Product Overview
The Rexroth 0511645601 / 1517221083 is a high-performance hydraulic external gear motor engineered for reliable rotary actuation in demanding industrial hydraulic systems. Manufactured by Bosch Rexroth, a global leader in drive and control technology, this unit operates on the proven external gear principle, converting hydraulic pressure and flow into mechanical torque and rotational speed. Its robust construction, precision-machined gear set, and high-strength casing make it an ideal solution for continuous-duty applications requiring consistent output, compact installation, and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic External Gear Motor |
| Model Designation | 0511645601 / 1517221083 |
| Operating Pressure | Standard Industrial Grade (Up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
Engineering Features & Advantages
- Precision Performance: Precision-ground external gear teeth ensure smooth, pulsation-minimized torque output and high volumetric efficiency across the operating speed range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with durable bearing journals and a rigid casing that withstands high radial and axial loads.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing drop-in replacement without modification to existing hydraulic circuits.
Typical Industrial Applications
This external gear motor is widely deployed in plastic injection molding machines, metallurgical presses, construction and marine hydraulic drive systems, and CNC machine tool auxiliary circuits where compact, reliable rotary power is required.
PRODUCT IMAGES



REXROTH 0511645601 / 1517221083 Hydraulic External Gear Motor
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 0511645601 / 1517221083 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.