XCMG Loader Chassis & Structural Parts: Axles, Bearings, Pins, Seals & Frame
The chassis and structural parts form the backbone of the loader, ensuring strength, stability, and long-term durability under heavy working conditions. Using non-genuine structural parts can lead to early fatigue, loose connections, or even frame damage — directly affecting the loader’s safety and service life. XCMG genuine components are manufactured with high-strength materials, advanced heat treatment processes, and precise machining tolerances, guaranteeing superior structural integrity, perfect fitment, and reliable performance in demanding environments.
- Robust Structural Integrity
- Precision Load Distribution
- Long-Term Durability
XCMG Axle & Bearing Systems
XCMG axle and bearing systems provide high precision, long fatigue life, and reliable load support, ensuring smooth operation and structural integrity of the loader under all conditions.
🔩 Bearing Assemblies
Product Range
- Bearing for ZL50GV – Main axle bearing for high-load support.
- Bearing (32024) for ZL50GV – Tapered roller bearing for precision alignment.
- Bearing (32215) for LW300FN – Double-row roller bearing for enhanced durability.
- Knuckle Bearing for LW300FV – Joint bearing enabling smooth articulation.
Technical Specifications
- Precision Classes: P0 / P6 / P5
- Clearance Grades: C0 / C3 / C4
- Heat Treatment: Carburizing and quenching for dimensional stability
🛞 Bushings & Sleeves
Product Range
- Bushing for LW300FN – Standard axle bushing for reliable support.
- Steel Bushing for LW300FN – Heavy-duty steel sleeve for high-load areas.
- Rocker Bushing for ZL50GN – Articulated arm bushing for smooth motion.
Material Properties
- Copper-based alloys, bi-metal materials, and engineering plastics
- High wear resistance, load capacity, and self-lubricating performance
XCMG 12273939 Connecting Rod Lower Bearing Shell For LW300FN
XCMG 13024279 Connecting Rod Upper Bearing Shell For LW300FN
XCMG 13056110 Bearing Shell For LW300FN
XCMG 226800185 Bearing(32028Gb_T297-1994) For ZL50GN
XCMG 252900353 Lower Bearing Cap For ZL50GN
XCMG 275101955 142807Y Bearing For ZL50GV
XCMG 800500249 Bearing For ZL50GV
XCMG 800500254 Bearing(32215) For LW300FN
XCMG 800500278 Bearing For ZL50GV
XCMG 800500278 Bearing(32217) For ZL50GV
XCMG 800511234 Knuckle Bearing For LW300FV
XCMG 800511281 Bearing(32024) For ZL50GV
XCMG 800511304 Bearing For ZL50GV
XCMG 800511320 307 Gb276-89 Bearing For LW300FV
XCMG 800511320 Bearing For LW300FV
XCMG 800511367 Joint Bearing For LW180K
XCMG 800513999 Joint Bearing(GE80ES) For ZL50GV
XCMG 800514015 Bearing For ZL50GN
XCMG 800553943 Bearing For LW300FN
XCMG 800554627 Bearing For ZL50GV
XCMG 800555177 Bearing For LW300FN
XCMG 801902728 Rubber Bearing For LW300FV
XCMG 860135570 Bearing For LW180K
XCMG 860138740 Bearing For LW300FN
XCMG 860140308 Ball Bearing For LW300FN
XCMG 860141337 Bearing For LW180K
XCMG 860141338 32017X Bearing For LW180K
XCMG 860141338 Bearing(32017X) For LW180K
XCMG 250100127 Bushing For LW300FN
XCMG 250200360 Space Bushing For ZL50GV
XCMG 252112051 Bushing For ZL50GV
XCMG 252112095 Rocker Bushing For ZL50GN
XCMG 252600343 Steel Bushing For LW300FN
XCMG 252600350 Bushing For LW300FN
XCMG 252600351 Bushing For LW300FV
XCMG 252900355 Upper Bushing For ZL50GV
XCMG 400402852 Bushing For LW180K
XCMG 400402956 Bushing For LW180K
XCMG Pin & Connection Systems
XCMG pin and connection systems provide high-strength, precise alignment, and secure fastening, ensuring loader structural stability and reliable joint performance under all working conditions.
📍 Critical Pin Components
Product Range
- Bucket Pin for LW300FN – Heavy-duty pin for bucket articulation.
- Hinge Pin for ZL50GN – High-strength hinge pin for reliable pivot motion.
- Front Steering Pin for LW300FV – Precision pin for front steering linkage.
- Lower Articulation Pin for LW180K – Pin for lower articulation joints, ensuring smooth motion.
Manufacturing Process
- Materials: 42CrMo, 40Cr high-strength alloy steel
- Heat Treatment: Quenching and tempering, surface hardening
- Precision: Ground machining with tight tolerance control
🔗 Connection & Fasteners
Product Range
- Pin Shaft for XE210I – Core connection shaft for structural joints.
- Circlip for XE380C – Retaining ring for axial positioning.
- Lock Washer for ZL50GV – Secures bolts and prevents loosening.
