Head to head
Caterpillar D4K2 vs Hitachi ZX135USB-7
The Hitachi ZX135USB-7 has 5kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX135USB-7 has 5kW more power.
Specifications side by side
| Caterpillar D4K2 | Hitachi ZX135USB-7 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 13,800 - 16,000kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 74kW (ISO14396) / 73kW (ISO9249) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
Sources: Caterpillar D4K2, Hitachi ZX135USB-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 ZX135USB-7 if...
- you want one that has 5kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar D4K2 and the Hitachi ZX135USB-7?
The Hitachi ZX135USB-7 has 5kW more power. The Caterpillar D4K2 is a small crawler dozer; the Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator.
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