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
| Specification | Value |
|---|---|
| Manufactured by | HUSQVARNA VAPENFABRIKS AB, HUSKVARNA, SWEDEN |
| Year Introduced | 1978 |
| Year Discontinued | 1991 |
| Engine Displacement | 40ccm (2.4 cu. in.) |
| Cylinder Bore | 40mm (1.575 in.) |
| Piston Stroke | 32mm (1.260 in.) |
| Cylinder Type | Aluminum with Chrome plated bore |
| Intake Method | Piston ported |
| Manufacturer Advertised HP | 2.5 (1.8 kW) |
| Weight | 5.6 kg with 32 cm bar & chain<br>12.3 lbs. with 13 in. bar & chain |
| Handlebar System | Anti-vibration |
| Chain Brake | Mechanical |
| Clutch | Centrifugal |
| Drive Type | Direct |
| Construction | Die-cast Magnesium |
| Magneto Type | Breaker point flywheel ignition system |
| Carburetor | Walbro HDC series<br>ZAMA C1Q-EL1 |
| Major Repair Kit | K10-HDC for Walbro<br>RB-45 for ZAMA |
| Minor Repair Kit | D10-HDC for Walbro<br>GND-33 for ZAMA |
| Air Filter System | Nylon mesh cartridge |
| Starter Type | Husqvarna automatic rewind |
| Oil Pump | Automatic, adjustable |
| Maximum Engine RPM | 9,000, 12,500 max free after break-in |
| Idle RPM | 2,500 |
| Ignition Timing | Points 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 Setting | 0.3 to 0.4mm (0.012 to 0.016 in.) |
| Flywheel/Coil Air Gap | 0.30 to 0.35 mm (0.012 to 0.016 in.) |
| Spark Plug Type | Bosch WS7F, Champion RCJ7Y |
| Spark Plug Gap | 0.5mm (0.020 in.) |
| Crankshaft Main Bearings | Ball |
| Fuel Tank Capacity | 500 ml (1.05 pints) |
| Fuel Oil Ratio | 50:1 |
| Recommended Fuel Octane | Regular |
| Mix Oil Specification | Two-stroke chain saw mix oil |
| Chain Pitch | .325 in. |
| Chain Type | Oregon 20LP, 21LP |
| Bar Mount Pattern | 01 link |
| Shortest Guide Bar Supplied | 32 cm (13 in.) |
| Longest Guide Bar Supplied | 45 cm (18 in.) |
| Color Scheme | Husqvarna Orange enamel |
| Illustrated Parts List | Yes |
| Service Manual | Yes |
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.