Three-section gear hydraulic pump FZ Hydraulics cylinder Dynapac LP8500 - splined-conical shaft (4700388223, SC46MIOST)
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.
12-Month Full Warranty
Same-Day Shipping
14-Day Return Policy
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:
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Brand: FZ Hydraulics
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Component type: Triple-section gear hydraulic pump
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Drive connection: Hybrid shaft (splined profile on one side, conical drive on the other)
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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
"European Agricultural Fund for Rural Development: Europe investing in rural areas.” The operation entitled: “Support for the implementation of operations under the community-led local development strategy” under the measure ‘Support for local development under the LEADER initiative’” , aimed at the Development of the enterprise through investment in the construction of a storage hall, which will allow to increase employment and improve the economic performance of the enterprise, is co-financed by the European Union under the measure “Support for local development under the LEADER initiative” of the Rural Development Program 2014-2020
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