Who is DFSI?

Dynamic Hydraulics Ltd was formed in January 1973

In 1988 Dynamic Hydraulics Ltd acquired Fluid Engineering Ltd and continued to trade the two companies as separate identities.

This company has enormous experience in the industrial hydraulic and pneumatic markets, giving more than 40 years of company experience, service and design. A combined total of 100+ years of technical expertise, service and design is on offer to our customers, through skilled and well trained staff.

Dynamic Fluid Systems International Ltd & Dynamic Fluid Systems Napier offers one of the largest ranges of fluid power componentry (hydraulics and pneumatics) available in New Zealand, from pumps and filters through to accurate electro-hydraulic units.

Our acquisition of “State of the Art” C.N.C Machining centre’s means we can now offer our services for large or small productions runs in steel, plastic or aluminium. For further information please contact either of our offices.


This price increase affects the below products – Please click HERE to see what the price increase will be. Effective from 20th June 2021

  • DFS Auckland Labour Charges
  • Air Sentry
  • Aircol
  • OilSafe
  • Castrol Hydraulic Mineral Oil
  • Castrol Cutting Fluid 
  • Filtration Group (Prev Mahle) – Another Price increase starting 1 Jan 2022
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Industries We Service

Our Services

Service & Repair

With over 70 years of experience in Service & Repair, we will be able to find that fault and solve it for you quickly and efficiently.


With access to many different National and International Suppliers we are here to help you procure your hydraulic parts as required. From fittings to filters, pumps and motors plus so much more!

Spectro Oil Analysis

We do In House Oil Sampling and testing using our Spectrometer, Fluidscan, Viscometer and Laser Particle counting technology - All based in our Auckland Laboratory for your peace of mind.

Even more services

Shutdown Maintenance

Urgent Work Stopping Production


On/Off site testing and repairs

Project / Custom Work

Or just a bit of technical assistance

Other Skills

With our combined knowledge in Hydraulic Engineering we also have skills in other areas within our industry that have benefited many of our fantastic customers. These include:

Hydraulic Diagnostics
Hydraulic Filtration
System Design
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Our team

Dean | Managing Director
Steve | Technician (Napier)
Anna | General Manager
Phill | Technician & Hoses (Napier)
Paul | Technician (Auckland)
Sharon | Branch Manager (Napier)
Ken | Technician (Auckland)
Jeff | Technician (Napier)

Latest news

Brands We Use