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Our most-requested undercarriage bolt solutions — built for the demanding construction and energy sectors of Azerbaijan.
High-Strength Segment Bolt 5P7665 & Nut 7H3608 for D8N D8R — China Suppliers & Factory for Bulldozer Parts
China Suppliers Factory Direct E320 Track Bushing — 40Cr Steel for 20–50 Ton Excavators, Long-lasting Performance
High-Quality Excavator Undercarriage Track Roller Bolt — China Suppliers & Factory for Heavy-Duty Performance
Hengsheng PC60-6-7/PC75 Track Roller, Excavator Undercarriage Parts, Original Quality
Understanding the local industrial landscape and the growing demand for high-performance undercarriage components across key sectors.
Azerbaijan's economy is heavily driven by its vast oil and gas reserves, particularly in the Caspian Sea region. The ongoing extraction, pipeline construction, and refinery maintenance projects demand large fleets of excavators and bulldozers operating in harsh environments. Track roller bolts are critical fasteners that keep these machines running reliably — making reliable supply chains essential for operators in Baku, Sumgayit, and the Absheron Peninsula.
Azerbaijan has been undergoing rapid infrastructure development, including highway expansion, urban construction in Baku, and post-conflict reconstruction projects in the Karabakh region. These large-scale civil engineering projects rely extensively on tracked heavy machinery. The demand for replacement undercarriage parts — especially track roller bolts, track links, and bushings — has surged significantly as contractors seek cost-effective, high-quality sourcing alternatives to OEM parts.
The mining sector in Azerbaijan, including extraction of iron ore, alunite, and construction aggregates, operates fleets of Komatsu, Caterpillar, and Hitachi excavators. These machines face extreme wear conditions requiring frequent replacement of undercarriage components. Track roller bolts must meet high torque specifications and resist loosening under vibration — a standard our M20×2.5×90 and M16×50 bolts are engineered to exceed.
Azerbaijan's government has prioritized agricultural modernization and irrigation infrastructure development. Bulldozers and tracked loaders are widely deployed for land leveling, drainage canal construction, and soil preparation across the Kura-Araz lowlands. High-strength track bolts and segment bolts are regularly sourced from reliable international suppliers to maintain uptime during critical planting and harvest seasons.
The Baku-Tbilisi-Kars railway corridor and the expansion of the Baku International Sea Trade Port are flagship projects requiring heavy earthmoving equipment. Track-type tractors and excavators are deployed throughout these projects, creating consistent demand for undercarriage maintenance parts including track roller bolts, sprocket bolts, and wheel stud bolts — all of which we supply directly from our factory in Fujian, China.
Azerbaijan hosts a growing network of heavy equipment dealers, maintenance workshops, and parts distributors — particularly in Baku and Ganja. These businesses are actively sourcing OEM-equivalent undercarriage components from China to offer competitive pricing to local contractors. Our factory provides wholesale pricing, custom packaging, and rapid shipping to support these distribution partners across the country.
Our factory's main products include: track roller (bottom roller), carrier roller (top roller), sprocket, idler, track link assembly, track shoe, bushing & pin, bucket teeth, high-strength bolts and nuts.
Welcome To Learn About Our Company
Quanzhou Hesen Machinery Industry Co., Ltd, located in Fujian Province, China. We have more than 30 years of experience as a manufacturer, founded in 1990. We are a factory specialized in high-strength bolts and nuts, bucket teeth, pin & bush, excavator and bulldozer undercarriage parts. We also have a warehouse to store parts and provide quick delivery for our customers. It is a company which combines professional design, development, production, and sales. Our products have obtained strong markets both domestically and internationally — including the growing Azerbaijan market.
View MoreYears Industry Experience
Factory Area (m²)
Employees
R&D Engineers
We understand the specific demands of the Azerbaijan heavy equipment market and deliver solutions that keep your machines running at peak performance.
As a manufacturer with over 30 years of experience, we eliminate middlemen and offer factory-direct pricing. For Azerbaijan importers and distributors, this translates to significant cost savings on bulk orders of track roller bolts, segment bolts, and undercarriage components.
