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Hitachi ZX170W-6 vs Kubota U36-4

The Hitachi ZX170W-6 is a 17 tonne wheeled excavator. The Kubota U36-4 is a 3.5 tonne zero-tail swing compact excavator.

Last reviewed 13 September 2026

Hitachi ZX170W-6
Hitachi ZX170W-6 - image: Ridgway Rentals
Kubota U36-4
Kubota U36-4 - image: Kubota (U.K.) Limited

Specifications side by side

Hitachi ZX170W-6Kubota U36-4
Dig depthup to 5,830mm (5,720mm with 2-piece boom, 2.50m arm)3410 mm
Operating weight-3755 kg
Width-1700 mm
Engine power-17.8 kw

Sources: Hitachi ZX170W-6, Kubota U36-4. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the ZX170W-6 if...

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

Full ZX170W-6 specifications →

Buy or hire the U36-4 if...

A zero-tail swing digger for builders, utility firms and hire fleets working beside walls, fences and live traffic. Common for trenching, foundations and drainage on urban sites.

Full U36-4 specifications →

Common questions

What is the difference between the Hitachi ZX170W-6 and the Kubota U36-4?

The Hitachi ZX170W-6 is a 17 tonne wheeled excavator; the Kubota U36-4 is a 3.5 tonne zero-tail swing compact excavator.

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