Used Caterpillar Excavators Specs
Welcome to the global hub for premium used Caterpillar excavators. For over 20 years, Shanghai Yonggong Trading Co., Ltd. has specialized in exporting high-quality, rigorously inspected heavy machinery to contractors, mining operations, and construction firms worldwide. Whether you are managing large-scale infrastructure projects in North America, navigating the rugged mining terrains of Peru and Chile, or expanding urban development in Colombia and Mexico, our inventory of used CAT excavators delivers the power, durability, and fuel efficiency your fleet demands.
Caterpillar (CAT) remains the undisputed gold standard in heavy earthmoving equipment. Known for their robust undercarriages, advanced ACERT™ engine technology, and exceptional resale value, CAT excavators provide a lower total cost of ownership compared to other brands. By purchasing a certified used Caterpillar from Yong Gong, you gain access to tier-one machinery at a fraction of the cost of buying new, backed by our ISO9001-2000 quality certification and stringent export protocols.
Understanding Caterpillar Specifications: The Role of Operating Weight
When selecting the right machine for your project, evaluating the technical specifications accurately is critical for safety and operational efficiency. One of the most misunderstood metrics in heavy machinery is operating weight. It is crucial to note that an excavator’s operating weight refers strictly to the machine’s static weight. This metric dictates your logistics, transportation requirements (such as trailer sizing and bridge weight limits), and ground stability when operating on soft terrain. It does not indicate the machine’s hourly production capacity or digging force. Production capacity is instead a function of engine horsepower, hydraulic flow rate, bucket capacity, and cycle times. Understanding this distinction ensures you procure the exact machine needed for your site logistics and operational goals.
Explore Our Current Inventory of Used CAT Excavators
Review our real-time inventory below. We stock a comprehensive range of models, from versatile mini excavators ideal for tight urban landscaping to massive heavy-duty track hoes designed for continuous quarry extraction. If a price is listed as “Consult,” please reach out to our team for a custom quote that includes international shipping logistics to your specific port.
| Used Excavator Image | Excavator Title | Excavator Brand | Excavator Class | Operating Weight | Engine Model & Net Power | Max Dig Depth | Bucket Capacity | Transport Dimensions: Length, Width, Height | Applications | Working Hours | Production Year | Price | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Used Caterpillar CAT 336 Excavator Made in Japan | Caterpillar | Large | 36 T | CAT C9 268 HP | 7.5 m | 1.5 m³ | 11.1 x 3.2 x 3.3 m | Utilities - Oil & Gas Pipeline Trenching | 950 H | 2024 | Consult | |
 | Used 2022 Caterpillar CAT 308 Excavator EPA Tier 4 | Caterpillar | Mini | 8 T | CAT C3.3B 70 HP | 4.1 m | 0.3 m³ | 6.3 x 2.3 x 2.5 m | Roadwork - Gravel / Concrete / Asphalt Driveways | 245 H | 2022 | Consult | |
 | Used Caterpillar Excavator CAT 420 Yong Gong | Caterpillar | Large | 42 T | CAT C3.6 100 HP | 4.3 m | 1.0 m³ | 7.3 x 2.3 x 2.8 m | Mining - Mining & Quarry Excavation Quarrying - Mining & Quarry Excavation | 300 H | 2023 | $26,000 | |
 | Used Caterpillar Excavator CAT 330D2 Yong Gong | Caterpillar | Large | 33 T | CAT C7.1 275 HP | 7.2 m | 1.5 m³ | 10.4 x 3.1 x 3.2 m | Demolition - Demolition & Waste Removal | 3158 H | 2018 | $43,000 | |
