The Husqvarna 257 chainsaw was a powerful and reliable tool manufactured by Husqvarna Vapenfabriks AB in Huskvarna, Sweden. Introduced in 1994, it quickly gained a reputation among professionals and homeowners alike for its high performance and durability.
However, after being in production for seven years, the Husqvarna 257 was discontinued in 2001. Despite its discontinuation, the 257 remains a popular choice among chainsaw enthusiasts, and its parts and service manuals are still available for those who continue to use this impressive machine. Let’s take a closer look at the specifications of the Husqvarna 257 chainsaw.
Specifications Chart
Specifications | Details |
---|---|
Manufactured by | HUSQVARNA VAPENFABRIKS AB, HUSKVARNA, SWEDEN |
Year introduced | 1994 |
Year discontinued | 2001 |
Engine displacement | 57 cc (3.47 cu. in.) |
Cylinder bore | 46 mm |
Piston stroke | 34 mm |
Cylinder type | Chrome plated aluminum |
Intake method | Piston ported |
Manufacturer advertised HP | 2.7 kW (3.7 hp) |
Weight | 5.6 kg (12.3 lbs.) powerhead only |
Handlebar system | Anti-vibration |
Chain brake | Inertia activated |
Clutch | Centrifugal |
Drive Type | Direct |
Construction | Die-cast magnesium, injection-molded plastic |
Magneto type | Electronic Electrolux ET |
Carburetor | Walbro HDA-120 |
Major repair kit | K20-HDA |
Minor repair kit | D10-HDA |
Air filter system | Nylon mesh cartridge |
Starter type | Automatic rewind |
Oil pump | Automatic, worm gear-driven |
Maximum engine RPM | 9,000 under load, 13,000 free |
Idle RPM | 2,700 |
Ignition timing | Fixed |
Breaker point setting | None |
Flywheel/coil air gap | 0.3 mm (.012 in.) |
Spark plug type | Bosch WS7F |
Spark plug gap | 0.05 mm (0.020 in.) |
Crankshaft main bearings | Ball |
Fuel oil ratio | 50:1 |
Recommended fuel octane | Regular grade |
Mix oil specification | Electrolux approved 2-cycle type |
Chain pitch | 0.325 in. |
Chain type | Oregon 21LP |
Bar mount pattern | 01 link |
Shortest guide bar supplied | 33 cm (13 in.) |
Longest guide bar supplied | 51 cm (20 in.) |
Color scheme | Husqvarna Orange |
Illustrated parts list | Yes |
Service manual | Yes |
In conclusion, the Husqvarna 257 chainsaw was a powerful and durable machine introduced in 1994 by HUSQVARNA VAPENFABRIKS AB, HUSKVARNA, SWEDEN. With a 57 cc engine displacement, it was advertised to have a 2.7 kW (3.7 hp) power output. It featured an anti-vibration handlebar system, an inertia-activated chain brake, and an automatic oil pump.
Although it was discontinued in 2001, the Husqvarna 257 remains a popular choice among chainsaw enthusiasts due to its reliability and high-performance capabilities.