Husqvarna 40 Specifications

Husqvarna 40 Specifications

The Husqvarna 40 chainsaw is a true legend of its time. Its introduction in 1978 marked a turning point in the chainsaw industry, and for over a decade, it was a mainstay of the Husqvarna product line. The chainsaw’s 40cc engine provided a powerful and reliable tool for professional loggers and homeowners alike. The anti-vibration handlebar system and mechanical chain brake added to its ease of use and safety features. The die-cast magnesium construction made it lightweight and durable, perfect for long hours of work in the field.

Unfortunately, like all good things, the Husqvarna 40 chainsaw had to come to an end. In 1991, it was discontinued, but its impact on the chainsaw industry was already made. The Husqvarna 40 chainsaw remains an icon, a testament to the quality and reliability of Husqvarna products. Whether you were a seasoned professional or a homeowner looking to tackle some DIY projects, the Husqvarna 40 chainsaw was a name that you could trust.

Specifications Chart

Year Introduced1978
Year Discontinued1991
Engine Displacement40ccm (2.4 cu. in.)
Cylinder Bore40mm (1.575 in.)
Piston Stroke32mm (1.260 in.)
Cylinder TypeAluminum with Chrome plated bore
Intake MethodPiston ported
Manufacturer Advertised HP2.5 (1.8 kW)
Weight5.6 kg with 32 cm bar & chain<br>12.3 lbs. with 13 in. bar & chain
Handlebar SystemAnti-vibration
Chain BrakeMechanical
Drive TypeDirect
ConstructionDie-cast Magnesium
Magneto TypeBreaker point flywheel ignition system
CarburetorWalbro HDC series<br>ZAMA C1Q-EL1
Major Repair KitK10-HDC for Walbro<br>RB-45 for ZAMA
Minor Repair KitD10-HDC for Walbro<br>GND-33 for ZAMA
Air Filter SystemNylon mesh cartridge
Starter TypeHusqvarna automatic rewind
Oil PumpAutomatic, adjustable
Maximum Engine RPM9,000, 12,500 max free after break-in
Idle RPM2,500
Ignition TimingPoints should begin to open when the mark on the flywheel is 2.5mm (0.1 in.) from the upper edge of the lower coil lamination leg. Use a test light or continuity meter for setting.
Breaker Point Setting0.3 to 0.4mm (0.012 to 0.016 in.)
Flywheel/Coil Air Gap0.30 to 0.35 mm (0.012 to 0.016 in.)
Spark Plug TypeBosch WS7F, Champion RCJ7Y
Spark Plug Gap0.5mm (0.020 in.)
Crankshaft Main BearingsBall
Fuel Tank Capacity500 ml (1.05 pints)
Fuel Oil Ratio50:1
Recommended Fuel OctaneRegular
Mix Oil SpecificationTwo-stroke chain saw mix oil
Chain Pitch.325 in.
Chain TypeOregon 20LP, 21LP
Bar Mount Pattern01 link
Shortest Guide Bar Supplied32 cm (13 in.)
Longest Guide Bar Supplied45 cm (18 in.)
Color SchemeHusqvarna Orange enamel
Illustrated Parts ListYes
Service ManualYes
Husqvarna 40 Chainsaw Specs

In conclusion, the Husqvarna 40 chainsaw was a true workhorse that has earned its place in the hearts of professionals and DIY enthusiasts alike. Its solid construction, reliable performance, and user-friendly features have made it a favorite for over a decade. Whether you need to cut down trees, cut firewood, or prune branches, the Husqvarna 40 was up to the task.

Despite being discontinued in 1991, its legacy lives on as a testament to the quality and durability of Husqvarna products. For those who have had the pleasure of using this classic chainsaw, it will always hold a special place in their tool collection and in their memories.

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