Product Overview
The Rexroth A4VG125EP2D1/32R-NAF02F021SH-S (Material Number: 2025826) is a high-performance variable displacement axial piston pump from the renowned Rexroth A4VG series, engineered specifically for closed-circuit hydrostatic transmission systems. Utilizing a robust swashplate design with axial pistons, this pump delivers exceptional power density and precise displacement control for demanding mobile and industrial drive applications. The A4VG125 frame size provides a nominal displacement of 125 cm³/rev, making it an ideal primary pump for hydrostatic drives requiring high pressure, infinite speed variability, and reliable bidirectional operation. Its advanced control module (EP2D1) enables electro-proportional displacement adjustment, ensuring seamless integration into modern electronic machine management systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Piston Pump (Variable Displacement Axial Piston) |
| Model Designation | A4VG125EP2D1/32R-NAF02F021SH-S / 2025826 |
| Nominal Displacement | 125 cm³/rev |
| Operating Pressure | High Pressure Grade (up to 450 bar peak / 400 bar continuous) |
| Control Type | EP2D1 Electro-Proportional Displacement Control |
| Mounting & Connection | Standard SAE / Rexroth Closed-Circuit Interface |
Engineering Features & Advantages
- Precision Performance: Swashplate axial piston design with electro-proportional control (EP2D1) delivers infinitely variable displacement, high volumetric efficiency, and fast dynamic response for closed-loop hydrostatic drives.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened piston/cylinder interfaces and a robust bearing system that ensures long service life even at maximum pressure ratings.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, including the specific mounting flange, shaft, and port configuration denoted by the model code suffix.
- Closed-Circuit Optimized: Integrated charge pump and control valve provisions support efficient cooling and replenishment, minimizing energy loss and heat generation in hydrostatic transmission circuits.
Typical Industrial Applications
This Rexroth A4VG125 axial piston pump is widely deployed in heavy-duty mobile and industrial hydraulic systems, including: hydrostatic drive systems for construction machinery (excavators, wheel loaders, crawler cranes), agricultural and forestry equipment, marine winches and propulsion systems, and industrial test stands or plastic injection molding machines requiring precise closed-loop speed and torque control.
PRODUCT IMAGES
Rexroth A4VG125EP2D1/32R-NAF02F021SH-S / 2025826 Variable Displacement Axial Piston Pump
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH A4VG125EP2D1/32R-NAF02F021SH-S / 2025826 Variable Displacement Axial Piston Pump. This Germany-made high-pressure hydraulic pump features a swashplate design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.