M4D-128-3N00-B502 Vane Motor | 100% Denison Parker Replacement | YHDE
Brand: YIHE
Product origin: China
Delivery time: 5-30days
Supply capacity: 7pcs/5day
High-torque M4D-128-3N00-B502 hydraulic vane motor. 100% interchangeable with Denison Parker. Factory-direct from YHDE with 9+ years of manufacturing expertise. Features 320 bar pressure capability and 100% performance testing. Request a quote for winches and heavy industrial drives!
M4D-128-3N00-B502 Vane Motor | 100% Denison Parker Replacement | YHDE
Stop OEM Lead Times: The Ultimate M4D-128 Solution
In heavy-duty applications like marine winches, construction cranes, or large industrial shredders, a motor failure means a total operational halt. If you are struggling with long lead times or high costs for original Denison Parker units, the YHDE M4D-128-3N00-B502 offers the perfect technical and financial solution.
As a specialized manufacturer based in Foshan with over 9 years of expertise, YHDE produces the M4D series to be a 100% "drop-in" replacement. Our M4D-128 motor matches every original dimension and performance curve, allowing you to restore your system's power without any modifications to piping or mounting.
Why Engineers Trust YHDE M4D Series
Extreme Torque Density: The 128-displacement ring provides the highest torque output in the M4D family, ensuring your heavy loads move smoothly even at low speeds.
Hydraulically Balanced Design: Our precision-machined internal vanes and cam rings balance the internal forces, significantly reducing bearing wear and extending the motor's life.
Built for High Pressure: Engineered to operate reliably at pressures up to 320 bar, making it ideal for modern energy-saving servo-hydraulic systems.
100% Performance Guarantee: Every M4D-128 unit undergoes a rigorous full-load pressure and speed test in our professional facility before shipment to ensure zero-leakage performance.
Technical Parameters
| Parameter | Specification |
| Model Code | M4D-128-3N00-B502 |
| Compatibility | 100% Denison Parker M4D Series |
| Displacement (128) | 401.0 ml/rev |
| Maximum Pressure | 320 bar (4650 PSI) |
| Maximum Speed | 2500 rpm |
| Theoretical Torque | 6.38 Nm/bar |
| Mounting Standard | SAE C 2-Bolt Flange |
| Shaft Type (3) | SAE C Splined Shaft |
| Rotation | Bi-Directional (Reversible) |
YHDE: Your Partner for 2026
Our 2026 strategic goal is to supply the global market with the most reliable compatible hydraulic components. By sourcing directly from our Foshan factory, you eliminate the middleman and gain direct access to our technical support team.
Technical Selection Tip: Unsure if the M4D-128 displacement is optimal for your circuit's volumetric efficiency? Read our deep-dive guide on
Vane Pump & Motor Performance Parameters to verify your calculations.
