LIUGONG CLG965 Track Front Idler / Guide Wheel Assembly (P/N: 51C1110) | Heavy-Duty Excavator Undercarriage Parts | Manufacturer HELI (CQCTRACK)

Professional manufacturer HELI (CQCTRACK) supplies OEM-spec track front idler assemblies (P/N: 51C1110) for LIUGONG CLG965 excavators. Built for harsh mining with superior wear/impact resistance, advanced sealing, and robust bearing systems. Factory-direct ODM/OEM & full customization support.

1. Product Overview: Critical Forward Guidance & Tensioning Component

The Track Front Idler Assembly, also referred to as the Guide Wheel Assembly, is a pivotal structural and functional component within the undercarriage system of the LIUGONG CLG965 heavy-duty crawler excavator. Manufactured to precise OEM specifications under part number 51C1110 by HELI (CQCTRACK), a leading global specialist in undercarriage solutions, this assembly serves as the forward-most point of the track frame. Its primary functions are to guide the track chain onto the correct path, provide the anchor point for track tension adjustment, and absorb initial impact loads during machine travel. Its performance is directly linked to track alignment stability, travel efficiency, and overall undercarriage component life.

2. Engineered for Harsh Mining & Heavy-Duty Operation

Mining, quarrying, and large-scale earthmoving projects create an operating environment characterized by severe abrasion, high-impact shocks, and pervasive contamination. The HELI (CQCTRACK) Front Idler for the LIUGONG CLG965 is specifically designed to withstand these extremes:

• Exceptional Abrasion & Wear Resistance: The idler wheel is precision-forged from high-grade, high-carbon alloy steel (e.g., 50Mn/60Si2Mn). The running surface and flanges undergo a controlled deep induction hardening process, achieving an optimal hardened case depth with a surface hardness of HRC 58-62. This provides maximum resistance to abrasive wear from track bushing contact and ground materials, while a tough core (HRC 32-40) ensures structural integrity.
• High-Impact Load Capacity: The robust design, including a reinforced hub and high-tensile steel shaft, is engineered to absorb and distribute the shock loads generated when the track chain engages over rocky, uneven terrain, preventing deformation and cracking.
• Advanced Contaminant Exclusion System: A proprietary multi-stage, labyrinth-style sealing system is employed. This integrates floating radial seals, grease-filled labyrinth channels, and heavy-duty external dust guards. Packed with high-viscosity, water-resistant lithium-complex grease, this system effectively blocks the ingress of fine abrasive dust, mud, and water, which are the primary causes of premature bearing failure in demanding environments.

3. Technical Specifications & Performance Features

• Precision Manufacturing for Perfect Fit: Fabricated to exact LIUGONG OEM dimensional standards for outer diameter (OD), total width, flange profile, mounting bore size, and bolt pattern. Guarantees seamless interchangeability, correct alignment with the track chain, and proper interface with the tensioning mechanism.
• Robust Construction & Premium Materials:
  • Idler Wheel/Rim: Forged alloy steel, deep case hardened for extended service life.
  • Shaft & Hub Assembly: High-strength steel, precision-machined, ground, and often treated for corrosion resistance.
  • Bearing System: Utilizes high-capacity tapered roller bearings or spherical roller bearings, selected for optimal performance under significant radial and axial (thrust) loads encountered during turning and side-hill operation.
  • Sealing Assembly: Multi-component, labyrinth-design seals built to withstand high-pressure washing and prolonged exposure to contaminants.
  • Wear Bushings/Sleeves: Hardened and replaceable wear components at the mounting interface to protect the idler housing and track frame from wear.
• Performance & Reliability: Engineered based on dynamic load analysis to meet the rigorous duty cycle and weight class of the LIUGONG CLG965 excavator, ensuring reliable performance under continuous operation.

4. Manufacturer’s Capability: HELI (CQCTRACK) Expertise

HELI (CQCTRACK) is a vertically integrated manufacturer with extensive experience in supplying high-wear undercarriage components to the global market.

