The CAT Excavator 320 is a series of 20-tonne class hydraulic excavators from Caterpillar, which includes several models designed for different applications. The main models are the CAT 320, designed for general and heavy-duty work; the CAT 320 GC, optimized for fuel efficiency in light to medium-duty tasks; and the older CAT 320D, a proven classic model.
| Specifica | CAT 320 (New Generation) | CAT 320 GC (New Generation) | CAT 320D (Previous Generation) |
|---|---|---|---|
| Operator Intent | General to heavy-duty, high efficiency | Light to medium-duty, lowest hourly cost | Proven, durable workhorse |
| Peso operativo | 21,700 kg | 20,400 kg | 20,930 kg – 21,800 kg |
| Capacità della benna | 1.19 m³ (HD) | 1.0 m³ (General Duty) | 1.0 m³ – 1.3 m³ |
| Modello del motore | Cat C4.4 | Cat C4.4 | Cat C6.4 ACERT |
| Rated Power | 129 kW / 174 HP | 107 kW / 143 HP | 103 kW / 140 HP |
| Notable Features | Factory-integrated smart tech, auto power boost | Fuel economy focus, simplified controls | Known for being “robust and durable” |
How to Choose the Right Model
Your choice between these models should be based on your specific work requirements:
Choose the CAT Excavator 320 if your projects involve mixed or heavy-duty applications like foundation digging, trenching, or road construction. It offers a balance of high power and integrated technology to maximize productivity.
Choose the CAT 320 GC if your primary work consists of light to medium-duty tasks like general earthmoving or rental/contract work where low fuel consumption and operating costs are the top priorities.
The CAT 320D is a well-regarded previous-generation model. It might be a consideration in the used equipment market for its reputation of being “robust and durable” for general tasks.
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