The new 3-in-1 hydraulic power unit from Knoll: Efficient hydraulic maintenance made easy
Maintaining hydraulic systems is a crucial factor for the performance and longevity of industrial machinery. With the new 3-in-1 hydraulic power unit from Knoll Hydraulik, hydraulic maintenance is now simpler, more efficient, and cleaner. This compact all-rounder will be available from July 2026 – exclusively through authorized partners such as FILCOM GmbH or directly from the manufacturer, Knoll Hydraulik GmbH & Co. KG.
Three functions, one unit
The core of the unit is its multifunctionality. Three key hydraulic maintenance tasks can be performed with just one device:
- Used oil removal: Thanks to a sophisticated ball valve system, used hydraulic oil can be removed quickly and safely. The filter can be bypassed if necessary, allowing the process to proceed without interruption and without risk of damage.
- Bypass filtration during operation: Continuous cleaning of the hydraulic oil protects sensitive components and extends the service life of the entire system. The flow rate can be continuously adjusted via an electric motor. High-quality Hengst filters (3, 6, and 10 µm) and a water separator filter reliably remove contaminants.
- Filtered filling and pre-cleaning of fresh oil: Even during refilling or initial filling, the unit ensures maximum cleanliness. The fresh oil is passed through high-quality filters, removing particles and moisture before filling. This protects the hydraulic system from damage right from the start.

Intelligent Design for Maximum Efficiency
The Knoll 3-in-1 hydraulic power unit impresses not only with its functionality but also with its sophisticated, robust design:
- Quiet, low-maintenance screw pump with strainer filter protection; maximum noise level 65 dB
- Infinitely variable flow rate via electric motor and potentiometer
- High-quality Hengst filters (3-10 µm) with oil drain function and water separation
- Mobile design with ergonomic solid rubber casters
- Sealed flat-face couplings for clean connection
- Maintenance-friendly design with easily replaceable filters
- Optional MP-Filtri particle counter for oil cleanliness monitoring
- Customizable company logo available
The low noise level is particularly noteworthy. The quiet screw pump makes the unit the ideal companion, even in noise-sensitive environments.
One unit for various operating modes
The unit can be used flexibly:
- Filter operation without a particle counter
- Filling operation without filtration
- Filter operation with a particle counter for oil cleanliness monitoring
The intuitive operation, from start-up to safe shutdown, significantly simplifies handling.
Availability and Sales
The 3-in-1 hydraulic power unit from Knoll will be available from July 2026 – exclusively through:
- the authorized distributor FILCOM GmbH
- directly from the manufacturer, Knoll Hydraulik GmbH & Co. KG
Both providers offer comprehensive consulting, support, and service.
CONCLUSION
With the new 3-in-1 hydraulic power unit from Knoll, companies gain a powerful, compact, and versatile tool for hydraulic maintenance. Whether pumping out, bypass filtration, or filtered filling of fresh oil – the unit ensures maximum efficiency, extended system service life, and a clean working environment.
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Versatility meets innovation – secure your unit from July 2026!
Knoll Hydraulik_3-in-1-Aggregat_DE_22.01.26.pdf
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