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HUSQVARNA K770 OilGuard Power Cutter

Ever had engine trouble caused by the wrong oil-fuel mix or oil type? Our unique OilGuard technology will help you prevent the damage from this. An optical detection system guards your machine, and reduces the revs per minute if something is wrong, saving you maintenance costs. Perfect for the rental industry.

  • Cutting depth, max
    125 mm
  • Blade diameter, max
    350 mm
  • Output power
    3.7 kW



The unique optical detection system prevents engine damage caused by wrong fuel-oil mix or oil type.

Possible to de-activate the OilGuard function

You can use standard two-stroke oil by deactivating the OilGuard function, simply pull out the OilGuard button by the rear handle.

Easy and optimal belt tensioning

The semi-automatic SmartTension minimises the risk of under- and over tensioning

Light and powerful

A light, compact and powerful machine with superior power-to-weight ratio.

Heavy-duty cutting arm
The new-designed cast magnesium crankcase has a three-bolt joint to attach the cutting head, enabling higher torsional rigidity than the previous two-bolt solution.

Long service intervals
A strong Poly-V belt combined with our maintenance-free starter DuraStarter™ and efficient filter-system Active Air Filtration™ ensures long service intervals.

Digital ignition with optimised timing
Provides a powerful spark with optimized timing, enabling easy start and efficient combustion.

Exceptionally low vibrations
Vibrations below 2.5 m/s2 in the cutter handles for more comfort and longer operation periods.

Easy to start
The unique design of the carburettor, cylinder and digital ignition system, together with air purge and decompression valve ensure an easy start.

Maintenance-free air filter
The only time the filter needs to be checked and changed is if you experience lack of power.

High power with less fuel
Our built-in automatic filter compensation SmartCarb™ maintains high power and lowers fuel consumption.

Optimised engine performance
Optimised engine performance through efficient cylinder design, digital ignition system and X-Torq engine technology.

Less slurry and low water consumption
Excellent dust control with our wet cutting kit. A progressive water valve for exact adjustment of the water volume to efficiently bind the dust and reduce slurry.

Easy to change blade guard position
The light magnesium blade guard facilitates cutting, thanks to its step-less adjustment.

Fits multiple blade bushings
Blades with 20mm and 25.4mm bore can be fitted thanks to the reversible blade bushing.

Less emissions and fuel consumption
Our X-Torq® engine produces less emissions, lower fuel consumption and produces more power.

Blade shaft and bearings
Provide extended blade life and reduces maintenance.

Maintenance-free starter
Our dust-sealed starter, where the return spring and the pulley bearing are sealed, gives a virtually maintenance free starter. Developed with a durable starter cord.

Reduced wear
Reduced wear thanks to the drive belt with fully sealed transmission, which keeps out the cutting dust.

Cuts close to walls or ground
Possible thanks to the reversible cutting arm

Active Air Filtration™
Our two-step filtration system with centrifugal cleaning and a single paper filter increases product life and extends service intervals.

Anti-vibration system
Reduced vibrations in the cutter handle for more comfort and longer operation periods.

Our virtually maintenance free starter, thanks to the dust-sealed starter and the durable starter cord.

EasyStart ensures easier starting by reducing the compression in the cylinder.

Poly-V belt
Provides better transmission of power, less frequent re-tensioning and extended service intervals.

Our built-in automatic filter compensation maintains high power during the air filter life time.

Blade retarder
Reduces the stop time of the blade when the machine is switched off, which enables you to quickly move on to the next job.
Cutting Types:
  • Asphalt cutting in roadworks.
  • Cutting building blocks, curbstones and garden pavers
  • Burying of all kinds of cables.
  • Cutting cast concrete.
  • Rail cutting.
  • Regular cutting in floors and walls.
  • Cutting in rescue operations.