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GreenWorks Chainsaw G-MAX 40V Li-Ion with 12" Bar

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Upgrade your garden power tool arsenal with this awesome 40V 12” chainsaw from GreenWorks.

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Product overview

Product overview

Upgrade your garden power tool arsenal with this awesome 40V 12” chainsaw from GreenWorks.

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

Forget about mixing fuel, pull starts, making a racket and harming the environment, with the 40V G-MAX range from GreenWorks, that’s all in the past. Just juice up the battery, hit the button and you’re on task immediately.

The lightweight, ergonomic design means a well-balanced tool for superior cutting, making this saw is a great choice for pruning, while the over-mold grip handle and wrap-around handle ensure comfort, with safety taken care of by the large hand guard, chain brake and dual-switches, which guard against accidental activation.

An LED battery level indicator light makes it easier for operator to determine battery life, and the translucent oil tank offers clear view of oil reserve to ensure the 12” bar and Oregon chain are kept lubricated for sharp cutting. Tool-less chain tensioning makes for quick and easy adjustments.

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)
• Lightweight, ergonomic design
• Robust 12'' steel bar and chain with tool-less chain tensioning
• 10mm (3/8'') chain pitch delivers the right amount of capabilities to get those limbs trimmed and cut with minimal kickback
• Automatic oiler applies oil to bar and chain when needed to ensure durability and optimal use
• Translucent oil tank for clear view of oil level
• 2 Year GreenWorks Tool Warranty

Product code: 20117
Model: G40CS30
Size: 30 cm
Voltage: 40V
Motor: Brushed
Sound power level: 96 dB(A), +/- 3 dB(A)
Vibration level: <2.5 m/s2
Chain speed: 4.3 m/s
Chain gauge: 0.05 mm
Chain pitch: 3/8"
Oil tank volume : 120ml
Oiling system: Automatic
Chain brake: Electric
Weight w/o battery: 2.74kg\


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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
Customer reviews

Customer reviews

Overall rating

4.7 out of 5 stars from 26 reviews
Magnolia Butcher Blenheim

40V 12" battery chainsaw

about 1 month ago


Early days yet but it appears to be the perfect suburban chainsaw - keep the battery charged, the oil tank full and it's ready to go at the pull of the trigger. Cut through a 10 inch Magnolia branch without drama. Battery (2.0Ah) life seems adequate for most jobs around the section.

Muzandys Otago

GreenWorks Chainsaw G-MAX 40V Li-Ion 12"

4 months ago


Only used once so far cutting dry blue gum up to 100mm, Used 4ah batt and was good for 2 & 1/2 hrs, Great little saw for small jobs.

Rocks Marlborough

Does what it says

6 months ago


An outstanding powerful little chainsaw, did all the work that I had planned so far with the additional blessings of no petrol and no cables to cut through!I did manage to hit a piece of metal which threw the chain, but was easily repaired using instruction sheet.

Rick Rangiora


6 months ago


A great

Turnwald Waipukurau

greenworks chainsaw

6 months ago


this chainsaw is great idea but i think the chain is very wrong, way too jumpy not smooth the joins between teeth are way to high, stopping smooth running

Anthony West Coast

comes in handy..

6 months ago


Great wee chainsaw could do with a bit more grunt... but comes in handy no smelly fuel and mess.

Jeff Kumeu Auckland

Greenworks chainsaw G-MAX 40 v Li-ion 12"

6 months ago


Quite a handy little saw. Not quiet, definitely need ear muffs. oil tank is impossible to see through unless you put in dark colored oil. Cuts well, charges quickly, reasonably powerful but does tend to kick a bit on smaller branches. As good as can be expected for the price .

Bosshog Wellington

greenworks chainsaw

7 months ago


great machine purchased for my wife to use,i have just recently had shoulder operation,she is rapped with it no noise,light to use 10 out of 10

Haggis Northland

Greenworks Chainsaw

8 months ago


Great little saw for the garden. Light and easy to use.No cords or fuel to worry about.

