The ms880 is at least 2 seconds behind the 3120xp in any given cut. The lowest recommended octane grade for the Husqvarna is 87 and Stihl recommends 89 octane because gas below these ratings will increase engine temperatures. This new truck hitch design will save you tons of time and headaches. Fuel injection works under high pressure and is controlled by a computer. Chainsaw Parts; A violent kickback, when the bar tip is farthest away from you, will activate the brake. Big saw for big bars or milling. Some fuel additives have a detrimental effect on elastomers like fuel lines, carburetor diaphragms, oil seals, magnesium castings and catalytic converters. It results in a narrower body, and better balanced saw that feels more maneuverable and nimble. The Husqvarna 31220XP uses springs to isolate vibrations. The drum, sprocket, and chain are on the outside, over the clutch, protecting the clutch mechanism. Even though steel springs may make a large saw feel floppy, they are better. Made in Sweden 119cc's chainsaw. They used a forward facing screw next to the bar. Com: Macar: I’ve been improving these for almost 30 years and Stihl just wants to show off as much as Hq., But unfortunately it can’t.325 years of industry experience, material knowledge is the opposite .... Com: Todd: Excellent Video!!! When I grew up, it was Ford vs. Chevy, Apple vs. Microsoft, or IBM vs. Honeywell. The two chainsaws are the largest from each brand. We take a close look at every spec to help you determine which one of these professional chainsaws are right for you. World Amazing Modern Machines Cleaning Street Equipment Technology - Street Sweeper Machine, Amazing Dangerous Biggest Crane Truck & Heavy Equipment Construction Machines Fastest Working, Heavy Duty Face Lathe Machine to Process Rotor Shaft or axle/120T load. The chain stretches as a result, and may come off the bar. 121.6cc, 8.6 hp, 17″ to 59″ bar and chain, Powerhead = 22.3 lbs. Excellent Video!!! It temporarily reduces compression in the combustion chamber during startup. Husqvarna uses this method on a few saws. The air-injection patent has since expired and some of the newer Stihl saws now also use it. It uses centrifugal force to accelerate larger particles in the air to the outside and away from the flywheel. The user experiences a softer pull and finds it more comfortable to accelerate the engine with the cord. Surprisingly so, keeping in mind that the Husqvarna has a smaller engine than the Stihl and both manufacturers strive to optimize weight reduction. Precision balanced with excellent handling and reliability, this chainsaw will take up to a 59-inch guide bar— for the most demanding cutting jobs. However, in the specification sheet and manual, Husqvarna indicates the oiler delivers between 30 and 54 ml/minute bar-oil. VIDEO | Husqvarna X-Torq Engine : See How it Works. So deciding on Bosch vs DeWalt Stihl chains are highly regarded for the built-in grooves that help move oil and lubricate the chain and bar. Inertia in the kickback direction activates the chain brake, even without contacting the front hand guard. The question : … Read More, What's the Best lawn mower for a small yard? It could create running problems or damage the engine. Both systems make a huge difference in the usability of the chainsaw. As a safety feature, the clutch disengages when the chain brake stops the drum during a kickback situation. This saw is designed to pull the chain on our longest bars-- up to six feet! All. Torque also increases to a maximum and then decreases, but the two will not peak at the same RPM.