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Hitachi ZX22U-2

Series: Hitachi Mini Excavator

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The Hitachi Mini Excavator series from Hitachi includes the ZX22U-2. The engine delivers 14.6 kW, has 3 cylinders, with a displacement of 1,116 cm³. Torque is 66 Nm. Rated speed is 2,400 rpm. The unladen weight is 2,210 kg. Ground clearance is 295.7 mm. The tank holds 29.1 litres. Maximum torque is reached at 1,800 rpm. The pump delivers 57.9 l/min. The hydraulic tank holds 38.2 litres. Working pressure is 206 bar. The cooling system holds 4.5 litres. The oil fill is 4.2 litres. The electrical system runs on 12 V. The engine fitted is the 3TNV76. The Hitachi Mini Excavator series covers 17 models. Rated output within it ranges from 9.5 to 40.6 kW; the ZX22U-2 sits in the lower part of that range with 14.6 kW. Its immediate neighbours are the EX15-2 below it with 12.9 kW and the EX30-2 above it with 17.3 kW. 347 Hitachi models across 20 series are on record. The model is listed under Excavators & compaction. 17 verified figures from 1 source are on file.

Technical data

Engine

Engine model3TNV76correct
Power14.6 kWcorrect
Rated speed2,400 rpmcorrect
Torque66correct
Speed at max. torque1,800 rpmcorrect
Cylinders3correct
Displacement1,116 cm³correct
Coolant capacity4.5 lcorrect
Engine oil capacity4.2 lcorrect

Dimensions and weights

Ground clearance295.7correct
Unladen weight2,210 kgcorrect

Drivetrain and chassis

System voltage12 Vcorrect

Working data

Pump flow57.9 l/mincorrect
Hydraulic oil capacity38.2 lcorrect
Hydraulic pressure206 barcorrect
Fuel tank capacity29.1 lcorrect

Other data

Height2,411correct

Where this model stands

Power-to-weight ratio: 6.6 kW/t (15 kW / 2.2 t)

Stronger than 33% of the mini excavators in the register — out of 400 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Hitachi ZX22U-2 have?

The Hitachi ZX22U-2 delivers 14.6 kW.

How much does the Hitachi ZX22U-2 weigh?

The unladen weight is 2,210 kg.

What engine does the Hitachi ZX22U-2 have?

3 cylinders, 1,116 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.
  • Check the weights in the papers against the figures here — attachments change them.
  • 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 17 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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Other models in this series

Sources: [1]

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