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– Product Model: SSY004649253
– Product Type: Protective Cover for Working Devices of Construction Machinery (Original Part)
– Compatible Equipment: Compatible with articulated protection parts of mainstream engineering equipment such as Sany excavators and loaders.
The SSY004649253 protective cover is a core protective component for the working devices of Sany engineering machinery. It is primarily used to shield and protect critical parts such as excavator articulations, pins, and bearings, preventing dust, mud, and rainwater from penetrating the internal structure and reducing wear and corrosion of core components. It is a crucial component ensuring the smooth operation of the equipment’s articulated structure. The product is made of high-strength, wear-resistant material in a single molding process, offering excellent structural rigidity, impact resistance, and durability. After anti-corrosion and hardening treatment, it can be used for long-term adaptation to harsh, heavy-duty construction conditions such as earthmoving, mining, and infrastructure projects.
This SANY original factory cover is precision-cut, resulting in a neat shape, standard hole positions, and a tight fit. It ensures a secure installation and prevents loosening, providing complete protection for internal pins, bearings, and lubrication systems, preventing grease loss and dry friction wear. Old covers exposed to the elements for extended periods are prone to damage, deformation, loosening, and cracking, leading to water and mud ingress, structural buildup, accelerated component wear, and malfunctions such as hinge noise, jamming, and equipment vibration. This product is an original factory standard specification, supporting in-situ non-destructive replacement. It is suitable for routine equipment maintenance, major overhauls, and bulk stocking, quickly restoring equipment protection performance and reducing core component wear and maintenance costs.
– Product Model: SSY004649253
– Product Type: Protective Cover for Working Devices of Construction Machinery (Original Part)
– Compatible Equipment: Compatible with articulated protection parts of mainstream engineering equipment such as Sany excavators and loaders.
– Main body material: High-strength wear-resistant material, with sufficient rigidity, impact resistance, aging resistance, and resistance to deformation and breakage.
– Processing technology: One-piece molding, precision cutting and shaping, hardening and corrosion protection, weather-resistant strengthening treatment.
– Protective performance: Dustproof and waterproof, resistant to mud and sand erosion, isolates impurities, and provides all-round protection for the internal structure.
– Fitting characteristics: Original factory precise size, tight alignment and fit, shockproof and anti-loosening, not easy to shift.
– Durability: Vibration resistant, aging resistant, and resistant to high and low temperatures, suitable for complex outdoor working conditions.
– Function: Protects pins, bearings, and sealing structures; retains lubricating grease; reduces wear.
– Installation features: Standard original size, no modification required, easy on-site installation and removal, suitable for maintenance work.
– Applicable working conditions: earthwork construction, heavy-duty mining, high-frequency operations, dusty and humid conditions
– Service life: Weather-resistant and durable structure, not easily damaged or aged during long-term outdoor operation, providing long-lasting and stable protection.
The SSY004649253 cover is a core original protective accessory from SANY. It features a robust structure, comprehensive protection, shock resistance, anti-loosening properties, and resistance to aging and erosion, making it suitable for various heavy-duty construction machinery applications. It effectively solves problems such as dust and water ingress into equipment hinges, grease leakage, component wear, loose or damaged covers, and abnormal noises during operation. It provides long-term protection for core equipment hinge components, stabilizes equipment performance, reduces downtime, and lowers maintenance costs. It is a high-quality original cover accessory for routine maintenance, major overhauls, and bulk stocking of construction machinery.

9 A210111000289 Bolt
10 A210491000132 Washer
15 SSY004649251 Pressure Plate
27 SSY004870711 Bucket arm sub-assembly
28 SSY004650171 Pin
29 SSY004650209 Pin
30 SSY004674148 Gasket φ151×φ230×0.5
31 SSY004674150 Gasket φ151×φ230×2
32 SSY004650210 Pin
33 SSY004650231 Pin
34 Right analog stick assembly
35 Left joystick assembly
36 SSY004649253 Protective Cover
37 SSY004649257 Protective Cover
38 SSY004674160 Gasket φ161×φ300×0.5
39 Connecting rod sub-assembly
40 SSY004674149 Gasket φ161×φ310×1
41 SSY004674156 Gasket φ161×φ310×0.5
*For other spare parts procurement needs, please contact us!