

Return Filter
Обратный фильтр
Filtro de retorno
The genuine 803485936 Return Filter from XCMG is a high-performance OEM filtration solution designed for the XDA45U articulated dump truck. This filter removes contaminants from hydraulic oil returning to the reservoir, ensuring system cleanliness, reducing component wear, and maximizing uptime in the harshest mining and construction environments.
| Parameter | Specification |
|---|---|
| OEM Number | 803485936 |
| Filter Type | Return-line, spin-on, full-flow |
| Filtration Media | Microglass + synthetic fibre composite |
| Micron Rating (β10≥200) | 10 μm (nominal), 6 μm (absolute) |
| Flow Capacity | 250 L/min (66 US GPM) at 0.5 MPa |
| Max Operating Pressure | 2.0 MPa (290 psi) |
| Burst Pressure | 5.0 MPa (725 psi) |
| Temperature Range | -30°C to +120°C (-22°F to +248°F) |
| Connection Thread | 1-1/4″ – 12 UNF (inlet/outlet) |
| Bypass Valve Cracking Pressure | 0.4 MPa ± 0.05 MPa (58 psi ± 7 psi) |
The 803485936 Return Filter is a state-of-the-art hydraulic filtration component engineered by XCMG for articulated dump trucks, including the XDA45U, DA30, and DA40 series. Featuring a high-efficiency microglass and synthetic fibre composite media, this filter achieves an impressive β10≥200 rating, meaning it removes 99.5% of particles larger than 10 microns and a significant portion of sub-micron contaminants. This level of cleanliness is essential for maintaining the tight tolerances of modern hydraulic pumps, directional valves, and piston motors, directly translating to longer component life, improved efficiency, and reduced downtime. The filter’s full-flow design ensures that every drop of returning oil passes through the media before re-entering the reservoir, providing continuous protection even during peak flow conditions.
Built with a robust steel housing and a spin-on element configuration, the 803485936 is designed for durability and easy maintenance. The housing is coated with a high-temperature epoxy finish that resists corrosion, abrasion, and chemical attack from hydraulic fluids and environmental contaminants. The spin-on design allows for fast element changes without specialized tools – simply unscrew the old unit, lubricate the new seal, and hand-tighten to the specified torque. A built-in bypass valve (set at 0.4 MPa) ensures oil flow continuity if the element becomes clogged, preventing pump cavitation and system starvation, while a visual clogging indicator on the housing provides a clear signal when replacement is due, eliminating guesswork and optimizing service intervals.
Installation of the 803485936 is straightforward, with standard 1-1/4″ – 12 UNF threads that match the original factory ports on XCMG’s articulated truck range. The filter’s compact dimensions and 90-degree mounting orientation allow for easy access in cramped engine compartments, reducing service time and minimizing the risk of spills. Each unit is pre-lubricated and sealed in a protective bag to ensure media integrity during storage and transport. Detailed installation instructions, including torque values for the housing and bypass valve settings, are provided, enabling any trained technician to complete a replacement in under 20 minutes – a significant time saving compared to servicing more complex canister-type filters.
Performance validation of the 803485936 is conducted in accordance with ISO 16889 multi-pass testing, confirming its superior dirt-holding capacity and low pressure drop characteristics. The depth-loading media traps particles throughout its thickness, rather than just on the surface, which extends service life significantly – field data indicates an average replacement interval of 2,500 operating hours under normal conditions. The media also incorporates a water-resistant treatment that helps separate emulsified water from the oil, reducing corrosion risks in the reservoir and downstream components. For operators in humid or wet environments, this feature is particularly valuable, as it helps maintain oil quality between scheduled changes.
When compared to aftermarket alternatives, the 803485936 stands out for its consistent quality and precise engineering. Generic filters often use lower-grade cellulose media with poor beta ratios, allowing harmful particles to pass through and accelerate wear. Many also lack proper bypass valve calibration, leading to either premature bypassing (reducing filtration) or excessive pressure drops that rob the system of efficiency. The OEM filter is manufactured to exacting tolerances, with every unit tested for flow resistance, burst pressure, and media integrity before leaving the factory. This ensures that your hydraulic system receives the protection it was designed for, with no compromises on performance or reliability.
Routine maintenance of the 803485936 is simplified by the included visual clogging indicator – a red pin that extends when the element reaches its maximum contaminant capacity. This feature allows operators to replace the filter only when necessary, avoiding unnecessary changes that waste money and time. For fleets employing oil analysis programs, the filter’s design includes a sampling port on the inlet side, enabling easy extraction of fluid samples for laboratory testing. This proactive approach to condition monitoring can identify emerging issues before they lead to catastrophic failures, further enhancing the value of using genuine filtration components.
The environmental benefits of the 803485936 are also noteworthy. The filter element is constructed from recyclable materials, and its long service life reduces the frequency of element disposal. Additionally, by keeping hydraulic oil clean, the filter extends the useful life of the oil itself, reducing the volume of waste oil generated over the machine’s lifetime. For operators committed to sustainability, choosing this high-quality return filter is a responsible step that aligns with both operational efficiency and environmental stewardship. The reduction in oil changes also means less downtime and lower disposal costs, contributing to a better bottom line.
In summary, the 803485936 Return Filter is an indispensable component for maintaining the health and performance of XCMG articulated dump trucks. Its advanced media, robust construction, and user-friendly design make it a superior choice for filtration in the most demanding applications. Whether you are performing scheduled maintenance or responding to a contamination event, this filter ensures that your hydraulic system operates with the cleanest possible oil, extending component life and maximizing machine availability. Invest in the genuine article to keep your fleet running at peak productivity, shift after shift, in the toughest conditions around the globe.