Welcome to Superior Diesel Maintenance! We're your trusted local business for diesel vehicle upkeep. Our skilled technicians provide comprehensive maintenance and repair services. We've got you covered! Choose us to experience reliable, efficient, and customer-focused diesel maintenance.

Owner of Gillies Enterprises, Aaron Gillies, developed a passion for tinkering with heavy-duty equipment while working in the mining industry. Backed by over 20 years of experience, Aaron and his team are now expert mechanics in Narrabri. We have broadened our scope of mechanical and hydraulic repairs to include earthmovers, passenger cars, farm machinery, fleets, trucks, and trailers. Gillies Enterprises are focused on helping people improve their vehicle's safety through tailored solutions. Whether you need the occasional check of your air conditioning system, comprehensive logbook servicing, or 24 emergency breakdown assistance, we're here to help. Contact us for more information.