Our track roller bolts are manufactured from alloy steel (40Cr, 42CrMo) and heat-treated to achieve Grade 10.9 and 12.9 specifications. They meet or exceed OEM torque requirements for Komatsu, Caterpillar, Hitachi, and Doosan machines operating in Azerbaijan's tough conditions.
We ship regularly to Baku and other ports via sea freight and air express. Our warehouse inventory ensures short lead times, and we can handle full container loads (FCL) or less-than-container loads (LCL) to suit your order volume and urgency.
Every batch of track roller bolts undergoes hardness testing, tensile strength verification, and dimensional inspection before shipment. We provide material certificates and test reports upon request, ensuring full traceability for our Azerbaijan customers.
We offer neutral packaging, custom branding, and OEM labeling services for distributors in Azerbaijan who wish to market under their own brand. Minimum order quantities are flexible to accommodate both small dealers and large-scale procurement contracts.
Hesen products are exported to over 50 countries across the Middle East, Central Asia, Europe, and Africa. Our growing presence in the CIS region — including Azerbaijan, Kazakhstan, and Georgia — reflects our commitment to serving these strategically important markets.
The track roller bolt is one of the most frequently replaced fasteners in excavator and bulldozer undercarriage systems. It secures the bottom roller (track roller) assembly to the track frame, withstanding enormous dynamic loads, vibration, and shock forces during operation. In Azerbaijan's construction and mining environments — where machines often work in rocky terrain, clay soils, and extreme temperatures — using substandard bolts leads to premature failure, costly downtime, and safety hazards. Our M20×2.5×90 track roller bolts for Komatsu PC200, and equivalent specifications for CAT, Hitachi, and Doosan models, are engineered to deliver maximum clamping force retention and resistance to loosening, ensuring your machines stay productive longer between maintenance intervals.
Key developments shaping the future of track roller bolt and undercarriage parts procurement in the Azerbaijani market.
The reconstruction of the Karabakh region following the 2020 conflict has unleashed a massive wave of infrastructure investment. Hundreds of excavators and bulldozers are deployed for road building, housing construction, and utility installation. This has created an urgent and sustained demand for undercarriage parts and high-strength fasteners from reliable international suppliers.
As equipment operators in Azerbaijan seek to reduce operating costs, there is a clear trend toward sourcing high-quality aftermarket undercarriage parts from Chinese manufacturers. Our factory-direct pricing and OEM-equivalent quality position Hesen as a preferred supplier for this growing segment of the market.
Azerbaijan's role as a transit hub on the Middle Corridor (Trans-Caspian International Transport Route) is driving investment in port capacity, logistics infrastructure, and industrial zones. This creates additional demand for heavy construction equipment and their maintenance parts throughout the country.
Azerbaijan has announced ambitious renewable energy targets, including large-scale solar and wind farm construction in the Absheron Peninsula and Karabakh. Site preparation for these projects requires extensive earthmoving, driving demand for tracked machinery and their consumable undercarriage components.
Azerbaijani equipment managers are increasingly using online platforms and B2B portals to source parts directly from Chinese manufacturers. This trend has accelerated post-pandemic and enables buyers to compare specifications, request custom sizes, and manage orders efficiently — making our online catalog and responsive sales team more valuable than ever.
Major contractors operating in Azerbaijan are building local parts warehouses to minimize downtime. This creates bulk purchasing opportunities for track roller bolts, segment bolts, and related fasteners. Hesen's ability to supply full container loads with consistent quality and documentation makes us an ideal long-term partner for these inventory programs.
Our factory's main products include: track roller (bottom roller), carrier roller (top roller), sprocket, idler, track link assembly, track shoe, bushing & pin, bucket teeth, high-strength bolts and nuts.
20Y-32-00300 OEM Quality Track Link For PC200 Excavator
Offered directly from our own factory, our premium excavator track link ensures fast delivery and stable supply. Built to OEM specifications for Komatsu PC200 machines deployed across Azerbaijan's construction sites.
