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Airman AX40U-4

Series: Airman Mini Excavator

The photo shows the AX35U-4 from the same series. Source: https://www.airman.co.jp/product/category-6/series-27/

Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required

With the AX40U-4, Airman offers a model from the Airman Mini Excavator series. The engine delivers 40.6 hp (29.8 kW), has 4 cylinders, with a displacement of 2,189.3 cm³. Rated speed is 2,500 rpm. The unladen weight is 4,380 kg. Ground clearance is 335.3 mm. The pump delivers 125.3 l/min. Working pressure is 240 bar. The engine fitted is the 4TNV88. The Airman Mini Excavator series covers 8 models. Rated output within it ranges from 13 to 40.6 hp; the AX40U-4 sits at the top of that range with 40.6 hp. Its immediate neighbours are the AX35U-4 below it with 30.4 hp. 24 Airman models across 5 series are on record. The model is listed under Excavators & compaction. 10 verified figures from 1 source are on file.

Technical data

Engine

Engine model4TNV88correct
Power40.6 hp (29.8 kW)correct
Rated speed2,500 rpmcorrect
Cylinders4correct
Displacement2,189.3 cm³correct

Dimensions and weights

Ground clearance335.3correct
Unladen weight4,380 kgcorrect

Working data

Pump flow125.3 l/mincorrect
Hydraulic pressure240 barcorrect

Where this model stands

Power-to-weight ratio: 6.8 kW/t (30 kW / 4.4 t)

Stronger than 85% 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 Airman AX40U-4 have?

The Airman AX40U-4 delivers 40.6 hp.

How much does the Airman AX40U-4 weigh?

The unladen weight is 4,380 kg.

What engine does the Airman AX40U-4 have?

4 cylinders, 2,189 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 10 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

AX10U-4

AX17U-4

AX20U

AX22U-4

AX27U

AX30U-4

AX35U-4

Sources: [1]

Mini excavator in 3D section

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