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Airman AX50U-4

Series: Airman Midi Excavator

Source: https://www.airman.co.jp/product/category-6/series-27/

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The AX50U-4 from Airman is part of the Airman Midi 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 4,730 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. Rated output across the Airman range ranges from 13 to 120.7 hp; the AX50U-4 sits in the lower part of that range with 40.6 hp. Its immediate neighbours are the 1533 4WD Platform/Cab below it with 33.5 hp and the 1540 4WD above it with 40.7 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 model	4TNV88correct
Power	40.6 hp (29.8 kW)correct
Rated speed	2,500 rpmcorrect
Cylinders	4correct
Displacement	2,189.3 cm³correct

Dimensions and weights

Ground clearance	335.3correct
Unladen weight	4,730 kgcorrect

Working data

Pump flow	125.3 l/mincorrect
Hydraulic pressure	240 barcorrect

More machines with this engine (4TNV88, 22)

Where this model stands

Power-to-weight ratio: 6.3 kW/t (30 kW / 4.7 t)

Stronger than 4% of the excavators & compaction in the register — out of 1,666 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Airman AX50U-4 have?

The Airman AX50U-4 delivers 40.6 hp.

How much does the Airman AX50U-4 weigh?

The unladen weight is 4,730 kg.

What engine does the Airman AX50U-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.
Load the hydraulics and watch for sag.
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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