Superior wear resistance & precise fit. The genuine XCMG 380905149 Bushings are precision-engineered anti-friction components designed for XCMG motor grader articulation joints, pivot points, and linkage systems. OEM number 380905149 guarantees exact inner/outer diameter tolerances, optimal material composition, and extended service life under extreme cyclic loads. Manufactured from high-strength bronze alloy or bi-metal steel-bronze composite, these bushings provide excellent load distribution, vibration damping, and resistance to galling in heavy earthmoving environments.
Designed for XCMG GR135, GR165, GR200, GR215, GR300, GR350, and GR2003 graders, the 380905149 bushings are used in critical wear locations such as articulation hinges, blade lift linkages, circle drives, and steering cylinders. By choosing authentic XCMG bushings, you ensure correct press-fit installation, reduced shaft wear, and extended rebuild intervals. Each bushing undergoes 100% dimensional inspection, hardness verification, and oil impregnation (where applicable) to meet original equipment performance standards.
Ideal for mining, road construction, and heavy-duty grading, these bushings absorb shock loads and compensate for misalignment while maintaining a low coefficient of friction. The advanced graphite or PTFE-lined versions offer self-lubricating properties, reducing maintenance frequency and grease consumption. Precision-machined inner surfaces (Ra ≤0.8µm) ensure smooth rotation and minimize wear on mating pins.
Upgrade your grader’s articulation reliability with the XCMG 380905149 Bushings – components that eliminate excessive play, reduce noise, and extend machine life. Worldwide contractors trust XCMG genuine bushings for consistent quality, corrosion resistance, and superior load-bearing capacity.
| Parameter | Value / Detail |
|---|---|
| OEM Number | 380905149 |
| Part Name | Bushing (Plain / Flanged / Self-Lubricating) |
| Brand | XCMG Original Equipment |
| Material | High-strength bronze (CuSn8P / SAE 660) or steel-backed PTFE composite |
| Surface Treatment | Oil-impregnated / Graphite plugs / PTFE liner (depending on variant) |
| Hardness (HB) | 80–120 HB (bronze) / 180–220 HB (steel-backed) |
| Inner Diameter (ID) | 70.00 mm ±0.025 mm (precision reamed) |
| Outer Diameter (OD) | 80.00 mm ±0.030 mm (press-fit tolerance) |
| Length (L) | 65.00 mm ±0.20 mm |
| Static Load Capacity | ≥ 120 N/mm² (projected area) |
| Dynamic Load Capacity | ≥ 55 N/mm² (oscillating, 1 Hz) |
| Coefficient of Friction | 0.08–0.15 (lubricated) / 0.05–0.10 (PTFE-lined) |
| Operating Temperature | ‑40°C to +120°C (grease-lubricated) / ‑50°C to +160°C (PTFE) |
| Applicable Models | XCMG GR135, GR165, GR200, GR215, GR300, GR350, GR2003 |
| Packaging | VCI oiled paper + sealed poly bag + heavy-duty carton |
| Certification | ISO 9001:2015, ISO 3547 (plain bearings), RoHS |
The XCMG 380905149 bushings are manufactured from centrifugally cast CuSn8P bronze (SAE 660), offering excellent embeddability and conformability. For high-load applications, a steel-backed bronze composite is used, where a porous bronze layer is sintered onto a steel shell and impregnated with PTFE or graphite. This bi-metal construction provides superior compressive strength (≥300 MPa) while maintaining low friction.
All raw materials are sourced from certified mills with full traceability. The bronze alloy contains 7–9% tin and 0.2–0.5% phosphorus, ensuring high wear resistance and fatigue strength under oscillating motion. Independent metallurgical testing confirms uniform grain structure and absence of porosity.
Each bushing is CNC-turned and then internally reamed or burnished to achieve a surface roughness of Ra ≤0.8µm. The ID is held to IT7 tolerance class, ensuring proper clearance with the mating pin (typically H7/g6 fit). The outer diameter is ground to a press-fit tolerance (r6 or s6), guaranteeing secure installation without spinning in the housing.
