If you're shredding weeds on a daily basis, you may benefit from investing in a commercial grade trimmer.
These trimmers are designed to last through the toughest conditions. They're quality made and feature powerful engines with more durable quality components.
Commercial landscapers prefer these trimmers because they're rugged and easy to service.
Features Commercial grade string trimmers are made to be used for 8 hours a day, every day. Their bevel gears and transmissions are made of higher quality components.
They have powerful engines and most commonly come with straight shafts for more versatile use by professionals.
Another great advantage of owning a commercial-grade gas string trimmer is that they're more easily serviceable. Commercial grade trimmers offer easy access to the air filter among other commonly serviced components.
2-Cycle You've likely seen or even used a 2-cycle engine at some point. They require that you mix the gas and oil together in a gas can and pour the mixture into one tank. This requires a little more know-how, and it can be less efficient than a 4-cycle engine.
The benefit with a 2-cycle engine is that they can pack a lot of power into a smaller, lighter-weight engine. Being lighter weight with lots of power means they're more ideal for powering a hand held gas string trimmer. However, the lighter weight and added power makes it less fuel efficient than a 4-cycle engine.
For better efficiency, and to prolong the life of your trimmer, use pre-blended 2-cycle fuel. This fuel may cost slightly more than mixing it yourself, but you're sure to have the right ratio of fuel to oil. It takes the guess work out of refueling, it also contains no ethanol or minerals found in fuel purchased at the local gas station. It will stay burnable for up to 2 years in the fuel tank, and up to 4 years in the can. It also doesn't leave behind any deposits, so there's less concern about damage to your carburetor.
Handheld string trimmers with 4-cycle engines function similar to the engine in your car. You fill the fuel tank with gas, and you pour the oil into the crankcase. Also, like a vehicle engine, they're more fuel efficient than their 2-cycle counterpart. This means you don't have to stop for gas as often when using a 4-cycle string trimmer.
Another major benefit of using a 4-cycle engine is that it has the ability to produce more overall power, however they tend to have larger engines, which may be less than desirable assuming you don't like carrying the added weight.
Ease of Serviceability
Commercial users know that serviceability is a very important factor when it comes to finding the perfect string trimmer. The amount of use and abuse your string trimmer takes, being used for 40+ hours per week, means it's inevitable that you'll have to service it at some point.
Commercial landscapers don't have time to take their string trimmers to a shop and wait for repairs. They need to fix it and get back on the job. Commercial gas units are much easier to service, with features like stand alone starters that make it easy to change the starter cord, or an arbor lock button that makes changing heads quick and easy.
Curved-Shaft String Trimmers are ergonomic and easier to use with less fatigue for flower bed trimming and simpler tasks. Because the head of the trimmer is curved inward, you do not have as much flexibility to trim in hard-to-reach corners and crevices.
Straight-Shaft String Trimmers are the tool of choice for landscaping pros because they have plenty of power and torque to rip through thick grass and brush. This is the tool for trimming under fences and other tight places.