M L Lineboring pty ltd

M L Lineboring pty ltd Mobile Lineboring Services
Bunbury, Western Australia
Over 20 years of industry excellence
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When the customer calls, we answer.While already on site completing other repairs for our valued client, we were asked i...
15/06/2026

When the customer calls, we answer.

While already on site completing other repairs for our valued client, we were asked if we could put the original job on hold and jump across to a higher-priority machine that had unexpectedly gone down.

The issue? Worn and damaged track frame idler roller mounts that required stripping, lineboring, and reassembly to get the machine back into service.

No problem. We mobilised, completed the repair, and had the machine ready to return to work before heading back to finish the job we originally came to do.

Keeping our customers operating is always the priority, and sometimes that means being flexible enough to adapt when plans change.

📍 On-site lineboring and machining services
⚙️ Fast response when downtime matters
🔧 Over 22 years of experience keeping equipment moving

When a major client needed a repair completed at short notice, we were ready to get the job done.Our team recently carri...
10/06/2026

When a major client needed a repair completed at short notice, we were ready to get the job done.

Our team recently carried out repairs to the boom lift mounts on a CAT 336, delivering quality workmanship and a fast turnaround to help minimise downtime and keep operations moving.

No matter the size of the job, we’re committed to providing reliable solutions when our customers need them most.

📞 Contact us to discuss your lineboring and onsite machining requirements.

22+ Years of Lineboring ExperienceWhen precision matters, experience counts.For over 22 years, our onsite technician has...
05/06/2026

22+ Years of Lineboring Experience

When precision matters, experience counts.

For over 22 years, our onsite technician has been helping customers get their equipment back to work with quality lineboring and machining services. We pride ourselves on delivering reliable repairs, minimizing downtime, and providing workmanship you can trust.

Whether it’s a small repair or a major rebuild, we’re here to help.

📧 Get in touch to discuss your next project.

Completed repairs to both the inner and outer trunnion bores on this D10 nose cone.With over 22 years of experience line...
28/05/2026

Completed repairs to both the inner and outer trunnion bores on this D10 nose cone.

With over 22 years of experience line boring heavy equipment, this was a first for us. Extensive wear and damage required a tailored repair approach, including precision machining and the manufacture of custom bearings to restore correct fitment and function for the
customer.

Both bores were reclaimed and machined back to specification, ensuring correct alignment, bearing crush, and long-term reliability in service.

Jobs like this are a reminder that no two repairs are ever the same - sometimes the solution needs to be engineered from the ground up.


Prompt response and fast turnaround on this water cart articulation joint repair.We were called in to inspect and repair...
19/05/2026

Prompt response and fast turnaround on this water cart articulation joint repair.

We were called in to inspect and repair an articulation joint that was found to be well out of specification due to excessive wear. We mobilised quickly, carried out the required weld reclamation and precision line boring works, restoring the bores back to correct tolerances and alignment.

From initial inspection through to final fit-up, the job was completed efficiently and safely to minimise downtime and get the machine back into operation as quickly as possible.

This steering point on a Volvo articulated truck had seen better days. We set up carefully with our compact equipment an...
09/05/2026

This steering point on a Volvo articulated truck had seen better days.

We set up carefully with our compact equipment and did a full repair, even robot welding upside down. New bearings were fitted and the whole assembly is back together ready for action.

We bring 22 years experience and sensible problem solving to every job.

Last-minute Saturday breakdown — handled.Mobilised to site to carry out urgent repairs on this excavator stick end bores...
05/05/2026

Last-minute Saturday breakdown — handled.

Mobilised to site to carry out urgent repairs on this excavator stick end bores and faces. Worn bores were reclaimed and machined back to specification, faces were built up with weld and machined restoring correct fitment and alignment.

Fast response, efficient ex*****on, and the machine back in service with minimal downtime.

Available when and where you need us.

Night shift done and dusted.Tray pivot bore repairs completed overnight for a Tier 1 mining client. Scope included full ...
29/04/2026

Night shift done and dusted.

Tray pivot bore repairs completed overnight for a Tier 1 mining client. Scope included full clean-down of the work area, removal of worn bushes, bore refurbishment through weld build-up and precision machining, followed by installation of new bushes to restore correct fit and function.

All work completed safely and efficiently, with the asset returned ready for service.

On-site grader articulation repairs completed.Engaged to assess and repair wear in the articulation joint, we carried ou...
27/04/2026

On-site grader articulation repairs completed.

Engaged to assess and repair wear in the articulation joint, we carried out a full inspection on arrival and provided a detailed report outlining required works. Following approval, the repairs completed included weld reclamation and precision lineboring to restore correct tolerances, alignment, and pin fit.

The job was delivered efficiently, completed safely, and brought in under budget — minimising downtime and getting the machine back to work fast.

Commencing repairs on a CAT 777 haul truck tray.Scope of work includes reclamation of the tray pivot and hoist bores, ad...
17/04/2026

Commencing repairs on a CAT 777 haul truck tray.

Scope of work includes reclamation of the tray pivot and hoist bores, addressing wear, and loss of tolerance developed in service. Bores will be built-up using controlled procedures, followed by precision line boring to OEM specification to restore correct geometry, alignment, and bearing fit.

Critical mount faces and interfaces will be checked and machined as required to ensure proper load transfer and eliminate premature component wear.

Work is now underway, with a focus on accuracy, structural integrity, and returning the tray to reliable operating condition within required tolerances.

Address

Bunbury, WA

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