
Is your hydraulic power unit faulty? Is there a loss of power? Is a breakdown imminent?
Repair of hydraulic power units
That’s when it’s time to call in the experts at HOVEN HYDRAULIK. When hydraulic power units no longer operate reliably, lose pressure or fail completely, a professional repair ensures that systems or machines are back up and running in no time.
With over 95 years’ experience in hydraulic engineering, manufacturing and repair, the specialists at HOVEN analyse every unit in detail and restore it to its full performance potential. From precise fault diagnosis and the repair of individual components to complete overhauls, we offer a cost-effective alternative to manufacturing new units.
It goes without saying that all work is carried out in accordance with certified quality processes compliant with DIN EN ISO 9001 and with the technical precision for which HOVEN HYDRAULIK has been renowned for decades. This results in repair solutions that restore hydraulic power units to reliable, efficient and long-lasting operation.

Professional repair of hydraulic power units
Hydraulic power units are at the heart of many machines and systems. If wear, leaks or malfunctions occur, this can quickly lead to production downtime.
HOVEN’s hydraulic power unit repair service includes a comprehensive analysis and overhaul of all relevant components – regardless of the manufacturer, year of manufacture or area of application.
Common faults and repair measures
Various signs of wear and tear or faults may occur during operation. Our specialists can repair, amongst other things:
- Wear on pumps and hydraulic motors
- Faulty valves and control blocks
- Damaged seals and leaks
- Dirty or damaged filter systems
- Problems in the hydraulic oil circuit
- Electrical or control system malfunctions
Through a systematic diagnosis, we quickly identify the causes and develop a cost-effective repair solution.


Scope of our generator set refurbishment
Depending on its condition and operational requirements, the repair of a hydraulic power unit may involve various services:
- Complete dismantling and cleaning of the unit
- Inspection of all components for wear and proper functioning
- Replacement of faulty or worn components
- Overhaul of pumps, valves and hydraulic components
- Optimisation of sealing and filter systems
- Assembly, painting (optional) and final functional testing with a test report
On request, we can also carry out modernisation work or technical modifications to upgrade the unit, with a view to increasing its performance or improving its service life.
Benefits of repairing a hydraulic power unit
A professional repair offers numerous advantages over buying a brand-new replacement:
Reduced downtime
in the event of minor damage, thanks to a quick repair
Costs that are usually significantly lower
compared to manufacturing from scratch
Extended service life
existing facilities
Retrofitting with modern components is possible
efficient and tailored to requirements
more economical and sustainable use of existing systems
This ensures that your hydraulic system remains reliable, sustainable and efficient in the long term.
Repairs for various types of units
Our repair service is suitable for a wide range of industrial hydraulic power units, such as:
- Mechanical and plant engineering
- Mills (e.g. HPGR) and crushers, belt dischargers and circular mixing beds
- Presses, roller presses and forming technology
- Industrial and manufacturing facilities
- Special-purpose machinery and test benches
Thanks to our extensive expertise in hydraulics, even complex systems can be reliably repaired and brought back into service.
Quality and inspection after repair
After repair, every hydraulic unit is thoroughly tested. This includes, amongst other things:
- Functional testing of all assemblies
- Pressure and performance testing
- Leak test
- Inspection of control and regulation components
Inspection of control and regulation components
This is how we ensure that your generator runs reliably and safely again.

Your partner for hydraulic services and repairs
When a hydraulic power unit breaks down, every hour counts. The specialists at HOVEN provide fast and reliable support with the repair of your hydraulic systems.

About Hoven – Technology that makes a difference
Since 1929, Hoven has been synonymous with hydraulic expertise of the highest standard. With around a century of experience, we are now a leading partner in plant engineering, mobile hydraulics, press construction and process engineering. Our strengths: bespoke hydraulic systems, special-purpose cylinders, cylinder repair and recylindering. ISO-certified, with state-of-the-art manufacturing facilities and a strong team of specialists – we stand for technology that moves. By people who want to make a difference.




