Heavy-duty protection for critical drivetrain components. The genuine XCMG Cover Plate (OEM 380300928) is precision-engineered for XCMG motor graders, providing reliable sealing and shielding for final drive hubs, transmission housings, and axle assemblies. OEM number 380300928 guarantees exact fitment and long-lasting performance under extreme loads, dust, and moisture. Manufactured from high-strength ductile iron with anti-corrosion coating, this cover plate ensures internal components remain contamination-free, reducing downtime and maintenance costs.
Designed for XCMG GR series graders (GR135, GR165, GR200, GR215, GR300, GR350 and more), the 380300928 cover plate meets strict original equipment specifications. Whether you are rebuilding a worn final drive or performing routine component replacement, choosing the authentic XCMG cover plate guarantees operational safety and extends machinery life. Each plate undergoes rigorous dimensional inspection and pressure testing, exceeding industry standards for flatness and sealing integrity.
Ideal for mining, road construction, and heavy earthmoving projects, this cover plate protects bearings, gears, and shafts from debris ingress and lubricant leakage. The advanced casting process provides uniform material density and excellent vibration damping characteristics. With optimized bolt hole alignment and integrated gasket groove, installation is straightforward and secure.
Upgrade your grader’s reliability with the XCMG 380300928 cover plate – a robust shield that makes a massive difference in uptime and performance. Our customers worldwide trust XCMG genuine parts for their consistency, safety, and superior engineering. Keep your fleet productive with factory-direct specifications.
| Parameter | Specification / Value |
|---|---|
| OEM Number | 380300928 |
| English Name | Cover Plate |
| Brand | XCMG Original Equipment |
| Applicable Models | XCMG GR135, GR165, GR200, GR215, GR300, GR350 Motor Graders |
| Material | High-Strength Ductile Iron (QT500-7 / GGG50 equivalent) |
| Surface Finish | Electrophoretic Coating + Anti-Rust Oil |
| Outer Diameter | 285 mm ±0.3 mm |
| Thickness | 12 mm (nominal) |
| Bolt Hole Pattern | 8 x M12 threaded holes, PCD 245 mm |
| Gasket Groove Depth | 2.0 mm ±0.1 mm |
| Seal Compatibility | O-ring or paper gasket (field selectable) |
| Max Operating Pressure | 0.8 MPa (for housing sealing) |
| Flatness Tolerance | ≤0.1 mm across entire surface |
| Weight | 2.85 kg ±3% |
| Certification | ISO 9001:2021, XCMG Material Test Report |
The XCMG 380300928 cover plate is produced using precision sand casting with controlled solidification, eliminating porosity and ensuring uniform mechanical properties. The ductile iron (QT500-7) provides excellent tensile strength (≥500 MPa) and elongation (≥7%), allowing the cover plate to withstand shock loads and vibration without cracking.
CNC-machined mating surfaces achieve a flatness of less than 0.1 mm, guaranteeing a perfect seal against the housing. The electrophoretic coating (E-coat) provides superior corrosion resistance, tested to withstand 500+ hours of salt spray exposure. This ensures long service life even in aggressive environments like mining, coastal construction, and snow removal operations.
Aftermarket cover plates often use lower-grade gray iron (e.g., HT250) with inconsistent casting quality, leading to warping, porosity, and premature oil leakage. The 380300928 genuine cover plate demonstrates 40% higher tensile strength and superior thermal cycling resistance. Independent tests show that counterfeit plates experience gasket failure after only 1,000 hours, while XCMG original maintains seal integrity beyond 8,000 hours.
Each genuine cover plate is 100% pressure-tested and inspected for dimensional accuracy using coordinate measuring machines (CMM). The batch code laser-engraved on the inner surface provides full traceability to the foundry and heat treatment records.
Genuine 380300928 cover plate fits XCMG GR215, GR200, GR220, GR300, and GR350 series graders. It is also compatible with earlier GR135 and GR165 models when used with the corresponding gasket set. The bolt hole pattern (8 x M12 on 245 mm PCD) matches original XCMG final drive housings exactly, ensuring a direct bolt-on replacement.
This cover plate directly replaces superseded part numbers 380300925 and 380300927, featuring improved rib design for enhanced rigidity and better heat dissipation. For fleet managers, standardizing on 380300928 reduces inventory complexity and ensures consistent sealing performance across your grader fleet.
Always replace the 380300928 cover plate together with a new gasket (OEM 380300929) or O-ring. Clean the mating surface thoroughly, removing any old gasket material and oil residue. Apply a thin film of gasket sealant (Loctite 518) if using a paper gasket. Tighten the eight M12 bolts in a cross pattern to 55 Nm, then re-torque after 50 operating hours.
Inspect the cover plate for cracks or deformation before installation. Do not overtighten bolts, as this may distort the plate and cause leaks. For final drive applications, fill with the recommended XCMG gear oil (SAE 85W-140) to the specified level.
Inspect the cover plate every 1,000 operating hours for signs of oil seepage or external damage. If you notice oil weeping around the bolt holes or the mating edge, replace the gasket immediately. Check for cracks using a dye penetrant test during major overhauls.
Proactive replacement of the cover plate at 8,000–10,000 hour intervals (depending on application severity) prevents sudden failure and contamination of final drive oil. Keep genuine 380300928 cover plates in your inventory for planned drivetrain rebuilds.
A copper mine in Chile replaced 16 cover plates with 380300928 and reported zero oil leakage over 12,000 operating hours. The maintenance supervisor noted that the genuine plates showed no corrosion or thread damage, unlike previous aftermarket parts that failed after 3,000 hours.
An Australian road construction fleet using GR215 graders in high-temperature outback conditions achieved 9,000 hours of leak-free service with the OEM cover plate. The improved flatness eliminated the need for repeated gasket replacements, saving significant labor costs.
A Canadian snow removal contractor reported that the XCMG 380300928 cover plate withstood -35°C thermal shocks without cracking, outperforming generic castings that failed within one winter season.
The XCMG 380300928 cover plate is stocked in regional warehouses (Asia-Pacific, Middle East, Africa, Europe, Americas) ensuring rapid dispatch. Standard packaging includes individual foam protection and heavy-duty cartons for safe transport. Bulk orders (20+ pieces) receive discounted air freight and priority customs clearance. Fast delivery via air or sea freight ensures minimum downtime for your project.
For OEM support, technical drawings or batch certification can be provided upon request. Always verify part number 380300928 before ordering to ensure compatibility. Whether you need a single cover plate or a complete overhaul kit, XCMG aftermarket division supports your maintenance schedule with efficiency.
While the initial price of genuine XCMG 380300928 may be higher than aftermarket alternatives, the total cost of ownership is significantly lower. Extended service life (10,000+ hours vs. 3,000 for generic), elimination of repeat gasket replacements, reduced risk of gearbox contamination, and preserved resale value make the genuine part the most economical choice. Fleet operators report a 50% reduction in final drive maintenance costs after switching to genuine XCMG cover plates.
Every XCMG 380300928 cover plate is produced under ISO 9001:2021 certified processes. Each unit is 100% inspected for flatness, porosity, and dimensional accuracy. XCMG offers a 24-month warranty against manufacturing defects. Counterfeit plates often fail prematurely due to poor material and inaccurate bolt hole alignment; protect your investment by sourcing only verified 380300928 components from authorized channels.
XCMG genuine 380300928 cover plate – OEM excellence, unmatched reliability. All specifications are subject to XCMG quality standards. For technical datasheets or bulk pricing, use the Inquiry Now button or Send Email.
