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  • GreenWorks 21142 10 Amp 18-Inch Corded Top Mount String Trimmer
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GreenWorks 21142 10 Amp 18-Inch Corded Top Mount String Trimmer

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Price: $79.99 & FREE Shipping. Details
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Ships from and sold by Amazon.com.
10 Amp, 18" Cutting Path
  • 10 Amp Electric Motor tackles the toughest weeds in the yard
  • 18-Inch cutting path to enhance performance and gets your job done quickly
  • .080 dual line bump-feed head provides quick on-demand line advancement to rip through weeds in your yard
  • Attachment capable design that can accept attachments from multiple brands such as Ryobi, Trimmer Plus, Yard works, and more*
  • Cushion and over-mold grip and handle for operator comfort with auxiliary handle for more control when trimming
7 new from $79.99 8 used from $71.27

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Frequently Bought Together

GreenWorks 21142 10 Amp 18-Inch Corded Top Mount String Trimmer + GreenWorks 29252 3-Pack Replacement Trimmer Single + Coleman Cable 02308 16/3 Vinyl Outdoor Extension Cord, Orange, 50-Feet
Price for all three: $108.42

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Customer Rating 3.9 out of 5 stars   (957) 4.0 out of 5 stars   (225) 4.1 out of 5 stars   (36) 3.8 out of 5 stars   (433)
Price $79.99$44.99$48.97$19.97
Shipping FREE Shipping$6.98FREE ShippingFREE Shipping
Sold By Amazon.comCPO OutletsAmazon.comAmazon.com
Power Source corded-electric corded-electric Corded-Electric corded-electric
Voltage 120 Volts 120 Volts 120.00 120.00
Weight 9.9 pounds 4.5 pounds 7.04 pounds 1 pounds
Size 10 Amp, 18" Cutting Path 46.8" L x 10.2" W x 5.1" H Information not provided 7.19" H x 17.75" W x 7.81" L
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Special Offers and Product Promotions

Size: 10 Amp, 18" Cutting Path
  • Buy Used and Save: Buy a Used "GreenWorks 21142 10 Amp 18-Inch Corded Top Mount S..." and save 10% off the $79.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Product Details

Size: 10 Amp, 18" Cutting Path
  • Product Dimensions: 13 x 31.5 x 5.1 inches ; 9.9 pounds
  • Shipping Weight: 13 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: Imported
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B008BY6ZEC
  • Item model number: 21142
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (957 customer reviews)
  • Amazon Best Sellers Rank: #1,296 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Size: 10 Amp, 18" Cutting Path

10-Amp, 18-inch, Straight Shaft Split Boom Electric String Trimmer which accepts most attachments sold on Amazon.com and elsewhere. Bump feed cutting head with 0.80 line.


Customer Questions & Answers

Customer Reviews

It is very light weight and easy to use.
Amazon Customer
Second, the line/string mechanism is constantly fouling, requiring rewinding or manual advancing of the line feed.
Christopher C. Basoco
I was looking for a good electric weed trimmer because I hate the hassle of a gas one.
bugalou

Most Helpful Customer Reviews

446 of 455 people found the following review helpful By Prof. Docwell on July 16, 2010
Size Name: 4 Amp, 13" Cutting Path Verified Purchase
I hate to buy products that have not been reviewed by other Amazonians, which I have come to rely on when making purchases, but I took the risk this time - and I am glad I did and I am happy to write a review.

I replaced a 15 inch Weedeater with the 13 inch Greenworks trimmer. I got about 60 uses out of the Weedeather before it ceased to function. It was too large and too heavy and bulky for my yard where I have a lot of fences and landscaping rocks to trim around. The fact that the trimmer has TWO trim lines is also very important because the string lasts longer and the two lines cut about twice as fast.

The Weedeater's string advance system never worked well - had to turn the unit over and pull out the string by hand. BUT THE GREENWORKS TRIMMER LINE ADVANCE ACTUALLY WORKS!!! Just release the ON trigger for two seconds and it advances automatically (you will hear it click). I wear the the strings down really fast trimming around rocks, so I have to click it off and on several times to get the string out to full length, but that takes about 5 seconds. I think the unit will not use (waste) as much string as the Weedeater. The 4 amp motor has sufficient power for fast trimming.

The unit was double boxed for shipping. It has an adjustable length handle, which is still a bit short for someone who is 6'4", but it works well. It was very easy to assemble - about 10 minutes. I would estimate it cut my trim time from 1.5 hours to about 45 minutes.

