Husqvarna 66 Specifications

Husqvarna 66 Specifications

The Husqvarna 66 chainsaw was a powerful and reliable tool for professional and occasional users alike. Manufactured by Husqvarna Vapenfabriks AB in Huskvarna, Sweden, this chainsaw was introduced in 1980 and quickly became a popular choice among loggers, tree surgeons, and landscapers.

With an engine displacement of 66.7cc (4.1 cu. in.) and a manufacturer advertised horsepower of 4.2 hp (3.1 kW), the Husqvarna 66 was capable of tackling tough cutting jobs with ease. It also featured an anti-vibration handlebar system, an inertia-activated chain brake, and a centrifugal clutch for optimal safety and ease of use.

This chainsaw was discontinued at some point in the past, but its legacy lives on as a reliable and powerful tool that paved the way for modern chainsaws.

Specifications Chart

Manufactured byHusqvarna Vapenfabriks AB, Huskvarna, Sweden
Year introduced1980
Engine displacement66.7cc (4.1 cu. in.)
Cylinder bore50mm (1.97 in.)
Piston stroke34mm (1.34 in.)
Cylinder typeAluminum with chrome plated bore
Intake methodPiston ported
The manufacturer advertised H.P.4.2 hp (3.1 kW)
Weight13.5 lbs., powerhead only
Handlebar systemAnti-vibration
Chain brakeInertia activated
Drive TypeDirect
ConstructionDie-cast magnesium
Magneto typeElectronic
CarburetorTillotson HS-224A, B series
Major repair kitRK-23HS
Minor repair kitDG-5HS/T
Air filter systemNylon mesh cartridge
Starter typeHusqvarna automatic rewind
Oil pumpAutomatic, adjustable
Maximum engine RPM12,500 maximum after break-in
Idle RPM2,500
Ignition timingFixed
Breaker point settingNone
Flywheel/coil air gap0.3 mm (0.012 in.)
Spark plug typeBosch WS7F
Spark plug gap0.5mm (0.020 in.)
Crankshaft main bearingsBall
Fuel tank capacity25.4 fl. oz.
Fuel oil ratio40:1
Recommended fuel octaneRegular
Mix oil specificationTwo-stroke chain saw mix oil, 50:1 with Husqvarna mix oil
Chain pitch3/8 in.
Bar mount pattern17 link
Shortest guide bar supplied40cm (16 in.)
Longest guide bar supplied71cm (28 in.)
Color schemeHusqvarna Orange
Illustrated parts listYes
Service manualYes
Husqvarna 66 Chainsaw Specs

In conclusion, the Husqvarna 66 chainsaw was a powerful and versatile tool designed for professional use. Its anti-vibration handlebar system and inertia-activated chain brake made it safer and more comfortable to use, while its die-cast magnesium construction made it durable and reliable.


Manufactured by Husqvarna Vapenfabriks AB in Sweden, the chainsaw was introduced in 1980 and featured an engine displacement of 66.7cc (4.1 cu. in.) with a maximum horsepower of 4.2 (3.1 kW). With a fuel tank capacity of 25.4 fl. oz. and recommended fuel octane of regular, it required a fuel oil ratio of 40:1 and a two-stroke chain saw mix oil, 50:1 with Husqvarna mix oil.

The chainsaw was available with guide bars ranging from 16 inches to 28 inches in length, and its illustrated parts list and service manual made it easy to repair and maintain. Although it has been discontinued, the Husqvarna 66 chainsaw remains a popular collector saw choice among professionals and enthusiasts alike.

One comment

  1. Tony

    just what I was looking for, the husky chainsaw specs-thanks

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