Head to head
Caterpillar D4K2 vs Hitachi ZX225US-7
The Hitachi ZX225US-7 has 60kW more power.
Last reviewed 13 September 2026
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Key differences
- Engine power: the Hitachi ZX225US-7 has 60kW more power.
Specifications side by side
| Caterpillar D4K2 | Hitachi ZX225US-7 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 24,800 - 29,100kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 128.4kW (ISO14396) / 122kW (ISO9249) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Dig depth | - | 6,120mm |
Sources: Caterpillar D4K2, Hitachi ZX225US-7. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the ZX225US-7 if...
- you want one that has 60kW more power
For contractors working in restricted yards or alongside live structures who still need the dig performance of a 20-tonne-plus machine. The reduced tail swing keeps the counterweight closer to the tracks than a standard crawler excavator of this size.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D4K2 and the Hitachi ZX225US-7?
The Hitachi ZX225US-7 has 60kW more power. The Caterpillar D4K2 is a small crawler dozer; the Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator.
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