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XCMG 804403399 Hose Assembly – High-Performance Hydraulic Conduit for Articulated Dump Trucks
2026-08-02
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XCMG 804407430 Hose Assembly – Premium Hydraulic Conduit for Articulated Dump Trucks

Hose Assembly

Hose Assembly

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Рукав в сборе

Conjunto de manguera

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The 804407430 Hose Assembly is a genuine XCMG hydraulic conduit engineered for reliable fluid transfer in steering, braking, and suspension systems on articulated dump trucks. This OEM assembly, identified by part number 804407430, features a high‑grade synthetic rubber inner tube, multiple layers of high‑tensile steel wire reinforcement, and a rugged, abrasion‑resistant outer cover that withstands extreme pressures, continuous flexing, and harsh environmental conditions. Factory‑crimped steel end fittings ensure a leak‑proof seal, making the 804407430 hose assembly a durable replacement component that maintains hydraulic system integrity, reduces downtime, and enhances operator safety in mining, quarrying, and heavy construction operations.

Technical Specifications

Parameter Specification
OEM Number804407430
Product NameHose Assembly (Genuine XCMG)
BrandXCMG
Hose TypeWire‑braided hydraulic, high‑pressure (2‑wire braid)
Inner Tube MaterialOil‑resistant synthetic rubber (NBR)
ReinforcementTwo layers of high‑tensile steel wire braid
Outer Cover MaterialAbrasion‑, ozone‑ and weather‑resistant synthetic rubber (CR)
Hose Inner Diameter12.7 mm (½ inch) nominal
Hose Outer Diameter21.0 mm
Working Pressure280 bar (4060 psi)
Burst Pressure≥ 1120 bar (≥ 16240 psi)
Minimum Bend Radius90 mm (static)
End FittingsSteel, zinc‑plated, 24° cone (DIN 2353) – straight swivel nut both ends
Thread SizeM22 x 1.5 (both ends)
Overall Length (end‑to‑end)720 mm (± 2 mm)
Operating Temperature-40°C to +100°C
Fluid CompatibilityMineral oils, synthetic hydraulic fluids, water‑glycol emulsions
Impulse Life≥ 400,000 cycles (SAE J343)
Compatible ModelsXCMG XDA30, XDA40, XDA45, XDA45U, XDA60, TA30 articulated dump trucks; also suitable for wheel loaders and excavators with matching hydraulic circuits
StandardsISO 9001, SAE J517 (100R2), DIN EN 853, RoHS compliant
Weight (approx.)1.2 kg

Product Overview

The 804407430 Hose Assembly is a precision‑engineered hydraulic conduit designed to transmit pressurised fluid reliably in the demanding operating conditions of XCMG articulated dump trucks.

This genuine XCMG assembly is built to handle the high pressures, shock loads, and constant flexing inherent in steering, braking, and suspension circuits.

Its robust two‑wire braid reinforcement provides exceptional strength and flexibility, while the synthetic rubber inner tube resists oil degradation and maintains a smooth flow path.

The outer cover is engineered to withstand abrasion from road debris, rock impacts, and mud, ensuring long service life in rugged environments.

Factory‑crimped steel end fittings guarantee a leak‑free connection and eliminate the risk of hose blow‑off under pressure.

Each assembly is pressure‑tested before shipment, confirming its integrity and performance.

Critical Role in Hydraulic System Reliability and Safety

Hydraulic hoses are the lifelines of heavy equipment, transmitting power to actuate steering, brakes, and implements. A hose failure can cause sudden loss of control, creating serious safety hazards.

The 804407430 assembly is manufactured to stringent quality standards, delivering consistent performance and reducing the risk of unexpected rupture.

Its high impulse life rating ensures it can withstand the repeated pressure spikes that occur during normal machine operation, such as rapid steering inputs or braking cycles.

By using genuine XCMG hoses, operators maintain the original equipment’s safety margins and performance characteristics, protecting both personnel and machinery.

Regular inspection and timely replacement of hoses is a key preventive maintenance practice that extends the life of pumps, valves, and actuators.

Design and Engineering Excellence

The 804407430 hose assembly is engineered with a focus on pressure capacity, fatigue resistance, and ease of routing.

The two‑wire braid reinforcement is precisely balanced to provide maximum burst strength while allowing the hose to flex in tight installations.

The inner tube is compounded for low friction and high resistance to oil additives, ensuring consistent flow and minimal pressure drop.

The outer cover is designed to resist ozone cracking, UV degradation, and chemical attack from fuels and cleaning agents.

End fittings are machined from high‑grade steel and zinc‑plated for corrosion protection; the swaging process is computer‑controlled for consistent crimp diameter and integrity.

The hose is marked with the OEM number and production batch for traceability and quality assurance.

