KP30 Series Cast Iron Gear Pump | AT431669 | KP30.22 to KP30.41
| Model Number | AT431669 KP30.82D0-06SU-LME/MD-N-HSC |
|---|
Product Description
LIC Hydraulic provides the KP30 Series, a rugged, high-performance solution for heavy-duty hydraulic applications. Engineered with a three-piece cast iron construction, the KP30 series—ranging from KP30.22 to KP30.41—is built to outperform and outlast standard aluminum pumps in high-pressure and high-shock environments. Models like AT431669 are precision-manufactured to meet the rigorous OEM standards of manufacturers like John Deere. With a continuous pressure rating of $28\text{ bar}$ ($4060\text{ PSI}$), these pumps are the definitive heart for heavy machinery in construction, mining, and forestry.
Technical Highlights
Rigid Cast Iron Body: Minimizes internal clearances expansion under high heat and pressure, maintaining peak volumetric efficiency throughout the service life.
High Pressure Capability: Designed for continuous heavy-duty cycles with peak pressures up to $31.5\text{ MPa}$.
OEM Reference: AT431669 is a direct-fit, high-performance replacement for specialized equipment loaders and graders.
Heavy Duty Bearings: Features advanced DU bushings that provide exceptional support for the drive shaft under high radial loads.
Application Areas
Earthmoving: Main or pilot pump for large loaders, dozers, and graders.
Mining: Reliable flow for drilling rigs and material crushers.
Forestry: Powering the high-cycle hydraulic systems of harvesters and forwarders.
Expert Maintenance Tips
Prime Before Startup: Always fill the pump with clean hydraulic fluid through the inlet port before the first run to prevent dry-start wear on the precision-ground gears.
Filtration Integrity: To protect the KP30 internals, maintain oil cleanliness at $ISO\text{ 19/17/14}$. Hard particulates can cause “scoring” on the cast iron wear plates, leading to rapid pressure loss.
Verify Rotation: Ensure the model code (e.g., -L for CCW) matches your engine’s drive rotation. Incorrect rotation will immediately damage the shaft seal and internal compensation plates.
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