Hydraulic Cylinder Repairs

Hytec Engineering, a Bosch Rexroth Africa company, repairs and refurbishes all types of hydraulic cylinders to OEM specifications. It is Africa's only hydraulic cylinder company with a complete in-house offering that provides hydraulic cylinder repairs. They also conduct hydraulic cylinder inspections, design, grinding, testing, repairing, honing, and turning – all under one roof.

Your Hydraulic Cylinder Repaired As Good As New

Whatever the size or condition of your hydraulic cylinder, we refurbish it to original OEM specifications. We design, manufacture, repair and test hydraulic cylinders in our 400 m² production headquarters in Johannesburg, and conduct hydraulic cylinder rebuilds when required. Our test rigs allow for hydraulic cylinder pressure testing for function and leakages up to 800 bar, as well as mid-stroke bypass testing.

All hydraulic cylinder repairs conform to SABS ISO 9001:2000 quality standards and are geared towards a fast turnaround and high-quality workmanship to ensure minimal disruption to your operations. For accurate measurements, our equipment for hydraulic cylinder repairs is calibrated by SANAS-accredited laboratories.

  • Complete grinding, inspection, testing, honing, turning, repair & remanufacture
  • 6-month repairs warranty
  • Temporary service exchange cylinders
  • Test function & leakage up to 800 bar
  • Range of different cylinder finishes available
Need a hydraulic cylinder refurbishment, repair or service? Send us your requirements. contact Bosch Rexroth Africa today

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Our hydraulic cylinders successfully are used in and repaired for these industries




Power Generation





Science & Research

Hytec Engineering has delivered holistic design, manufacture, repair and testing of hydraulic cylinders since 1972.

Our hydraulic cylinder service offering consists of:

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 hydraulic cylinder repair 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.

We have the equipment to accurately assess your cylinder before carrying out repairs for the best hydraulic cylinder repair cost.

Hytec Engineering refurbishes and rebuilds hydraulic cylinders

Service & Refurbishment

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

With grinding, honing and turning equipment in-house, we offer a fast and efficient hydraulic cylinder service. Our hydraulic cylinder repair service 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 1m CNC lathes Machining centres and milling


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

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 up to 450 mm bore Tests to a pressure of 420 bar with a max. stroke length of 6m Offers testing accuracy of 0.1 mm

We repair cylinders to pass the most comprehensive testing on the market

 We also offer hydraulic shaft repair on your cylinder while you continue with a replacement cylinder.

Our Service Exchange Programme

Hytec Engineering has an extensive stockholding of refurbished cylinders, which it supplies as a temporary replacement which drastically reduces your downtime when in need of hydraulic cylinder repairs or services.

The hydraulic cylinder exchange includes a repair programme. Hydraulic cylinders entered into this programme are cleaned, stripped and assessed before highly experienced engineers refurbish them to OEM standards. This service is available for damaged cylinders as well as fully-functioning units.

The Programme is a component replacement system that supplies refurbished units with a one-year warranty, subsequent to Hytec Engineering refurbishing returned equipment to factory specifications. This means making use of our Service Exchange Programme results in faster turnaround times on hydraulic cylinder repairs.

Cylinder Kits

Repair hydraulic cylinders easily. Available from Hytec Engineering, Naldoni e Biondi Cylinder Kits are designed for OEMs with unique requirements and remote customers that do not or cannot rely on outsourced support for hydraulic cylinder repairs.

Cylinder kits from Naldoni e Biondi consist of different heads, pistons, piston seals, end plugs, nuts, ports, and seals, everything you need to assemble your cylinder.

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

If you cannot find places that rebuild hydraulic cylinders near you, our Naldoni e Biondi Cylinder Kits are for you.

Complete the Enquiry Form or Contact Hytec Engineering today on +27 11 387 1900 for detailed information.

Bosch Rexroth Certified Service Centre of Competence

We’re the only Bosch Rexroth Certified Service Centre of Competence in Africa, ensuring 100% OEM-compliant hydraulic repairs through various ISO-accredited workshops.

We’ve invested in various state-of-the-art hydraulic repair machines, from cylinder and servo test benches. We utilise the Bosch Rexroth globally standardising test control system, Cadasys, to ensure all hydraulic repairs are compliant within OEM-specification.

The Bosch Rexroth Certified Service Centre of Competence (CSC-C) accreditation certifies that our service centre has the processes, infrastructure, qualification and management abilities to perform hydraulic repairs and service work to the quality standards specified by the Bosch Rexroth Service Centre Grades.

The accreditation audits the facility’s ability to conduct hydraulic repairs and services of pumps and motors, hydraulic valves, controls, mobile gears, standard and large hydraulic cylinders and electronics.

Hydraulic cylinders repaired for use across Africa

Hytec Engineering offers holistic design, manufacture, repair, testing, service and maintenance of hydraulic cylinders in Africa with 40 branches and service centres!

Africa remains primarily an end-user market where service, hydraulic repair and customisation represent a major share of business partnerships. Hytec Engineering keeps your hydraulics operating – no matter where you are. Our industrial hydraulic cylinder repair service covers:

  • Hydraulic piston repair
  • Hydraulic cylinder rod repair
  • Hydraulic cylinder seal replacement
  • Hydraulic cylinder replacement
  • Mobile hydraulic cylinder repair
  • Repack hydraulic cylinder
  • Specialised cylinder repairs
  • Hydraulic cylinder repair equipment
  • Hydraulic seal repair
  • Hydraulic cylinder chroming
  • Hydraulic cylinder shaft repair
  • Hydraulic cylinder overhaul
  • Hydraulic cylinder seal repair
  • Hydraulic cylinder scratch repair
  • Hydraulic cylinder leak repair
  • Hydraulic cylinder bushing replacement
  • Fixing hydraulic cylinders
  • Hydraulic cylinder reconditioning
  • Cylinder rod repair
  • Hydraulic cylinder remanufacturing
  • Replacing hydraulic seals

Hytec Engineering is your turnkey hydraulic cylinder repair specialist. Complete the enquiry form for more details on hydraulic cylinder repair offering.


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27 June 2024

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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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