Advanced Materials and Durability

The 804407430 hose assembly is constructed from premium materials selected for their ability to perform in extreme mining and construction environments.

The NBR inner tube offers excellent resistance to petroleum‑based hydraulic fluids, even at elevated temperatures, preventing swelling and hardening.

The steel wire braid is made from high‑carbon steel with a protective zinc coating, ensuring long‑term corrosion resistance and fatigue strength.

The chloroprene (CR) outer cover provides superior abrasion and weather resistance, maintaining flexibility even in sub‑zero temperatures.

All materials are RoHS compliant, making the hose environmentally safe and suitable for use in regulated mining regions.

Applications in Mining and Construction

The 804407430 hose assembly is widely used on XCMG articulated dump trucks, wheel loaders, excavators, and motor graders for fluid power transmission in steering, braking, suspension, and implement circuits.

It is commonly installed between the steering orbital valve and the steering cylinders, or between the brake valve and the brake actuators.

In underground mining, the hose’s robust cover resists damage from rock falls and abrasive dust, ensuring reliable operation in confined spaces.

Its standard M22 x 1.5 fittings allow for quick, simple replacement using common tools, reducing maintenance time.

The hose’s bend radius and flexibility make it suitable for tight engine bay and chassis routing.

Quality Assurance and Testing

Every 804407430 hose assembly is manufactured in an ISO 9001 certified facility under strict quality control procedures.

Incoming rubber compounds and steel wire are tested for tensile strength, hardness, and adhesion to specification.

During production, the hose is continuously monitored for dimensional accuracy, concentricity, and cover thickness.

After crimping, each assembly is proof‑tested to 100% of working pressure and checked for leakage.

A random sample from each batch undergoes impulse testing per SAE J343, with a minimum of 400,000 cycles at 133% working pressure.

Only hoses that pass all tests are released, guaranteeing performance and reliability.

Compatibility and Fitment

The 804407430 hose assembly is a direct replacement for the original hose on XCMG articulated dump trucks, including XDA30, XDA40, XDA45, XDA45U, XDA60, TA30, AD45, AD60, and many other models.

It is also compatible with various wheel loaders, excavators, and motor graders that use the same hose and fitting configuration.

The M22 x 1.5 thread and 24° cone sealing are standard across many hydraulic systems, simplifying cross‑brand replacement.

For non‑XCMG applications, verify that the working pressure, hose diameter, and end fittings match your requirements.

Always consult your machine’s parts manual to confirm the correct part number before ordering.

Installation and Maintenance Guidelines

Replacing the 804407430 hose assembly requires basic hydraulic tools and cleanliness. Always depressurise the circuit before starting work.

Remove the old hose and carefully note the routing and fitting orientation to avoid twisting the new assembly.

Install the new hose, ensuring no sharp bends or kinks. Tighten the fittings to the recommended torque (35‑40 N·m).

Purge the circuit to remove trapped air, then run the system at low pressure and check for leaks.

During routine inspections, check the hose for abrasion, cracking, or bulging. Replace immediately if any damage is evident.

Maintain a spare hose in stock to minimise downtime during unexpected failures.

Compliance and Safety Standards

The 804407430 hose assembly complies with SAE J517 (100R2) and DIN EN 853 standards for high‑pressure hydraulic hoses.

It meets the impulse test requirements of SAE J343, ensuring long‑term durability under cyclic pressure loading.

All materials are RoHS compliant and free from restricted substances.

Using genuine XCMG hoses ensures compliance with original equipment safety and performance specifications.

Always replace hoses that have exceeded their service life or show any signs of deterioration.

Why Choose Genuine XCMG 804407430?

Aftermarket hoses often use inferior rubber compounds, lower‑grade wire, or imprecise crimping, resulting in premature failure and safety risks.

The genuine 804407430 hose assembly is manufactured to XCMG’s exacting standards, ensuring the correct pressure rating, flexibility, and fitting geometry.

Its proven design and quality materials deliver a long service life, reducing replacement frequency and overall operating costs.

Genuine XCMG parts preserve warranty coverage and maintain the resale value of your equipment.

Choose genuine XCMG for reliability, safety, and peace of mind.

Conclusion

The XCMG 804407430 Hose Assembly is a vital hydraulic component that ensures reliable fluid power transmission on articulated dump trucks and heavy equipment.

Its high‑pressure capacity, robust construction, and durable materials provide dependable performance in the harshest mining and construction environments.

By replacing worn or damaged hoses with genuine XCMG assemblies, you protect critical systems, reduce downtime, and enhance operator safety.

Always source genuine XCMG components from authorised dealers to guarantee authenticity and quality.

Choose the 804407430 hose assembly for dependable hydraulic performance and lasting value.

Invest in genuine XCMG – your partner in reliability and performance.

Hot Sale Genuine XCMG Articulated Dump Truck Parts

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