Hitachi ZX30U-5 – specifications
Series: Other models
Build year not documented · Data origin: Directory data · sources
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Hitachi ZX30U-5 – Japanese mini excavator from the Zaxis range in short-tail-swing configuration, with a three-cylinder Yanmar diesel engine, 17.4 kW at 2,400 rpm and a 42-litre fuel tank
Hitachi Construction Machinery is a Japanese construction-equipment manufacturer and part of the Hitachi group, one of the larger excavator makers worldwide. The ZX30U-5 recorded here belongs to the Zaxis range of compact excavators; the U in the name denotes the short-tail-swing (or zero-tail-swing) configuration with a particularly small rear overhang, while the 5 marks the corresponding generation of the range.
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The ZX30U-5 is powered by a water-cooled three-cylinder Yanmar diesel engine from the TNV range with 1,643.6 cm³ displacement, delivering 17.4 kW at 2,400 rpm. The fuel tank holds 42 litres, and the machine's overall height is 2,480 mm.
As a mini excavator under 6 tonnes of operating weight, the ZX30U-5 belongs to the smallest class of tracked excavators. The short-tail-swing design lets the upper structure rotate within, or only slightly beyond, the width of the undercarriage, making the machine suitable for work in narrow gardens, courtyards and around buildings with little room to manoeuvre. The limited height of 2,480 mm also makes it easier to transport under low clearances.
When buying one used, check the condition of the rubber tracks and track rollers, since mini excavators of this class are often used on hard surfaces that accelerate wear. The swing bearing and the bucket and boom hydraulic cylinders should be checked for play and leaks, and the Yanmar engine should come with a complete service history, since the injection pump and cooling system are the most expensive wearing parts in this engine range.
Sources: SpecCodex-Register: Kennwerte des Modells Hitachi ZX30U-5, Hitachi Construction Machinery (manufacturer)
Technical data
Engine
| Engine model | 3TNV88F-EPHBcorrect |
|---|---|
| Power | 17.4 kWcorrect |
| Rated speed | 2,400 rpmcorrect |
| Displacement | 1,643.6 cm³correct |
Dimensions and weights
| Height | 2,480 mmcorrect |
|---|
Working data
| Fuel tank capacity | 42 lcorrect |
|---|
Frequently asked questions
How much power does the Hitachi ZX30U-5 have?
The Hitachi ZX30U-5 delivers 17.4 kW.
What engine does the Hitachi ZX30U-5 have?
1,644 cm³ displacement.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 6 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Sources: RitchieSpecs equipment specifications (retrieved August 2026) · Data sources and cross-checks
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