Head to head
Doosan DX63-3 vs Kubota KX037-4
The Doosan DX63-3 is the bigger machine by 6,037kg and has 14kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Doosan DX63-3 is the bigger machine by 6,037kg.
- Engine power: the Doosan DX63-3 has 14kW more power.
Specifications side by side
| Doosan DX63-3 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 9,555lb (4,334kg) | 3518 kg |
| Engine power | 42.6hp gross / 39.5hp net at 2200rpm | 17.8 kw |
| Max dig depth | 10ft 6in (3.2m) | - |
| Bucket capacity | 0.19yd3 (0.145m3) | - |
| Dig depth | - | 3410 mm |
| Width | - | 1550 mm |
Sources: Doosan DX63-3, Kubota KX037-4. 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 6,037kg
- you want one that has 14kW more power
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 KX037-4 if...
A 3.5 tonne class digger used by groundworkers, utility contractors and hire fleets for trenching, foundations and landscaping. Suits sites that need more reach and lift than a 3 tonne machine.
Full KX037-4 specifications →Common questions
What is the difference between the Doosan DX63-3 and the Kubota KX037-4?
The Doosan DX63-3 is the bigger machine by 6,037kg and has 14kW more power. The Doosan DX63-3 is a 6-tonne class mini excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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