Head to head
Caterpillar D3 vs Kubota U20
The Caterpillar D3 has 64kW more power.
Last reviewed 13 September 2026


Key differences
- Engine power: the Caterpillar D3 has 64kW more power.
Specifications side by side
| Caterpillar D3 | Kubota U20 | |
|---|---|---|
| Engine power | 77.6kW (104hp) | 13.5kW / 19hp |
| Operating weight | 9362kg (20,640lb) | - |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Machine weight | - | 2,380kg (cab) / 2,180kg (canopy) |
| Max dig depth | - | 2,540mm |
| Max width | - | 1,500mm |
| Travel speed | - | 2.2 / 4.2km/h |
Sources: Caterpillar D3, Kubota U20. 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 64kW more power
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 U20 if...
A compact zero-tailswing excavator sized to fit through a domestic gateway, used for groundworks, drainage and garden landscaping jobs where space is tight.
Listed by
- West Sussex Plant Hire - Hassocks, Keymer
Common questions
What is the difference between the Caterpillar D3 and the Kubota U20?
The Caterpillar D3 has 64kW more power. The Caterpillar D3 is a small crawler dozer; the Kubota U20 is a 2-tonne class mini 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.
