TB 420


Quick Overview

The Alpina TB 420 brushcutter is equipped with a 42,7 cc petrol 2-stroke engine. The body of the brush cutter has a reinforced structure to absorbe impacts, while the nylon head is developed in order to obtain a more silent work. Single harness and a 3T metal blade are supplied together with the Alpina TB 420 brushcutter.
Power source: Petrol
Displacement: 42,7 cm3
Cutting width: 43 cm
Shaft type: Straight


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

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

Single harness

Ergonomic single harness is a valid help to help the user in managing and carrying the machine during working operations, reducing fatigue on shoulders, arms and hands

Tap & Go nylon head

The releasing system provides an automatic fast line feed by tapping the cutting head on the ground without switching off the engine and opening the trimmer head

Power Source Petrol 2-stroke
Displacement 42,7 cm³
Engine net power 1,25 kW
Fuel tank capacity 1 L
Carburettor type Rotary valve
Maximum speed 9800 rpm
Idling speed 3000-3200 rpm
Primer Yes
Ignition coil type Analogic
Choke Manual
Starter Recoil
Air filter type Sponge
Cutting width 43 cm
Nylon head type Tap & Go dual line
Nylon diameter 2,4 mm
Blade type 3T (Ø 255 mm)
Shaft type Straight
Pipe tube diameter 26 mm
Inner shaft diameter 8 mm
Handle type Loop
Soft grip handle -
Harness Single
Included tools kit Yes
Net weight 7,9 kg
Net weight without cutting system 7,1 kg
Gross weight 12,2 kg
Packaging dimensions (LxWxH) 1825 X 300 X 295/110 mm
Anti-vibration system (AVS) Yes
Vibration level (left/right handle) 7,78 / 6,20 m/s�
Sound power level (LWA) 114 dB(A)
Vibe Control System (VCS) Yes
Article number 286320000/13
EAN code 8008984612495
Engine model 42,7 cc
No data available
No data available

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