HL 91 K (0°)
A professional hedge trimmer with high reach, low-emission engine and 24" blade.

Keep hard-to-reach hedges looking good with the STIHL HL 91 K (0°) extended reach hedge trimmer. Built for professional use, this mid-length hedge trimmer is lightweight and features a fixed-angle, 24" cutting blade. Easy to operate, the HL 91 K (0°) features a powerful, fuel-efficient, low-emission engine. Its compact design provides excellent maneuverability and includes an innovative ergonomic rubberized control handle with ECOSPEED throttle control, allowing for variable speed regulation. This convenient tool is designed to help professionals work longer with reduced fatigue.

HL 91 K (0°) Specifications - Professional Use | |
DISPLACEMENT | 24.1 cc (1.5 cu. in.) |
ENGINE POWER | 0.9 kW (1.2 bhp) |
FUEL CAPACITY | 540 cc (18.3 oz.) |
BLADE LENGTH | 60 cm (24 in.) |
SHAFT LENGTH | 76 cm (30 in.) |
OVERALL LENGTH | 168 cm (66 in.) |
CUTTING ATTACHMENT | 24"/ 0° head |
WEIGHT* | 5.4 kg (11.9 lbs.) |
*Dry weight. |
Important Information
Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
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.

Model Features
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Reduced-Emission Engine Technology - Caring for Nature
The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards. -
Double-Sided Blades
The dual-ground blade system provides a clean cut and is ideal for cutting through stronger, thicker branches. -
Multi-Function Control Handle
Having easy access to all of the controls on one comfortable handle helps makes it easier to complete tasks so the operator’s hand never has to leave the handle. -
Built in the USA
Indicates products that are built in the United States from domestic and foreign parts and components.
Standard Features
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Common Features for Hedge Trimmers
View the features common to many STIHL hedge trimmers.


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For Your Safety
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Meets ANSI S3.19-1974 standard. Noise Reduction Rating (NRR) of 23 dB(A).
Available color: Black/Grey
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Product Safety Manual (PDF)
STIHL Limited Warranty
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