Head to head
Caterpillar D4K2 vs Hitachi ZX220W-7
The Hitachi ZX220W-7 has 59kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX220W-7 has 59kW more power.
Specifications side by side
| Caterpillar D4K2 | Hitachi ZX220W-7 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 20,100 - 24,900kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 128kW |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Dig depth | - | 5,810 - 6,300mm |
Sources: Caterpillar D4K2, Hitachi ZX220W-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 ZX220W-7 if...
- you want one that has 59kW more power
Targets larger utility, sewer and civils contractors who need crawler-class digging power on a road-going wheeled chassis. It sits at the top of Hitachi's current wheeled-excavator line, giving extra reach and depth over the 170W and 145W.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D4K2 and the Hitachi ZX220W-7?
The Hitachi ZX220W-7 has 59kW more power. The Caterpillar D4K2 is a small crawler dozer; the Hitachi ZX220W-7 is a 20-25 tonne wheeled excavator, the largest in Hitachi's ZX-7 wheeled range.
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