 | Used Caterpillar Excavators CAT323 | Caterpillar | Large | 32.3 T | CAT C7.1 164 HP | 6.7 m | 1.2 m³ | 9.5 x 2.9 x 3.1 m | Demolition - Demolition & Waste Removal | 500 H | 2023 | $58,000 | |
 | Used Caterpillar Excavator CAT330 | Caterpillar | Large | 33 T | CAT C7.1 275 HP | 7.2 m | 1.5 m³ | 10.4 x 3.1 x 3.2 m | Demolition - Demolition & Waste Removal | 742 H | 2024 | $95,000 | |
 | Used CAT 306 Compact Excavator with EPA Tier 4 Engine | Caterpillar | Mini | 6 T | CAT C2.4 55 HP | 3.9 m | 0.15 m³ | 5.3 x 1.9 x 2.5 m | Landscaping - Blackberry Bush Removal | 590 H | 2024 | Consult | |
 | Used CAT303.5 Excavator | Caterpillar | Mini | 3.5 T | CAT C1.7 23 HP | 2.8 m | 0.11 m³ | 4.7 x 1.7 x 2.5 m | Landscaping - French Drain Installation | 859 H | 2022 | $16,000 | |
 | Used CAT349E Excavator | Caterpillar | Large | 49 T | CAT C13 410 HP | 7.6 m | 2.4 m³ | 11.9 x 3.5 x 3.6 m | Mining - Mining & Quarry Excavation Quarrying - Mining & Quarry Excavation | 1100 H | 2021 | $100,000 | |
 | Used CAT345D Excavator | Caterpillar | Large | 45 T | CAT C13 345 HP | 7.1 m | 2.0 m³ | 11.5 x 3.4 x 3.6 m | Mining - Mining & Quarry Excavation Quarrying - Mining & Quarry Excavation | 1900 H | 2020 | $85,000 | |
 | Used CAT340D Excavator | Caterpillar | Large | 40 T | CAT C9.3 311 HP | 7.4 m | 1.9 m³ | 11.2 x 3.3 x 3.5 m | Utilities - Oil & Gas Pipeline Trenching | 2300 H | 2019 | $80,000 | |
 | Used CAT330D Excavator | Caterpillar | Large | 30 T | CAT C7.1 275 HP | 7.2 m | 1.5 m³ | 10.4 x 3.1 x 3.2 m | Demolition - Demolition & Waste Removal | 2100 H | 2020 | $70,000 | |
 | Used CAT336D Excavator | Caterpillar | Large | 36 T | CAT C9 268 HP | 7.5 m | 1.5 m³ | 11.1 x 3.2 x 3.3 m | Utilities - Oil & Gas Pipeline Trenching | 1900 H | 2020 | $75,000 | |
 | Used CAT329D Excavator | Caterpillar | Medium | 29 T | CAT C7 204 HP | 7.1 m | 1.5 m³ | 10.4 x 3.1 x 3.2 m | Dredging - River & Canal Dredging Agriculture - Large Animal Burial Service Forestry - Large Animal Burial Service | 2000 H | 2020 | $58,000 | |
 | Used CAT323D Excavator | Caterpillar | Medium | 23 T | CAT C7.1 164 HP | 6.7 m | 1.2 m³ | 9.5 x 2.9 x 3.1 m | Construction - Dirt Removal | 1900 H | 2020 | $40,000 | |
 | Used CAT320DL Excavator | Caterpillar | Medium | 20 T | CAT C7.1 145 HP | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m | Construction - Basement & Foundation Excavation Roadwork - Highway Embankment & Road Grading - Asphalt & Concrete Pavement Removal | 539 H | 2022 | $42,000 | |
 | Used CAT320C Excavator | Caterpillar | Medium | 20 T | CAT C7.1 145 HP | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m | Construction - Basement & Foundation Excavation Roadwork - Highway Embankment & Road Grading - Asphalt & Concrete Pavement Removal | 1631 H | 2016 | $30,000 | |
 | Used CAT315D Excavator | Caterpillar | Medium | 15 T | Diesel Engine 113 HP | 6.1 m | 0.68 m³ | 7.5 x 2.5 x 2.8 m | Utilities - Main Water Lines & Fire Main | 2200 H | 2019 | $29,000 | |
 | Used CAT313C Excavator | Caterpillar | Medium | 13 T | Diesel Engine 98 HP | 5.7 m | 0.59 m³ | 7.5 x 2.5 x 2.8 m | Utilities - Trench Digging & Side Sewe | 2200 H | 2019 | $25,000 | |
 | Used CAT312D Excavator | Caterpillar | Mini | 6 T | Diesel Engine 90 HP | 5.5 m | 0.54 m³ | 7.5 x 2.5 x 2.8 m | Landscaping - Blackberry Bush Removal | 2300 H | 2019 | $28,000 | |
 | Used CAT308 Excavator | Caterpillar | Mini | 6 T | CAT C3.3B 70 HP | 4.1 m | 0.3 m³ | 6.3 x 2.3 x 2.5 m | Landscaping - Blackberry Bush Removal | 818 H | 2020 | $19,000 | |
