Product Overview
The Rexroth 4 WE 6 D62/EG110N9K4 (part number R900908879) is a direct-operated, solenoid-actuated directional spool valve from the proven 4 WE 6 series, engineered for precise control of start, stop, and direction of hydraulic fluid flow in industrial power units. Featuring a spring-centered, three-position four-way (4/3) spool design, this valve uses two wet-pin AC solenoids to shift the spool against centering springs, providing reliable directional control of actuators such as cylinders and motors. The “D62” spool type delivers a specific flow metering characteristic suited to demanding circuit requirements, while the EG110N9K4 solenoid designation indicates a 110 V AC high-performance solenoid with an integrated manual override and standard electrical connection. As a core component in Rexroth’s modular valve program, it serves as a critical interface between the pilot/control layer and the main hydraulic power circuit in complex industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Directional Control Valve (Solenoid Directional Spool Valve) |
| Model Designation | 4 WE 6 D62/EG110N9K4 / R900908879 |
| Spool Configuration | 4/3-way, three-position, spring-centered, “D62” spool type |
| Actuation | Dual wet-pin AC solenoids, 110 V AC (EG110N9K4), with manual override |
| Operating Pressure | Up to 350 bar (ports P, A, B); 160 bar max at port T |
| Nominal Flow Rate | Up to 60 L/min (size 6 nominal flow) |
| Mounting & Connection | ISO 4401-03-02-0-05 / CETOP 3 / NG6 subplate interface; DIN EN 175301-803 electrical connector |
| Seal Material | NBR (N9K4 designation), suitable for mineral oil-based hydraulic fluids |
Engineering Features & Advantages
- Precision Spool Metering: The “D62” spool geometry provides defined flow characteristics and precise metering across all three positions, enabling accurate velocity and directional control of downstream actuators.
- High-Performance Solenoid Actuation: Wet-pin AC solenoids with 110 V AC coils deliver fast, repeatable shifting response and high switching reliability, with integrated manual override for emergency or maintenance operation.
- Spring-Centered Fail-Safe Design: In the de-energized condition, the spool returns to the center position, ensuring predictable and safe system behavior during power loss or fault conditions.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original REXROTH standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
As a core component in Rexroth’s modular valve program, it serves as a critical interface between the pilot/control layer and the main hydraulic power circuit in complex industrial machinery.
PRODUCT IMAGES

REXROTH 4 WE 6 D62/EG110N9K4 / R900908879 Solenoid Directional Spool Valve
⚡ 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 4 WE 6 D62/EG110N9K4 / R900908879 Solenoid Directional Spool Valve. This Germany-made 110V AC hydraulic component features a 4/2-way design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.