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SBC 645 KF



Experience the highest operative comfort combined with top performance. The Stiga SBC 645 KF is the brush cutter for gardeners and farmers to face the most intensive jobs. Equipped with the powerful 45.4 cc backpacked engine mounted on the flexible transmission for optimal balance of weight and operative comfort. The SBC 645 KF is provided with ergonomic handlebar, integrated commands on hand grip, Anti-vibration system, innovative cutting head with Easy Load device for the instant replacement of the nylon line and Tap & Go system to easy lenghten the line. Professional, metal 3-ARC blade included for the toughest working conditions.


The anti-vibration system, using shock absorbent materials, isolates the operator from vibrations produced by engine and cutting system. The benefits are less fatigue stress on arms and hands and a more comfortable working operation.

Easy start system

The innovative starting system reduces up to 30% the resistance in the starter cord. The result is a faster and incredibly comfortable way to begin the work

Full control handle

Throttle, safety lever and starting switch are all mounted on the ergonomic handle, giving a full control of the machine to the operator, in every moment of the working operations

Low emissions

New modern engine technolgy allows to decrease fuel consupmtion and reduce exhaust emission levels accordingly with current environmental regulations


Primer bulb instantly gives the first fuel flow to the carburettor allowing a quick start, even after a long engine stop

Softgrip handle

Softgrip is a special rubber which protect the handle where it get holded while the machine is in use. Absorbing part of the vibrations while augmenting the grip it makes more comfortable the use of your machine.

Tap & Go nylon head

Power Source Petrol 2-stroke
Displacement 45,4 cm³
Engine net power 1,4 kW
Fuel tank capacity 0,9 L
Carburettor type Rotary valve
Maximum speed 10500 rpm
Idling speed 2700-3000 rpm
Primer Yes
Ignition coil type Analogic
Choke Automatic
Starter Easy start recoil
Air filter type Sponge
Cutting width 43 cm
Nylon head type Tap & Go
Nylon diameter 2,4 mm
Blade type TRI ARC (255 mm)
Shaft type Flexible
Pipe tube diameter 28 mm
Inner shaft diameter 8 mm
Handle type Loop
Soft grip handle Yes
Harness Back pack
Included tools kit Yes
Net weight 12,2 kg
Net weight without cutting system 11,2 kg
Gross weight 16,3 kg
Packaging dimensions (LxWxH) Engine (340/280/570) Shaft (1670/120/90) mm
Anti-vibration system (AVS) Yes
Vibration level (left/right handle) 2,90 / 2,20 m/s²
Sound power level (LWA) 113 dB(A)
Vibe Control System (VCS) Yes
Article number 288322002/14
EAN code 8008984623002
Engine model 45,4 CC
No data available
No data available

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