

Coupling Guard
Защитная крышка муфты
Protector de acoplamiento
The 332115568 Coupling Guard is a precision‑engineered protective shield designed to safeguard rotating couplings, driveline joints, and hydraulic pump connections on XCMG articulated dump trucks. As a non‑engine safety component, this coupling guard prevents accidental contact with moving parts, deflects debris, and protects the coupling from impact damage, ensuring operator safety and extending component life. Manufactured from high‑strength steel with a corrosion‑resistant zinc‑nickel plating and a durable powder‑coat finish, the 332115568 coupling guard delivers exceptional impact resistance, structural rigidity, and long‑term durability, making it an indispensable component for maintaining driveline integrity and workplace safety in the most demanding mining, quarrying, and heavy construction environments.
The 332115568 Coupling Guard is a precision‑engineered protective shield designed to safeguard rotating couplings, driveline joints, and hydraulic pump connections on XCMG articulated dump trucks.
As a non‑engine safety component, this coupling guard prevents accidental contact with moving parts, deflects debris, and protects the coupling from impact damage, ensuring operator safety and extending component life.
In heavy‑duty mining and construction environments, rotating couplings are exposed to flying rocks, mud, and accidental tool strikes. A damaged coupling can lead to driveline failure, costly downtime, and serious safety hazards.
The 332115568 guard is engineered to provide a robust, fully enclosing barrier that absorbs impact energy and prevents foreign objects from contacting the coupling.
Manufactured from high‑strength steel with a corrosion‑resistant zinc‑nickel plating and a durable powder‑coat finish, this guard delivers exceptional impact resistance, structural rigidity, and long‑term durability.
This component is a direct OEM replacement, restoring original coupling protection after damage or wear, ensuring that the vehicle remains safe and compliant with site safety regulations.
The 332115568 Coupling Guard is essential for preventing serious injuries caused by contact with rotating machinery.
Rotating couplings and shafts can catch clothing, gloves, or body parts, causing severe lacerations, fractures, or amputations. The guard provides a physical barrier that eliminates this risk.
In addition to safety, the guard protects the coupling from impact damage caused by rocks, debris, and accidental contact with loading equipment, which can cause misalignment, cracking, or premature wear.
By maintaining the integrity of the coupling, the guard reduces the frequency of driveline repairs and extends the service life of the entire power transmission system.
Regular inspection of the guard is recommended to check for signs of deformation, cracking, or loosening of fasteners. Any damaged guards should be replaced immediately.
The 332115568 Coupling Guard features a meticulously engineered split‑type design that allows for easy installation without disassembling the driveline.
The guard consists of two semi‑cylindrical halves that are bolted together around the coupling, forming a complete enclosure. This design simplifies maintenance and reduces downtime.
The guard is precision‑formed from high‑strength steel, with a smooth internal surface that does not contact the rotating coupling, eliminating friction and wear.
Reinforcing ribs and embossed stiffening patterns are integrated into the guard’s surface, increasing its bending stiffness and resistance to deformation under impact.
Six precision‑located mounting holes (10.5 mm diameter) on the flanges accept M10 fasteners, allowing the guard to be securely bolted to the vehicle structure or mounting brackets.
The guard’s split line is designed with a tongue‑and‑groove joint that prevents misalignment and ensures a tight, gap‑free closure, keeping debris out.
All edges are deburred and radiused to prevent injury during handling and to protect adjacent hoses, wiring, or other components from chafing.
The 332115568 Coupling Guard is protected by a dual‑layer coating system that ensures exceptional resistance to corrosion and mechanical wear.
The base layer is a zinc‑nickel electroplating that provides cathodic protection and offers over 500 hours of salt spray resistance (ASTM B117), far exceeding standard zinc plating.
The top coat is a black powder coating that is baked on to form a tough, abrasion‑resistant finish. This coating provides excellent resistance to stone chipping, UV degradation, and chemical exposure.
The combination of these coatings ensures that the guard retains its protective properties and appearance even after years of service in aggressive mining and construction environments.
The black finish also blends seamlessly with the vehicle’s underbody, maintaining a professional and uniform appearance.
The 332115568 Coupling Guard is fabricated from premium Q355D carbon steel, a material that offers an excellent balance of strength, toughness, and weldability.
Q355D provides a minimum yield strength of 355 MPa and excellent impact toughness at low temperatures, ensuring reliable performance in cold climates.
The material’s low carbon equivalent ensures good formability and weldability, making it suitable for the stamping and forming processes used in the guard’s manufacture.
Each guard is produced in ISO 9001 and ISO 14001 certified facilities, with strict process controls at every stage – from raw material verification to final inspection.
The chemical composition is verified using spectrometer analysis, ensuring it meets the specified requirements for carbon, manganese, silicon, and other alloying elements.
Dimensional accuracy is verified using precision measurement tools, with critical dimensions, hole positions, and flatness checked against the engineering drawings to ensure a perfect fit.
