• Mobile mechanical service available across North Queensland
  • Servicing all diesel makes, models & machinery types
  • Fully qualified & ARC-approved technicians you can trust

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A Truck On The Hoist— OG Diesel NQ in Garbutt, QLD

Townsville Heavy Vehicle Inspection

Staying compliant isn’t just about ticking boxes—it’s about safety, reliability and keeping your business moving. At OG Diesel NQ in Townsville, we’re an Approved Inspection Station offering heavy vehicle inspections for Certificates of Inspection (COIs).


Whether it’s for registration, sale or workplace compliance, our inspections follow all Queensland Department of Transport requirements. We carry out thorough checks to identify any mechanical or safety concerns, giving you the confidence to stay on the road without setbacks.


  • Approved Inspection Station (AIS)
  • Roadworthiness checks for heavy vehicles
  • Fast, transparent reporting


We work with individual drivers and fleet operators to ensure their vehicles meet legal and operational standards. Book your inspection today by calling 07 4426 3771.

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Inspection for Trucks, Trailers & Fleets

In Queensland, certain vehicles require a current Certificate of Inspection to be legally driven on the road. This includes heavy vehicles over 4.5 tonnes GVM, as well as some trailers, buses and commercial fleets. At OG Diesel NQ, we handle everything from pre-purchase checks to annual inspections, ensuring your vehicle meets all safety, mechanical and environmental criteria. If something doesn’t pass, we’ll provide a detailed report and quote for repairs—no guesswork, no surprises.


  • Annual inspections for heavy vehicles
  • Pre-registration & compliance checks
  • Repairs & rechecks available onsite


Keeping your vehicle compliant doesn’t have to be complicated. Our team makes the process straightforward, efficient and reliable.

A Man is Kneeling Down Next to a Truck and Writing on a Clipboard — OG Diesel NQ in Garbutt, QLD

Frequently Asked Questions

  • What is a Certificate of Inspection (COI)?

    A Certificate of Inspection is a formal document proving that your vehicle has passed a government-approved safety and mechanical check. It’s required for certain vehicles in Queensland, such as heavy trucks, buses and registered trailers, and helps ensure vehicles meet road safety standards.

  • What does a heavy vehicle inspection include?

    Inspections cover all critical safety and mechanical components. This includes brakes, suspension, steering, tyres, lights, chassis integrity, fluid leaks, driveline components and general roadworthiness. The vehicle must pass all areas to be issued a valid certificate.

  • Can I drive a vehicle without a valid COI?

    No. Operating a vehicle that requires a COI without a valid certificate can lead to fines, registration cancellation or insurance issues. It may also pose serious safety risks. Always ensure your vehicle’s certificate is current before hitting the road.