A 4500


Quick Overview

The Alpina Black A 4500 petrol chain saw is powered by a 45.02 cc, petrol 2-stroke engine and provided with 18"/45 cm bar combined with an efficient .325" chain pitch and automatic adjustable oil pump. Chain tensioning by side screw. 


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

Double chain brake

In case of kickback, the double braking system is able to stop the chain in a fraction of a second. The inertial device automatically stops the chain speed in case of inproper contact while the manual brake is easily activated by operator's hand on the safety guard

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

Vibe Control System (VCS) Yes
Article number 228318000/11
EAN code 8008984506176
Engine model 45,02 CC - 18''/45CM
Power Source Petrol 2-stroke
Displacement 45,02 cm³
Engine net power 1,8 kW
Fuel tank capacity 0,55 L
Maximum speed 11000 rpm
Idling speed 3000-3200 rpm
Carburettor type Butterfly valve
Ignition coil type Analogic
Choke Manual
Starter Recoil
Primer Yes
Air filter type Compressed fiber
Bar length 45 cm
Bar length inches 18 "
Bar type Sprocket nose
Chain type .325" .058" (21BPX-72X)
Chain brake Manual and inertial
Chain speed 21,2 m/s
Oil tank capacity 0,26 L
Oil pump Automatic adjustable
Tensioning system Front screw tensioning
Handle type Rear handle
Soft grip handle -
Included tools kit Yes
Net weight 6,1 kg
Net weight without bar and chain 5,3 kg
Gross weight 7,7 kg
Packaging dimensions (LxWxH) 462 X 265 X 330 mm
Anti-vibration system (AVS) Yes
Vibrations level (front/rear handle) 7,4 / 12,2 m/s�
Sound power level (LWA) 112 dB(A)
No data available

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