View More ›Excavator Undercarriage Parts Track Roller — PC200-5/7/8
The Roller is engineered as a premium replacement for Komatsu PC200 excavators, delivering OEM-matching performance for Azerbaijan's demanding terrain and climate conditions.
View More ›20Y-30-00022 Durable Undercarriage Replacement Top Roller Carrier
This PC200 Top Roller is a heavy-duty undercarriage part designed for Komatsu excavators, made from high-strength alloy steel — ideal for Azerbaijan's oil field and infrastructure projects.
View More ›6Y4898 Caterpillar E320 E325D E330 E320D CAT320 Excavator Sprocket
This E320 sprocket is a high-quality undercarriage part specially designed for Caterpillar excavators. Forged from premium steel for maximum durability in Azerbaijan's mining and construction environments.
View More ›Manufacturer Excavator Front Idler for Daewoo DH220 DX225
This DH220 idler is a high-performance undercarriage component designed for Doosan excavators. Constructed from high-grade steel for reliable operation on Azerbaijan's infrastructure projects.
View More ›M20×57 Track Bolt Nut for PC200-3 EX200-5 DH220 R220 Chain Link
Hesen's M20×57 track bolt nut is designed to fit excavator track chains securely and reliably. Manufactured with high-strength alloy steel and precision threading for Azerbaijan's heavy equipment fleets.
View More ›5J4773 2J3506 High-Strength Plow Bolt & Nut for Caterpillar
Our Plow Bolt 5J4773 and Nut 2J3506 are high-strength fasteners designed for cutting edges, blades, and track systems — widely used by Azerbaijan's road construction and land reclamation contractors.
View More ›5P7665 7H3608 Segment Bolt & Nut for D8N D8R Bulldozer
Hesen Industrial offers D8N Segment Bolt 5P7665 and Nut 7H3608 (3/4×66) for bulldozer track sprocket assembly — a popular product for Azerbaijan's land clearing and earthmoving operations.
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From our factory in Fujian, China, we supply track roller bolts, undercarriage parts, and high-strength fasteners to customers across Azerbaijan, the CIS region, and over 50 countries worldwide. Our global logistics network ensures reliable and timely delivery to Baku and beyond.
We warmly welcome partners and friends from all over the world to visit our factory in person.
2026-02-28
In 2025, Quanzhou Hesen Machinery reached a historic breakthrough with overall performance soaring by 30% to an all-time high. As a professional and experienced manufacturer of excavator and bulldozer undercarriage parts...
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2026-02-28
Quanzhou Hesen Machinery is a global supplier of excavator and bulldozer parts, with over 20 years of experience. At the beginning of 2026, Quanzhou Hesen Machinery is pleased to announce that our new product inventory is now ready for shipment...
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2026-02-28
As a professional manufacturer of dozer & excavator undercarriage parts, Quanzhou Hesen Machinery has been actively expanding its global presence. With more than 30 years of manufacturing experience, we exhibit at major industry trade shows...
View More ›A comprehensive range of excavator and bulldozer undercarriage components — all available for direct export to Azerbaijan from our Fujian factory.
OEM China Excavator Top Roller for PC60-5 from Reliable Suppliers and Factory — Komatsu Undercarriage Parts
HeSen China Excavator Track Chain / Track Link — Durable Solutions from Reliable Suppliers and Factory
9W3619 9W3361 Track Bolt and Nut — Bolts Track for CAT Excavator
High-Quality 40Cr Steel Excavator Track Pin 36.7×210MM — China Factory Direct Supplies for E320 Excavator
High-Strength Segment Bolt 5P7665 & Nut 7H3608 for D8N D8R — China Suppliers & Factory for Bulldozer Parts
China Suppliers Factory Direct E320 Track Bushing — 40Cr Steel for 20–50 Ton Excavators, Long-lasting Performance
High-Quality Excavator Undercarriage Track Roller Bolt — China Suppliers & Factory for Heavy-Duty Performance
Hengsheng PC60-6-7/PC75 Track Roller — Excavator Undercarriage Parts, Original Quality