GetBrent

Head to head

Caterpillar D4K2 vs Hitachi ZX75US-5

The Caterpillar D4K2 has 26kW more power. The Hitachi ZX75US-5 is the bigger machine by 562kg.

Last reviewed 13 September 2026

Key differences

Specifications side by side

Caterpillar D4K2Hitachi ZX75US-5
Operating weight8,168kg (XL) / 8,476kg (LGP)8730kg (19,244lb)
Engine power92hp (68.8kW), Cat C4.4 ACERT42.4kW (56.9hp)
Blade capacity1.98m3 (XL) / 1.85m3 (LGP)-
Ground pressure38.6kPa (XL) / 29.2kPa (LGP)-
Max digging depth-4.61m (15'1")

Sources: Caterpillar D4K2, Hitachi ZX75US-5. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D4K2 if...

  • you want one that has 26kW more power

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

Full D4K2 specifications →

Buy or hire the ZX75US-5 if...

  • you want one that is the bigger machine by 562kg

A 7-8 tonne excavator with a reduced tail swing radius, letting it work close to walls and in restricted urban sites. A common size in UK plant hire fleets for groundworks and drainage.

Listed by

Full ZX75US-5 specifications →

Common questions

What is the difference between the Caterpillar D4K2 and the Hitachi ZX75US-5?

The Caterpillar D4K2 has 26kW more power. The Hitachi ZX75US-5 is the bigger machine by 562kg. The Caterpillar D4K2 is a small crawler dozer; the Hitachi ZX75US-5 is a reduced tail swing excavator.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.