Head to head
Hitachi ZX170W-6 vs Kubota U50-5
The Hitachi ZX170W-6 digs 2.46m (8ft) deeper.
Last reviewed 13 September 2026
Key differences
- Dig depth: the Hitachi ZX170W-6 digs 2.46m (8ft) deeper.
Specifications side by side
| Hitachi ZX170W-6 | Kubota U50-5 | |
|---|---|---|
| Dig depth | up to 5,830mm (5,720mm with 2-piece boom, 2.50m arm) | 3,370mm |
| Operating weight | - | 4,775kg |
| Engine power | - | 40.4kW |
Sources: Hitachi ZX170W-6, Kubota U50-5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX170W-6 if...
- you want one that digs 2.46m (8ft) deeper
A larger wheeled digger for contractors handling bigger drainage, sewer and groundworks packages who still need to drive between sites on the public road. The extra size over the 145W gives more reach and breakout force.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the U50-5 if...
A mid-size mini excavator for groundworkers who need more reach and dig depth than the smaller Kubota models while still keeping a compact machine for site access. Suits drainage, footings and utility trenching.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX170W-6 and the Kubota U50-5?
The Hitachi ZX170W-6 digs 2.46m (8ft) deeper. The Hitachi ZX170W-6 is a 17 tonne wheeled excavator; the Kubota U50-5 is a 4.8 tonne mini excavator.
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