Anti-Loosening Design
- Thread locking, mechanical anti-loosening, elastic locking
XCMG 250200356 Guide Pin For ZL50GV
XCMG 250200456 Sub-Frame Pin For ZL50GV
XCMG 251702735 Front Steering Pin For LW300FV
XCMG 251806002 Pin For ZL50GV
XCMG 251806004 Pin For ZL50GN
XCMG 252500317 Pin For ZL50GN
XCMG 252600341 Bucket Pin For LW300FN
XCMG 252600344 Pin For LW300FN
XCMG 252600348 Pin For LW300FN
XCMG 252900390 Upper Hinge Pin For ZL50GV
XCMG 252903797 Lower Hinge Pin For ZL50GV
XCMG 275101738 Planetary Pinion Carrier Assembly For ZL50GV
XCMG 400402945 Pin For LW180K
XCMG 400402951 Lower Articulation Pin For LW180K
XCMG 805600006 Pin For LW300FN
XCMG Structural Frame Components
XCMG structural frame components ensure robust mechanical integrity, precise assembly fit, and long-term durability, while the frame harness systems provide reliable electrical connectivity and protection for all onboard systems.
🏭 Frames & Brackets
Product Range
- Bracket for LW300FV – Mounting support for attachments and components.
- Supporting Seat for ZL50GV – Load-bearing seat for structural stability.
- Indicator Bracket for LW300FN – Secure bracket for gauges and indicators.
Structural Features
- Box-section structures with reinforced ribs for optimized stress distribution
- Advanced welding processes with non-destructive testing and stress relief treatments
🔌 Frame Harness Systems
Product Range
- Frame Harness for ZL50GV – Main chassis wiring for power and signal distribution.
- Front Chassis Harness for LW300FN – Wiring for front frame components.
- Rear Chassis Harness for LW300FN – Wiring for rear frame systems.
Protection Features
- Wear-resistant sleeving, waterproof connectors, and electromagnetic shielding
XCMG 13061194 Bracket For LW300FV
XCMG 251710368 Compressor Bracket For ZL33FV
XCMG 252117019 Indicator Bracket For LW300FN
XCMG 252900306 Clamp Bracket 2 For ZL50GN
XCMG 252908640 HANDBRAKE BRACKET For ZL48GV
XCMG 275100137 Bracket For ZL50GN
XCMG 252115313 Supporting Seat For ZL50GV
XCMG 275102145 Seal Seat For LW300FV
XCMG 2105040126 Intake Valve Seat For LW180K
XCMG Sealing System Solutions
XCMG sealing systems deliver exceptional durability, precise fitment, and robust protection under demanding operational conditions, safeguarding loader performance and longevity.
💎 Seal Kits & Components
Product Range
- Seal Kit for ZL50GV – Complete maintenance kit for hydraulic and mechanical sealing.
- O Ring for LW300FN – Standard O-ring for static and dynamic sealing.
- Oil Seal for XE80C – High-performance oil seal to prevent leakage.
- Dust Proof Seal for XE215C – Protects components from contaminants and debris.
Material Technology
- NBR, FKM, PU, PTFE for different applications
- Operating temperature range: -40°C to +200°C
- Pressure range: Low-pressure to ultra-high-pressure applications
🛡️ Specialized Sealing Solutions
Product Range
- Floating Seal for XE230C – Accommodates shaft movement while preventing leakage.
- Rotary Oil Seal for ZL50GV – Reliable sealing in rotating shafts.
- Main Seal for XE520C – Primary sealing for critical engine or hydraulic components.
Application Scenarios
- High-speed rotation, high-pressure operations, and specialized media environments
XCMG 860117735 Boosting Pump Seal Kit For ZL50GV
XCMG 860138967 Seal Kit For ZL50GV
XCMG 910604113 Steering Cylinder Seal Kit For ZL55GV
XCMG 250200480 Outer Seal Ring For ZL50GV
XCMG 251900441 O Ring For LW300FN
XCMG 252100394 O Ring For ZL50GN
XCMG 275102285 O Ring For ZL50GN
XCMG 400402851 O Ring For LW180K
XCMG 801100113 O Ring For LW300FN
XCMG 801138282 Oil Ring Fb150×180×15D For ZL50GN
XCMG 803164085 Oil Ring B150×180×15D For ZL50GN
XCMG 275102048 Dust Proof Ring(4010-3) For FW300FN
XCMG Chassis Accessory Systems
XCMG chassis accessory systems ensure reliable mobility, effective vibration damping, and prolonged component life, enhancing overall loader performance and operator comfort.
🛞 Running Gear Components
Product Range
- Rim Nut for LW180K – Secure wheel attachment for safe operation.
- Tire Assembly Components – Complete tire units for load-bearing and traction.
- Wheel Hub Assemblies – Central hub components for smooth rotation and load transfer.
🚗 Suspension & Damping
Product Range
- Shock Absorber for ZL55GV – Absorbs impact and enhances ride stability.
- Vibration Damper for XE215C – Reduces operational vibrations and protects structural components.