 | Used CAT306E Excavator | Caterpillar | Mini | 6 T | CAT C2.4 55 HP | 3.9 m | 0.15 m³ | 5.3 x 1.9 x 2.5 m | Landscaping - Blackberry Bush Removal | 680 H | 2022 | $17,000 | |
 | Used CAT306c Excavator | Caterpillar | Mini | 5.5 T | CAT C2.4 55 HP | 3.9 m | 0.15 m³ | 5.3 x 1.9 x 2.5 m | Utilities - Backflow Prevention & Cross-Connection | 2800 H | 2018 | $15,000 | |
 | Used CAT305.5E Excavator | Caterpillar | Mini | 5.5 T | Diesel Engine 41 HP | 3.9 m | 0.25 m³ | 6.0 x 2.2 x 2.6 m | Utilities - Backflow Prevention & Cross-Connection | 350 H | 2021 | $18,000 |
Why Choose a Used Caterpillar Excavator? Core Technical Advantages
Investing in a used CAT excavator is a strategic financial decision. Caterpillar machines are explicitly engineered to be rebuilt and to withstand decades of rigorous use. Here is why industry leaders consistently choose CAT:
- ACERT™ Engine Technology: Many of our late-model used excavators (such as the CAT 320D and 336D) feature Caterpillar’s ACERT engines. These powerplants optimize fuel combustion to meet strict EPA Tier 3 and Tier 4 emissions standards without sacrificing breakout force. This means lower fuel consumption per hour and compliance with stringent environmental regulations in the USA and Canada.
- Advanced Hydraulic Systems: CAT excavators are renowned for their hydraulic efficiency. The smart hydraulic systems automatically sense the load and deliver precise flow and pressure where it is needed, resulting in faster cycle times, smoother grading, and less operator fatigue.
- Structural Durability: Caterpillar frames, booms, and sticks are constructed using high-tensile strength steel with multi-plate fabrications in high-stress areas. This robust engineering minimizes structural fatigue, even after thousands of working hours in demolition or hard rock mining.
- Global Parts Availability: One of the greatest advantages of buying a used CAT is the universal availability of spare parts. No matter where your job site is located—from a remote forestry project to a bustling metropolitan center—CAT parts and certified mechanics are easily accessible, minimizing costly machine downtime.
Classes of CAT Excavators: Finding Your Perfect Match
We categorize our Caterpillar inventory into three primary classes to help you navigate your procurement process based on your specific industry applications.
1. Mini and Compact Excavators (Under 10 Tons)
Models like the CAT 305.5E, CAT 306, and CAT 308 are engineered for precision in confined spaces. With operating weights ranging from 3.5 to 8 tons, these machines are easily transportable on standard utility trailers. They are the go-to choice for urban landscaping, french drain installation, utility trenching, and residential foundation work. Features like zero tail swing or compact radius allow operators to work confidently against walls and existing infrastructure without the risk of counterweight damage.
2. Medium Excavators (10 to 25 Tons)
The medium class is the backbone of general construction. Models such as the legendary CAT 320, CAT 323, and CAT 315D offer the perfect balance of power, transportability, and versatility. Weighing between 15 and 23 tons, these excavators are widely used for highway embankment grading, basement excavation, asphalt removal, and mid-scale demolition. The CAT 320 series, in particular, is celebrated for its industry-leading fuel efficiency and ease of maintenance, making it a favorite for rental fleets and independent contractors alike.
