Product Overview
The BUCHER HYDRAULICS QXM53-040N (part number 100033176) is a high-performance internal gear motor from the renowned Bucher Hydraulics QXM series. Engineered for demanding industrial applications, this motor operates on the internal gear principle, utilizing a precision-machined inner and outer gear set to convert hydraulic pressure into reliable rotational torque. The QXM series is celebrated for its exceptionally quiet operation, high volumetric efficiency, and robust construction, making it a preferred choice for system designers seeking a compact, durable, and energy-efficient drive solution. With a nominal displacement of 40 cm³/rev, this motor delivers consistent performance across a wide speed range, ensuring precise control and smooth operation in even the most rigorous hydraulic circuits.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Internal Gear Motor |
| Model Designation | QXM53-040N / 100033176 |
| Operating Pressure | Standard Industrial Grade (Up to 280 bar continuous, 315 bar peak) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (SAE or DIN flanged ports) |
| Displacement | 40 cm³/rev (nominal) |
| Speed Range | Up to 3,000 rpm (dependent on pressure and fluid viscosity) |
| Theoretical Torque | Approx. 178 Nm at 280 bar |
Engineering Features & Advantages
- Precision Performance: The internal gear design ensures low pulsation and exceptionally quiet operation, reducing system noise levels and improving operator comfort. High volumetric efficiency minimizes internal leakage, translating to superior torque output and energy savings.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the QXM53-040N features hardened gear components and a robust casing that withstands high pressures and thermal cycling, ensuring a long service life with minimal maintenance.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing for drop-in replacement without modification to existing hydraulic circuits or mounting interfaces.
- Compact & Lightweight: The space-saving internal gear design offers a high power-to-weight ratio, making it ideal for mobile and space-constrained industrial machinery.
- Wide Speed Range: Capable of operating efficiently from low startup speeds to high rotational speeds, providing flexibility in variable-speed drive applications.
Typical Industrial Applications
This internal gear motor is ideally suited for a diverse range of heavy industrial scenarios, including plastic injection molding machines where precise and quiet operation is critical, metallurgical presses requiring high torque and reliability, construction and marine hydraulics demanding durability in harsh environments, and CNC machine tools where smooth, low-pulsation motion is essential for surface finish quality. Its robust design also makes it a perfect fit for fan drives, conveyor systems, and rotary indexing tables in automated production lines.
PRODUCT IMAGES



BUCHER HYDRAULICS QXM53-040N / 100033176 Internal Gear Motor
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- 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 BUCHER HYDRAULICS QXM53-040N / 100033176 Solenoid Directional Valve. This Germany-made 24V DC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.