• OEM/ODM Manufacturing Leader: We operate with dual competency: as a reliable OEM supplier adhering to exact specifications, and as a full-service Original Design Manufacturer (ODM), capable of producing components from provided samples, sketches, or detailed 2D/3D technical drawings.
• Complete In-House Production Control: Our integrated manufacturing process includes material forging, CNC precision machining, automated heat treatment, robotic welding, assembly, and comprehensive testing. This ensures stringent quality control at every stage and offers significant cost advantages through factory-direct pricing.
• Stringent Quality Assurance System: Production is managed under an ISO 9001:2015 certified Quality Management System. Rigorous batch testing includes: material spectroscopy, hardness and case depth verification, dimensional inspection via Coordinate Measuring Machine (CMM), seal performance testing, and rotational torque analysis.
• Engineering Support & Customization: Our technical R&D team can provide application-specific engineering solutions, including material upgrades for extreme conditions, seal enhancements, or dimensional modifications for custom or rebuilt equipment.

5. Maintenance, Inspection & Service Life Optimization

• Routine Inspection: Regularly check for abnormal or uneven wear on the idler rim and flanges. Monitor for signs of oil or grease leakage from the seals, which indicates seal failure. Check for smooth, free rotation and the absence of excessive lateral play.
• Proper Lubrication: Adhere to the machine’s service manual for lubrication intervals of the idler’s grease fittings. Use only recommended high-pressure, high-temperature grease to maintain the internal seal cavity and purge potential contaminants.
• Wear Measurement: Periodically measure the reduction in idler outer diameter and flange side thickness against the manufacturer’s specified wear limits. Operating beyond these limits compromises track guidance and can lead to accelerated wear of other undercarriage components.
• System-Wear Management: For optimal undercarriage economy and performance, assess idler wear in conjunction with the track chain (pins & bushings), sprocket, and bottom rollers. Replacing severely worn components in a matched set is often the most cost-effective strategy to achieve balanced wear and extended overall life.

6. Machine Compatibility & Application

• Primary Application: This assembly is engineered as a direct, bolt-on replacement for the LIUGONG CLG965 crawler excavator.
• OEM Part Number Interchange: Directly replaces the LIUGONG genuine part number 51C1110.

7. Factory Direct Sales & Customization Services

• Competitive Direct Pricing: By manufacturing and selling directly, HELI (CQCTRACK) provides OEM-comparable quality at highly competitive factory prices, offering excellent value for distributors, dealers, and end-users, especially for volume orders.
• Full Customization from Samples or Drawings: We specialize in producing components based on customer-provided original samples, drawings, or CAD models. This ODM service is ideal for private label programs, specific aftermarket requirements, or custom machinery projects.
• Global Logistics & Export Support: We offer comprehensive export services with professional packaging, complete commercial and shipping documentation, and flexible trade terms (FOB, CIF, DAP, etc.) to ensure reliable delivery to destinations worldwide.

8. Comprehensive After-Sales Support & Warranty

• Technical Consultation: Our experienced sales and engineering teams provide pre-sales and after-sales technical support for product selection, cross-referencing, installation guidance, and troubleshooting.
• Product Warranty: All our front idler assemblies are backed by a standard warranty against defects in material and workmanship, ensuring customer confidence and product reliability.
• Supply Chain Stability: We maintain strategic inventory and production planning to ensure consistent product availability and support our clients’ operational and maintenance schedules.

9. Conclusion

The LIUGONG 51C1110 CLG965 Track Front Idler Assembly from HELI (CQCTRACK) represents the optimal combination of durable engineering, precise manufacturing, and direct-supplier value. Designed to excel in the most demanding mining and construction environments, it delivers reliable performance that safeguards machine uptime and optimizes total undercarriage cost-of-ownership. As your dedicated undercarriage manufacturing partner, we are committed to providing high-performance components supported by expert engineering and flexible production capabilities.

Contact us today for detailed technical specifications, a competitive quotation, or to discuss your custom ODM/OEM project requirements.