Husqvarna 525RX Mark II

45 cm
Cutting width
1 kW
Power output1
5.5 kg
Weight (excl. cutting equipment)
What's included
Husqvarna 525RX Mark II - 970 44 66‑01


  • Grass blade
    Grass 255-4
  • Harness
    Balance 35
  • Trimmer head
    T35 M10

525RX Mark II

Husqvarna 525RX Mark II is a powerful, lightweight 25cc petrol brushcutter for professional use. Equipped with a large fuel tank for extended runtime. This robust, well-balanced brushcutter is designed for frequent trimming work. The large cutting width increases productivity. Connects easily to Husqvarna FleetServices with the connectivity device available as accessory. Comes with harness Balance 35, trimmer head and 4-tooth grass blade.
Compare specifications and features with similar Husqvarna products.

All ex US50, T35 + Grass 255-4 (1")

Art no: 970 44 66‑01

All ex US50, T35 + Grass 255-4 (1")
Art no: 970 44 66‑01
Cylinder displacement25.4 cm³
Power output1
1 kW
Fuel tank volume0.65 l
Fuel consumption600 g/kWh
Maximum power speed8,500 rpm
Idling speed3,000 rpm
Maximum rpm output shaft8,200 rpm
Electrode gap0.55 mm
Clutch engagement speed (±120)4,000 rpm
Torque, max.1.2 Nm
Torque, max. at rpm6,000 rpm
Spark PlugHusqvarna HQT-2
Grass bladeGrass 255-4
HarnessBalance 35
Trimmer headT35 M10
Cutting width45 cm
Gear ratio13
Drive gear angle30 °
Tube diameter24 mm
Weight (excl. cutting equipment)5.5 kg
Tube length1,483 mm
Lubricant type (Engine)Husqvarna 2 stroke or equiv. at 50:1
Sound and noise
Sound pressure level at operators ear94 dB(A)
Exhaust emissions (HC average) EU29.55 g/kWh
Exhaust emissions (CO average) EU337.1 g/kWh
Exhaust emissions (NOx average) EU0.31 g/kWh
Exhaust emissions (CO₂ EU V)2
1,141 g/kWh
Equivalent vibration level (ahv, eq) left handle2.8 m/s²
Equivalent vibration level (ahv, eq) right handle2.7 m/s²
Owner support
Manuals, handbooks, spare parts, guides, and related information for 525RX Mark II can be found in the product support.
Product support for 525RX Mark II
  • 1Power output: Net power rating as per ISO 8893, at specified RPM
  • 2Exhaust emissions (CO₂ EU V): This CO2 measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of a particular engine.