Transmission Specialist Darwin

PROTRUCK provides reliable transmission repairs and servicing in Darwin. Our team brings more than 15 years of hands-on experience across a wide mix of vehicles, from light models through to heavy-duty workhorses.

We support local clients along with operators throughout Australia. All work is completed at our fully equipped workshop in Fountaindale, NSW, where transmissions can be shipped straight to our specialist team. Whether it’s routine servicing or a complete overhaul, our mechanics use up-to-date tools and training to deliver the dependable workmanship PROTRUCK is known for.


To help reduce downtime, we keep a wide range of specialised parts on hand to support every job. We also stock the most commonly used Eaton Fuller Roadranger transmissions, offering reconditioned and exchange units that come with a warranty for added confidence, and can advise how transmission work may relate to your vehicle's warranty or new car warranty conditions.

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We offer the following:

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Scheduled servicing and preventative maintenance for transmissions.

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Allison automatic transmission servicing, maintenance, and repairs.

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Major repairs, servicing, and complete overhauls for heavy transmissions, including Fuller Roadranger, Eaton, Spicer, ZF, Scania, and Volvo.

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A large inventory of specialised parts to support all transmission servicing and repair needs.

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Popular Eaton Fuller Roadranger transmissions available for reconditioning and exchange.

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Warranty included on every reconditioned and exchange unit for added peace of mind.

How It Works – Transmission Services

Whether you’re based in Darwin or operating elsewhere in Australia, PROTRUCK keeps the transmission repairs and service process straightforward and stress free.


Step 1

Contact our team

Call or email our team to talk through the issue. We’ll provide a quote with freight options included, or you can arrange your own freight if that suits you better.


Step 2

Ship to our workshop

Ship your transmission to our fully equipped workshop in Fountaindale, NSW, where our specialists work across all makes and models.

Step 3

Professional inspection

Our mechanics assess and test the unit to confirm whether it needs servicing, repairs, or a complete overhaul.

Step 4

Service, repair, or exchange

We complete the required work using quality parts from our extensive inventory. We also carry popular Eaton Fuller Roadranger units, offering reconditioned and exchange transmissions with warranty to support quicker turnaround times.

Step 5

Fast return

Once the job is finished, we send the unit back to you in Darwin, restored and prepared for smooth, dependable performance.

Benefits of Transmission Repairs & Servicing

Caring for your transmission plays a major role in performance and reliability. Regular servicing and prompt repairs support the life of the system and help keep your car, truck, or heavy vehicle running safely and efficiently each day.

FAST, EFFICIENT TRANSMISSION REPAIRS AND SERVICING

Talk to our friendly transmission specialists about anything from automatic transmissions in cars and light commercial vehicles to manual gearboxes and heavy truck systems.

Protruck opened its doors in 2003 with a mission

to provide reliable repairs and preventative maintenance that help vehicle owners stay safe and confident on the road.

We value every customer and take pride in our service, treating each truck, car, or piece of machinery with the same level of care we’d give our own.


With PROTRUCK, you can count on honest advice, quality mechanical work, and workmanship held to a high standard every time.

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Happy Clients

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Frequently Asked Questions

  • How does PROTRUCK’s transmission service work for Darwin customers?

    Even though our workshop is based in Fountaindale, NSW, we support customers across Australia, including the Northern Territory. From our convenient location, you can ship your transmission to us and our specialists will handle the servicing, repairs, or full overhaul before sending it back. We work on both manual and automatic systems and use advanced diagnostics to assess every unit. Throughout the process, you can expect clear communication and consistent, high-quality service from start to finish.

  • Can I arrange my own freight for transmission repairs?

    Yes. When you contact us, we can provide a quote that includes freight costs. If you’d prefer to organise your own freight, that’s completely fine too.

  • What types of transmissions do you repair?

    Our team works across a wide range of makes and models, from light vehicles through to heavy trucks. We regularly service Fuller Roadranger, Eaton, Spicer, ZF, Scania, Volvo, and Allison automatic transmissions.

  • Do you provide reconditioned or exchange transmissions?

    Yes. We stock popular Eaton Fuller Roadranger transmissions for rebuilds, reconditioning, and exchange. All units are supplied with warranty for added confidence.

  • Is there a warranty on transmission repairs and reconditioned units?

    Yes. All reconditioned and exchange units come with a warranty. Transmission repairs carried out in our workshop are also backed by our commitment to high-quality workmanship.

  • Can you supply transmission parts if I don’t need a full repair?

    Yes. We carry a large selection of specialised transmission parts for both manual and automatic systems and can source additional parts for customers anywhere in Australia. If you have a local mechanic handling the job, we can supply what they need to get your vehicle back on the road.

  • What are the benefits of regular transmission servicing?

    Regular servicing, including inspections and timely fluid changes, helps pick up early signs of trouble before they turn into costly repairs. It supports your car's performance, extends the life of your manual or automatic transmission, improves fuel use, and creates a smoother, more reliable driving experience. It also forms part of PROTRUCK’s broader mechanical care, giving you confidence that your vehicle is maintained to a high standard.

  • How often should a transmission get serviced?

    Most vehicles benefit from a transmission service every 50,000 km to 100,000 km, depending on the make, model, and how the vehicle is used. Heavy-duty or commercial use may require more frequent servicing.

  • Are manual and automatic transmission services worth it?

    Yes. Regular servicing helps prevent major faults, protects the transmission, improves driving quality, and can save you from expensive repair bills later.

  • How do I know if I need a transmission service?

    Common signs include delayed shifting, slipping gears, strange noises, fluid leaks, warning lights, or a change in driving feel. If anything feels off, it’s best to have the system inspected to keep your vehicle running smoothly.

  • What does a transmission specialist do?

    A transmission specialist diagnoses issues, carries out servicing, repairs faults, rebuilds or overhauls units, and supplies parts or exchange transmissions. They focus solely on transmission systems for accurate assessment and high-quality work.

  • What other services do you provide?

    We offer a broad range of vehicle services that go well beyond transmissions. Our team handles differentials, clutches, brakes, suspension systems, steering repairs, drivelines, engines, trailer servicing, crane maintenance, and gearbox rebuilds. We also provide car service options, along with hydraulic repairs, PTO installations, tyre services, wheel balancing, machining, welding and fabrication, as well as auto electrical repairs and air conditioning work. All services are completed by skilled mechanics at our well-equipped workshop.

  • How do I get started with transmission repair or servicing in Darwin, Northern Territory?

    Getting started is simple. Call us on 02 4389 1877 or send an email and we’ll discuss your transmission needs. We’ll prepare a clear quote, with freight included if you want us to organise it. You’ll also receive straightforward shipping instructions for sending your transmission to our Fountaindale workshop, where our experienced specialists will carry out the work.

A large gearbox is sitting on a table in a garage.
A large gearbox is sitting on a table in a garage.
A dirty engine block is sitting on a table in a garage.
A gearbox is hanging from a crane in a garage.
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Need to Know More Information?

Contact PROTRUCK for professional advice on transmission repairs and servicing in Darwin.