Head to head
Caterpillar D6K2 vs Hitachi ZX225US-7
The Caterpillar D6K2 is a medium crawler dozer. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator.
Last reviewed 13 September 2026
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Specifications side by side
| Caterpillar D6K2 | Hitachi ZX225US-7 | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 24,800 - 29,100kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Dig depth | - | 6,120mm |
| Engine power | - | 128.4kW (ISO14396) / 122kW (ISO9249) |
Sources: Caterpillar D6K2, Hitachi ZX225US-7. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6K2 if...
A medium dozer for site grading, cut-and-fill and light earthmoving where a full-size dozer would be overkill. It is hired by groundworks and landscaping contractors needing precise grading as much as raw pushing power.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the ZX225US-7 if...
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 D6K2 and the Hitachi ZX225US-7?
The Caterpillar D6K2 is a medium crawler dozer; the Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator.
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