- Rubber Bearing for LW300FV – Flexible support to absorb shocks and reduce wear.
XCMG 860141871 Rim Nut For LW180K
XCMG 860148408 Shock Absorber For ZL55GV
XCMG 801902728 Rubber Bearing For LW300FV
Why Choose XCMG Loader Chassis & Structural Parts？
XCMG loader chassis and structural parts are engineered to provide maximum strength, precision, and durability. Using genuine components ensures that your loader maintains structural integrity under heavy loads, minimizes fatigue and wear, and prevents early failures caused by poor-quality or incompatible parts. Advanced materials, optimized heat treatments, and strict dimensional tolerances guarantee that every axle, pin, bearing, seal, and frame component delivers reliable performance, safety, and long-term operational efficiency across all working conditions. Choosing XCMG parts means investing in peace of mind, productivity, and equipment longevity.
Maximum Strength & Durability
High-quality materials and precise heat treatment ensure structural integrity under heavy loads.
Reliable Fit & Performance
Strict dimensional tolerances guarantee seamless assembly and long-term operational stability.
Safety & Longevity
Genuine parts reduce wear, prevent early failures, and enhance overall chassis safety.
XCMG Chassis System Architecture
XCMG chassis architecture ensures robust structural integrity, high fatigue resistance, and superior operational stability for loaders across all working conditions.
⚙️ Structural Design Concept
- Load Analysis: Engineering calculations for static load, dynamic impact, and fatigue load.
- Stress Distribution: Finite element analysis to optimize stress patterns and reduce stress concentrations.
- Modular Design: Integrated modules for front frame, rear frame, and working attachments for easier maintenance and replacement.
📊 Structural Performance Indicators
- Load Capacity: Rated load, ultimate load, and safety factor.
- Fatigue Life: Designed lifecycle with detailed load spectrum analysis.
- Stiffness Characteristics: Torsional stiffness, bending stiffness, and dynamic stiffness for stable operation under varying conditions.
XCMG Loader Maintenance & Inspection
XCMG maintenance and inspection guidelines ensure long-term chassis reliability, safe operation, and optimal structural performance.
🔧 Regular Inspection Procedures
Daily Check Items
- Inspect pin shafts for looseness and seals for leaks
- Visual inspection for structural cracks and listen for abnormal noises
- Monitor bearing temperatures and measure wear clearances
Professional Inspection Intervals
- Magnetic Particle Testing: Annual check for critical components
- Ultrasonic Testing: Key structural parts for hidden defects
- Dimensional Accuracy Measurement: During major overhauls
🛠️ Preventive Maintenance Plan
Lubrication Maintenance
- Lubrication Interval: Every 8 hours or daily
- Lubricant Selection: Lithium-based grease, extreme pressure lithium grease
- Oil Quantity Control: Apply adequate amount without overfilling
Fastener Checks
- Torque Recheck: Weekly or every 250 hours
- Anti-Loosening Inspection: Focus on vibration-prone areas
- Replacement Standard: Replace when wear exceeds limit
Fault Diagnosis & Treatment
XCMG fault diagnosis systems provide rapid identification of issues, reliable on-site monitoring, and actionable solutions to maintain loader chassis integrity and operational safety.
⚠️ Common Fault Modes
Wear Faults
- Pin shaft wear and increased bearing clearance
- Seal aging and structural component fatigue
- Diagnosis methods include visual inspection, measurement, and replacement based on wear limits
Fracture Faults
- Stress concentration fractures and fatigue fractures
- Overload fractures and material defects
- Failure analysis guides preventive measures and component upgrades
🔍 On-Site Diagnostic Techniques
- Vibration Analysis: Monitor bearing condition and detect looseness
- Temperature Monitoring: Overheat warning and lubrication assessment
- Oil Analysis: Detect wear particles and control contamination
Model-Specific Solutions
📋 Structural Features by Model
- LW300 Series: Reinforced frame with heavy-duty bearing configuration
- ZL50G Series: Mature structural design with optimized stress distribution
- Compact Loaders: Lightweight, compact frame for tight operation
- Special Conditions: Mine-version and high-altitude variants with dedicated structural components
Quality Assurance & Certification
✅ Quality Assurance System
- Material Certification: Proof of material properties and mechanical testing
- Process Control: Heat treatment records and machining precision verification
- Performance Testing: Bench testing, fatigue testing, and durability trials
- Traceability System: Batch tracking and comprehensive quality documentation
FAQs of XCMG Loader Chassis & Structural Parts
Measure pin diameter and compare to original specs. Typically replace when wear exceeds 1% of diameter or visible scoring is present.
Refer to our technical datasheets for specific torque values. Critical connections require torque-plus-angle method for accuracy.
Listen for unusual noises, monitor temperature increases, and check for vibration patterns. Early detection prevents catastrophic failures.
Depends on damage extent. We provide repair-or-replace guidelines based on engineering assessment and safety considerations.
Xuzhou City, China
Shipping Address: Yindi machinery market, Jiawang District,Xuzhou City, Jiangsu Province, China
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