3. Large and Heavy Excavators (25 Tons and Above)
When maximum material movement is required, heavy-duty models like the CAT 330, CAT 336, CAT 340, and CAT 349 deliver uncompromising performance. With operating weights exceeding 30 tons and bucket capacities up to 2.4 cubic meters, these giants are built for mass excavation. They are indispensable for deep trenching for oil and gas pipelines, heavy demolition, and continuous extraction in mining and quarrying operations. Their extended tracks and heavy counterweights provide the ultimate stability required when lifting massive loads or operating on uneven, rocky gradients.
The Yong Gong Quality Assurance: Our Inspection Process
We understand that purchasing heavy machinery internationally requires absolute trust. That is why every used Caterpillar excavator in our Shanghai yard undergoes a rigorous, multi-point inspection process before it is ever listed for sale. Our “3C” certified quality control ensures you receive a machine ready to work on day one.
- Engine and Powertrain Diagnostics: We conduct comprehensive load testing to verify engine compression, monitor exhaust emissions, and ensure the cooling systems are operating at peak efficiency without leaks.
- Hydraulic System Integrity: All cylinders, hoses, and main hydraulic pumps are tested under pressure. We check for micro-leaks, valve responsiveness, and ensure the swing motor operates smoothly without gear grinding.
- Undercarriage Evaluation: The undercarriage represents a significant portion of an excavator’s value. We measure track pad wear, roller integrity, idler alignment, and sprocket health, providing you with transparent reports on the remaining life of the undercarriage components.
- Cab and Operator Comfort: A comfortable operator is a productive operator. We ensure all cab functions—including HVAC systems, joystick responsiveness, and safety monitors—are fully operational.
International Export & Logistics: Delivering to the Americas and Beyond
Navigating international shipping for oversized heavy machinery can be complex, but our dedicated logistics team handles the entire process end-to-end. We have deep expertise in exporting to major ports across North America and Latin America. Depending on the operating weight and transport dimensions of your chosen CAT excavator, we utilize optimized shipping methods to reduce your freight costs.
For large fleets or massive machines like the CAT 349, we coordinate Roll-on/Roll-off (RoRo) shipping or utilize Flat Rack containers. For smaller mini excavators, we can often load multiple units into standard 40-foot High Cube (HC) containers. We handle all customs export documentation, packing lists, and commercial invoices to ensure a seamless clearance process when the machinery arrives at your destination port.
Essential Maintenance Tips for Your Used CAT
To maximize the lifespan of your investment, implementing a strict preventative maintenance schedule is highly recommended. Always use OEM or high-quality aftermarket CAT filters and fluids. Greasing all pivot points—especially the bucket pins and boom linkages—should be done daily. Regularly inspect the air filtration system, particularly if you are operating in high-dust environments like quarries or demolition sites, to protect the engine’s internal components. Finally, keep a close eye on track tension; running tracks too tight accelerates wear on the drive sprockets and idlers, while tracks that are too loose risk de-tracking on uneven terrain.
Frequently Asked Questions (FAQ) About Used Caterpillar Excavators
1. How many hours is considered “too many” for a used CAT excavator?
Unlike cars, excavators are measured in operating hours. A well-maintained Caterpillar excavator can easily exceed 10,000 hours of productive life. When buying, focus more on the maintenance history and the current condition of the engine, hydraulics, and undercarriage rather than the hour meter alone. Many of our premium units have under 3,000 hours, representing incredible value.
2. Can I get attachments with my used CAT excavator?
Yes. While most machines come standard with a general-purpose digging bucket, we can source and supply a variety of attachments including hydraulic breakers (hammers), rippers, grapples, and trenching buckets to suit your specific project requirements.
3. Are used CAT excavators compliant with EPA emissions standards?
Emissions compliance depends on the engine model and the year of production. We stock machines with varying tiers of emissions compliance. If you are importing into the USA or Canada, please inform our team so we can direct you toward machines equipped with EPA Tier 3 or Tier 4 certified engines to ensure smooth customs clearance and regulatory compliance.
4. What does “Consult” mean under the pricing column?
When a price is listed as “Consult,” it means the pricing is highly dependent on your specific requirements, such as custom attachments, port of destination, and current international freight rates. By contacting us, we can provide an accurate, all-inclusive quote delivered to your local port.
To know more about the Caterpillar excavator sizes, please check more details.