Head to head
Caterpillar D3 vs Kubota KX71-3
The Caterpillar D3 is the bigger machine by 2,812kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D3 is the bigger machine by 2,812kg.
Specifications side by side
| Caterpillar D3 | Kubota KX71-3 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | approx. 6,550lb (2,970kg) |
| Engine power | 77.6kW (104hp) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Length | - | 14ft 11in |
| Width | - | 4ft 11in |
Sources: Caterpillar D3, Kubota KX71-3. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
- you want one that is the bigger machine by 2,812kg
Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.
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 D3 and the Kubota KX71-3?
The Caterpillar D3 is the bigger machine by 2,812kg. The Caterpillar D3 is a small crawler dozer; the Kubota KX71-3 is a mini excavator.
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