Shamrock service truck with tools laid out beside excavators on a civil site
North Island · Mobile mechanic

Excavator
repairs.

Earthmoving plant · On site

Excavators serviced and repaired right where they work — from mini diggers to larger crawler excavators, anywhere in the North Island.

  • On-site repairs
  • All North Island
  • After-hours call-outs
What we fix

Back on the
tools, fast.

A digger sitting idle costs money. Diarmuid brings the tools to your site and fixes it there whenever possible.

Request a service
  • Hydraulic systems

    Pumps, valves, cylinders and hoses — leaks, slow functions and pressure problems.

  • Pins & bushes

    Worn pins and bushes in the boom, arm and bucket replaced to take out the slack.

  • Attachments & hitches

    Quick hitches, buckets, augers and other attachments repaired and set up.

  • Engine servicing

    Filters, oils, cooling and fuel systems serviced to manufacturer spec.

  • Preventive maintenance

    Inspections and servicing built around machine hours, so small issues never become breakdowns.

  • Breakdown call-outs

    Digger down on site? Send the location and a photo and get practical help fast. Send it on WhatsApp

Makes & areas

Any make.
Anywhere north.

Diarmuid comes to you with a fully kitted service truck. No need to move the machine to a workshop.

Makes we work on

Experienced with the makes most common on New Zealand sites. Not on the list? Send the make and model and you'll get a straight answer.

  • CAT
  • Komatsu
  • Hitachi
  • Volvo
  • Kubota
  • Takeuchi
  • Kobelco
  • Develon / Doosan

Where we work

The whole North Island — including Whangārei, Auckland, Hamilton, Tauranga, Rotorua, Taupō, New Plymouth, Napier, Hastings, Palmerston North and Wellington.

  • Northland
  • Auckland
  • Waikato
  • Coromandel
  • Bay of Plenty
  • Rotorua & Taupō
  • Gisborne
  • Hawke's Bay
  • Taranaki
  • Manawatū-Whanganui
  • Wairarapa
  • Wellington
Good to know

Common
questions.

Anything else? Ask Diarmuid directly — you always deal with the person working on your machine.

ExcavatorTracked excavator
Are you a mobile excavator mechanic?

Yes. Diarmuid works from a fully kitted service truck and comes to your site anywhere in the North Island.

What size excavators do you work on?

From mini diggers to larger crawler excavators used on civil and construction sites.

Can you replace pins and bushes on site?

In most cases, yes. Send photos of the worn area and the make and model, and Diarmuid will tell you what's involved.

Do you do servicing for civil contractors with several machines?

Yes. Planned servicing for multiple machines can be set up around your machine hours and job schedule.

What else we work on

One specialist.
Four machines.

Many crews run more than one type of machine. One mechanic can look after them all.

HDD rigHorizontal directional drilling rig
Also on the tools

Directional drilling rigs

Servicing, breakdown repairs and rebuilds for horizontal directional drilling rigs — done on your site, anywhere in the North Island, by a mechanic who specialises in them.

HDD rigs — repairs & servicing
Vac unitVacuum excavation truck
Also on the tools

Vac units

Servicing and repairs for vacuum excavation trucks and trailers — blowers, vacuum pumps, debris tanks and water systems — done on site across the North Island.

Vac units — repairs & servicing
TrencherTracked chain trencher
Also on the tools

Trenchers

Chain trenchers set up to cut clean, straight and on depth — servicing and repairs done on your site, anywhere in the North Island.

Trenchers — repairs & servicing
Other heavy plant?

Shredders, loaders, telehandlers and other civil plant too — if it runs on diesel and hydraulics, Diarmuid can take a look.

Ask about your machine
Start a conversation

Digger down?
Let's get to work.

Tell Diarmuid what machine it is, where it is and what happened. Photos of the fault help a lot.

Phone021 060 0185
HoursMon–Fri 7am–5pmAfter-hours call-outs available
Emaildcooney@shamrockmechanicalsolutions.com
Service areaAll of the North Island, NZ
Fleet or civil contractor?

Ask about planned servicing for multiple machines or a field-support arrangement for your crews. Email a company enquiry →

Request a service or quote

Fill this in and it opens WhatsApp with your message ready to send.

We'll reply as soon as we're off the tools.

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