The 319000067 H‑Frame Assembly from XCMG is a heavy‑duty structural component that forms the central load‑bearing element of the hydraulic excavator undercarriage. This OEM‑grade assembly provides the essential connection between the upper frame and the track system, accommodating articulation and oscillation while transmitting powerful digging and travel forces. Manufactured from high‑strength steel with precision‑machined pivot points, the 319000067 ensures exceptional durability, alignment stability, and resistance to fatigue in the most severe mining, demolition, and heavy construction applications.
The H‑frame assembly is designed to absorb and distribute the immense stresses generated during excavator operation, including torsional twisting, vertical impacts, and lateral forces from boom and arm movements. The 319000067 features robust welded construction with reinforced stress points, precision‑bored pin bores, and hardened bushing seats that ensure long‑term alignment and minimal wear. Its advanced corrosion‑resistant coating protects against rust and chemical attack, ensuring structural integrity even in aggressive environments such as salt‑water ports or high‑moisture quarries.
Engineered to meet or exceed original factory specifications, the 319000067 H‑Frame Assembly guarantees a direct, bolt‑on replacement for damaged or fatigued frames, eliminating the need for costly re‑engineering or modifications. Every unit is subjected to rigorous non‑destructive testing, dimensional verification, and load simulation to confirm it meets XCMG’s exacting quality standards. By choosing this genuine component, you restore the structural backbone of your excavator, ensuring safe articulation, predictable handling, and uninterrupted productivity across thousands of operating hours.
The H‑frame is the structural heart of any hydraulic excavator, and a compromised frame can lead to misalignment, accelerated wear on driveline components, and even catastrophic failure. The 319000067 is an XCMG genuine H‑frame assembly that matches the original design, material, and manufacturing processes, ensuring a direct replacement that restores factory‑spec geometry and strength. Unlike aftermarket frames that may use thinner steel, inferior welding, or untested heat treatment, this assembly is produced using high‑strength HSLA steel, robotic welding, and post‑weld stress relief, guaranteeing consistent fatigue resistance and dimensional stability.
The precision‑machined pin bores and hardened bushing seats of the 319000067 ensure perfect alignment with the upper frame and track system, reducing stress on pivot pins and extending the service life of bushings and seals. The robust corrosion‑protection system guards against rust and chemical attack, even in aggressive environments such as coastal mines or chemically treated quarries. By choosing this genuine component, you eliminate the risks of poor fit, premature fatigue, and unplanned downtime, ensuring your excavator remains structurally sound and safe for years of heavy service.
Installing the 319000067 H‑Frame Assembly provides essential advantages for your XCMG excavator. First, the precise alignment of the articulation and oscillation axes ensures predictable handling, reducing track wear and improving fuel efficiency. Second, the high‑strength construction withstands the repetitive shock loads from rough terrain and heavy digging, preventing stress cracking and maintaining chassis rigidity. Third, the inclusion of high‑quality bushings and seals reduces lubrication intervals and minimises maintenance overhead.
Moreover, the 319000067 is designed for straightforward installation, using the existing mounting points and standard tools. Its factory‑level accuracy eliminates the need for shimming or re‑drilling, reducing workshop time and ensuring a perfect fit. For fleet operators, using genuine XCMG H‑frames ensures consistent chassis geometry across all units, simplifies parts procurement, and maintains the structural integrity that is critical for safe and efficient operation in demanding conditions. The confidence that comes from a genuine factory‑built frame is indispensable for maintaining high safety and productivity standards.
The 319000067 H‑Frame Assembly is fabricated using advanced robotic welding techniques that ensure consistent penetration and minimal distortion. After welding, the assembly undergoes a stress‑relief heat treatment to eliminate residual stresses, significantly enhancing fatigue life. The pin bores are line‑bored to tight tolerances, guaranteeing concentricity and proper bushing fit. The frame is then coated with a multi‑layer paint system that provides excellent adhesion, impact resistance, and corrosion protection.
Compatibility spans the full XCMG XE series of hydraulic excavators, including XE215, XE240, XE370, XE490, and XE700 models, as well as earlier models that share the same hinge geometry. The H‑frame is also suitable for some crawler loaders and excavators from other manufacturers that utilise a similar articulation design. Each assembly is supplied with a detailed fitting guide, recommended torque values for all fasteners, and a parts list for associated bushings and pins. This ensures that the replacement process is smooth and that the new frame integrates perfectly with the existing undercarriage and upper structure.
Every 319000067 H‑Frame Assembly is manufactured under strict ISO 9001 and ISO 3834 welding quality standards. The process includes ultrasonic testing of critical welds, dimensional inspection with laser trackers, and hardness verification of the pin bore areas. A prototype from each production run is subjected to dynamic load testing to simulate extreme articulation and oscillation cycles, confirming the frame’s durability and fatigue resistance.
XCMG provides comprehensive documentation, including material certificates, weld maps, and torque charts. Bulk packaging and custom crating options are available for large‑scale fleet replacements. Choose the genuine 319000067 H‑Frame Assembly to ensure the structural foundation of your excavator is as strong and reliable as the original, and keep your projects moving with maximum efficiency and minimal interruptions.