Greenlass Auckland

Cordless Chainsaw

8 months ago


Nice little saw. Lightweight & very handy when not near power source. No electric cables or petrol to worry about. Plenty of power for it's size.

Sam Otago

Great Little Saw

8 months ago


When I first tried this chainsaw it was very jumpy on branches which I found very unsettling. We ended up taking to our local chainsaw shop & replaced the chain which has definitely fixed the problem. The original chain teeth are very spaced apart which contributed to the jumping. Works great now 1 star off for chain.

Steve G Rotorua

This is not a toy.

9 months ago


30 minutes to charge/recharge. Cuts 2 barrow loads of logs up to 150mm thick on a single charge. Light and easy to use and very quiet. Great tool.

Brownie Taranaki

Greenworks G-Max 40V Chainsaw

9 months ago


I bought my battery chainsaw to cut firewood to size on the odd piece I may have miscalculated on in the field, not wanting to fire up the noisy petrol in town. It does a great job, has handled everything I've thrown at it, the battery lasts well and charges quickly.

Mike W Tauranga

Electric cordless chainsaw

9 months ago


an excellent unit , light yet powerful enough for me . Excellent for clearing scrub and "stump - stick " , also great for firewood

Red Manawatu

chainsaw GMax 40V 12" bar

9 months ago


A very serious and versatile chainsaw, my old petrol and 240v chainsaws have been made redundant, the GMax is so light and handy for overhead positions and general carting around the farm.Can not believe how long it runs on a full charge battery.

Rolf Northland

Greenworks Chainsaw

9 months ago


Really good product, and good value for money. Strong, reliable, battery charging quickly, easy to handle and just the right size and power for the home garden and quarter acre section. I am enjoying this tool.

Chopper Northland

Small but powerfull

10 months ago


Last storm in Northland blow down a mature manuka tree at the property. Used this electric chainsaw to chop the many braches this tree had. Up to 20 cm thickness were cut with ease. This tool is light and powerful, battery lasted until whole job was done, highly recommend.

Cb Waikato

great little chainsaw

10 months ago


perfect for the job i got it for.. cutting up pallets and other bits of wood for the fireplace..

Hamish Northland

Battery Chainsaw

10 months ago


I’ve been using this battery chainsaw for a few weeks now and I’m impressed with it. Very convenient for my many small jobs around my bush clad and steep section. Keeps me going with firewood also.

Stumpgrinder Hawke%27s Bay

Greenworks Chainsaw

11 months ago


Goes quite well for a small saw, nice and quite and no fumes.. very convenient for those smaller branches and smaller jobs that dont require a bigger saw.

Bronwyn West Coast

Mother's little helper

11 months ago


Brilliant. I'm trimming tree branches and cutting up firewood with ease. The battery lasts longer than my jobs require. A great investment!

Little digger Northland

Great Machine

11 months ago


Absolutely fantastic, strong enough to attack 15" diameter trees, safe enough that my 8 years can use it (under supervision), and light. Word of advice take a couple of 4Ah battery for the big jobs. worth your money

Taffy horowhenua

chain saw

11 months ago


love it can still handle this even in my 80s could no longer use my other saw

Bri Titirangi

Good Little Saw!

about 1 year ago


I admit I had some doubts about choosing this model thinking it would be too much like a toy. That was before it arrived and I used it. It's excellent. A decent power for around the home. Quiet too.

Buckaroo Wellington

12'' Greenworks chainsaw

about 1 year ago


Hi guys,after being impressed with the 12’’ Greenworks little chainsaw I ordered the 16’’ one plus the polesaw and hedge trimmer . The work that 12’’ has done is most impressive as the photos show,Thanks guys. Regards Graham Turner ,Kapiti

Buckaroo Wellington

Greenworks 40v 12'' chainsaw

about 1 year ago


This little Battery powered chainsaw has worked a treat when cutting down Scrub, no motor running as I pull away the scrub to swab the stumps, no petrol spills if it up turns, and no fumes to suck up, Great tool. GrahamT

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