Heavy Diesel Parts and Services are a Southpac Truck service provider for the greater Canterbury region.

We are part of Southpac Trucks TRP customer assist program. We offer a 24-hour callout service and can normally have a technician to you within an hour in the event of a breakdown.

Heavy Diesel Parts and Services are the only full Cummins dealer in the greater Canterbury Area.

We also carry out servicing and repairs on a wide range of other makes and models of road transport equipment in our fully equipped workshops.

Our service technicians receive up to date training on the latest engine and drivetrain releases by Kenworth and DAF through dedicated Southpac training.

Heavy Diesel Parts and Services hold the Christchurch Airport contract for all maintenance and repairs to the essential vehicles keeping the Airport operating 24/7

We have a workshop set up at the Synlait Milk processing factory to carry out all repairs and maintenance on the Synlait Milk Tankers.

Our purpose-built engineering workshop is equipped with modern tooling and specialises in high quality New Truck builds and repairs




Workshop Services:

  • Scheduled servicing
  • Engine and gearbox re-builds
  • Trailer repairs and servicing
  • Insurance repairs
  • VCA and COF Testing Lanes
  • On-site brake testing
  • Purpose built Engineering Workshop



Heavy Diesel Parts and Services are Cummins diesel engine specialists and are qualified to service all types of marine diesel engines.


Onsite Services:

  • Industrial engines servicing and maintenance
  • Genset servicing and maintenance
  • Marine engine servicing and maintenance





HDPS specialise in engine servicing, engine rebuilds and re-powering using genuine parts.






HDPS Testing Lane offers:

  • Brake Testing
  • VCA
  • COF
  • WOF


The HDPS Columbia Team 2021











64 Columbia Avenue, Hornby South
Christchurch 8042, New Zealand
Phone: 03 349 2009
24h Breakdown Callout: 027 220 2792