Comparison · Excavator
Caterpillar 320 vs Hitachi ZX135US-7
The Caterpillar 320 is about 61% heavier than the Hitachi ZX135US-7 (22,500 vs 14,000 kg), which usually means more stability and lifting capacity but higher transport weight.
The Caterpillar 320 has about 66% more engine power (121 kW (162 hp) vs 73 kW (98 hp)).
Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and Hitachi in your region: over the life of a machine they often matter more than small specification differences.
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| Operating weight | 22,500 kg (49,600 lb) | 14,000 kg (30,900 lb) |
| Engine power | 121 kW (162 hp) | 73 kW (98 hp) |
| Net power | ≈121 kW (162 hp) | ≈73 kW (98 hp) |
| Max. digging depth | ≈6.7 m (22 ft) | — |
| Engine | Cat C7.1 | — |
| Max. reach at ground level | ≈9.9 m (32 ft 6 in) | — |
| Bucket capacity | 0.9–1.5 m³ (1.2–2.0 yd³) | — |
| Fuel tank | ≈345 L (91 US gal) | — |
| Emissions | EPA Tier 4 Final / EU Stage V | — |
| Tail swing | — | Short |
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| Full 320 review | Full ZX135US-7 review |
Specifications are typical figures for standard configurations and may be measured differently by each manufacturer (for example net vs gross power). Always confirm with the manufacturer or dealer. Build another comparison.