CAT 320C Hydraulic Excavator Durable Stable Efficient and Versatile
for Medium Construction Earthmoving and Engineering Projects
The CAT 320C is a classic 20-ton hydraulic excavator widely
recognized for strong reliability, stable performance, and low
operating cost. Powered by the Cat 3066 ATAAC diesel engine and
equipped with an advanced hydraulic system, it delivers smooth
control, strong digging force, and long service life, ideal for
construction, earthmoving, municipal engineering, and various
heavy-duty worksites.
Specifications
| Item | Details |
|---|
| Model | CAT 320C |
| Operating Weight | approx. 20,930 kg |
| Engine | Cat 3066 ATAAC |
| Net Power | 110 kW 148 HP @ 1800 rpm |
| Displacement | 6.37 L |
| Bucket Capacity | 0.8–1.0 m³ |
| Max Digging Depth | 6,550 mm |
| Swing Speed | 11.5 rpm |
| Hydraulic System | Pilot-controlled open-circuit |
Key Advantages
- Legendary durability for long-term heavy-duty operation
- Strong digging force and fast cycle times improve productivity
- Precise and smooth hydraulic control for easy operation
- Robust reinforced undercarriage for stability and long wear life
- Simple structure and easy maintenance reduce downtime
- Fuel-efficient engine lowers daily operating cost
- Wide compatibility with buckets breakers grapples and other
attachments
Typical Applications
- Urban construction and residential building
- Road renovation bridge and municipal engineering
- Earthmoving digging trenching and foundation works
- Quarry mining and material handling
- Landscaping farm improvement and demolition
- Port and railway construction projects
FAQs
- What engine does the CAT 320C use
It uses the Cat 3066 ATAAC diesel engine with 110 kW 148 HP - What is the operating weight of the 320C
The operating weight is approximately 20930 kg - What is the maximum digging depth
Max digging depth is 6550 mm - Is the CAT 320C suitable for heavy construction
Yes it is a 20-ton medium-duty model designed for various heavy
workloads - Are spare parts easy to source
Yes parts are widely available globally with low maintenance cost - Does it support multiple attachments
Yes it is compatible with standard hydraulic attachments for
diverse applications
