Head to head
Hitachi ZX170W-6 vs HD Hyundai Construction Equipment R35Z-9A
The Hitachi ZX170W-6 digs 2.78m (9ft) deeper.
Last reviewed 13 September 2026
Key differences
- Dig depth: the Hitachi ZX170W-6 digs 2.78m (9ft) deeper.
Specifications side by side
| Hitachi ZX170W-6 | HD Hyundai Construction Equipment R35Z-9A | |
|---|---|---|
| Dig depth | up to 5,830mm (5,720mm with 2-piece boom, 2.50m arm) | 10 ft 3.4 in |
| Operating weight | - | 8,344 lb |
| Engine power | - | 23.7 hp at 2,200 rpm (Yanmar 3TNV88F) |
Sources: Hitachi ZX170W-6, HD Hyundai Construction Equipment R35Z-9A. 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 2.78m (9ft) 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 R35Z-9A if...
The Hyundai R35Z-9A is a 3.5 tonne class zero tail swing compact excavator that gives UK contractors and hirers a lower-cost alternative to the equivalent Kubota, Takeuchi and JCB machines in the same size band. It uses a Yanmar diesel engine rather than an in-house Hyundai power unit at this size, reflecting how compact excavators across brands often share third-party engines and hydraulics. Hyundai's UK dealer coverage for this class is thinner than the market leaders, spread across several regional appointed dealers.
Full R35Z-9A specifications →Common questions
What is the difference between the Hitachi ZX170W-6 and the HD Hyundai Construction Equipment R35Z-9A?
The Hitachi ZX170W-6 digs 2.78m (9ft) deeper. The Hitachi ZX170W-6 is a 17 tonne wheeled excavator; the HD Hyundai Construction Equipment R35Z-9A is a a 3.5 tonne class zero tail swing compact excavator.
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