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Product Overview
The track chain assembly (track chain assy) is a core undercarriage component that supports the machine’s weight and transfers driving force from the sprocket to the ground. It works together with the sprocket, idler, rollers, and track shoes to ensure smooth and reliable machine travel.
Our track chain assemblies are manufactured under strict quality standards to deliver high strength, excellent wear resistance, and long service life, making them suitable for construction, earthmoving, and mining applications.
Key Specifications
| Item | Description |
| Product Name | Track Chain Assy / Track Link Assembly |
| Application | Excavator & Bulldozer Undercarriage |
| Chain Type | Lubricated / Sealed & Lubricated (SAL) |
| Material | 35MnB |
| Manufacturing Process | Forged & Machined |
| Heat Treatment | Quenched & Tempered |
| Pin & Bush | Heat Treated Alloy Steel |
| Surface Hardness | HRC 48–56 (Typical) |
| Track Pitch | Standard / Optional |
| Color | Yellow / Black / Custom |
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Key Features
High Structural Strength – Forged links ensure excellent load-bearing capacity
Superior Wear Resistance – Heat-treated pins and bushes extend service life
Reliable Lubrication System – SAL structure reduces internal wear
Stable Power Transmission – Smooth engagement with sprocket teeth
Reduced Maintenance Cost – Longer service intervals and less downtime
Applications
The track chain assembly is widely used in:
General construction projects
Earthmoving and excavation work
Road and infrastructure construction
Mining and quarry applications
Suitable for standard, heavy-duty, and severe working conditions.
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Compatible Machines
CAT / KOMATSU / HITACHI / VOLVO / JCB / DOOSAN / HYUNDAI series
Excavators and bulldozers using undercarriage systems
For exact compatibility (e.g. CAT 320 / KOMATSU PC200 / Bulldozer models), please contact us with your machine model or serial number.
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Manufacturing & Quality Control
High-quality alloy steel raw material
Precision forging and CNC machining
Professional heat treatment for links, pins, and bushes
Dimensional inspection and hardness testing
100% inspection before delivery
Each track chain assembly is strictly inspected to ensure consistent quality and performance.
Packaging & Delivery
Packing: Steel frame / Wooden case / Pallet
Export-standard anti-rust protection
OEM & ODM service available
Stable supply for bulk and long-term orders
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Why Choose Us
Professional Undercarriage Parts Manufacturer
Rich experience with track chain assemblies
Stable quality and competitive factory pricing
Fast response and reliable technical support
Inquiry
Looking for reliable track chain assemblies for your excavators or bulldozers?
Contact us today for price, lead time, and technical support.
Custom branding and packaging are available.
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