Hydraulic Cylinder Repair

Whatever the size or condition of your hydraulic cylinder, Hytec Engineering will refurbish it to its original OEM specifications.


Your Cylinder, Good As New

Whatever the size or condition of your hydraulic cylinder, Hytec Engineering will refurbish it to its original OEM specifications.

Repairing your hydraulic cylinder can be more cost-effective than purchasing a new one. Hytec Engineering offers a complete turnkey solution, from transport of your cylinder, to complete stripping, inspection, refurbishment and testing.

Our ISO 9001-certified cylinder workshop is geared towards fast turnaround and high-quality workmanship, ensuring minimum disruption to your operations.

  • Complete grinding, inspection, testing, honing, turning, repair and remanufacture
  • 6-month repairs warranty on repairs
  • Temporary service exchange cylinder
  • Test function & leakage up to 800 bar
  • Range of different cylinder finishes available as required
Need a cylinder service? Send us your requirements!

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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 services from Hytec Engineering include repair assessments.

Enquire about our hydraulic cylinder service and refurbishment 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

Your refurbished hydraulic cylinders undergo stringent quality testing before leaving our factory.

Hytec’s Service Exchange Programme supplies you with a temporary replacement for your cylinder while it is repaired.

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

Fully assemble your high-performance hydraulic cylinder with Hytec Engineering’s supply of Naldoni e Biondi cylinder kits.

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

Hydraulic Services


Whatever your target positions and movement parameters, we’ll work with you in optimising your process flow.


Our installation teams will install and commission your assembly system quickly, reliably and conveniently.

Custom Designs

Utilising the latest in CAD design, paired with our 50+ years' experience, we can tailor a hydraulic design to your application

We inspect, test and service according to OEM specification in SABS ISO 9001-certified facilities.


11 July 2024

Bosch Rexroth Africa extends its footprint into Côte d'Ivoire

Bosch Rexroth Africa will be expanding its presence to Côte d'Ivoire

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27 June 2024

Bosch Rexroth partners with first pneumatic specialist to advance ctrlX World

Bosch Rexroth has announced its partnership with SMC.

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20 June 2024

4th YES Programme, a resounding success for Bosch Rexroth Africa

The graduation ceremony for the class of 2023/2024 was held on the 24th of May

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5 June 2024

Hytec SA appoints first female Regional Manager

Hytec SA has appointed Michelle Bruwer as Regional Manager

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Read more of the Group’s latest news here.

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