Mobile Diesel Mechanic in Harristown

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Contact Trucks On The Run in Harristown

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Onsite & Mobile Diesel Services

Trucks On The Run is a trusted mobile diesel mechanic service in Harristown, offering expert repair, servicing and maintenance for diesel vehicles of all sizes. From routine engine tune-ups to emergency breakdown repairs, our experienced team ensures your vehicle is back on the road quickly and safely.


Our fully equipped mobile service brings reliable solutions to your location, while our workshop is available for more extensive repairs. We specialise in engine diagnostics, transmission repairs and preventative maintenance to keep your vehicle performing at its best. With 24/7 availability, we’re always here when you need us. Whether it’s a single vehicle or an entire fleet, we deliver dependable service tailored to your needs.


For professional diesel solutions in Harristown, call Trucks On The Run today on 0427 044 001.

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Why Choose Us?

Choosing the right team ensures you receive expert solutions for your diesel issues in Harristown.


  • Vast Experience
    We have over 25 years of industry expertise. This extensive background allows us to handle everything from basic servicing to complex diagnostics.
  • Locally Owned
    Our locally owned and operated status means direct accountability in every job. This fosters genuine relationships with customers who value reliable, personal service.
  • Mobile & Workshop Solutions
    We offer both workshop-based and mobile options. By bringing assistance directly to you, downtime is kept to an absolute minimum.
  • Prompt Service
    Our team prides itself on rapid response and open communication. You’ll stay informed from the initial assessment to the final repair.
  • Quality Assurance
    Strict standards in parts and workmanship ensure lasting results. We never compromise on quality, regardless of the project’s scale.
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Mobile & Onsite Services Icon

In Harristown, we provide both mobile and onsite solutions to meet your diesel repair and maintenance needs. Whether it’s a breakdown on the road or scheduled servicing at your location, we ensure minimal disruption and maximum convenience.

24/7 Services & Repairs Icon

Our 24/7 services in Harristown mean you’re never left stranded when urgent repairs are needed. No matter the time of day or night, we respond promptly to resolve critical issues and get your vehicle back to work quickly.

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Operating Hours

Monday: 9:00 AM- 5:00PM
Tuesday:
9:00 AM- 5:00PM
Wednesday: 9:00 AM- 5:00PM
Thursday: 9:00 AM- 5:00PM
Friday: 9:00 AM- 5:00PM
Saturday: Closed
Sunday: Closed

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Operating Hours

Monday
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Tuesday
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Wednesday
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Thursday
-
Friday
-
Saturday
Closed
Sunday
Closed
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Contact Trucks On The Run In Harristown

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Frequently Asked Questions

  • What local areas do you service?

    We proudly service Harristown and the surrounding suburbs, including Newtown, Drayton and other parts of the Toowoomba region. Our mobile service ensures that help is never far away, wherever you are in the area.

  • How often should a diesel engine be serviced?

    Diesel engines generally require regular inspection every 10,000 to 15,000 kilometres to maintain efficiency. Frequent oil and filter changes help preserve engine integrity by removing harmful contaminants. Coolant and transmission checks can prevent overheating and gearbox strain. Proper maintenance intervals also extend the overall lifespan of diesel systems.

  • What parts of a diesel engine typically need the most attention?

    Components such as fuel injectors, turbochargers and engine seals often endure the most stress. Over time, carbon buildup can affect injector performance, leading to decreased fuel efficiency. Turbochargers may require periodic cleaning or replacement seals to maintain consistent pressure. Regular inspections help detect and address these issues before they escalate.

  • Is there a difference between agricultural diesel engines and on-road diesel engines?

    Agricultural diesel engines are designed with increased torque output to handle heavy loads and harsh conditions. Many on-road diesel engines focus on emission regulations and fuel economy, striking a balance between power and efficiency. Agricultural units may have different service intervals due to constant exposure to dust and varying terrain. On-road systems often incorporate advanced emissions control features that require specialised maintenance procedures.