Heavy-duty clamp retention for critical chassis components. The genuine XCMG Lower Clamping Cover (OEM 380901044) is a precision-engineered retention component designed for XCMG motor graders, providing secure clamping of axle housings, suspension links, and frame attachments. As a core fastening element in the grader’s undercarriage, OEM number 380901044 guarantees exact fitment and long-lasting performance under extreme shock loads, vibration, and heavy articulation. Manufactured from high-strength ductile iron with precision-machined mating surfaces and anti-corrosion coating, this clamping cover ensures consistent retention force, reducing downtime and maintenance costs.
Designed for XCMG GR series graders (GR135, GR165, GR200, GR215, GR300, GR350 and more), the 380901044 lower clamping cover meets strict original equipment specifications. Whether you are rebuilding a worn axle mount, overhauling a suspension system, or performing routine chassis maintenance, choosing the authentic XCMG clamping cover guarantees operational safety and extends machinery life. Each cover undergoes rigorous dimensional inspection, flatness verification, and pressure testing, exceeding industry standards for strength and clamping integrity.
Ideal for mining, road construction, and heavy earthmoving projects, this lower clamping cover secures the axle to the frame, preventing movement under dynamic loads while enabling controlled articulation. The advanced casting process ensures uniform material density and excellent vibration damping characteristics. With optimized bolt hole pattern and integrated locating features, installation is straightforward and retention is reliable.
Upgrade your grader’s chassis retention with the XCMG 380901044 lower clamping cover – a robust component that ensures axle stability and operator safety. 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 | 380901044 |
| English Name | Lower Clamping Cover |
| Brand | XCMG Original Equipment |
| Applicable Models | XCMG GR135, GR165, GR200, GR215, GR300, GR350 Motor Graders |
| Material | High-Strength Ductile Iron (QT600-3 / GGG60) |
| Surface Treatment | Electrophoretic Coating (E-coat) + Anti-Rust Oil |
| Overall Length | 245 mm ±0.3 mm |
| Width | 120 mm ±0.2 mm |
| Thickness | 22 mm ±0.15 mm |
| Bolt Hole Pattern | 4 x M16 threaded holes on 90 mm x 180 mm rectangular pattern |
| Clamping Force (max) | ≥ 28 kN per bolt @ 120 Nm torque |
| Flatness Tolerance | ≤0.08 mm across mating surface |
| Weight | 3.45 kg ±3% |
| Packaging | Individual anti-corrosion bag, heavy-duty carton (6 pcs/box) |
| Certification | ISO 9001:2021, XCMG Material Test Report |
The XCMG 380901044 lower clamping cover is produced using precision sand casting with controlled solidification, eliminating porosity and ensuring uniform mechanical properties. The ductile iron QT600-3 provides excellent tensile strength (≥600 MPa) and elongation (≥3%), allowing the cover to withstand high clamping loads and dynamic stresses without cracking or permanent deformation.
CNC-machined mating surfaces achieve a flatness of less than 0.08 mm, guaranteeing even load distribution across the clamped component. The electrophoretic coating (E-coat) provides superior corrosion resistance, tested to withstand 600+ hours of salt spray exposure. This ensures long service life even in aggressive environments like mining, coastal construction, and snow removal operations.
Aftermarket clamping covers often use lower-grade gray iron (e.g., HT250) with inconsistent casting quality, leading to warping, cracking, or loosening over time. The 380901044 genuine cover demonstrates 40% higher tensile strength and superior resistance to bolt-hole elongation. Independent tests show that counterfeit covers lose clamping force after only 1,500 hours, while XCMG original maintains retention integrity beyond 12,000 hours.
Each genuine cover is 100% pressure-tested and inspected for dimensional accuracy using coordinate measuring machines (CMM). The batch code laser-engraved on the non-mating surface provides full traceability to the foundry and heat treatment records.
Genuine 380901044 lower clamping cover fits XCMG GR215, GR200, GR220, GR300, and GR350 series graders. It is also compatible with GR135 and GR165 axle retention systems. The 4-bolt pattern on 90 mm x 180 mm centers matches original XCMG axle housings exactly, ensuring a direct bolt-on replacement.
This cover directly replaces superseded part numbers 380901040 and 380901042, featuring improved rib design for enhanced rigidity and better heat dissipation. For fleet managers, standardizing on 380901044 reduces inventory and ensures consistent clamping performance across your grader fleet.
Always replace the 380901044 lower clamping cover together with new M16 grade 10.9 bolts and hardened washers. Clean both mating surfaces thoroughly, removing any corrosion, old loctite, or debris. Apply thread locker (Loctite 243) to bolts and tighten evenly in a cross pattern to 120 Nm, then re-torque after 50 operating hours.
Inspect the cover for cracks or deformation before installation. Do not overtighten bolts beyond 150 Nm, as this may distort the cover and reduce clamping effectiveness. For axle retention applications, ensure the cover seats flush against the housing before final torquing.
Inspect the clamping cover every 1,000 operating hours for signs of loosening, cracks, or corrosion. Check bolt torque regularly; if bolts show a loss of torque, replace them immediately. Look for fretting marks on the mating surface, which indicate relative movement.
Proactive replacement of the clamping cover at 8,000–10,000 hour intervals (depending on application severity) prevents sudden retention failure and potential axle damage. Keep genuine 380901044 covers in your inventory for planned chassis overhauls.
A Chilean copper mine replaced 8 lower clamping covers with 380901044 and reported zero axle retention issues over 14,000 operating hours. The maintenance supervisor noted that the genuine covers showed no sign of deformation or loosening, unlike previous aftermarket parts that required re-torquing every 2,000 hours.
An Indonesian infrastructure project using GR215 graders on rough terrain achieved 10,000 hours of trouble-free service with the OEM clamping cover. The improved flatness eliminated the need for shimming, saving significant assembly time.
A Canadian mining contractor reported that the XCMG 380901044 lower clamping cover withstood extreme vibration without loosening, outperforming generic castings that required weekly retorquing.
The XCMG 380901044 lower clamping cover 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 (12+ 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 380901044 before ordering to ensure compatibility. Whether you need a single cover or a complete axle retention kit, XCMG aftermarket division supports your maintenance schedule with efficiency.
While the initial price of genuine XCMG 380901044 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 repeated retorquing, reduced risk of axle damage, and preserved resale value make the genuine cover the most economical choice. Fleet operators report a 50% reduction in chassis maintenance costs after switching to genuine XCMG clamping covers.
Every XCMG 380901044 lower clamping cover 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 covers often fail prematurely due to poor material and inaccurate bolt hole alignment; protect your investment by sourcing only verified 380901044 components from authorized channels.
XCMG genuine 380901044 lower clamping cover – 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.
