Husqvarna 257 Specifications

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

Year introduced1994
Year discontinued2001
Engine displacement57 cc (3.47 cu. in.)
Cylinder bore46 mm
Piston stroke34 mm
Cylinder typeChrome plated aluminum
Intake methodPiston ported
Manufacturer advertised HP2.7 kW (3.7 hp)
Weight5.6 kg (12.3 lbs.) powerhead only
Handlebar systemAnti-vibration
Chain brakeInertia activated
Drive TypeDirect
ConstructionDie-cast magnesium, injection-molded plastic
Magneto typeElectronic Electrolux ET
CarburetorWalbro HDA-120
Major repair kitK20-HDA
Minor repair kitD10-HDA
Air filter systemNylon mesh cartridge
Starter typeAutomatic rewind
Oil pumpAutomatic, worm gear-driven
Maximum engine RPM9,000 under load, 13,000 free
Idle RPM2,700
Ignition timingFixed
Breaker point settingNone
Flywheel/coil air gap0.3 mm (.012 in.)
Spark plug typeBosch WS7F
Spark plug gap0.05 mm (0.020 in.)
Crankshaft main bearingsBall
Fuel oil ratio50:1
Recommended fuel octaneRegular grade
Mix oil specificationElectrolux approved 2-cycle type
Chain pitch0.325 in.
Chain typeOregon 21LP
Bar mount pattern01 link
Shortest guide bar supplied33 cm (13 in.)
Longest guide bar supplied51 cm (20 in.)
Color schemeHusqvarna Orange
Illustrated parts listYes
Service manualYes

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.

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