It would be great if Amazon also carried the refill spools of line.
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252 of 259 people found the following review helpful By Piano Lady on April 28, 2011
Size Name: 4 Amp, 13" Cutting Path Verified Purchase
I have used a lot of different electric weedeaters over the years and just have to say that this little Greenworks is the best of all of them. I am a 60-year-old woman so weight is an issue and the Greenworks is extremely light and easy to hold. Also like the on switch, which is a couple of inches long instead of just being big enough to hold with one finger. There is very little vibration compared to others I have used, so your hand and arm aren't tingling for the next few hours. The telescoping handle is a great feature so you can really adjust the height to match your own. You know how with most weedeaters you can spend more time with trying to keep the string untangled or getting cut off or changing string than you do actually working. I can use this weedeater for hours and never have to stop once for any type of maintenance and there will still be string left. The double string is very durable and does one heck of a job on even tall weeds. The extension cord can be attached so it doesn't come off, which is a nice feature. I have over an acre of almost solid weeds to deal with so am truly appreciative of this great little machine. Makes my life a whole lot easier. I highly recommend the Greenworks Electric String Trimmer/Edger, worth every penny.
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175 of 185 people found the following review helpful By P. Brooks on August 1, 2012
Size Name: 10 Amp, 18" Cutting Path Verified Purchase
Length: 2:53 Mins
I've had both gas and electric trimmers that worked as you might expect, with the electric trimmers being to weak to do a good job and the gas being hard to start, way loud and a general pain to maintain and keep running for more than one season. My Ryobi was doing the "runs for a couple of seconds and then quits" until I gave in and cleaned the carb and gas lines. It works ok now but is still super hard to start. This Greenworks 21142 (not 41102) seems to have the right stuff as a solution to a medium sized yard trimmer. Out of the box, I stripped the wing nut that holds the round shaft handle while UN-screwing it, what's up with that. No big deal really,just put a nut on it and it's fine. All metal shaft connector for the trimmer head, no plastic thread issue. Still says incorrect "OFF" direction on the spool head but comes off easily when turned the other way. I did some test trimming and this unit really seems to have a lot of power. Its one speed (fast) and you really need to have long pants and glasses on. I will use for a while and do a follow up. The attachment connection point is different than the one pictured and requires a lot of pressure to engage but it does fit. This feels like a big step up from your usual electric trimmer. Your probably going to want to use a 12/3 (heavy duty) power cord if your using a 100 ft. extension to lower the resistance and heat from the 10 amp motor. The down side of that is that the cord can cost almost as much as the trimmer.

*****Update 09/22/2012 *****

Having used the trimmer for a while, I stand by my comments about its power(It Rips)and ease of use. It "taps" out string well and the original string had lasted up to my last use. I got a shoulder strap which makes it much easier to hold for long periods.
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240 of 256 people found the following review helpful By Neofactor on April 30, 2011
Size Name: 4 Amp, 13" Cutting Path Verified Purchase
I want to love this but 1st impressions are this:
I am biased coming from a gas trimmer that has attachments for blower and edger.

1) It starts right away and just keeps working till you turn it off. Power is less than my gas trimmer but worth it to just have an instant on.

2) The shaft is short. It adjusts but from super small to short. I am 6'1" and wish it extended some more. I read the other review of the taller guy who said it was fine... perhaps I will get use to it... but 1st impression.. it is short!

3) I could not figure out the auto line advancement. I ended up manually advancing it with the button on the bottom of the spool. I have read releasing the button and starting again advances the line.. but it occasionally seems to not work and I manually push the button on the bottom.

4) No extra line. I am going to go ahead and order more line right now.... not a new spool since that is $16 for a back of 3 (Greenworks 29242 3-Pack Replacement Trimmer Line Spool for 21052 and 21212). These spools are out of stock anyways! FYI: The line has to be 0.65in diameter. I will order this for $7: Weed Eater 952701594 0.065-Inch-by-200-Foot Bulk Round String Trimmer Line
FYI - The spool is 2 lines... not the single line spool for different models.

5) Edging: Rotating the unit to edge with the guard extended is odd. I need to be on the opposite side of where I normally edge. I need to be on the grass facing the curb. That is the only way to handle it to cut along the concrete edge... the guide is not designed to rest on the concrete either.. to run along... you have to drag the guard into a channel you create with the line.

6) The Cord: The balance between instant power vs freedom is a fine line.
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