Quick verdict
The 455 Rancher has been the default serious homeowner chainsaw for two decades: a 55cc X-Torq engine, a 20 inch bar, Smart Start, an inertia chain brake and LowVib dampening. It fells, bucks and limbs anything a rural property produces. The trade-offs are the usual gas ones, noise, fuel mixing and maintenance.
Strengths
- 55cc X-Torq engine with strong torque at low rpm
- 20 inch bar, with 13 to 24 inch bars supported
- Smart Start and air purge for easier starting
- Inertia-activated chain brake
- Air Injection pre-cleaning extends filter life
Weaknesses
- Loud and heavy compared with battery saws
- Two-stroke fuel mixing and seasonal maintenance
- Chain tensioning uses a scrench rather than a tool-free dial
The overall YardToolLab Score is out of 100. Section scores are out of 10.
Why the Rancher Endures
Battery saws have taken the suburban market, but on rural properties with real firewood needs the Husqvarna 455 Rancher remains the saw people recommend to each other. A 55cc X-Torq engine, a 20 inch bar and a reputation for starting and running year after year explain why. It is not a professional saw and does not pretend to be; it is the strongest, most dependable saw most homeowners will ever need.
This review is based on Husqvarna’s specifications and on the large body of owner feedback rather than on our own research.
Cutting Performance
The X-Torq engine delivers strong torque at low rpm, which means the Rancher pulls through hardwood without needing to scream. Owners fell trees, buck firewood and clear storm damage with it as a matter of routine, and the 20 inch bar handles trunks well beyond what any battery saw manages comfortably. Husqvarna rates it for bars from 13 to 24 inches, with 20 the best all-round match.
Starting
Smart Start reduces the effort of the pull and the air purge bulb primes the fuel system. Combined with a combined choke and stop control, owners report dependable starting with fresh fuel. The usual two-stroke truths apply: stale or ethanol-laden fuel is the root of most starting complaints, and canned pre-mix solves them.
Handling and Comfort
LowVib dampeners isolate the handles from engine vibration, and the front handle is offset seven degrees for a more natural wrist angle when bucking. The saw is heavier than battery rivals and about average for its class. Balance with the 20 inch bar is good.
Maintenance
Air Injection spins larger debris out of the intake air before it reaches the filter, which extends cleaning intervals noticeably. Beyond that, expect the normal routine: mix fuel at 50:1, clean the filter, check the plug seasonally, keep the chain sharp and store with stabilised fuel or a dry tank. Chain tensioning uses the scrench via a side-mounted adjuster.
Common Owner Complaints
Noise and weight relative to battery saws, and the occasional complaint about the plastic chain adjuster. Starting issues almost always trace to fuel. Long-term reliability reports are excellent.
Setup Out of the Box
The saw arrives with the bar and chain off. Fitting them takes a few minutes with the scrench, and owners recommend re-checking tension after the first few cuts, since a new chain stretches. Mix fresh fuel at 50:1 with a quality two-stroke oil, fill the bar oil reservoir, and run the first tank or two at partial throttle to seat the engine. Husqvarna’s manual covers the choke sequence, which trips up first-time gas saw owners more than anything mechanical. A sharp chain and correct tension matter more to cutting speed than any other factor.
Alternatives to Consider
The Echo CS-590 Timber Wolf is the direct rival with a longer consumer warranty. Husqvarna’s own 135 Mark II is the lighter saw for smaller jobs. The EGO CS2005 is the battery alternative for anyone who can accept a 20 inch electric saw’s limits.
Verdict
If you heat with wood, maintain acreage or face regular storm cleanup, the 455 Rancher remains one of the best purchases in outdoor power. Battery saws are quieter and cleaner, but none in its price range matches its combination of power, bar length and proven durability.
Full specifications
Husqvarna 455 Rancher 20 Inch Gas Chainsaw FAQs
No. It is Husqvarna's top homeowner and farm saw. Pros use the 500-series and up, which are lighter for their power but cost far more.
A 50:1 two-stroke mix. Pre-mixed canned fuel avoids ethanol problems during storage and is popular with occasional users.
Smart Start reduces pull resistance and the air purge primes the carburettor. Owners report reliable starting with fresh fuel and the correct choke sequence.
Husqvarna rates it for bars from 13 to 24 inches. The 20 inch bar is the best all-round match for the engine.

