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Industries we serve:



Power Generation





Science & Research



Repair Assessments

We ensure all-inclusive repairs and servicing to hydraulic cylinders, beginning with a comprehensive stripping and assessment. Following assessment, Hytec Engineering will contact you with a damage report and repair quote.

All assessments are conducted by our specialised, in-house team of engineering experts and backed by leading technology and equipment, including a 1 350 000 Nm stripping bench.

hydraulic cylinder repair


cylinder services


Service & Refurbishment

We ensure that your cylinder is serviced and refurbished to its original manufacturer specifications.

With grinding, honing and turning equipment in-house, we offer a fast and efficient cylinder service. Our equipment includes:

  • Grinding of up 4 m in length and 600 mm in diameter
  • Honing up to 9 m in length and 600 mm in diameter
  • MIG and electrode welding
  • Turning up to 9 m in length and swing of 1 m
  • CNC lathes
  • Machining centres and milling




Your refurbished cylinder undergoes stringent quality testing before leaving our factory to verify its performance.

Our smallest hydraulic cylinder test bench tests high flow and low-pressure, capable of 102 l/min at a maximum pressure of 10 MPA. High-pressure testing up to 55 MPA can also be achieved.

  • Provides a full leak test (with the pressure set at 150% of design pressure)
  • Tests hydraulic cylinders in South Africa up to 450 mm bore
  • To a pressure of 420 bar with a max. stroke length of 6 m
  • Offering testing accuracy of 0.1 mm


cylinder exchange


Service Exchange Programme

Hytec Engineering has an extensive stockholding of refurbished cylinders, available as a temporary replacement for your cylinder while it is repaired.

Hytec’s Service Exchange Programme means minimal downtime from cylinder-related maintenance requirements.


Naldoni e Biondi cylinder kits help reduce your downtime

Fully assemble your high-performance cylinder with Hytec Engineering’s supply of cylinder kits. This solution is designed for OEMs with unique requirements and remote customers that do not rely on outsourced support.

Cylinder kits from Naldoni e Biondi are comprised of different types of heads, pistons, piston seals, end plugs, nuts, ports and seals.

  • Get various combinations of components
  • Reduce required storage space
  • Shorten picking process duration
  • TÜV UNI EN ISO 9001/2008 Certification

cylinder kits



Contact Hytec Engineering today on +27 11 387 1900 to find out more.