Probably the best string trimmer you can buy.

I have used the WT3100 for four months now. I live in N.Alabama on a few acres so we have plenty of grass to cut most of the year. This unit is by far the best trimmer I have ever owned. Having wheels takes the load off one's back and those tall wheels have no problems with un-even lawns. I use .135 sting, the red kind with those sharp edges molded all the way around. To be honest, I can't of one thing I don't like about the WT3100. I might suggest to the engineers to put another thumb throttle on the other side of the handle bars so you can rest one hand at a time or switch hands easily to get into differcult spots. Be it as it may, I'd buy another at the drop of the hat. Wal-Mart seems to have the best price on these @150 dollars. Check it out.

Wheeled String Trimmer Is A Winner!

I own a Weedeater 3100 wheeled string trimmer with 16" cut and just love it!^M
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I live on a retired dairy farm where I keep much of the land unused but managed for wildlife. I also have quite a bit of lawn area to keep mowed & trimmed, as well as a Bluebird Trail and several fencelines and roadside frontage.^M
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I have found this string trimmer to be ideal for my needs. Its motor is a bit more powerful than on the smaller & wheel-less, shaft model string trimmers and the cutting string is heavier duty. The Amazon accessories list gives the wrong size for the replacement strings, however. The correct size is .115 diameter.^M
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It has a 2-cycle engine, so you will need to mix the oil & gasoline together. A small bottle of oil with fuel stabilizer is included, enough to make 1 gallon of gas + oil mix. Also, use only 2-cycle oil and NOT the 10x30 you might use in 4 cycle lawnmower engines and NOT the 10w30 oil you might use in your vehicle.^M
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The starting instructions are very clear and well marked on the engine. It uses a standard rope pull as found on other string trimmers. Also has a priming bulb for easier starting (removes air from fuel line and carbureator). The engine is marked for 3 Choke positions, Full, Half, and Off. There is an idler screw adjuster behind the air cleaner cover. The air cleaner should be cleaned & oiled after every 5 hours of use. You must remove 2 screws to remove the air cleaner cover. The air filter is washable in soap & water and must be oiled with 10-15 drops of oil before re-inserting the cleaned filter.^M
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My trimmer started right up just using the factory set adjustments and no further adjusting was needed. Mine started on the 3rd or 4th pull. As with other trimmers, the string spins when you squeeze the throttle trigger.^M
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The safety shields are very adequate yet not in the way. The handlebar is ergonomically shaped and has padded hand grips. I did feel the handle could have been longer and I am 5'5" tall, so others may find this even more of a problem for them. The cable neatly tucks into 2 metal snap-on cable guides. The throttle trigger is on the left side of the handlebar and works by squeezing it.^M
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My very favorite aspect of this wheeled string trimmer is that it uses 16" in length cut string and NOT a continuous, spool type string head that you must re-wind string on when needed. No more tangled string! HOORAY! This Model 3100 uses one 16" long string of .115 diameter that you VERY simply slide thru a "tunnel" on the bottom of the head, then pull to equal lengths on both sides, and tuck each end thru its hole. Couldn't be simpler or more intuitive. A package of 12 replacement cut strings costs around $3. Or you could buy a larger spool of .115 diamater string and cut your own individual 16" lengths. ^M
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On my first tryout I trimmed tough meadow grass, thorny wild raspberry bush whips, old dried Goldenrod, Burdock, roadside and ditch grasses, small Maple tree seedling whips, Red Osier Dogwood whips, young Staghorn Sumac whips, young Black Walnut whips. None of the above gave the trimmer any problems. In fact, I used just the one string to do all that cutting and did not have to replace it when finished!^M
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I was careful not to hit any wire fencelines or cement or bricks and that helped preserve the life of the cutting string, too.^M
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The rope pull is somewhat hard to pull (at least wyhen it is brand new) but it is nice having the rope pull mounted high on the handle, so you can start up without stooping.^M
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The trimmer is surprisingly lightweight and I can easily lift it. The 2 wheels are high enough to be effective in taller grasses and weeds and the traction on the wheels is deep enough to be useful.^M
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It pushes through the grass very easily. If you are on rough or uneven ground, you will have to be careful to not pull it behind you, such as when walking up hills, as it tips from side-to-side easier when pulling with just one hand (because of its light weight)^M
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There is a well constructed, metal cage over the engine to keep out debris.^M
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In conclusion, I am very glad I purchased this WeedEater 3100 wheeled string trimmer. No tools are needed to assemble it. All you need do is turn 2 plastic-handled bolts to connect the 2 handlebar sections and then snap-on 2 cable guides over the throttle wire.^M
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It works better than I expected and I much prefer the wheeled type string trimmer to the un-wheeled type. And I much prefer the single cut-length string over the spool string.