The Husqvarna 180S chainsaw was introduced by Husqvarna Vapenfabriks AB in 1971, and it quickly gained a reputation for being a reliable and powerful saw. With a 77ccm engine and 4.5 horsepower, the 180S was a workhorse in the forestry industry. Although the saw was discontinued at some point, it remains a favorite among collectors and enthusiasts for its rugged construction, anti-vibration handlebar system, and automatic rewind starter.
The 180S was also designed with a die-cast magnesium construction, a Bosch KB 1 flywheel-type magneto, and a Tillotson HS-122A series carburetor. It was capable of driving chains up to 24 inches and had a fuel tank capacity of 700 ml. While it may no longer be in production, the Husqvarna 180S chainsaw continues to be a beloved tool in the hands of those who appreciate its power and durability.
Specifications Chart
| Manufacturer | Husqvarna Vapenfabriks AB |
|---|---|
| Series or Assembly Number | |
| Year Introduced | 1971 |
| Year Discontinued | N/A |
| Engine Displacement | 77 ccm |
| Cylinder Bore | 52 mm |
| Piston Stroke | 36 mm |
| Cylinder Type | Aluminum with chrome plated bore |
| Intake Method | Piston ported |
| Manufacturer Advertised H.P. | 4.5 hk |
| Weight | 7.5 kg |
| Handlebar System | Anti-vibration |
| Chain Brake | None |
| Clutch | Centrifugal |
| Drive Type | Direct |
| Construction | Die-cast magnesium |
| Magneto Type | Bosch KB 1 flywheel type |
| Carburetor | Tillotson HS-122A series |
| Major Repair Kit | RK-23HS |
| Minor Repair Kit | DG-5HS/T |
| Air Filter System | Nylon mesh cartridge |
| Starter Type | Automatic rewind |
| Oil Pump | Automatic |
| Maximum Engine RPM | 7,200 |
| Idle RPM | N/A |
| Ignition Timing | N/A |
| Breaker Point Setting | N/A |
| Flywheel/Coil Air Gap | Position is fixed |
| Spark Plug Type | Bosch WKA 175 T, Champion CJ-8 |
| Spark Plug Gap | N/A |
| Crankshaft Main Bearings | Ball |
| Fuel Tank Capacity | 700 ml |
| Fuel/Oil Ratio | 25:1 |
| Recommended Fuel Octane | Regular |
| Mix Oil Specification | Two-cycle mix oil |
| Chain Pitch | 3/8 in. |
| Bar Mount Pattern | 17 link |
| Shortest Guide Bar Supplied | 33 cm (13 in.) |
| Longest Guide Bar Supplied | 61 cm (24 in.) |
| Color Scheme | Husqvarna Orange enamel |
| Illustrated Parts List | Yes |
| Service Manual | Yes |
In conclusion, the Husqvarna 180S chainsaw was a powerful and reliable tool that was introduced in 1971 by Husqvarna Vapenfabriks AB. With its 77cc engine, aluminum cylinder with a chrome-plated bore, and anti-vibration handlebar system, the 180S was a popular choice among professional lumberjacks and homeowners alike.
hough it was discontinued, the 180S has left a lasting impression on those who used it and remains a sought-after collector’s item. Its durability and performance are a testament to Husqvarna’s commitment to quality and innovation in the chainsaw industry.