Hose Assembly
Шланг в сборе
Conjunto de manguera
The XCMG 804403122 Hose Assembly is a premium hydraulic conduit engineered for reliable fluid transfer in XCMG articulated dump trucks, wheel loaders, and excavators. With OEM number 804403122, this hose assembly ensures leak‑free performance under extreme pressures, vibration, and thermal cycling, making it a critical component for maintaining hydraulic system integrity in mining, construction, and quarrying operations. Its robust construction and factory-crimped fittings guarantee a direct replacement that restores original equipment performance and safety.
The 804403122 Hose Assembly features a synthetic rubber inner tube reinforced with high‑tensile steel wire braids, providing exceptional burst strength and impulse resistance. The outer cover is oil- and abrasion-resistant, protecting against ozone, UV, and mechanical wear. Factory-crimped end fittings match OEM port configurations, ensuring a perfect fit and eliminating leak paths. This genuine XCMG part is tested to withstand the harshest off‑road conditions, from mining sites to construction zones, delivering consistent performance over thousands of operating hours.
Whether used in steering circuits, brake actuators, suspension systems, or cooling loops, the XCMG hose assembly delivers consistent, dependable performance. Replacing a worn or damaged hose with the 804403122 part restores system integrity, reduces downtime, and extends the service life of your hydraulic components, making it a smart investment for any fleet maintenance program.
| Parameter | Specification / Value |
|---|---|
| OEM Number | 804403122 |
| Product Name | Hose Assembly |
| Brand | XCMG |
| Inner Tube Material | Synthetic rubber (NBR) – oil and fluid resistant |
| Reinforcement | Two layers of high‑tensile steel wire braid |
| Outer Cover | Oil‑ and abrasion‑resistant synthetic rubber (CR/EPDM) |
| Hose Inner Diameter | 12.7 mm (1/2 inch) |
| Overall Length | 900 mm (custom lengths available) |
| Working Pressure | 250 bar (3,625 psi) |
| Burst Pressure | ≥ 1,000 bar (14,500 psi) |
| Minimum Bend Radius | 100 mm |
| Operating Temperature | -40°C to +120°C |
| End Fittings | Steel, zinc‑plated, crimped – straight / angled options |
| Thread Type | SAE J514 / ISO 8434‑2 (O‑ring face seal) |
| Compatible Models | XCMG DA30, DA40, XDA40, DA45 and XDA series |
| Application | Hydraulic steering, brake, suspension, and coolant lines |
The 804403122 Hose Assembly is a vital fluid power component used across XCMG articulated dump trucks to transmit hydraulic oil, brake fluid, and coolant under high pressure. Its flexible design accommodates relative motion between the cab, chassis, and articulation joint, ensuring uninterrupted flow even as the machine articulates over uneven terrain. This hose assembly is engineered to deliver consistent performance over thousands of operating hours, significantly reducing the risk of downtime caused by hose failure.
Manufactured to the exacting standards of XCMG’s original equipment, this hose assembly features a precision-length hose with factory-crimped end fittings that match the port configurations of the truck’s hydraulic system. This ensures a drop‑in replacement that saves installation time and eliminates assembly errors. The hose’s inner tube is compatible with a wide range of hydraulic and synthetic fluids, making it versatile for multiple applications across the vehicle. Its robust construction resists pressure spikes, temperature extremes, and mechanical abrasion, ensuring long‑term reliability.
As a genuine XCMG part, the 804403122 assembly undergoes rigorous pressure and impulse testing to guarantee a long service life. Replacing a worn or damaged hose with this OEM component restores original system performance, enhances safety, and reduces the total cost of ownership. Whether installed in steering circuits, brake lines, suspension systems, or cooling loops, this hose assembly is essential for maintaining reliable fluid power in the most challenging off‑road conditions.
Its ability to withstand high pressures and harsh environments makes it a preferred choice for fleet operators who demand maximum uptime and operational efficiency.
The 804403122 hose assembly is distinguished by its high‑quality material selection and precision manufacturing. The synthetic rubber inner tube is formulated to resist swelling and degradation when exposed to hydraulic fluids, engine oils, and coolants, ensuring long‑term compatibility and performance. Its smooth bore minimizes flow restriction and reduces pressure drop, maintaining system efficiency even under high flow rates.
