Hydraulic KRR045 Variable Piston Pump, Fully OEM‑Interchangeable Hydraulic Pump
Hydraulic KRR045 Variable Piston Pump, Fully OEM‑Interchangeable Hydraulic Pump
Product Introduction
Runhe Hydraulic KRR045 open‑circuit variable piston pump is fully interchangeable with OEM original units. It features 45cc displacement, LS load‑sensing control, 310‑bar continuous pressure and 400‑bar peak pressure. With identical mounting flange, spline shaft and port dimensions for direct drop‑in installation. Upgraded internal components ensure high volumetric efficiency and long service life for compact construction and agricultural mobile machinery.
Product Summary
KRR045 variable piston pump achieves full OEM interchangeability. Featuring 45cc displacement and LS load‑sensing control, it matches original mounting, shaft and port sizes for straightforward replacement. Optimized internal structures deliver stable performance, offering cost‑effective hydraulic power for compact‑size construction and farm equipment.
Product core parameters
| Parameter | Value |
| Product Series | KRR045 (Swashplate design, axial piston variable pump for open circuits) |
| Displacement (Vg max) | 45 cm³/rev |
| Rotation Direction | R (Clockwise, viewed from shaft end) |
| Nominal Pressure/Maximum Pressure | 310bar/400bar |
| Maximum Speed | 3300 rpm |
| Maximum Flow | 145 L/min |
| Sealing Material | NBR with FKM shaft seal |
| Control Type | LS(Pressure/flow compensator with load-sensing function) |
Product Application
KRR045 piston pump acts as core hydraulic power source for compact mobile equipment. Widely fitted on small loaders, telehandlers, harvesters and road machinery. Designed for open‑circuit hydraulic systems, it performs reliably under harsh working conditions for equipment overhaul and replacement projects.
Company Profile
The following products are available for sale.
| A10VO100FED/31 |
| A10VO45DFR/31 |
| A10VO85DFR1/52 |
| A10VO71DFR1/31 |
| A10VO71DFR1/31 |
| A10VO45LA8DS/53 |
| A10VO45ED72/52 |
| A10VO71DFR1/31 |
| A10VO140DFR1/31 |
| A18VO080DRS00/11 |
| A10VO60ED72/52 |
| A10VO74DFLR/31 |
| A10VO71DFR1/31 |
| A10VO71DFR1/31 |
| A10VO45DFR1/52 |
| A10VO28DFR1/31 |
| A10VO45DFR1/52 |
| A10VO60DFR1/52 |
| A10VO28DFR1/31 |
| A10VO28DFR1/31 |
| A10VO45DFR1/52 |
| A10VO45DR/52 |
| A10VO140DFR1/31 |
| A10VO28DFR1/31 |
| A10VO74DFR1/31 |
| A10VO74DFR1/31 |
| A10VO100DRS/53 |
| A10VO72LA8DS/53 |
| A10VO45ED72/52 |
| A10VO71DFLR/31 |
| A10VO45DRG/52 |
| A10VO100DRS/53 |
| A10VO85DFR/52 |
| A10VO71DFR1/31 |
| A10VO45DR/31 |
| A10VO63DRS/53 |
| A10VO28DRS/53 |
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