Head to head
Caterpillar D4K2 vs Hitachi 33U
The Caterpillar D4K2 is the bigger machine by 4,681kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D4K2 is the bigger machine by 4,681kg.
Specifications side by side
| Caterpillar D4K2 | Hitachi 33U | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 3,487 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | - |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Width | - | 1,550 mm |
| Rated power ISO 9249 | - | 21.2 kW (28.4 HP) at 2,400 min-1 (rpm) (net) |
| Fuel tank | - | 42.0 L |
Sources: Caterpillar D4K2, Hitachi 33U. 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 is the bigger machine by 4,681kg
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 33U if...
A compact tracked excavator from Hitachi's smaller size class, used for groundworks, drainage and landscaping jobs too tight for a larger machine. It is bought and sold through the used plant market rather than as a current Hitachi catalogue model.
Listed by
- Plant Sales Northern Ireland | P & A Plant Sales - Ballynahinch
Common questions
What is the difference between the Caterpillar D4K2 and the Hitachi 33U?
The Caterpillar D4K2 is the bigger machine by 4,681kg. The Caterpillar D4K2 is a small crawler dozer; the Hitachi 33U is a mini excavator, approximately 3 tonne class.
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