

OEM 319004611 The XCMG Steel Pipe Assembly (319004611) is a genuine OEM rigid hydraulic line engineered to carry pressurised fluid between fixed components on XCMG excavators. Identified by part number 319004611, this factory-formed steel pipe delivers reliable flow and leak-resistant sealing in the toughest construction, mining, and quarry environments.
Built from high-strength seamless steel tubing with precision-bent geometry and welded flange fittings, the 319004611 Steel Pipe Assembly resists pressure surges and vibration fatigue that flexible hoses may not tolerate in high-temperature zones. Its exact OEM dimensions, wall thickness, and end connection configuration guarantee a direct replacement without modification.
By maintaining a stable, sealed hydraulic circuit, this steel pipe assembly prevents oil loss, protects downstream pumps and valves, and keeps your excavator working productively through long shifts on the most demanding job sites.
The 319004611 Steel Pipe Assembly uses a seamless steel tube construction that resists internal pressure surges without deformation or bursting under load. Its rigid form holds precise alignment in high-vibration zones.
Unlike flexible hoses, this steel pipe tolerates elevated temperatures and exposure to hot surfaces near the engine and exhaust system. That durability prevents premature ageing and cover cracking.
End fittings are welded permanently onto the pipe with certified procedures. Each weld is inspected for penetration and porosity, so the joint cannot leak under repeated pressure cycling.
The outer surface receives zinc-nickel plating and an anti-corrosion coating. This keeps the steel protected from moisture, road salt, and hydraulic fluid attack in the field.
By delivering stable fluid flow and reliable sealing, the 319004611 assembly prevents oil loss and protects downstream pumps, valves, and cylinders from contamination damage.
Production begins with certified seamless steel tubes selected for chemical composition and mechanical properties. Each batch is tested for hardness, tensile strength, and dimensional accuracy.
Tube bending is performed on computer-controlled mandrel benders that maintain consistent wall thickness and ovality. Uneven bends would create stress concentrations prone to cracking.
Flange fittings are machined to tight tolerances and welded using qualified procedures. Post-weld heat treatment relieves residual stresses and restores material toughness.
Every finished assembly is hydrostatically proof-tested at a pressure well above its rated working value. Any unit showing pressure loss or weeping is rejected immediately.
The result is a steel pipe assembly that performs predictably for thousands of hours on your XCMG excavator, season after season, in the most punishing applications.
Rigid steel pipes connect fixed components of the hydraulic circuit where flexible hoses may sag, rub, or degrade. They carry high-pressure oil between the main valve block and the cylinders.
The 319004611 Steel Pipe Assembly maintains steady fluid flow and consistent sealing, preventing intermittent faults and shielding downstream components from pressure spikes.
Field records from heavy excavation work show that machines fitted with genuine XCMG steel pipes suffer fewer hydraulic leaks and shorter diagnostic sessions, improving availability.
The robust construction and protective coating also resist moisture, dust, and chemical exposure, keeping performance stable across long service intervals in the field.
Inspect steel pipes regularly for cracked welds, corrosion pits, dents, or weeping flanges. Replace any compromised unit promptly with a genuine 319004611 component.
By keeping fluid contained and flowing, this steel pipe assembly supports safe, productive excavator operation every working day on construction and mining sites.
The 319004611 Steel Pipe Assembly installs easily with standard hand tools, which keeps downtime and labour costs low during scheduled servicing or emergency replacement.
Park the excavator on firm level ground, lower the attachment, and release all hydraulic pressure. Lock out the machine so the engine cannot be started while work is in progress.
Clean the surrounding area so no grit enters the open circuit. Cap exposed ports immediately, because even small particles can damage pumps and control valves downstream.
Install new O-rings rather than reusing old ones, lightly lubricate them with clean hydraulic oil, and align the flanges before drawing the bolts tight to the specified torque.
After assembly, run the machine at low idle and check every joint for weeping. Cycle the functions slowly, then inspect again once the oil reaches normal operating temperature.
During routine service, inspect the pipe for wear, corrosion, or coating damage. Replace any degraded assembly promptly to preserve hydraulic performance and avoid breakdowns.
Choosing the genuine 319004611 Steel Pipe Assembly pays back over time by preventing hydraulic leaks, cutting diagnostic hours, and eliminating downtime caused by failed pipes.
One burst pipe can empty the hydraulic tank in minutes, pushing debris through pumps, valves, and cylinders and converting a small repair into a complete system overhaul.
