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Caterpillar 320 Medium Excavator from China: Reliable Suppliers and Factory for Earthmoving & Construction Solutions
Benefits
Why Choose the Cat® 320 Medium Excavator?
Engineered for global job sites, the Cat® 320 excels across Southeast Asia's urban renewal, Africa's rugged infrastructure, Latin America's agri-infra projects, the Middle East's high-intensity construction, city upgrades, and Europe/North America's precision contracting.
It delivers unbeatable value with:
- ✅Fuel efficiency for low daily costs in the Philippines, Nigeria, and Brazil.
- ✅Rugged durability for rocky terrain in Kenya, Chile, and the Middle East.
- ✅Versatile attachments for earthmoving, demolition, and material handling across Vietnam, Mexico, and Australia.
- ✅Full certification for fast customs clearance in the EU, UAE, and Southeast Asia.
- ✅Global after-sales via Cat's dealer network, ensuring uptime in every region.
Choose the 320 for reliable performance—wherever your projects take you.
Features At A Glance
Latest Features
Do More With Less Fuel
Efficiency Through Technology
Take The Guesswork Out Of Managing Your Equipment
Designed For Operators
Simple To Operate
Save On Service And Maintenance
Safely Home Every Day
Attachment
Specifications
| Engine | Net Power - ISO 9249 | 117 kW |
| Net Power - ISO 9249 (DIN) | 159 hp (metric) | |
| Engine Model | Cat® C7.1 | |
| Engine Power - ISO 14396 | 118 kW | |
| Engine Power - ISO 14396 (DIN) | 160 hp (metric) | |
| Bore | 105 mm | |
| Stroke | 135 mm | |
| Displacement | 7.01 l | |
| Biodiesel Capability | Up to B20¹ | |
| Emissions | Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. | |
| Note (1) | Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. | |
| Note (2) | ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. | |
| Weights | Operating Weight | 21,300 kg |
| Note | Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight. | |
| Working Ranges and Forces | Maximum Digging Depth | 6720 mm |
| Boom | HD Reach 5.7 m (18'8") | |
| Stick | HD Reach 2.9 m (9'6") | |
| Bucket | HD 1.19 m³ (1.56 yd³) | |
| Maximum Reach at Ground Level | 9860 mm | |
| Maximum Cutting Height | 9370 mm | |
| Maximum Loading Height | 6490 mm | |
| Minimum Loading Height | 2170 mm | |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 6550 mm | |
| Maximum Vertical Wall Digging Depth | 5190 mm | |
| Bucket Digging Force - ISO | 150 kN | |
| Stick Digging Force - ISO | 106 kN | |
| Hydraulic System | Main System - Maximum Flow | 429 l/min (113 gal/min) |
| Maximum Pressure - Equipment | 35,000 kPa | |
| Maximum Pressure - Equipment - Lift Mode | 38,000 kPa | |
| Maximum Pressure - Travel | 34,300 kPa | |
| Maximum Pressure - Swing | 27,500 kPa | |
| Swing Mechanism | Swing Speed* | 11.3 r/min |
| Maximum Swing Torque | 82 kN·m | |
| Note (1) | *For CE-marked machine default value may be set lower. | |
| Service Refill Capacities | Fuel Tank Capacity | 345 l |
| Cooling System | 25 l | |
| Engine Oil | 25 l | |
| Swing Drive | 6 l | |
| Final Drive - Each | 5 l | |
| Hydraulic System - Including Tank | 234 l | |
| Hydraulic Tank | 115 l | |
| Dimensions | Boom | HD Reach 5.7 m (18'8") |
| Stick | HD Reach 2.9 m (9'6") | |
| Bucket | HD 1.19 m³ (1.56 yd³) | |
| Shipping Height - Top of Cab | 2960 mm | |
| Handrail Height | 2950 mm | |
| Shipping Length | 9530 mm | |
| Tail Swing Radius | 2830 mm | |
| Counterweight Clearance | 1050 mm | |
| Ground Clearance | 470 mm | |
| Track Length | 4450 mm | |
| Length to Center of Rollers | 3650 mm | |
| Track Gauge | 2380 mm | |
| Transport Width | 2980 mm | |
| Air Conditioning System | Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). |
Frequently Asked Questions
Q
What is the operating weight of the Cat® 320 Medium Excavator?
The Cat® 320 has an operating weight of 21,300 kg. This is configured with a Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ bucket, 600 mm triple grouser shoes, and a 3,700 kg counterweight.
Q
What engine does the Cat® 320 use, and how much power does it produce?
The Cat® 320 is powered by the Cat® C7.1 engine, delivering a net power of 117 kW (159 hp metric) per ISO 9249. It meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and supports biodiesel blends up to B20.
Q
What is the maximum digging depth of the Cat® 320?
The Cat® 320 achieves a maximum digging depth of 6,720 mm, with a maximum reach at ground level of 9,860 mm and a maximum cutting height of 9,370 mm — making it highly capable for a wide range of excavation tasks.
Q
Is the Cat® 320 suitable for international markets and export?
Yes. The Cat® 320 is engineered for global job sites and holds full certification for fast customs clearance in the EU, UAE, and Southeast Asia. It is backed by Cat's worldwide dealer network, ensuring reliable after-sales support in every region including Africa, Latin America, the Middle East, and Asia-Pacific.
Q
What types of attachments are compatible with the Cat® 320?
The Cat® 320 supports a wide range of versatile attachments designed for earthmoving, demolition, and material handling applications. This flexibility makes it ideal for diverse project types across construction, mining, agriculture infrastructure, and urban development worldwide.
Q
What is the fuel tank capacity and hydraulic system capacity of the Cat® 320?
The Cat® 320 features a fuel tank capacity of 345 liters, supporting extended operation between refills. The hydraulic system (including tank) holds 234 liters, with a hydraulic tank capacity of 115 liters, and a maximum hydraulic flow of 429 l/min (113 gal/min).