MANUFACTURER REFERENCE · EXCAVATORS
Cat 320 Hydraulic Excavator specifications
Manufacturer reference specifications for the Cat 320 medium hydraulic excavator.
Engine
| Net power (ISO 9249) | 172 hp / 128.5 kW |
|---|---|
| Engine model | Cat C4.4 |
| Displacement | 4.4 L |
Weights and capacity
| Operating weight | 49,800 lb / 22,600 kg |
|---|---|
| Reference bucket | 1.19 m³ / 1.56 yd³ |
Working range
| Maximum digging depth | 22 ft / 6,720 mm |
|---|---|
| Maximum reach at ground level | 32.3 ft / 9,860 mm |
Dimensions and fluids
| Transport width | 9.8 ft / 2,980 mm |
|---|---|
| Fuel tank capacity | 91.1 US gal / 345 L |
Source and notes
Source: Caterpillar 320 product specifications ↗
Source checked 2026-11-13. Current U.S. product-page configuration. The published operating weight is based on a reach boom, R2.9 stick, HD bucket, 790 mm shoes and 4,200 kg counterweight. Older model years and optional configurations differ.