Our parts are precisely engineered for the CAT E320 series, and rigorously tested under real-world jobsite conditions. Whether you're in construction, mining, demolition, or heavy lifting, our parts hold up. Period.
The Caterpillar E320 series is a global benchmark in excavator performance—and to keep it operating at peak efficiency, you need undercarriage parts that are as tough as the job demands. At Jinjiang Anhai Liancheng Machinery Co., Ltd., we produce CAT 320 excavator undercarriage components that are OEM-compatible, high-strength, and built for long-term field use.
When your CAT’s working nonstop, our parts keep it rolling—no excuses.
Our parts are precisely engineered for the CAT E320 series, and rigorously tested under real-world jobsite conditions. Whether you’re in construction, mining, demolition, or heavy lifting, our parts hold up. Period.
We manufacture and supply:
Track Rollers (Bottom Rollers) – Forged steel, oil-sealed, vibration-absorbing.
Carrier Rollers (Top Rollers) – Balanced load support, durable bearing structure.
Drive Sprockets – High-precision pitch, hardened teeth, impact-resistant.
Front Idlers – Spring-loaded tensioning, robust casting, anti-crack treated.
Track Chains & Track Shoes – Heat-treated, perfectly matched with sprockets and rollers.
These ain't just parts—they’re purpose-built armor for your machine.
Perfect Fit for CAT 320 Series: Compatible with CAT E320B, E320C, E320D, and E320DL models.
High-Strength Forged Steel: All parts forged and CNC-machined for durability and dimensional accuracy.
Advanced Heat Treatment: HRC 52–60 surface hardness with ductile core for impact absorption.
Long-Lasting Seals: Track rollers and carrier rollers sealed for dust and water protection.
100% QC Inspection: Every batch tested for cracks, surface flatness, spline accuracy, and hardness.
It don’t matter where you use them—they just works.
Our CAT E320 undercarriage parts are used by OEM assemblers, heavy machinery repair centers, equipment leasing fleets, and international B2B buyers. These components are suitable for harsh field conditions in earthworks, pipeline construction, stone quarries, and urban demolition projects.
As a leading excavator parts manufacturer in China, we offer a complete industrial chain—from forging, CNC machining, quenching & tempering, to final inspection and packing. With 25,000㎡ of production space, 500+ machines, and 310+ employees, we supply high-volume, high-precision parts to clients in Asia, Europe, South America, and the Middle East.
We don’t just sell metal—we deliver trust, piece by piece.