Head to head
Caterpillar D3 vs Kubota U10
The Caterpillar D3 has 70kW more power and is the bigger machine by 8,162kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 70kW more power.
- Operating weight: the Caterpillar D3 is the bigger machine by 8,162kg.
Specifications side by side
| Caterpillar D3 | Kubota U10 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 1200kg (2645lb, including operator) |
| Engine power | 77.6kW (104hp) | 7.6kW (10.3hp) |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Max dig depth | - | 1.8m (5'11") |
| Bucket digging force | - | 550kg (1212lb) breakout force |
Sources: Caterpillar D3, Kubota U10. 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 has 70kW more power
- you want one that is the bigger machine by 8,162kg
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 U10 if...
One of the smallest excavators Kubota builds, narrow and light enough to pass through a garden gate or go up in a domestic goods lift. Used for indoor demolition, basement digs and tight garden landscaping.
Listed by
- West Sussex Plant Hire - Hassocks, Keymer
Common questions
What is the difference between the Caterpillar D3 and the Kubota U10?
The Caterpillar D3 has 70kW more power and is the bigger machine by 8,162kg. The Caterpillar D3 is a small crawler dozer; the Kubota U10 is a micro excavator.
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