Wholesale 72 Pitch Mini Excavator Track Link Assy Factory

The 72 pitch mini excavator track link assembly is a heavy-duty undercarriage component engineered to transmit driving torque and support machine payload. Although operating under constant ground friction, this link assembly plays a vital role in ensuring machine stability, track tension integrity, and operational efficiency during demanding earthmoving jobs. A premium track link must guarantee precision fitment while delivering long-term safety and high structural reliability under severe working conditions.

• Precision OEM Dimensions: GFM manufactures the 72 pitch track link assembly in strict compliance with original manufacturer specifications, ensuring seamless alignment with sprockets, bottom rollers, and front idlers. This engineered fit makes field installations fast and effortless, effectively minimizing equipment downtime.
• Superior Hardness & Wear Resistance: Forged from premium 35MnB alloy steel and processed with advanced computer-controlled induction hardening, our rail surfaces achieve a deep hardness depth with surface hardness reaching 48-52 HRC. This offers outstanding resistance to abrasive wear, even in challenging mining, quarry, and heavy construction environments.
• High Impact & Bending Strength: Built for tough digging, the 72 pitch link plates deliver core tensile strength exceeding 1000 MPa after professional heat treatment. It withstands extreme breakout forces and continuous shock loads without bending, cracking, or link plate separation.
• Secure Sealed Pin & Bushing Joint: Paired with high-grade synthetic polyurethane seals and precision ground pins, the assembly retains internal lubricant within the joint cavity. This secure retention prevents pin-and-bushing galling, guarding against premature track pitch extension or costly chain breakage.
• Reduced Maintenance Overhead: The extended wear life of both the forged link plates and internal pin joints significantly lowers replacement frequency. This helps fleet operators cut long-term maintenance costs while maintaining continuous site productivity.

Designed for high performance, the 72 pitch track link assembly is widely utilized across urban trenching, utility excavation, and landscaping operations. Every batch undergoes rigorous dimensional checks, Rockwell hardness testing, and magnetic particle flaw inspection to meet global quality expectations. To back this exceptional durability, GFM provides a reliable quality warranty of at least 1 year or 2000 operating hours.

Product Description

• Technique: Forging 
• Raw Material: 35MnBH/40Mn2
• MOQ: 1 PC
• Payment Method: T/T
• Brand: GFM
• Condition: New
• Color: Yellow, Black or Customized
• Lead Time: 30 days
• Warranty: 1 Year
• Service: OEM or ODM
• Place of Origin: Fujian, China
• Application: Excavator
• Packing: Standard Export Wooden Pallet

Features

• High Durability– Built with premium alloy steel to withstand heavy use.
• Perfect Fit– Precision-crafted for seamless compatibility with major excavator brands.
• Enhanced Strength– Heat-treated for superior hardness and wear resistance.
• Corrosion Resistant– Special coating protects against rust in tough conditions.
• Smooth Operation– Low friction design ensures quiet and efficient performance.
• Quick Installation– Easy to assemble, saving time and reducing downtime.

Specifications

Product Models

Production Process

Packaging and Shipping

Factory Advantages

Established in 2011, GFM is a specialized B2B track link assy factory producing excavator and bulldozer undercarriage components. Our facility incorporates forging presses, automated heat-treatment lines, digital hardness testers, and magnetic particle flaw inspection systems to deliver parts matching strict industry benchmarks.

Our comprehensive product catalog features undercarriage assemblies including track rollers, carrier rollers, front idlers, sprockets, track shoes, track chains, and complete track link assembly units, complemented by bucket teeth, pins, bushings, bolts, and nuts.

• Production Capacity & Logistics: Equipped to process large fleet orders and routine distributor inventory requests with reliable turnaround times for international shipment.

• Comprehensive Quality Guarantee: Every shipped order includes a standard quality warranty of no less than 1 year or 2000 operational hours.

• Global Compatibility: Engineered for replacement across major brands including Komatsu, Caterpillar, Hitachi, Volvo, Kobelco, Doosan, Hyundai, Takeuchi, Yanmar, SANY, LiuGong, and XCMG.

Optimize your spare parts supply chain with high-durability undercarriage solutions. GFM supports global distributors, regional machinery dealers, and repair fleets with factory-direct pricing, scalable order fulfillment, and dedicated warranty coverage. Contact us today to request a quotation or get a free product sample for your fleet evaluations!