Head to head
Caterpillar D4K2 vs Kubota KX71-3
The Caterpillar D4K2 is the bigger machine by 1,618kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D4K2 is the bigger machine by 1,618kg.
Specifications side by side
| Caterpillar D4K2 | Kubota KX71-3 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | approx. 6,550lb (2,970kg) |
| 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) | - |
| Length | - | 14ft 11in |
| Width | - | 4ft 11in |
Sources: Caterpillar D4K2, Kubota KX71-3. 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 1,618kg
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 KX71-3 if...
A sub-3 tonne mini excavator for small groundworks, drainage and garden digging jobs. It is a size class widely hired by landscapers and general builders for work too small to justify a larger machine.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
Common questions
What is the difference between the Caterpillar D4K2 and the Kubota KX71-3?
The Caterpillar D4K2 is the bigger machine by 1,618kg. The Caterpillar D4K2 is a small crawler dozer; the Kubota KX71-3 is a mini excavator.
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