Auckland & North Island — Mobile Service Fleet
Diesel Generator
Experts.
Servicing, testing, repair, sales & rental — 10kVA to 2.2MVA.
Qualified engineers. Competitive pricing. We come to you.
30+
Years Experience
50+
Hire Generators in Stock
10kVA–2.2MVA
Size Range
24/7
SMA Customer Support
Who We Are
New Zealand’s Diesel Generator Specialists
Diesel Generators New Zealand (DGNZ) operates a fleet of mobile service vehicles across the greater Auckland and North Island area. With workshops based in Silverdale and East Tamaki, our team of qualified diesel engineers and electricians brings decades of real-world experience to every job.
From mountain-top RADAR installations to chicken farms, data centres to disaster relief — if it runs on diesel, we service it.

What We Do
Services & Products
Mobile Servicing
We come to you. Full generator maintenance programmes across the North Island.
Maintenance Agreements
Set-and-forget SMA coverage with 24/7 support and fixed annual costs.
DI & Distilled Water
Ultra-pure de-ionized water for cooling systems, batteries & marine engines.
Trusted By
Who We Work For
DGNZ has worked with some of New Zealand and the world’s most demanding organisations:
Fonterra Woolworths Pak’nSave KiwiRail NZME Rocket Lab Powerco McConnell Dowell Rio Tinto BHP Caterpillar Exxon Space Operations NZ Raytheon NZ Met Service Linfox
