24/7 in field and workshop diagnostics, repairs and maintenance

earthmoving machinery agricultural machinery road transport

Wide range of services


NZHDS service, diagnose, repair and overhaul all heavy diesel machinery. We can tailor comprehensive preventative maintenance schemes for your fleet to help minimise breakdowns.


NZHDS offer comprehensive electrical services including diagnostics, repairs and installations for all types of machinery and brands.

AIR conditioning

NZHDS have skilled technicians for all your vehicle heating and air-conditioning needs. We carry out A/C installs, servicing, and repairs. Our team is fully mobile to complete jobs on-site.