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Greenworks Line Trimmer G-MAX 40V Li-Ion Skin

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Product overview

Powered by innovation, not by petrol.

Note: This tool does not include a battery or charger, these must be purchased separately.

This G-MAX 40V Li-Ion line trimmer delivers all the power you need to get your garden looking pristine without the hassle of petrol or extension cords. You’ll have your backyard looking sweet in no time.

This trimmer even has a variable speed option for maximized power to tackle the toughest weeds in your garden.

Staying comfortable while you work means you get more done and Greenworks have this nailed, with soft-grip cushioned rear and forward handles plus a cushioned forearm rest built in.

A safety lock-off switch prevents accidental starts and the very low weight of the machine, less than half that of an equivalent petrol machine, means handling of this well-balanced trimmer is easy, comfortable and convenient.

About Greenworks The future is here and it's electric. Once you’ve experienced the power, convenience and economy of a 40V garden tool there will be no going back. The G-MAX 40V Li-Ion range from Greenworks is already a best-seller in the US and Europe, now it’s ready to revolutionise the way Kiwi’s take care of their backyard.

Greenworks tools are clean, green, quiet and maintenance free, with no compromises – experience the future today.

• High performance G-MAX 40V Lithium-Ion battery system gives fade-free power with no memory loss (battery and charger sold separately)
• 40cm cutting path for quick and easy trimming
• Adjustable front handle
• Variable trimming speed
• Strong dual nylon line for trimming
• Automatic line feed
• One Greenworks G-MAX 40V battery powers all Greenworks 40V tools (battery and charger sold separately)
• 4 Year Greenworks Tool Warranty

Product code: 2101507
Model: G40LT
Voltage: 40V
Motor: Brushed
Cutting width: 40cm
Max. speed: 7000 rpm
Line diameter: 1.65 mm
Line feeding system: Automatic
Weight w/o battery: 4.2kg

View user manual


Can we help?

Our friendly and knowledgeable gurus are trained to answer all your questions as quickly as possible. So if there’s anything you need to know just give us a call during business hours, or send us an email any time.

0800 800 880

Questions and answers

1 vote
Can you use line bought separately and wind it on yourself?
You can, it is compatible with any nylon trimmer line upto the diameter of 1.65mm
By Trade Tested on March 02 2023
3 votes
Does the head turn sideways for vertical cutting or edging?
The head is fixed on this.
By Trade Tested on February 07 2019
1 vote
Are the nylon line cartridges easy to replace .
Yes these are very easy to replace.
By Trade Tested on April 05 2022
0 votes
The head is fixed, but can the buttons still be comfortably operated when it is flipped over so it cuts in the vertical plane ?
Yes they can. The auxiliary handle on the middle of the shaft has been ergonomically designed to make this easy and efficient.
By Trade Tested on March 02 2023
-1 votes
Can the trimmer head accommodate bigger strings (e.g. 2.4-3mm)?
This unit is only designated to work with 1.65mm diameter line.
By Trade Tested on January 12 2022
0 votes
Does the battery from the pole saw fit this please cheers
As long as the pole saw is 40V then yes.
By Trade Tested on December 07 2021
0 votes
Will this take the heavy duty trimmer head?
No this does not have the left-hand threaded nut attachment method to allow this.
By Trade Tested on November 09 2020
0 votes
Can the line spool be refilled at home as opposed to replacing the whole thing?
Yes you could.
By Trade Tested on August 19 2020
0 votes
Can brush cutting blades be fitted to this model?
No this is only designed to use line.
By Trade Tested on May 27 2020
0 votes
Would this cut through docks?
Yes this will be fine.
By Trade Tested on January 27 2020
See more questions and answers (2)

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All reviews (271)

Read reviews that mention

  • excellent line trimmer
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  • 2ah
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  • auto feed
Excellent product

Easy to use does a great job, have had absolutely no issues with it.

Eileen Waikato

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit

No spool caps

I like this trimmer but have had a hard time replacing the spool caps. The old ones sore quickly, and although the new ones are more robust they will wear out. Non-branded ones on the internet don’t fit…. so while the trimmer is great, i kinda regret the purchase. Happy to be corrected!

GG Wellington
No, I do not recommend this product.

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit


I bought this to replace an old 2 stroke trimmer. The skin feels well balanced and I had no problem using it ambidextrously. Plenty of power, the thick weeds stood no chance. The 2Ah battery lasts long enough to do my medium section, but if it were to run flat it charges pretty quick! Best of all there is no 2 stroke shaking you to bits. I will be expanding my Greenworks collection when the time comes.

Aidan Tauranga

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit

Very happy with performance and ease of use

nicely balance

Jonathan Wellington
Surprisingly good!

I initially assumed the power of the cutter wouldn't be that great given it's battery operated. But to my surprise, it actually trims the grass quite competently. And it's quite easy to use, not too heavy. Highly recommended especially if you have other Greenworks equipment (I have the lawnmower and telescopic hedge trimmer). Very good system overall.

Jin Auckland

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit

Line Trimmer G-MAX

I got this for Christmas, I love it. Light weight and very easy to use

Jude Bay of Plenty
Very satisfied

Great machine. Love that I don’t have to bump the cord feeder or manually pull it out. My only wee complaint is that it is heavy after a while and I ended up with a sore forearm. It needs a shoulder strap.

Chizzy Hawke's Bay

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit


Great bit of kit with plenty of power.

Jared Auckland

Really good piece of kit, plenty of power.

Jared Auckland
Does the job

This is not my first battery line trimmer, I had a worx one in the UK and absolutely loved it. This one was at the right price point and does the job well. Saying that I have 2 gripes with it. No auto feed. Seriously? I thought this was standard on all line trimmers! The balance is a bit off so makes using it tiresome especially if you put a bigger and more weighty battery in. I believe my worx one was about 30cm longer so the pivot point was higher and making it more comfortable to use. Gripes aside it’s still a great bit of kit for the money and I don’t miss all the noise and fumes from petrol too.

Stephen Wellington

Shared from: Greenworks Line Trimmer G-MAX 40V Li-Ion 2.0Ah Kit