The result is a coupling guard that delivers consistent, reliable performance, with a service life that matches or exceeds that of the original equipment.
The 332115568 Coupling Guard is a critical component for ensuring the safety and reliability of XCMG articulated dump trucks.
A damaged or missing guard can expose the rotating coupling to debris and impact, leading to premature wear, imbalance, and catastrophic failure of the driveline.
In the event of a coupling failure, the vehicle can lose propulsion, steering assistance, or hydraulic power, creating a serious safety hazard on steep slopes or congested worksites.
The 332115568 guard prevents these issues by providing a robust, impact‑absorbing barrier that protects the coupling from external threats and keeps debris away from rotating parts.
Regular inspection of the guard for signs of damage, corrosion, or loosening of fasteners is recommended. Any damaged guards should be replaced promptly.
Using a genuine XCMG 332115568 coupling guard ensures that the replacement part meets the original design specifications, providing the intended level of protection and safety.
The 332115568 Coupling Guard is specifically designed for use in XCMG articulated dump trucks, including the XDA30, XDA40, XDA45, XDA45U, XDA60, and TA30 series models.
These vehicles are deployed in a wide range of demanding applications, including open‑pit mining, quarrying, heavy construction, water conservancy, harbour operations, and large‑scale earthmoving projects.
The guard is commonly used to protect driveline couplings, hydraulic pump drives, and steering pump connections, where rotating shafts are exposed to potential impact.
Beyond articulated dump trucks, this guard can also be used in other XCMG equipment that employs similar coupling configurations, such as wheel loaders, excavators, and motor graders.
The guard’s standard dimensions and bolt pattern make it a versatile replacement part for a wide range of heavy machinery, providing flexibility for maintenance and repair operations.
When replacing a worn or damaged coupling guard, using the genuine 332115568 part ensures correct fitment, material strength, and coating quality, safeguarding the equipment and its operators.
It is always recommended to inspect the coupling and surrounding area when installing a new guard, and to use new fasteners to ensure a secure installation.
Installing the 332115568 Coupling Guard is a straightforward process that can be completed with basic hand tools, minimizing downtime and installation effort.
Before installation, ensure that the coupling is clean and free from any debris that could become trapped inside the guard.
Position the two halves of the guard around the coupling, aligning the tongue‑and‑groove joint and the six mounting holes on the flanges.
Insert the M10 bolts and hand‑tighten them evenly. Then, using a torque wrench, tighten the bolts to the recommended torque of 40–50 N·m, following a cross‑pattern sequence to ensure even clamping pressure.
Verify that the guard is correctly positioned and that there is adequate clearance between the guard and the rotating coupling (typically 5–10 mm).
During routine maintenance, inspect the guard for signs of corrosion, deformation, or loosening of fasteners. Re‑tighten bolts to the recommended torque as needed.
If any damage or significant wear is detected, replace the guard immediately. Keeping a spare 332115568 coupling guard on hand can help minimize downtime during unexpected repairs.
The 332115568 Coupling Guard is manufactured in ISO 9001 and ISO 14001 certified facilities, adhering to the highest quality and environmental management standards.
The raw material, Q355D steel, is sourced from approved mills and undergoes rigorous incoming inspection, including chemical analysis, tensile testing, and impact testing.
The stamping and forming processes are precisely controlled, with regular tooling maintenance and dimensional checks to ensure consistent part geometry and hole positioning.
The zinc‑nickel plating and powder coating processes are carefully monitored, with coating thickness and adhesion verified using non‑destructive testing methods.
Each coupling guard is 100% inspected for visual defects, dimensional accuracy, flatness, and coating integrity. A sample from each production batch is subjected to salt spray testing and impact testing.
These rigorous quality assurance measures guarantee that every 332115568 coupling guard delivers the reliability, strength, and durability expected from a genuine XCMG component.
Using genuine XCMG 332115568 coupling guards guarantees proper fit, optimal protection, and compatibility with the vehicle’s driveline and safety systems.
The 332115568 Coupling Guard is an essential component for ensuring the safety, reliability, and longevity of XCMG articulated dump trucks.
As a non‑engine safety accessory, this guard provides a robust, impact‑resistant shield that protects rotating couplings from debris and impact, while also preventing accidental contact with moving parts.
Its high‑strength steel construction, advanced corrosion‑resistant coating, and precision engineering ensure exceptional durability and long‑term performance in the most demanding mining, quarrying, and construction environments.
With its precise OEM fitment and uncompromising quality, this coupling guard offers outstanding value and peace of mind for fleet operators, maintenance professionals, and equipment owners alike.
Choosing the genuine XCMG 332115568 coupling guard protects your equipment and personnel, reduces maintenance costs, and ensures that your articulated dump truck remains productive, reliable, and safe.
Always source genuine XCMG parts from authorised distributors to guarantee authenticity, compliance with OEM specifications, and long‑term performance.
Whether for planned maintenance or emergency repairs, the 332115568 coupling guard is the trusted choice of professionals who demand the highest standards of quality and reliability in their heavy equipment.