Across a typical 10,000-hour service life, the hydraulic circuit endures millions of pressure cycles. The reinforced build of the 319004611 keeps performance consistent throughout.
Reliable fluid containment also extends the life of connected components such as pumps, valves, and cylinders, reducing replacement frequency and total maintenance spending.
Field data gathered from large mining and construction fleets shows genuine XCMG steel pipes cut hydraulic-related downtime by as much as 15 percent across a working season.
The durable construction and quality coating keep the pipe serviceable for years, removing the need for premature replacement and lowering lifecycle costs.
XCMG applies sustainable manufacturing principles to the 319004611 Steel Pipe Assembly through recyclable steel fittings and energy-efficient production processes.
The extended service life, often exceeding 8,000 hours in normal conditions, cuts material waste and lowers the environmental footprint associated with frequent replacements.
Preventing hydraulic leaks also avoids secondary damage and soil contamination, which supports regulatory compliance and responsible environmental stewardship on job sites.
Steel components are free from restricted substances and comply with RoHS and REACH rules, ensuring safe handling and disposal at the end of life.
Selecting genuine XCMG hydraulic components supports responsible equipment management while delivering superior operational reliability and safety for your fleet.
The 319004611 Steel Pipe Assembly is held in XCMG regional distribution centres across North America, Europe, Asia, and Australia, supporting fast delivery for scheduled maintenance.
Every unit is packed with protective end caps inside a custom-fitted carton, shielding it from impact, moisture, and ultraviolet light throughout transit and storage.
For fleet-wide orders, XCMG offers volume pricing and consolidated freight options that reduce procurement costs and streamline inventory planning for large operators.
Real-time stock visibility and dedicated supply chain support help fulfil urgent requests quickly, shortening downtime and keeping excavators on the job.
Sturdy packaging preserves the pipe’s factory condition until it is installed, preventing the coating damage that can occur in poorly stored spare parts.
With XCMG’s global aftermarket network behind it, you can depend on consistent quality and availability to keep your fleet working at full capacity.
Every 319004611 Steel Pipe Assembly comes from an ISO 9001 and ISO 14001 certified plant with complete material traceability from raw steel to packed product.
Incoming steel tubes and flange forgings are tested for chemical composition, mechanical properties, and dimensional accuracy before release to production.
During manufacturing, bend angle, wall thickness, weld penetration, and flange flatness are monitored continuously, and every finished unit receives a full visual inspection.
Post-production checks include hydrostatic proof testing, dimensional verification, and weld pull-off testing to confirm each pipe matches the required specification.
Sample pipes from each batch undergo impulse cycling, salt spray exposure, and vibration testing to prove long-term durability and leak-free performance in service.
Only assemblies that clear every quality gate are released, so you receive a dependable, high-performance hydraulic steel pipe component every time you order.
Cheap aftermarket steel pipes often use thinner walls, inferior welds, or poorly plated surfaces. Those shortcuts lead to early cracking, weeping joints, and poor fitment.
The genuine 319004611 is built to XCMG’s exacting standards, delivering correct length, reliable pressure containment, and durable performance in the field.
Its high-strength steel body and precision welding provide consistent results, lowering the chance of expensive hydraulic failures and unplanned machine downtime.
Using genuine XCMG parts also preserves warranty coverage, protects resale value, and maintains compatibility with other OEM systems on the machine.
Backed by XCMG’s global quality standards and technical support, this steel pipe assembly offers performance you can rely on shift after shift.
Choose genuine XCMG for uncompromising hydraulic performance in the most demanding working conditions your excavator will ever face.
The XCMG 319004611 Steel Pipe Assembly is a vital hydraulic component for any XCMG excavator, ensuring reliable fluid routing for boom, arm, and upper structure circuits.
Its precision-engineered design, high-strength steel construction, and robust manufacturing deliver dependable hydraulic performance, enabling safe and productive operation.
By preventing hydraulic leaks and maintaining stable circuit pressure, this steel pipe assembly reduces downtime, lowers maintenance costs, and extends machine service life.
Always purchase genuine XCMG parts from authorised dealers to guarantee authenticity, quality, and performance for your equipment fleet over the long term.
Choose the 319004611 Steel Pipe Assembly for dependable hydraulic routing and lasting operational peace of mind in the toughest working environments.
Partner with XCMG – your trusted source for heavy equipment hydraulic components that deliver real value, genuine quality, and long-term reliability.
OEM 319004611 – XCMG Steel Pipe Assembly – the definitive rigid hydraulic line solution for your excavator’s fluid circuit. Engineered for durability, designed for reliable pressure containment, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.