

The 319000199 Spacer Ring from XCMG is a precision‑machined shimming component designed to establish accurate axial clearances and preloads in critical assemblies of hydraulic excavators. This OEM‑grade spacer ring ensures proper positioning of bearings, gears, and shafts, preventing excessive end‑play or over‑tightening that can lead to premature wear or component failure. Manufactured from high‑strength alloy steel with a corrosion‑resistant finish, the 319000199 delivers consistent dimensional accuracy, high compressive strength, and long‑term stability, making it an indispensable part of the driveline, final drive, and swing gearbox systems of your XCMG excavator.
The spacer ring is engineered to fit precisely between mating components, providing a reliable method for adjusting axial play and distributing loads evenly. The 319000199 features a precision‑ground thickness and parallel faces that ensure uniform contact pressure, minimising stress concentrations and reducing the risk of distortion under heavy loads. Its robust construction and protective coating resist rust, corrosion, and fretting, ensuring reliable performance in the harsh environments of mining, quarrying, and heavy construction, where exposure to moisture, dirt, and dynamic forces is constant.
Engineered to match the exact original equipment specifications, the 319000199 Spacer Ring guarantees a seamless replacement for worn or incorrectly sized spacers, eliminating the need for custom grinding or stacking. Every unit undergoes rigorous dimensional inspection, hardness verification, and flatness testing to ensure it meets XCMG’s stringent quality standards. By choosing this genuine XCMG component, you maintain the correct bearing preload and gear mesh in your excavator, reduce the risk of costly downtime and component damage, and uphold the operational reliability that keeps your hydraulic excavator productive and safe.
Spacer rings are essential for achieving the correct bearing preload and gear backlash in excavator drivelines, and using an incorrect or worn spacer can lead to excessive play, overheating, and premature failure. The 319000199 is an XCMG genuine spacer ring that exactly matches the original design, material, and thickness specifications, ensuring a direct, drop‑in replacement that restores factory‑setting clearances. Unlike aftermarket spacers that may have inconsistent thickness, poor surface finish, or inferior steel, this ring is manufactured using premium alloy steel, precision grinding, and thorough inspection, guaranteeing accurate dimensions, high compressive strength, and long‑term dimensional stability.
The precision‑ground parallel faces of the 319000199 ensure even load distribution, preventing localised stress that could lead to component distortion or fatigue. The corrosion‑resistant coating protects against rust and fretting, maintaining the integrity of the spacer even in humid or chemically aggressive environments. By choosing this genuine component, you eliminate the risks of incorrect shimming, accelerated bearing wear, and unplanned downtime, ensuring your excavator’s driveline remains properly adjusted and reliable.
Installing the 319000199 Spacer Ring delivers multiple operational advantages for your XCMG hydraulic excavator. First, the precise thickness ensures correct bearing preload, reducing wear and extending bearing life. Second, the flat, parallel faces prevent binding and ensure proper gear mesh, reducing noise and vibration. Third, the robust material withstands high axial loads and shock, maintaining dimensional stability over time.
Furthermore, the 319000199 is designed for straightforward installation, fitting directly into the existing housing without modifications. Its consistent quality eliminates the need for re‑machining or stacking multiple shims. For fleet operators, using genuine XCMG spacers ensures uniform clearance settings across all machines, simplifies parts inventory, and guarantees compatibility with other OEM driveline components. The confidence that comes from a factory‑engineered spacer is essential for maintaining high productivity in demanding mining and construction applications.
The 319000199 Spacer Ring is manufactured using a controlled grinding process that achieves the required thickness, flatness, and surface finish. The ring is stress‑relieved after machining to eliminate residual stresses, ensuring stability over time. The faces are ground to a fine finish to minimise friction and wear against adjacent components. The coating provides excellent corrosion resistance, extending the service life of the spacer even in wet or abrasive conditions.
Compatibility spans the XCMG XE series of hydraulic excavators, including XE215, XE240, XE370, XE490, and XE700 models, as well as compatible wheel loaders and crawler dozers that share the same spacer dimensions. The ring is also suitable for aftermarket rebuilds that require the OEM thickness. Each unit is supplied with a detailed fitting guide and recommended torque settings for associated fasteners to ensure correct installation and optimal performance.
Every 319000199 Spacer Ring manufactured by XCMG undergoes a comprehensive quality assurance process. This includes material composition analysis, hardness testing, and dimensional inspection using precision micrometers and surface plates. Each ring is checked for thickness variation, flatness, and parallelism. A sample from each batch is subjected to a compressive load test to verify its load‑bearing capacity and resistance to deformation.
XCMG provides comprehensive documentation, including material certificates and inspection reports. Bulk packaging and custom labeling are available for large‑scale fleet rebuilds. Choose the genuine 319000199 Spacer Ring to ensure precise axial clearances and long‑term driveline reliability for your XCMG hydraulic excavator, and keep your projects moving with maximum efficiency and minimal downtime.