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Your local
Diesel Specialist

HTSL Diesel Mechanical has been looking after heavy vehicles across the Waikato since 2003. Based in Te Awamutu, we offer honest advice, expert servicing, and professional diesel maintenance and repairs to keep trucks moving.

From scheduled truck maintenance to breakdown support, we do the job properly, first time. Straight-talking, hardworking, and locally owned, HTSL is here to keep you safe, compliant, and ready for the road.

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TE AWAMUTU DIESEL MECHANIC SPECIALISTS

HTSL Diesel Mechanical has been looking after heavy vehicles across the Waikato since 2003. Based in Te Awamutu, we offer honest advice, expert servicing, and professional diesel maintenance and repairs to keep trucks moving.

From scheduled truck maintenance to breakdown support, we do the job properly, first time. Straight-talking, hardworking, and locally owned, HTSL is here to keep you safe, compliant, and ready for the road.

OUR DIESEL
SERVICES INCLUDE

Servicing

We offer three levels of mechanical servicing - Service A, B, and C - so you can choose the best fit for your vehicle and maintenance schedule.

Diesel Motors Rebuild

Your engine is the heart of your truck. If it needs rebuilding or replacing, we’ll get it sorted with the care and technical precision it deserves.

Drive Train

We can rebuild, replace, and recondition automatic and manual gearboxes. Whether it’s major work or minor fixes, we’ll get you back on the road.

Diagnostic Fault Finding

Using advanced diagnostic tools, we accurately pinpoint faults, then carry out the necessary repairs to clear codes and restore performance.

PVA & COF

Our service pit is fully equipped for pre-vehicle inspections and CoF checks. Whether you're preparing for certification or need repairs post-inspection, we’ve got it covered.

Electrical Repairs

Lights not working? Faulty wiring? Our team can diagnose and repair most electrical issues, from minor fixes to full rewiring.

YOUR LOCAL
COF PROVIDER

Get your Certificate of Fitness sorted by RTC, our partner of choice. Based out of our HTSL Diesel Mechanical workshops, RTC carries out inspections to make sure your vehicle meets road safety standards. For peace of mind ahead of time, they also offer pre-vehicle inspections (PVA), giving you the chance to sort out repairs before your COF test. And best of all, if anything needs fixing, the HTSL team can usually take care of it for you.

WHY CHOOSE
HTSL?

Approved Cummins Service and Repair Agent

Local, family-owned business

Extensive parts available in stock

Independent COF
provider

See what our
customers are saying

Happy business, happy owners, happy staff, happy clients, and happy suppliers.  The Mechanics are awesome, obviously love their job and no bones to pick about anything. Absolutely happy to recommend this business to any client, business or private. You will never regret dealing with HTSL.

Robert Bartle

Position, Company name

Hobbs transport services did a fantastic job getting our motorhome COFd and ready for our next adventure, their customer service is great as well, would give them a lot more than five stars if I could.

Robert Bartle

Position, Company name

Book Your Job Now
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Advice

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