Three-section gear hydraulic pump FZ Hydraulics cylinder Dynapac LP8500 - splined-conical shaft (4700388223, SC46MIOST)

€1,181.05
Tax included

Specialized triple-section gear hydraulic pump manufactured by FZ Hydraulics.

It features a unique hybrid drive design—the shaft is splined on one side and utilizes a conical drive on the other.

This component is engineered to withstand massive vibratory loads in road construction machinery, offering a perfect fit for Dynapac LP8500 trench rollers.

It provides independent, stable fluid power to multiple working circuits simultaneously.

Direct replacement for OEM part numbers: 4700388223 and PNNN8+3+3D SC46MIOST.

Manufacturer: FZ Hydraulics
Reference number: 4700388223, PNNN8+3+3D SC46MIOST
Fits to:
walec Dynapac LP8500

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The FZ Hydraulics triple-section gear pump is the foundation for the flawless operation of advanced hydraulic systems in soil compaction equipment.

The utilization of a unique, reinforced hybrid shaft—splined on one side and conical on the other—ensures a highly rigid, backlash-free connection with the power unit.

This entirely protects the system from mechanical failures caused by the massive vibrations inherent in the continuous operation of the Dynapac LP8500 trench roller.

Key specifications and target application:

  • Brand: FZ Hydraulics

  • Component type: Triple-section gear hydraulic pump

  • Drive connection: Hybrid shaft (splined profile on one side, conical drive on the other)

  • Compatible road machinery: Dynapac LP8500 vibratory roller 

  • OEM cross-reference codes: 4700388223, PNNN8+3+3D SC46MIOST
  • Construction and function: Three separate pumping sections for simultaneously powering travel motors, vibratory mechanisms, and roller steering systems 

  • Brand

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