The reinforcement consists of two layers of high‑tensile steel wire braid, providing exceptional burst strength and impulse resistance. This construction allows the hose to withstand high‑pressure spikes common in hydraulic systems, reducing the risk of catastrophic failure and unplanned downtime. The outer cover is manufactured from oil‑ and abrasion‑resistant rubber that protects against ozone, UV radiation, and mechanical wear. Its tough, durable surface resists cuts, scuffs, and weather cracking, ensuring long‑lasting protection.
The end fittings are made from high‑grade steel, zinc‑plated for corrosion resistance, and crimped using a specialized process that guarantees a secure, leak‑proof connection. Each assembly is pressure‑tested before shipment, guaranteeing its integrity and performance right out of the box. The hose is also marked with the OEM part number for easy identification, simplifying inventory management.
Additionally, the hose is available in various lengths and fitting angles to suit different routing needs, providing flexibility for custom installations.
Replacing aging or damaged hoses with the genuine XCMG 804403122 assembly restores full fluid flow and pressure, eliminating leaks and performance degradation. This results in more responsive steering, consistent braking, and smoother suspension operation, directly improving machine control and operator comfort. The hose’s high working pressure rating of 250 bar ensures it can handle the demands of modern high‑pressure systems, reducing the risk of downtime due to hose burst.
Its excellent flexibility allows it to route through tight spaces with a minimum bend radius of 100 mm, simplifying installation and reducing strain on fittings. By preventing fluid leaks, the hose assembly also helps maintain clean working environments and reduces fluid consumption, lowering operational costs. The durable outer cover resists abrasion from road debris and chassis contact, extending service intervals and reducing maintenance frequency.
The hose’s impulse resistance ensures it withstands pressure fluctuations without fatigue failure, providing consistent performance over the long term. This reliability translates into higher machine availability, improved safety, and a lower total cost of ownership. Operators will notice enhanced machine responsiveness and reduced downtime, leading to greater productivity on the job site.
Ultimately, the 804403122 hose assembly contributes to better fuel efficiency by maintaining optimal hydraulic system performance, making it a smart investment for any fleet.
The 804403122 hose assembly is used extensively across XCMG articulated dump truck models, including the DA30, DA40, XDA40, and DA45 series. It is commonly installed in hydraulic steering circuits, where it transmits high‑pressure oil from the pump to the steering cylinders, enabling precise directional control even in tight loading areas. In braking systems, the hose connects the master cylinder to the brake actuators, providing reliable pressure transmission for safe stopping power.
In suspension applications, the hose links the height control valves to the accumulators, allowing for dynamic load leveling and ride comfort. The hose is also used in coolant lines for engine and transmission cooling, where its heat resistance is critical for maintaining optimal operating temperatures. Its versatility makes it a valuable spare part for a wide range of fluid power applications beyond original fitment, simplifying inventory management for fleet operators.
The hose’s ability to handle multiple fluid types, including mineral oils, synthetic esters, and biodegradable fluids, makes it suitable for environmentally sensitive operations. By stocking the 804403122 assembly, fleet managers can quickly address hose failures across multiple machine types, reducing downtime and ensuring rapid repairs.
Its robust design and reliable performance make it a trusted component in the most demanding off‑highway environments.
XCMG employs stringent quality controls in the production of the 804403122 hose assembly. Raw materials, including rubber compounds and steel wire, are sourced from approved suppliers and tested for compliance with automotive and industrial standards. The hose is manufactured using advanced extrusion and braiding machinery, ensuring uniform wall thickness and consistent reinforcement coverage.
The crimping process is computer‑controlled to achieve the optimal compression of the fitting onto the hose, preventing leaks and blow‑offs under pressure. Each assembly is subjected to a hydrostatic pressure test at 1.5 times the working pressure to verify its burst strength and seal integrity. A percentage of production is also impulse‑tested to simulate millions of pressure cycles, confirming fatigue resistance and long‑term reliability.
The outer cover is tested for abrasion resistance, ozone aging, and weathering to ensure it maintains its protective properties over the hose’s service life. With XCMG’s commitment to quality, the 804403122 hose assembly delivers consistent, dependable performance in the harshest environments, reducing the total cost of ownership and providing peace of mind for fleet operators.
Every hose is traceable and backed by XCMG’s comprehensive quality management system, ensuring full accountability and support.
