HS 45 - $299.95 DSRP


Distributor Suggested Retail Price 18 in. Blade DSRP:  $299.95

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This hedge trimmer is lightweight and easy to use, ideal for trimming around the home.

Designed for homeowner use, the HS 45 is available with 18" dual-reciprocating, double-sided blades with integrated cutter guard. High-torque engine adds power without adding weight. Standard features include a heavy-duty gearbox and a large front handle for multi-position cutting.

Print Spec Sheets
HS 45 Specifications
DISPLACEMENT 27.2 cc (1.66 cu. in.)
ENGINE POWER 0.75 kW (1.01 bhp)
WEIGHT With 18" blade: 4.7 kg (10.4 lbs.)
FUEL CAPACITY 230 cc (7.8 oz.)
BLADE LENGTH 18"
STROKES PER MINUTE 3,700
POWER SOURCE Gas
Model Features
  • Zoom
    Anti-Vibration System
    STIHL has a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
  • Zoom
    Double-Sided Blades
    The dual-ground blade system provides a clean cut and is ideal for cutting through stronger, thicker branches.
Standard Features

Important Information
Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty. Learn More…
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Click to view the STIHL Limited Warranty Time Periods
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HS 45 is rated 4.0 out of 5 by 59.
Rated 5 out of 5 by from Light but powerful I have owned this product 10+ years and it has been a steady performer. Use it very often on shrub, it cuts thin and thick with ease. Never any running or cranking problems. I have replaced the blades 3 times but over 10 years is not bad the use one gets out of the blades. Have owned cheaper models and the gear box always tears up, this one never a problem.
Date published: 2017-02-16
Rated 1 out of 5 by from Always the same carburetor issues I´m from Brazil and bought this machine there almost 2 years ago and has been 10 times on the dealer. It´s getting carburetor blocked. It had 3 three carburetors in less than two years. I`m sick about it and spent much money to get it fixed so far. I´m not supposing selling cause my unity rarely works. I´ll buy an electric brazilian model instead even if I have to work with force cable. At least it will work.
Date published: 2017-02-01
Rated 1 out of 5 by from Good trimer bad at starting Bought at rural king this month followed the instuctrctions exact and very difficult to start. I bought Stihl because of their reputation but I have had much less expenceive gas trimer that start with no problem. There was a problem starting at the store and the salesman told me because it was the first time started. Not at all happy with this product. Wish I could get my money back.
Date published: 2016-11-27
Rated 2 out of 5 by from Good trimmer, hard to start As others have wrote, it doesn't start up so easy. When it does start, it has plenty of power. It is fairly light for a gas powered trimmer. I just wish it would start easier!
Date published: 2016-11-12
Rated 1 out of 5 by from Not Impressed I bought this hedge trimmer along with a leaf blower and a weed trimmer in the spring of this year. The blower and weed trimmer have operated flawlessly but this hedge trimmer has been hard to start since day 1. Im very disappointed in this trimmer. I was expecting a very reliable piece of equipment and I never know if its going to start or not.
Date published: 2016-09-26
Rated 5 out of 5 by from Great trimmer for demanding use I have quite much hedges to trim, around my house and also at my mother in law's place. Mostly high hedges, wide, old grumpy branches but also some young and delicate sections. With the previous corded trimmer the hedge trimming was a ardouos weekend project... slow not only because of the cord but also due to lack of power. Since I got the HS45 some years ago the work is finished within an hour per site! Sure, the machine is heavier than a typical corded trimmer but the efficiency is in another league. The long blade cuts like a laser sword, really powerful engine that makes the work quick and fun! I would not say "effortless" because it is still hard work - and you need to have a rather strong back and shoulders to control the machine - but it is also a matter of getting the technique right, work around its gravitational center as often as possible. My wife says I look like Edward Scissorhands when I'm in action... the hedges are trimmed at an incredible pace yet with super precision!I find the HS45 easy to start, there is a special sequence you follow and it has never failed om me (the procedure is actually presented on Youtube for this and similar machines). I use alkylate petrol premix for my small handheld machines, burns much cleaner and is better for the machine and the operator. The machine has required no maintenance so far more than cleaning/lubricating the blade, an occasional air filter cleaning just as precaution. Maybe there is more that should be done but it still feels like new so why bother.There is only one thing that could be better in my opinion: vibration levels. This is not a machine for professional work during extended periods, I would say one tank or an hour is max for a work session before the tingling buzzing sensation in the fingers become a real concern. It is a hedge trimmer for occasional hard use a couple of times per year.
Date published: 2016-09-20
Rated 5 out of 5 by from great trimmers Powerful, light wight, easy start, i love useing them . Thanks sthil!!!!!! Am going to get the weed eater next.
Date published: 2016-09-17
Rated 5 out of 5 by from WORKS GREAT Had to adjust carb when I first got it home but no problems since.
Date published: 2016-09-12
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