Head to head
Doosan DX63-3 vs Hitachi ZX135USB-7
The Hitachi ZX135USB-7 has 42kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX135USB-7 has 42kW more power.
Specifications side by side
| Doosan DX63-3 | Hitachi ZX135USB-7 | |
|---|---|---|
| Operating weight | 9,555lb (4,334kg) | 13,800 - 16,000kg |
| Engine power | 42.6hp gross / 39.5hp net at 2200rpm | 74kW (ISO14396) / 73kW (ISO9249) |
| Max dig depth | 10ft 6in (3.2m) | - |
| Bucket capacity | 0.19yd3 (0.145m3) | - |
Sources: Doosan DX63-3, Hitachi ZX135USB-7. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DX63-3 if...
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 ZX135USB-7 if...
- you want one that has 42kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Doosan DX63-3 and the Hitachi ZX135USB-7?
The Hitachi ZX135USB-7 has 42kW more power. The Doosan DX63-3 is a 6-tonne class mini excavator; the Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator.
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