Production & Delivery
15-30 Days Production Lead Time



High-performance P51 series cast iron external gear pump featuring a 104.5 cc/rev displacement and bidirectional rotation, designed for heavy-duty industrial and mobile hydraulic applications requiring robust durability and efficient power transmission.
| P51 Series Hydraulic Gear Pump Parameters | |
|---|---|
| Displacement | 104.5 cc/rev, 21 cc/rev, 41.8 cc/rev, 52.3 cc/rev, 62.7 cc/rev, 64.6 cc/rev |
| Rated Pressure | 16 MPa (2320 psi) |
| Max Pressure | 17 MPa (2465 psi) |
| Rated Speed | 2200 r/min |
| Max Speed | 2400 r/min |
| Rotation | /: (Bidirectional) |
| Material | Cast Iron |
| Structure | External Gear Pump |
| Flange Version | A-Oval Flange, ISO-4 Mounting Holes, SAE Flange |
| Shaft Type | X: Involute Spline |
The P51A646TEYR25-25 is a premium-grade external gear pump engineered for demanding environments. Constructed from high-strength cast iron, it offers superior wear resistance and long service life compared to aluminum alternatives. Key features include: 1. Versatile Performance: Support for bidirectional rotation (clockwise and counter-clockwise) simplifies inventory and installation. 2. Robust Specifications: Delivers a displacement of 104.5 cc/rev with a maximum pressure rating of 17 MPa (2465 psi) and speeds up to 2400 r/min. 3. Standardized Mounting: Equipped with an SAE-A oval flange and an involute spline shaft for seamless integration into existing systems. 4. Application Versatility: Ideal for material handling (forklifts), construction machinery (loaders/graders), and waste management vehicles (compactors/hook-loaders). As a leading manufacturer, we provide OEM, ODM, and custom manufacturing services to global distributors and wholesalers, ensuring reliable hydraulic solutions with competitive factory pricing.



