Nagano NS55R

Series: Nagano Midi Excavator

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With the NS55R, Nagano offers a model from the Nagano Midi Excavator series. The engine delivers 43.8 hp (32.2 kW), has 4 cylinders, with a displacement of 2,435.1 cm³. Rated speed is 2,400 rpm. The unladen weight is 5,350 kg. The pump delivers 80.3 l/min. Rated output across the Nagano range ranges from 7.5 to 43.8 hp; the NS55R sits at the top of that range with 43.8 hp. Its immediate neighbours are the NS35R below it with 27.1 hp. 10 Nagano models across 2 series are on record. The model is listed under Excavators & compaction. 7 verified figures from 1 source are on file.

Technical data

Engine

Power43.8 hp (32.2 kW)correct
Rated speed2,400 rpmcorrect
Cylinders4correct
Displacement2,435.1 cm³correct

Dimensions and weights

Unladen weight5,350 kgcorrect

Working data

Pump flow80.3 l/mincorrect

Where this model stands

Power-to-weight ratio: 6 kW/t (32 kW / 5.3 t)

Stronger than 5% 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 Nagano NS55R have?

The Nagano NS55R delivers 43.8 hp.

How much does the Nagano NS55R weigh?

The unladen weight is 5,350 kg.

What engine does the Nagano NS55R have?

4 cylinders, 2,435 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 7 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]

Excavator in 3D section

Turn the model, look inside and click an assembly — each one is explained.

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