CJ Tech Services PTY LTD

CJ Tech Services PTY LTD Mobile Plant & Heavy Diesel
Air conditioning
Electrical
Undercarriage
Onsite Repairs & Service Est. Oct 2018
Australian Refrigerant Council authorised RTA.
(1)

AU52918
Specialising in repairs and maintenance to:
Mining sector
Agricultural sector
Quarrying sector
4x4's and Late-model cars
Highly skilled with auto electrical fault finding. Heavily skilled with all major OEMs. We have advanced diagnostics tooling for heavy equipment as well as cars. This means we can perform ECU programming and key programming on 4x4s and late-model vehicles.

17/07/2026

💥 POV: Your loader overheated… and it’s back earning its keep.

There’s nothing better than getting critical machinery back on the job with minimal downtime.

This loader was in for a radiator replacement, and Corey got it sorted so it could get back to work where it belongs.

Whether it’s earthmoving equipment, tractors, loaders, excavators or trucks, CJ Tech Services provides professional on-site and workshop repairs, diagnostics and maintenance across South West Victoria.

📞 0487849884
Need your machinery repaired?
Get in touch before a small problem turns into a major breakdown.

✅ Mobile service
✅ Workshop repairs
✅ OEM diagnostics
✅ Heavy diesel specialists

Message us on Facebook or call CJ Tech Services today.

👀 Sneak Peek… Something Big is Happening at CJ Tech Services!For months we’ve been searching for the perfect office solu...
15/07/2026

👀 Sneak Peek… Something Big is Happening at CJ Tech Services!

For months we’ve been searching for the perfect office solution, and today it finally arrived.

Most people would recognise these portable buildings from construction and mining sites… but we’re giving ours a completely different purpose.

As our business and family continue to grow, we wanted a dedicated workspace where we can meet with customers, manage the business, and still have a safe play space for our kids. As parents, we know how difficult it can be to find places where you can supervise your children while still getting work done, so we’re creating our own.

The best part? We didn’t need cranes or contractors to get it into position. 💪

Using our own fleet:
🚜 Ex-Army Merlo Telehandler
🚜 John Deere Backhoe
🚜 Toro Mini Excavator

…we were able to unload and position our new office ourselves.

It’s only the beginning, but we can’t wait to show you the transformation over the coming weeks.

Stay tuned… this is going to become the heart of CJ Tech Services. 🔧🏗️

Even though these 0° mornings are chilling us to the core 🥶, it doesn’t mean we’re not still here making sure your A/C s...
08/07/2026

Even though these 0° mornings are chilling us to the core 🥶, it doesn’t mean we’re not still here making sure your A/C system is performing at its best.

Your A/C isn’t just for summer — it helps remove moisture from the air, which means clearer windows, better demisting and a more comfortable cabin through winter.

When it comes to A/C work, look for the ARCtick. CJ Tech Services is licensed for automotive A/C work.

AU52918

CJ Tech Services — supporting local industries.

07/07/2026

When everyone else says “no comment”…

We’ve got one.

Big trucks, big machines and big boy tools need big boy horsepower.

And lucky for us, everything in America is supersized 🇺🇸

CJ Tech Services — built for the heavy stuff.

03/07/2026

Crusher electrical diagnostics from Corey’s POV ⚡️

False readings, electrical noise traced, sensor signal stabilised — back to work.

For more heavy diesel, diagnostics and field service jobs, follow CJ Tech Services.
📞 0487849884

No fault codes doesn’t mean no fault. 💻 ❌This machine had 0 active DTCs, but that doesn’t mean the job stops there. We c...
30/06/2026

No fault codes doesn’t mean no fault. 💻 ❌

This machine had 0 active DTCs, but that doesn’t mean the job stops there. We carried out on-site testing, checked live data, fuel rail pressure, sensor readings, fuel supply and machine behaviour to confirm the diagnosis properly.

That’s why diagnostics are more than just “plugging the computer in” — it’s knowing what the data means and testing the machine as a whole.

CJ Tech Services — on-site heavy diesel diagnostics & repairs, keeping local machinery moving.

📞 Corey: 0487 849 884

Would you have spotted these issues before buying? 👀🛑We recently completed a pre-purchase inspection on this CAT 312D ex...
29/06/2026

Would you have spotted these issues before buying? 👀🛑

We recently completed a pre-purchase inspection on this CAT 312D excavator — and it was a great reminder that what looks okay from a distance can tell a very different story up close.

A few of the things picked up included cracks in key areas, heavy wear through pins and components, undercarriage concerns, water getting into the cab, damaged cooling components, and signs of final drive issues.

That’s the whole point of a proper inspection.

Before you hand over the money, you want to know what you’re really buying — not what you find out after it lands on your property.

A pre-purchase inspection can help you:
✅ Avoid unexpected repair bills
✅ Negotiate with confidence
✅ Understand what work is actually required
✅ Protect your investment before it becomes your problem

Buying an excavator, truck, tractor or machine?

Get it checked first.

📞 Contact CJ Tech Services to book a pre-purchase inspection.

Guess what Corey repaired this week? 👀Hint: it wasn’t a truck, tractor or excavator.This one had no DMD display and no s...
26/06/2026

Guess what Corey repaired this week? 👀

Hint: it wasn’t a truck, tractor or excavator.

This one had no DMD display and no soundboard.

After checking voltages, testing the transformer, running diagnostics and tracing wiring, Corey found the fault — a damaged DMD board with burnt areas, dry solder joints and damaged tracking.

Faulty unit replaced, and she powered back up with sound, lights and display all working again. 🙌

Just another reminder that CJ Tech Services is more than just mechanics — diagnostics, electrical repairs and fault finding are all part of what we do.

Any guesses? 🎱✨

From seeing these at CONEXPO-CON/AGG 2023 to finally landing in Australia 3 years later is bold progression!
25/06/2026

From seeing these at CONEXPO-CON/AGG 2023 to finally landing in Australia 3 years later is bold progression!

BHP, Rio Tinto and Caterpillar have launched a trial of two Cat® 793 XE Early Learner battery-electric haul trucks at a mine-site demonstration in Western Australia's Pilbara as part of an industry-first collaboration.

The trial is generating critical data to assess technical readiness, infrastructure requirements and commercial feasibility, including trialing high-powered static and dynamic charging solutions.

We’re excited to further explore the potential of battery-electric solutions for our industry.

More in the comments.

24/06/2026

Tracks on farm? No worries.

Corey and Dave putting our hydraulic track press to work on a CAT excavator — all done on site.

Need undercarriage work sorted without moving the machine? Give CJ Tech Services a call.

We can service your undercarriage needs on site, and yes — the track press is also available for wet hire if you want to do the heavy work yourself.

Shoutout to the trusty Toro mini digger for earning its keep too 😅

📞 0487849884

Address

2-18 Bellmans Road
Bushfield, VIC
3281

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