Head to head
Caterpillar D6K2 vs Hitachi ZX135W-7
The Caterpillar D6K2 is a medium crawler dozer. The Hitachi ZX135W-7 is a 13-16 tonne short-tail wheeled excavator.
Last reviewed 13 September 2026
Specifications side by side
| Caterpillar D6K2 | Hitachi ZX135W-7 | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 14,500 - 15,900kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Engine power | - | 105kW (ISO14396) / 100kW (ISO9249) |
Sources: Caterpillar D6K2, Hitachi ZX135W-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 ZX135W-7 if...
A road-legal wheeled excavator for contractors who need to self-drive between sites without a low-loader, such as utilities and highways crews. The short-tail-swing design keeps it usable on narrow verges and in traffic-managed lanes.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D6K2 and the Hitachi ZX135W-7?
The Caterpillar D6K2 is a medium crawler dozer; the Hitachi ZX135W-7 is a 13-16 tonne short-tail wheeled excavator.
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