Head to head
Doosan DX63-3 vs Kubota U55-4
The Doosan DX63-3 is the bigger machine by 4,155kg. The Kubota U55-4 has 2kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Doosan DX63-3 is the bigger machine by 4,155kg.
- Engine power: the Kubota U55-4 has 2kW more power.
Specifications side by side
| Doosan DX63-3 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 9,555lb (4,334kg) | 5400kg |
| Engine power | 42.6hp gross / 39.5hp net at 2200rpm | 46PS |
| Max dig depth | 10ft 6in (3.2m) | - |
| Bucket capacity | 0.19yd3 (0.145m3) | - |
Sources: Doosan DX63-3, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DX63-3 if...
- you want one that is the bigger machine by 4,155kg
A compact excavator for utility, drainage and small groundworks jobs, sized to fit through a standard gateway. It suits contractors who need real digging depth without the weight and cost of a bigger machine.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
Buy or hire the U55-4 if...
- you want one that has 2kW more power
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Doosan DX63-3 and the Kubota U55-4?
The Doosan DX63-3 is the bigger machine by 4,155kg. The Kubota U55-4 has 2kW more power. The Doosan DX63-3 is a 6-tonne class mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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