Road construction machinery

From the components to the system, whether hydraulics, electronics or mechanics, providing you with the best solution is our challenge.

  • Comprehensive machine know-how
  • Increase in ease of use through reduced vibration and noise 
  • Improved operability through optimized design and linking of components
  • Increased operating safety through reduction of interfaces
  • Integration of reliable electronic components and systems
  • Cost optimization through reductions in the diversity of variants with standard components and modular assembly
  • Active co-operation in close development partnership
  • Worldwide technical and commercial support through our global presence and local competence

Sensors and system electronics

Generate modern control concepts with HYDAC sensors, electronics or as an overall concept ready for installation.

  • Sensors for monitoring, control and Condition Monitoring

    • Pressure
    • Temperature
    • Fill level
    • Flow rate
    • Oil condition / ageing
    • Particle contamination

  • Electronics
  • Customer requirements
  • Application examples:

    • Load spectra
    • Condition Monitoring
    • Safety system
    • Load limitation
    • Function control
    • Energy management

Accumulator technology

Storage of all functional principles for each application:

  • Energy storage
  • Resource-saving accumulator charging systems in fixed displacement pump circuit
  • Compensation function in hydraulic spring-loaded pressing systems
  • Reaction damping of functions
  • Pulsation minimization / elimination

Control, working and auxiliary hydraulics

Controls as a complete package
Hydraulics, sensors, electronics and software available from one source or as individual components.

The HYFLEK modular system for flexible design of complex controls up to approx. 130l/min. All standard hydraulic concepts can be realized: constant volumes, load-sensing etc.

  • Construction design as monoblock, monoblock with interface (HYDAC interface) and segment construction
  • Setting functions with and without load pickup
  • Main consumer in parallel or series switching,
  • Easy integration

    • of secondary functions
    • a priority valve for steering, braking (Open Center or load   sensing)
    • of accumulator load switchings
    • of pressure filters and sensors
    • of level control
    • of other function and control modules

Tank-filter solutions

Complete systems, ready for installation,optimized with reference to component protection, system cleanliness and ventilation.  

Filtration solutions

A comprehensive range of hydraulic and ventilation filters equipped with high-quality filter element materials ensure high operating safety and long maintenance intervals, for example:

  • Return / return suction filtration using the RFM and RKM filters (optional with temperature bypass valves integrated into the head); tank-mounted or tank-integrated filters
  • Feed circuit filtration with steering filter LPF
  • Pressure filtration with line filter MFM
  • Transmission oil filtration Suction filter for transmission and hydraulic oil
  • Removal of coarse particles with Inline Filter ILF
  • Air filtration with ventilation filters BF, ELF, ELFL, BD: wide standard range of products, optional with duo valve for tank pre-tension, anti-swash protection possible, version with air drying function
  • Filter clogging indicators for the improvement of operating safety and, if applicable, display of maintenance intervals.
  • Brand labeling to ensure availability of spare parts  Marking of the filter elements for improvement of the product identification and to ensure replacement element availability

Cooling systems

High-power and installation-optimized cooling systems are available for fulfillment of the legal requirements for noise, emissions (EURO 4, TIER 3) and savings in fuel.

  • Integrated thermo-bypass valves
  • Electric / hydraulic drives with proportional speed control available
  • Multiple combination cooling systems available.

Emergency steering pump kit

Should the power supply for the steering system fail, the vehicle can be brought safely to a halt.

Diesel tanking pump kit

Filling the fuel tank is possible on the vehicle independent of a stationary tanking system.

Cabin suspension

The FDE spring damper element is a standard element for hydropneumatic suspension of the vehicle cabins with adaptive damping and level regulation for full utilization of the spring deflection. The extremely low-friction suspension cylinder especially developed for this application has been designed for loads of up to 300 kg. The system alignment can be carried out to specific customer requirements.

Accessories

for the completion of hydraulic systems:

  • Filling level indicators and controls, if required with integrated electronic sensors for specific connection to customer software.
  • Fixing elements for components and lines
  • Ball valves as construction elements or in vehicle-specific combinations
  • Excavators
  • Wheel loaders
  • Telescopic loaders
  • Road construction machinery
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