of incoming dust and debris, reducing maintenance and maintaining peak performance. - X-Precision™ Cutting System
Bar and chain combination delivers precise cuts, excellent bore cutting, and reduced kickback risk. - LowVib® Technology
Reduces vibration through dampeners between the engine and chassis for improved comfort during extended use. - User-Friendly Features
Includes retained bar nut, retained starter screws, flip-up fuel cap, and a long-lasting felling sight for ease of use and reliability.
Engine Specifications
- Displacement: 39.1 cm³
- Power Output: 2.6 hp (1.9 kW)
- Max Power Speed: 10,200 rpm
- Idle Speed: 3,000 rpm
- Max Torque: 1.9 Nm @ 7,500 rpm
- Chain Speed at Max Power: 66.4 ft/s (20.2 m/s)
- Clutch Engagement Speed: 4,400 rpm
- Spark Plug: NGK CMR7H
Cutting Equipment
- Recommended Bar Length: 12 – 16 in (30 – 40 cm)
- Included Bar Length: 14 in (35 cm)
- Chain Type: SP21G
- Pitch: .325″ mini
- Gauge: .043″
- Sprocket Type: Rim 7
- Oil Pump: Adjustable flow (no flow at idle)
Dimensions & Weight
- Weight (without cutting equipment): 8.4 lb (3.8 kg)
Sound & Noise
- Sound Pressure (Operator Ear): 102 dB(A)
- Sound Power (Guaranteed): 112 dB(A)
- Sound Power (Measured): 110 dB(A)
Vibration Levels
- Front Handle: 3.5 m/s²
- Rear Handle: 3.4 m/s²
Lubrication
- Oil Tank Volume: 0.49 US pint
- Fuel Mix: 2-stroke oil at 50:1 ratio
Notes
Power Rating: Net output measured per ISO 7293 at specified RPM.