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Hyundai Post Hole Borer 51cc

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Powered by the Hyundai 50.8cc 2-stroke high torque, low emission petrol engine, the Hyundai HYEA5080 earth auger is built to handle tough ground and solid soil quickly and easily.

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Product overview

Powered by the Hyundai 50.8cc 2-stroke high torque, low emission petrol engine, the Hyundai HYEA5080 earth auger is built to handle tough ground and solid soil quickly and easily.

Ideal for drilling into earth in order to set fence posts, poles, trees, shrubs & foundation stumps for both domestic and professional settings.

Equipped with a reduction gear for better performance, the steel gears also ensure maximum reliability and maintain high durability.

The 50.8cc engine has tremendous mid-range torque, so the machine does not have to be operated at maximum revs when drilling - giving you a quieter user experience, reducing fuel consumption and promoting long engine life. Fitted with easy-start technology the HYEA5080 engine is easier to start and its heavy-duty air filter ensures long engine life.

The HYEA5080 is supplied with 3 interchangeable steel auger attachments to perform professional quality work quickly and easily. Quick-action release ensures every drill bit can be changed in a flash.

The on/off switch, fingertip throttle control and safety trigger are mounted on the right hand grip, providing easy, precise and safe control. Combined with a fully enclosed anti-vibration system to reduce stress and fatigue on the operator's arms and back, this ergonomically designed unit is ideal for extended use by one or two people.

A rugged steel frame ensures long term reliability, easy operation and straightforward maintenance. Take on the big jobs and order yours today.

In the box: HYEA5080 post hole borer, 3 steel auger attachments, 2 stroke mixing jug, tool kit, manual.

• Easy start, high torque 50.8cc 2-stroke petrol engine
• Easy control - high power to weight ratio, can be handled by one or two people
• Centrifugal clutch system protects machine and user during rock and root strikes
• Variable head speed settings and tough robust steel gear drive transmission
• Supplied with 3 auger attachments (100mm, 150mm & 200mm diameter)
• Ergonomic design with fingertip controls, anti-vibration system
• 3 Year Warranty

Model: Hyundai HYEA5080
Engine: 50.8cc 2-stroke
Output: 1.8kW, 2.3Nm
Fuel: Pre-mix unleaded petrol/ semi synthetic 2-stroke oil, 40:1 ratio
Starting System: Recoil pull start with CDI ignition system for easy starting
Drilling Diameter: 100mm, 150mm & 200mm diameter steel drill attachments
Drill Length: 800mm
Drive: Centrifugal clutch
Package dimensions: 83.6cm x 58.2cm x 28.8cm
Weight: 18.2kg

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Questions and answers

0 votes
Can this handle a 250mm auger? Or is it not recommended for this machine? Cheers
It is only recommended to go up to 200mm for this machine. We have a 159cc model which will have no problems driving a 250mm auger into the ground.
By Trade Tested on January 23 2024
5 votes
Does the weight include auger attachment & fuel?
Weight would be approx 12-13kg with 1 auger attached and full of fuel.
By Trade Tested on November 20 2019
2 votes
hi. Question on the safety features. Is there an anti kickback /wrist breaking features? cheers.
Yes it has a centrifugal clutch.
By Trade Tested on December 09 2020
2 votes
hi there how are they with tree (not that big) and shrub roots?
It should be fine, they'll chop through fibrous roots.
By Trade Tested on June 24 2020
0 votes
Can you please confirm the total weight of this post hole borer with auger attached?
The weight will be around 12kgs, with an auger attached and full of fuel.
By Trade Tested on December 14 2022
0 votes
Will it dig hard pan or sand stone?
Yes it will but it will be on the slow side.
By Trade Tested on September 29 2022
0 votes
Hi The gearbox lubrication is not clear does it have sufficient grease to use as it came out of the box ?
Yes, it has sufficient grease to use when purchased.
By Trade Tested on May 11 2022
1 vote
Good morning, I am in the process of designing and enlarging the existing play ground area at our school, I will need to instal over 100 posts to support the perimeter seating. The school is in Levin in the Manawatu where the ground is full of varying size river stones which make hand digging very difficult. My question is would this Post Hole Borer be suitable for my purpose?
Yes this would do the job. Smooth round river stones will not be a problem, although this is obviously size dependent to some extent.
By Trade Tested on December 05 2018
-1 votes
Hi there, I need to drill quite long horizontal holes into the face of a bank for an engineered retaining wall. I'm happy to get extensions sorted but wondering if this machine will run well in the horizontal position for prolonged periods?
It's 2-stroke, so yes it should be fine.
By Trade Tested on June 30 2020
0 votes
Hi guys, can this handle a 300mm auger attachment???
Potentially, but it may struggle a little depending on the soil type, so you may want to look at a bigger model.
By Trade Tested on March 26 2020
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All reviews (94)

Read reviews that mention

  • auger
  • clay
  • dig
  • start easy
  • strainer post
  • 200mm
  • bored
  • start easily
  • dug
  • planting
hyundai post hole borer

starts good runs perfect and easy to use. i should have bought one a long time ago. recommended for round the lifestyle block. wish it could take a 300mm auger though.

mike Bay of Plenty
Post hole borer

Great item , did the job perfectly.

Sally Auckland
Very Efficient Machine

Very happy with this machine. Was completely assembled in box, all I had to do was mix the oil/petrol mix and put on the auger. First use I was nearly sucked into the ground as my old borer had required a lot of effort to drill. This one was a breeze and came with 2 other augers as part of the price. Can't ask for more than that.

Jenko Northland

2 of the 3 augers broke tooth off Good machine augers not so good

Builder Auckland
Excellent - fit for purpose

I'm delighted after a month and over 50 holes dug. Super easy to set up and use. It's powerful. I've learnt that patience in using smaller size augers first, saves some torque wrenching - especially in stoney ground or with roots.

Al Wellington
Good so far

Have currently dug 150 holes with medium sized auger 15 strainer post holes one meter deep it's working well so far past. Post hole diggers that I have owned in the past the gearbox has worn out on them so only time will tell if that happens to this one

Brian Bay of Plenty
Really good!!!

Is pretty quiet and easy to start, runs really well, as good as the centrifugal clutch is it does kick in a bit early for me so really like just hang an uninterrupted dig, small rocks can stop the rotation but I’m saying that it beats becoming a human helicopter

ejw8 Auckland
hyundai post hole borer 51cc

better than expected very good

hori bay of plenty
Hyundai posthole borer

Runs well for its size

Roger Te Kuiti
Great machine

Perfect for our lifestyle block. Done dozens of fence posts, retaining wall posts and smaller work - a huge time and labour saver. Easy enough for an able person to handle. Starts easily as all the Hyundai engine seem to. Be a bit careful in wet soil to go slower and let it clear out the diggings (hold it up if you have to). Went a bit fast once and it corkscrewed right into the ground and I ended up having to dig it out.

DarrylC Bay of Plenty