Harder's Mechanical | Penrite Oil

Harder’s Mechanical is a family-owned business operating in Mackay. We have been providing car servicing, repairs, safety and roadworthy certificates for more than 15 years.


Formally known as Mac 1 Mechanical & Auto Air, many of our valued customers have come along for the ride as we have updated our premises (and business name) to our current location at Porter Street. Now trading as Harder’s Mechanical, we bring you an auto repairs service that is better than ever!


From roadworthy safety certificates through to servicing and repair work, you can count on us to keep your vehicle running at optimal performance. We use premium quality car parts and products, and are a proud stockist of Penrite Oil, which is regarded for it’s superior performance.


For friendly services from a trusted family business, look no further than Harder’s Mechanical.


Have a question? Take a look at our FAQ page. For bookings, or more information, contact our team.

Garage with Parked Truck — Mechanic in Mackay, QLD

Why choose us?

Family owned

Harder’s Mechanical is a business owned by locals, run for locals.

Trusted expertise

25+ years of mechanical experience.

Reasonable prices

Our independent workshop provides quality mechanical repairs at an affordable price. We always find the best deals with parts to make your job more affordable. 

Convenient location

Drop off your car and walk to town! Local drop-off also available.

Premium parts

We only fit genuine filters to cars under warranty.

Customer satisfaction

Our business is built on our reputation—we put our valued clients first.

Two Mechanics Smiling at Work — Mechanic in Mackay, QLD
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