String trimmer weight question

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What is weight difference between carbon and metal shaft 15" string trimmers? EGO "specs" leave out weights. Amazon and Home Depot confuse product and shipping weights.
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Posted 2 years ago

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Lehigh Lawn Pros

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Hi Randy,
I think I remember someone posting that the carbon-fiber model was actually slightly heavier,
probably due to the addition of the "powerload" feature.

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Blue Angel, Champion

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I concur, this is very likely the case however I doubt the difference is much to worry about.
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I had this question recently myself as I was attempting to decide between the tool-only versions of the Rapid Reload String Trimmer w/metal shaft (Model #ST1500F) and the Power Load String Trimmer w/carbon fiber shaft (Model #ST1520).

Per the Operator's Manuals which can be downloaded from the product page for each item on Home Depot's website via the above links, weights sans battery packs are as follows:

  • ST1500F Rapid Reload String Trimmer w/metal shaft — 7.33 lb.
  • ST1520 Power Load String Trimmer w/carbon fiber shaft — 7.28 lb.
It appears the weights are nearly identical, with the carbon fiber shafted ST1520 weighing in at only .05 lb. lighter than the metal shafted ST1500F.

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Oregon Mike, Champion

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Official Response
My carbon fiber trimmer weighs about an ounce or 2 heavier than my original 15" string trimmer that doesn't have rapid reload or any other extra features. Both were weighed without battery installed.
The carbon fiber trimmer *feels* lighter and I think it's because the carbon fiber doesn't seem to transmit as much vibration along the shaft as the aluminum shaft does. That's my feeling, not sure if it's correct.