REXROTH A4VG28EP4DM1/32R-NSC10N00XEH-S / R902277055

Product Overview

The Rexroth A4VG28EP4DM1/32R-NSC10N00XEH-S (Material Number: R902277055) is a high-performance axial piston variable displacement pump from the renowned A4VG series, engineered for closed-circuit hydrostatic transmissions. Featuring a robust swashplate design, this pump delivers precise variable displacement control, enabling smooth and efficient bidirectional flow for both mobile and industrial drive systems. With a nominal displacement of 28 cm³/rev and a size 32 frame, it is optimized for medium-duty applications requiring high pressure capability, compact installation, and reliable continuous operation. The A4VG series is globally recognized for its exceptional power density, long service life, and advanced control options, making it the preferred choice for demanding hydraulic drive solutions.

Technical Specifications

Parameter	Specification / Feature
Component Type	Axial Piston Variable Displacement Pump
Model Designation	A4VG28EP4DM1/32R-NSC10N00XEH-S / R902277055
Series	A4VG (Closed Circuit)
Nominal Displacement	28 cm³/rev
Frame Size	32
Operating Pressure	Up to 400 bar (nominal), 450 bar (peak)
Control Type	EP4DM1 – Proportional displacement control with integrated pressure cut-off
Mounting & Connection	Standard SAE / ISO flange, splined shaft
Rotation Direction	Clockwise (viewed from shaft end)

Engineering Features & Advantages

Precision Performance: Swashplate design with high-precision axial pistons ensures accurate displacement control, high volumetric efficiency, and smooth operation across the entire speed range.
Advanced Control: EP4DM1 control provides proportional displacement adjustment with integrated pressure cut-off, enabling precise torque and speed regulation in closed-loop hydrostatic transmissions.
Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust bearings and hardened components for extended service life.
Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in replacement without modification.
Compact & Efficient: High power density in a compact frame size, reducing installation space while delivering exceptional performance.

Typical Industrial Applications

This axial piston variable displacement pump is ideal for a wide range of heavy-duty industrial and mobile applications, including: plastic injection molding machines, metallurgical presses, construction and marine hydraulics, CNC machine tools, and other closed

PRODUCT IMAGES

REXROTH A4VG28EP4DM1/32R-NSC10N00XEH-S / R902277055 Axial Piston Variable Displacement Pump

⚡ 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 A4VG28EP4DM1/32R-NSC10N00XEH-S / R902277055 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a swashplate design, delivering high-pressure, reliable fluid power for heavy-duty industrial systems.