Head to head
Caterpillar D3 vs Kubota KX080-4a
The Caterpillar D3 has 31kW more power and is the bigger machine by 1,122kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 31kW more power.
- Operating weight: the Caterpillar D3 is the bigger machine by 1,122kg.
Specifications side by side
| Caterpillar D3 | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 8240kg |
| Engine power | 77.6kW (104hp) | 63.2PS |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
Sources: Caterpillar D3, Kubota KX080-4a. 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 31kW more power
- you want one that is the bigger machine by 1,122kg
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 KX080-4a if...
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the Caterpillar D3 and the Kubota KX080-4a?
The Caterpillar D3 has 31kW more power and is the bigger machine by 1,122kg. The Caterpillar D3 is a small crawler dozer; the Kubota KX080-4a is a tracked excavator, 6 to 10 tonnes.
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