3.3 kW
61.5cc - 4.5 HP
2-STROKE MIXTURE
The Active ST65 BT Brutale brush cutter is designed to offer high performance with an Active two-stroke engine that guarantees power and efficiency . The advanced suction system drastically reduces polluting emissions and improves torque, while the ergonomic design and adjustable harness ensure comfortable use for long work sessions. Ideal for those looking for a professional tool for green care, it combines power, maneuverability and sustainability.
The Active brush cutter is equipped with a 61.5cc Active two-stroke engine that delivers a power of 4.5 HP (3.3 kW), a Walbro WT carburetor and electronic ignition. It weighs 10 kg , has a 30 mm diameter shaft with a thickness of 1.5 mm and a 1.1 L tank.

The 61.5cc Active two-stroke engine delivers 4.5 HP (3.3 kW) of power, ensuring high cutting performance . The advanced engine scavenging technology , with two separate intake ports, allows fresh air to enter to improve efficiency and reduce unburned hydrocarbon emissions by up to 80%. This system also ensures a significant increase in torque and power of up to 30% .
ST65 BT Brutale is equipped with a 120 10x1.25 left-hand threaded head , ensuring precision and optimal cutting capacity. The cutting width depends on the head configuration, with a 78 mm clutch ensuring efficient power transmission. The cutting system is designed to tackle both dense grass and more resistant vegetation.
This brush cutter is equipped with an advanced Twin Dumper Sysyem anti-vibration system , which significantly reduces vibrations between the main shaft and the handlebar, ensuring superior comfort even during prolonged use. The double handle is designed to be easily adjustable and adaptable to any height, offering optimal ergonomics for the operator.
The ergonomic Safe harness, patented by Active , evenly distributes the weight of the brush cutter of 10 kg, reducing operator fatigue . The adjustable fastening system allows the tool to be adapted to different body types, offering optimal comfort during prolonged use.
Thanks to the innovative air management method, this brush cutter reduces fuel consumption by up to 20% , while maintaining high performance. Hydrocarbon emissions are reduced from 40,000 ppm to 8,000 ppm, making it a more environmentally friendly choice compared to traditional models.

For 30 years, Active has been the Made in Italy company specialized in the production of engines and equipment for gardening and agriculture , such as brush cutters , chainsaws and lawnmowers , offering products of excellent quality. The continuous research and development of new technologies allows this 100% Italian brand to stand out among the leaders in the sector, combining innovation , sustainability and superior performance .
| Code | 1660008 |
| Power Supply | Mixture |
| Engine Type | Active 2 Stroke |
| Displacement | 61.5cc |
| Power | 4.5 HP - 3.3 kW |
| Carburetor | Walbro WT |
| Reservoir | 1.1 L |
| Ignition | Electronics |
| Air Filter | Single in Paper |
| Rod Diameter | Ø 30 mm |
| Rod Thickness | 1.5mm |
| Clutch | Ø 78 mm |
| Equipment | Head 120 10x1.25 left f. |
| Strap | Safe |
| Weight | 10 kg |
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