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Hyundai Lawnmower 400mm 79cc

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Product overview

Knock your backyard into shape with this awesome value no-fuss mower from Hyundai.

The 400mm cutting width is ideal for small to medium sized lawns while the cutting height is adjustable between 25mm to 75mm - so whether you want it short for backyard cricket, or a bit longer for a more natural look, you can get your lawn just how you like it.

A 30L grass catcher makes cleaning up easy, while the light weight and folding handle make it simple to maneuver and store.

The 4-stroke 79cc delivers 2kW of power and impressive economy, so it will make short work of your overgrown lawns. Order yours today.

• 400mm cutting width
• Rust free polypropylene deck construction
• 30L rear grass collection bag
• Individual wheel height adjustment, 3 steps 25 – 75mm
• Easy-start 79cc engine
• Handle mount pull start - save your back!
• Lightweight (19kg) for easy maneuvering
• Folding handle for easy storage
• OPC lever for safety
• 3 Year Hyundai Warranty

Model: HYM400P
Engine: 79cc single cylinder 4 stroke, air-cooled engine
Power: 1.6kW @ 2900rpm
Sound: LWA = 96 dB(A)
Wheel size front/rear: 150/150mm, plastic wheel
Weight Net/Gross: 19kg/20kg
Assembled dimensions: H 132cm x W 49cm x L 101cm
Packaged dimensions: 67cm x 51cm x 37.5cm

View user manual

View product video


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Questions and answers

0 votes
What oil does it need because it isn't showing up on frequently purchased
The manual recommends SAE 15W-40 oil
By Trade Tested on April 29 2024
13 votes
Is 4 stroke just normal petrol?
Yes that's correct.
By Trade Tested on October 15 2019
-1 votes
How much oil does this need to fill when new?
The oil reservoir has a total capacity of 250ml.
By Trade Tested on December 28 2023
3 votes
Is it petrol or stroke please
This is 4-stroke petrol.
By Trade Tested on May 11 2020
0 votes
How readily are parts available for this mower?
We provide post-sale support and parts purchasing for any products which we have sold
By Trade Tested on September 18 2023
2 votes
What happens with this lawnmower if you don’t wish to use the catcher? Does the rear cover remain slightly ajar so the lawnmower doesn’t clog with clippings... or does this model only realistically work with the catcher? Many thanks.
Yes there's a gap at the bottom when closed.
By Trade Tested on May 20 2020
2 votes
Is it serviced and ready to go does it need oil etc?
You need to add oil and fuel. Just add the oil shown in Frequently Bought Together and you'll be halfway there!
By Trade Tested on May 04 2020
-1 votes
What assembly does it require once received from courier?
Simply assemble and attach the handle and the catcher and you are good to start mowing!
By Trade Tested on April 11 2023
0 votes
Is it a single blade or two
It is one single long blade
By Trade Tested on March 22 2023
0 votes
Can I use Regular 91 petrol?
Yes you can.
By Trade Tested on March 19 2023
See more questions and answers (10)

Overall rating

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All reviews (153)

Read reviews that mention

  • little mower
  • small lawn
  • light mower
  • medium lawn
  • plastic body
  • start every time
  • catcher
  • great lawnmower
  • well start
  • lawn so
Lightweight and Easy to Operate

This lawnmower is perfect for my small, flat section. It is very light weight and easy to operate. It starts on the first pull every time and was simple to put together. I’d highly recommend it for women who want to tackle their own lawns due to the ease of use.

Sue Northland
Hyundai Lawnmower 400mm 79cc

This mower is a very good mower BUT I would recommend it for the seniors because you have to go slow to be able for it to cut the grass properly, it really does not work how you would it want too if you walk fast. Recommend it for a very very very I mean very small section. If you want to purchase this mower go for one with over 100cc that would be my recommendation and the catcher get a plastic instead of the bag.

Fist time Byer Auckland
No, I do not recommend this product.
Great little mower

Don't have a terribly large lawn, but still takes ~20m to mow. So was looking for something not too expensive. My father said this was too small but honestly it does the job well, sure there's bigger, faster mowers available, but this rips around my yard and leaves a nicely trimmed lawn, have 0 regrets and would recommend this easily to anyone who has a small yard they need to mow.

Phill Wellington
Absolutely brilliant

I have about half an acre of flat land and this mower is brilliant it's light, easy to maneuver and very economical on fuel. I highly recommend it

Heyma Taranaki
Hyundai Lawnmower 400mm 79cc

Was a little unsure about buying a cheap mower but so far seems to be handling my small lawn. Starts first time every time and gets the job done

wini Gisborne
Hyundai Lawnmower 400mm 79cc

The mower itself meets our expectations.

Chris Rotorua
Good little mower

The mower runs well, starts easy and does the job. Light on fuel and light enough to move. The safety throttle is taking some getting use to but honestly it's probably a good safety feature especially with little kiddies running around. If you left your lawn way to long then it does sometimes struggle a little but it's performed better than I expected so far.

Hein Waikato
Instruction booklet useless

I needed a small cheap lawnmower and this fitted the bill. The instruction manual on assembling is useless, I found a you tube video of a man in a mowed field who was reviewing the lawnmower, excellent video on unpacking, assembling and starting. He then used it and was very impressed for the price. I did my first cut today and was equally impressed. The petrol bulb needed about 15 pumps to get the new petrol into the cylinder but I expect it will only need a few in future. The 600ml four stroke oil needed about 300 ml to fill up but check the dip stick to not overfill. After some comments on reviews I started with the height setting at its lowest and scalped the grass so went to the 3rd height slot, on rougher grass I even went to the last setting and still got a good cut on an embankment. OK I only have small lawn but so far I think this lawnmower is great, 1 star off for a hopeless instruction manual.

Roger Auckland
Very good

Better than expected. Easy to assemble and easy to maintain.

Klear Auckland
My new mower

This is a great little mower, perfect for a good size city lawn. I only trouble I had was the assembly instructions didn’t include decent pictures for every step. I had to go back into the website to see the pictures to see how the pulling handle holder fitted to it. Apart from that it’s a great machine starts every time

Reuben Auckland