HL 91 K (0°)

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.

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    HP Ultra 2-Cycle Engine Oil

    No matter how you slice it (or trim it or shred it), there’s no better protection for your high performance 2-stroke engine than STIHL HP Ultra Oil. This 2-cycle engine oil has outstanding engine cleaning characteristics, plus “ultra” lubricating qualities that are superior to other 2-cycle engine oils. This fully synthetic oil is also highly biodegradable, degrading by 80% in 21 days. We’re so confident this oil will protect your engine, we’ll double your STIHL limited warranty* when you use it. It’s that good.
    
    *Double your warranty when you purchase either STIHL HP Ultra Oil (six pack) or STIHL MotoMix® Patented Premixed Fuel (one gallon minimum) with your STIHL product purchase. Double limited warranty protection applies to select STIHL gasoline-powered products purchased for personal non-income producing, household purposes only. Other restrictions apply. See dealer for details or refer to STIHL’s Limited Warranty Policy.
    
    Unopened container shelf life: 4 years from the date of filling, in originally sealed containers.

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    No-Spill® Fuel Containers

    No-Spill® fuel containers advance convenience and quality in gasoline-can design by reducing emissions of hydrocarbons from evaporation, permeation and spillage. This helps protect the environment as well as saves you on fuel costs due to waste. Each container is molded from fluorinated, high molecular weight material for low permeation. The thumb-button flow control allows filling even smaller-sized tanks reducing the risk of spilling and is designed to stop the flow automatically, when the tank becomes full, to prevent overflowing. Built on a wide, stable base for less likelihood of upsets and equipped with child-resistant closures, all No-Spill® containers comply with both EPA and CARB requirements. With 1¼-gallon, 2 ½-gallon and 5-gallon sizes available, you’re sure to find one that fits your needs.

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    Forestry Helmet System

    The woods can hold many dangers. Stay one step ahead with the Forestry Helmet System from STIHL. The protection starts with a hard shell of ABS thermoplastic. It gets even better with a six-point, ratchet-style suspension system that absorbs shock and keeps the helmet stable while you work.
    
    The system also features a Cool Guard sweatband to keep perspiration out of your eyes, as well as a built-in rain gutter to direct rain away from your face during inclement weather. Adjustable hearing protectors comfortably reduce noise while an epoxy-coated steel full-face screen helps protect from flying debris.
    
    Hard hat meets ANSI Z89.1-2003 Type 1 Class G. Hearing protectors meet ANSI S3.19-1974 and have a Noise Reduction Rating (NRR) of 24 dB(A).

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    Basic Hearing Protector

    When it has the STIHL name, it’s made to work as hard as you do. Our Hearing Protectors feature a padded stainless steel spring wire headband. They help maintain constant pressure, staying firmly in place while you work. They’re also easy to adjust, so you can set the ideal fit with minimal effort.
    
    Meets ANSI S3.19-1974 standard. Noise Reduction Rating (NRR) of 23 dB(A).
    Available color: Black/Grey

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    Outdoor PRO Gloves

    When you need professional-grade protection for your hands, STIHL Outdoor PRO Gloves deliver it all. High-quality synthetic leather offers comfort and durability. That durability is enhanced further by TPR (thermoplastic rubber) padded knuckle and finger areas. The gloves are lightweight and offer high dexterity. The material is also breathable for all-day comfort. They’re the PRO way to go.

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    Two-Tone Work Glasses

    They’re comfortable. They’re functional. They’re from STIHL. Featuring a hollowed-out frame, our Two-Tone Work Glasses are as lightweight as they are stylish. Designed with flexible rubber tips and nose pads, these glasses help you get the job done with greater comfort and fewer slips. Meeting ANSI standard Z87.1+ and offering 99% UV protection, the STIHL Two-Tone Work Glasses will have you covered in more ways than one.