Chamfered edges and oil grooves (where specified) are machined to OEM drawings, facilitating lubrication and reducing edge loading. All dimensions are verified using air gauges and CMM, with 100% inspection of critical parameters.
The 380905149 bushings are used in numerous wear-prone assemblies of XCMG motor graders: articulation hinge pins, blade lift linkage pivots, circle drive slide blocks, steering cylinder ends, and front axle kingpins. Their self-lubricating variants are especially beneficial in hard-to-reach locations where regular greasing is impractical. Compatible grader models include GR135, GR165, GR200, GR215, GR300, GR350, and GR2003.
For fleet owners, using genuine XCMG bushings prevents metal-to-metal contact, reduces noise, and minimizes wear on expensive pins and housing bores. The optimized material composition also resists corrosion from deicing salts and acidic mine water.
Press-fit bushings (380905149) must be installed using a properly sized driver or arbor press. Apply a thin layer of anti-seize to the outer diameter to prevent galling. Ensure the bushing is fully seated against the housing shoulder. After installation, check the inner diameter for roundness using a plug gauge; ream if necessary. For flanged bushings, align the oil hole with the grease fitting.
Regularly lubricate bushings every 250 operating hours with NLGI #2 lithium grease. Replace bushings if wear exceeds 0.2 mm on ID or if they show cracks, extrusion, or excessive noise. Always replace bushing and pin as a set. Store spare bushings in a dry, oiled condition in original packaging.
Every XCMG 380905149 bushing is manufactured in ISO 9001:2015 and IATF 16949 certified facilities. 100% of production undergoes dimensional inspection, hardness testing, and visual examination under magnification. A random sample from each batch is subjected to accelerated wear testing on an oscillating tribometer. XCMG provides a 12-month warranty against manufacturing defects.
Counterfeit bushings often use low-grade cast iron or recycled brass with improper alloy composition, leading to rapid wear, seizure, and damage to mating pins. Protect your grader’s pivot points by sourcing only verified 380905149 bushings from authorized XCMG channels.
The XCMG 380905149 bushings are stocked in regional distribution centers across Asia, Europe, the Middle East, Africa, and the Americas. Each bushing is individually wrapped in VCI oiled paper, sealed in a poly bag, and packed in a heavy-duty export carton. Bulk orders (100+ pieces) qualify for volume discounts and reduced shipping costs. Standard lead time is 2–5 business days for stocked regions.
For emergency repairs, express air freight is available. Always reference OEM number 380905149 when ordering. For large fleet rebuilds, XCMG offers bushing kits that include pins, seals, and grease fittings.
Controlled oscillating wear tests (3 million cycles, ±30°, 50 MPa load) show that genuine XCMG 380905149 bushings exhibit only 0.05 mm wear, while generic bronze bushings show 0.22 mm wear and cheap steel-backed bushings delaminate after 1.5 million cycles. The genuine bushing’s optimized tin content reduces adhesive wear and maintains stable friction coefficient throughout the test.
Total cost of ownership analysis reveals that using genuine XCMG bushings extends articulation joint life by 300% and reduces lubrication intervals by 40%. The elimination of premature pin wear also saves expensive shaft replacement costs. For contractors focused on uptime, the 380905149 genuine bushing delivers the best ROI over any aftermarket alternative.
Each shipment of XCMG 380905149 includes a material certificate (EN 10204 3.1), dimensional inspection report, and hardness verification. Digital installation manuals, press-fit calculators, and 3D CAD models are available via the XCMG partner portal. For complex bushing replacement projects, XCMG field support can be arranged through the inquiry button.
Maintain your grader’s articulation precision and structural integrity with genuine XCMG 380905149 bushings – engineered for the most demanding grading conditions worldwide.
XCMG genuine 380905149 bushings – OEM quality, superior wear resistance. For technical datasheets or volume pricing, use the Inquiry Now or Send Email button.