Installing the 804403122 hose assembly is straightforward and requires basic hand tools. Begin by relieving system pressure and draining any residual fluid. Carefully remove the old hose, noting the routing and orientation of fittings. Install the new hose, ensuring it does not twist or kink, and tighten the fittings to the manufacturer’s recommended torque specifications.
After installation, refill the system with the appropriate fluid, bleed any air from the circuit, and check for leaks under operating pressure. Inspect the hose regularly for signs of chafing, cracking, swelling, or cover damage. Replace the hose immediately if any damage is found. To maximize service life, avoid routing the hose near sharp edges or heat sources. Use protective sleeving or clamps where necessary to prevent abrasion.
Always use genuine XCMG replacement hoses to ensure proper fit and performance. When removing the hose, use a proper wrench on the fitting hex flats to avoid rounding. Clean the ports before installing a new hose to prevent contamination. Following these guidelines will help maintain system integrity and prevent costly failures.
Proper installation and regular maintenance are key to extending the service life of both the hose and the hydraulic system.
The 804403122 hose assembly is specifically designed for XCMG articulated dump trucks and is a direct replacement for the original hose. It matches the exact length, diameter, and fitting configurations, ensuring a drop‑in fit without modifications. While the assembly is optimized for XCMG equipment, its standard SAE fittings and common hose dimensions may allow it to be used in other heavy machinery with similar requirements.
However, for guaranteed performance and warranty compliance, XCMG recommends using this part only in its intended applications. Fleet operators can simplify inventory management by stocking this hose assembly for multiple DA‑series trucks, as it is used across several models. Always verify the specific hose length and fitting angle required for your machine by consulting the XCMG parts catalog.
Using genuine XCMG parts ensures optimal fit, function, and long‑term reliability. The hose is also compatible with standard hydraulic fluids and seal materials, providing flexibility for maintenance teams. Cross‑referencing with other manufacturers is possible, but the XCMG part ensures original equipment quality.
For critical hydraulic circuits, always prioritize genuine OEM components to avoid potential system failures.
Investing in the genuine XCMG 804403122 hose assembly is a cost‑effective decision that prevents fluid leaks, which can lead to reduced system efficiency, environmental cleanup costs, and component damage. The hose’s durable construction extends its service life, reducing replacement frequency and associated labor costs. Compared to generic or re‑crimped hoses, the XCMG assembly offers superior quality control and material specifications, ensuring consistent performance and reliability.
The factory‑crimped fittings eliminate the risk of incorrect assembly that could cause premature failure and costly downtime. By maintaining leak‑free connections, the hose assembly also reduces fluid consumption and prevents contamination, saving on fluid costs and filter replacements. The improved system efficiency translates into fuel savings and higher productivity across the fleet.
Choosing XCMG genuine parts is a wise long‑term investment that maximizes fleet uptime and profitability. With its robust design and proven reliability, the 804403122 hose assembly delivers exceptional value for money, making it an indispensable part of any preventive maintenance program. Proactively replacing aging hoses avoids unexpected failures and ensures your equipment remains in peak condition.
Additionally, using genuine XCMG parts helps maintain the resale value of your equipment, as buyers recognize the quality and care put into maintenance.
The XCMG 804403122 hose assembly is a premium‑quality fluid conduit that ensures dependable performance in the most challenging off‑road environments. Its robust construction, precision engineering, and strict quality control make it an essential component for maintaining the hydraulic and pneumatic systems of articulated dump trucks. By choosing this genuine OEM part, you secure a perfect fit, consistent performance, and a long service life.
The hose assembly’s ability to withstand high pressures, extreme temperatures, and mechanical stress reduces downtime and lowers maintenance costs, enhancing overall productivity. Don’t compromise on fluid system integrity. Equip your XCMG truck with the 804403122 hose assembly and experience the reliability that comes with genuine quality.
Keep your fleet operating at peak efficiency with XCMG genuine components. The 804403122 hose assembly is your guarantee of secure, leak‑free fluid transfer for years to come.
Upgrade your maintenance inventory with the XCMG 804403122 hose assembly and ensure your articulated dump trucks remain in top condition. Trust XCMG for all your hydraulic connection needs – your partner in durability and performance.
For more information or to place an order, rely on your local XCMG dealer or visit our official channels.
