Keeping Your Business Moving

Welcome to

QT Diesel

At QT Diesel, we’re dedicated to keeping the transport industry running safely, efficiently, and with as little downtime as possible. As a family-owned and operated business, we provide reliable service, honest advice, and quality workmanship backed by leading industry partnerships.
Located in Colac West, we proudly service transport operators across the Colac Otway region and South West Victoria.

Authorised Kenworth, DAF & PACCAR parts Dealer

As an authorised Kenworth & DAF service, warranty and parts agent supported by PACCAR, we supply genuine Kenworth and DAF parts, TRP parts, PACCAR parts, and top-tier servicing backed by the highest industry standards.

What we do

Why choose QT Diesel?

Local, family-owned

Fast turnaround times

Qualified heavy diesel technicians

Genuine parts & authorised repairs

Honest advice — no surprises

24/7 breakdown support

Client Testimonials

Hear from our clients.

“Amazing service right from Word go easy to communicate with prompt and fast to get out my truck that needed rescuing thank you so much guys. It was a real pleasure to deal with you today.”

Jerry Knudson

“Great place for diesel services.”

Brendan

“Great help always cheery.”

Shane Brooks