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Hyundai Lawnmower 400mm 79cc

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

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Product overview

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 35mm to 70mm - 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 35 – 70mm
• 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
• 2 Year Hyundai Warranty

Model: HYM400P
Engine: 79cc single cylinder 4 stroke, air-cooled engine
Power: 2kW @ 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: 108cm x 48cm x 100cm

View user manual

View product video


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Customer questions

Questions and answers

3 votes
q: 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.
a: Yes there's a gap at the bottom when closed.
By Trade Tested on May 20, 2020
4 votes
q: Is 4 stroke just normal petrol?
a: Yes that's correct.
By Trade Tested on October 15, 2019
2 votes
q: How long is the manufacturer warranty and is there an extended warranty available?
a: This has a 2 year warranty, no that's not an available option.
By Trade Tested on January 21, 2020
0 votes
q: Do you have to use the oil advertised?
a: Anything comparable to this will be fine.
By Trade Tested on August 19, 2020
1 vote
q: comes with the plastic catcher or fabric?
a: I's fabric.
By Trade Tested on May 15, 2020
1 vote
q: Is it petrol or stroke please
a: This is 4-stroke petrol.
By Trade Tested on May 11, 2020
1 vote
q: Is it serviced and ready to go does it need oil etc?
a: 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 4, 2020
1 vote
q: Do u pull cord to start or just push a start button thanks
a: This is pull start.
By Trade Tested on March 30, 2020
1 vote
q: Is this self propelled ?
a: No it isn't.
By Trade Tested on December 22, 2019
0 votes
q: What is the thin metal frame handle in front of the main handle? On my Ryobi version it's to engage the self propelling function.
a: This is the OPC safety lever, if released it stops the mower automatically.
By Trade Tested on June 9, 2020
1 vote
q: Can it emulchify the clippings?
a: No this model doesn't have a mulching function.
By Trade Tested on December 10, 2019
0 votes
q: Is this ready to use once it has petrol in it or do I need to put oil in it?
a: Yes you need to add oil.
By Trade Tested on May 11, 2020
1 vote
q: hi, what bearing arrangement are the wheels? ie.,sealed bearings in metal casing. regards--Ian
a: This model has a sleeve wheel bearing.
By Trade Tested on September 26, 2019
Customer reviews

Customer reviews

Overall rating

4 out of 5 stars from 31 reviews
Lawnspec Hawkes Bay

Quality Gear

8 days ago


I Use Hyundai equipment commercially on a daily basis and I pair this machine with its larger brother the 196cc model, its used mainly on smaller lawns and it is just another case of Hyundai's reliability and performance, brilliant little machine.

Zamyra Hawkes Bay

Good little mower

12 days ago


Good for small section of lawn and started easy first time. Only issue I had when setting up the mower was that the instructions suck. It's not obvious what part goes where as it's not detailed in the book clear enough and there's a piece that I still don't know where to put because it's not in the instruction book! Very frustrating to assemble but good to use.

Spaz Kapiti

Small and simple

13 days ago


Does a credible job of cutting the lawn If you have a larger or uneven lawn, get something more powerful It's light so easy to move around ideal for weaker challenged people Lack of a throttle is odd and starting a bit hit and miss. In conclusion you get what you pay for. _ it is cheap

Bro Auckland


26 days ago


Good little mower that gets the job done very well

Janice Hastings

Hyundai Lawnmower 400mm 79cc

27 days ago


Great little mower, easy start & very easy to maneuver around.

Ernie Auckland

Lawn mower

27 days ago


It's great. Small neat to store and does the job well.

Tj Auckland

Not good

about 1 month ago


Not powerful enough and blades aren't that sharp

Reply from Trade Tested

This unit had a fault and we have repaired the product.
Steve Taranaki

Hyundai Lawnmower 400mm 79cc

3 months ago


I found this mower is perfect for the small cared for lawn. So easy to use maintain lawn and not that noisy when using. Highly Recommended

Andy Tauranga

A great price

3 months ago


Good easy to assemble, starts really well, light and able to maneuver easily, good value for money.

Tj Auckland

Awesome product

3 months ago


Very light, does the job for my small lawn

Brack Auckland

Hyundai Lawnmower 400mm 79cc

3 months ago


Great little Lawnmower.

JU1988 Auckland

Lawn Mower

4 months ago


Mows the lawn, not by itself it needs to be pushed. Would recommend to someone that needs to mow a law.

Ray Stanmore bay

User friendly

6 months ago


Easy to put together and light to use. Great for small yards too.

Hera Kawerau

Hyundai Lawn mower 400mm 79cc

7 months ago


This lawn mower is great, it light an so easy to push..

Shy Waikato


7 months ago


Goodnight mower! Light and easy to push and not too loud on the ears

Clarke Rotorua


7 months ago


I would recommend if you are a little person as it's a small model but it works

Krusty Gisborne

Hyundai lawnmower

8 months ago


Goes well

Mark Auckland

Great lawnmower

8 months ago


Great lawnmower, I have a decent size garden and this lawnmower is perfect for it plus it has a very quiet motor.

Arch Auckland


8 months ago


Extremely disappointing. Impossible for and elderly woman to start - have to tie the accelerator handle to the mower handle with a piece of rope to be able to pull the starter at all.

Pixies muma. Wairarapa


8 months ago


Love this lawnmower. Its light,easy to assemble and mows a average size yard with ease! Buy it you wont regret it!

Rex Taihape

unhappy customer

8 months ago


na not happy with this mower, grass gets stuck in hole where its meant to go into catcher, cant have it 2 low cos it digs into ground, have it higher n its not cutting, wasted money

Carole Christchurch

Hyundai lawn mower

9 months ago


Pull cord not working after starting up for first time.

Reply from Trade Tested

This customer has been sent replacement parts.
Doug. Waikato

Hyundai Lawnmower 400mm 79cc

10 months ago


Only had it for a while but are happy with it and would recommend it. Its really only ideal for small to medium sized lawns (light mowing) as pointed out by Trade Tested. Light and easy to use, ideal present for the wife (not let my wife see this).

Bazza Dannevirke


10 months ago


great mower

Lisa Auckland

Hyundai lawnmower

10 months ago


Great product

Mowing Guy Auckland


10 months ago


Nice and light. Not super powerful. However don’t need much power as mowing a very small area. Great for keeping a bowling green appearance. Easy to start.

Julie Canterbury

Love my lawnmower

11 months ago


I am very happy with my purchase of the lawnmower.

Gabby Marton

The Little Mower that Can

11 months ago


Good little mower which arrived promptly and was very easy to get up and running. Very cute and I have named it " Baby Blue". Light and compact. Nice and quiet. Gets along well for such a little engine. We have a big grunty self-propelled wide cut mower "Big Orange" for our lawn, verge and small paddock but I wanted a little one to get in the tighter spots the big mower can't reach like between our Red Robins and around fixed obstacles. It's perfect for that. Catcher fits really well and is easy to get on and off.Being plastic it wouldn't handle too much rough treatment or challenging ground but certainly fulfills the purpose we bought it for. It would be ideal for small lawns and user friendly for the elderly or older kids.

L Taupo

Does the job

11 months ago


Nice and light, does the job

A Auckland


12 months ago


Quiet and great to use.

Deklan Canterbury

Happy with purchase

about 1 year ago


Overall I’m happy with my purchase. One criticism is the very poor quality of the photos in the owners manual, the resolution of the photos render them virtually useless.

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