The global construction industry relies on machines that deliver consistent power, reliability, and flexibility. Among thousands of excavator models in the market, one stands out across job sites, rental fleets, and equipment yards—the Caterpillar 320 Series. With years of proven performance, easy serviceability, and a wide range of compatible attachments, the CAT 320 is widely regarded as the most popular and commonly used excavator model worldwide.

Why do contractors and operators keep choosing this model again and again? The answer lies in its perfect balance. The CAT 320 hits the sweet spot for size, weight, fuel efficiency, and breakout force. It suits general excavation, utility trenching, material handling, and light demolition. Weighing around 20–22 tons depending on the version, it’s ideal for mid-size projects where a compact machine would struggle, and a large one would be overkill.
Its popularity also comes from Caterpillar’s global support network. Parts availability, operator familiarity, and ease of training make it the go-to choice for many companies with diverse fleets. It’s not just about the machine—it’s about keeping downtime low and jobsite productivity high.
At Fulian Machinery, we provide full undercarriage solutions designed specifically for high-use machines like the CAT 320. Our track groups, bottom rollers, idlers, sprockets, and tensioners are engineered to match OEM specs and exceed durability expectations. Whether you operate newer 320GC models or legacy units like the 320D or 320E, Fulian has the right fit to restore and strengthen your machine’s foundation.

Our factory-certified production ensures every part passes rigorous testing. We serve clients in over 60 countries, including contractors, rental yards, and OEM distributors. If your CAT 320 needs a rebuild or routine undercarriage replacement, we are ready with fast delivery, high precision, and unbeatable value.
Choosing the right model is step one. Supporting it with quality parts is where Fulian comes in. Let us help you extend the life of your most valuable machines with dependable solutions built for real-world conditions.
Reach out now to get a quote for CAT 320 undercarriage components or ask about other excavator models. Fulian—trusted by pros who move the world.
Fulian Operation Team
2025.7.18