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Hyundai R55-7

Series: Hyundai Midi Excavator

Source: https://www.truck1.eu/construction-machinery/mini-excavators

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The Hyundai R55-7 belongs to the Hyundai Midi Excavator series. The engine delivers 53.7 hp (38.8 kW), has 4 cylinders, with a displacement of 3,054.5 cm³. Torque is 202 Nm. Rated speed is 2,200 rpm. The unladen weight is 5,701.7 kg. Ground clearance is 381 mm. The tank holds 120.4 litres. Maximum torque is reached at 1,400 rpm. The pump delivers 110.2 l/min. The hydraulic tank holds 120.4 litres. Working pressure is 215.8 bar. The cooling system holds 10.2 litres. The oil fill is 9.5 litres. The electrical system runs on 12 V. The engine fitted is the 4TNV94L. The Hyundai Midi Excavator series covers 3 models. Rated output within it ranges from 38.8 to 43.3 kW; the R55-7 sits at the bottom of that range with 38.8 kW. Its immediate neighbours are the R75-7 above it with 41.4 kW. 391 Hyundai models across 22 series are on record. The model is listed under Excavators & compaction. 18 verified figures from 1 source are on file.

Technical data

Engine

Engine model	4TNV94Lcorrect
Power	53.7 hp (38.8 kW)correct
Rated speed	2,200 rpmcorrect
Torque	202correct
Speed at max. torque	1,400 rpmcorrect
Cylinders	4correct
Displacement	3,054.5 cm³correct
Coolant capacity	10.2 lcorrect
Engine oil capacity	9.5 lcorrect

Dimensions and weights

Ground clearance	381correct
Unladen weight	5,701.7 kgcorrect

Working data

Pump flow	110.2 l/mincorrect
Hydraulic oil capacity	120.4 lcorrect
Hydraulic pressure	215.8 barcorrect
Fuel tank capacity	120.4 lcorrect

Other data

Cab height	2,551.2correct
System voltage	12 Vcorrect

More machines with this engine (4TNV94L, 5)

Where this model stands

Power-to-weight ratio: 6.8 kW/t (39 kW / 5.7 t)

Stronger than 7% 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 Hyundai R55-7 have?

The Hyundai R55-7 delivers 53.7 hp.

How much does the Hyundai R55-7 weigh?

The unladen weight is 5,702 kg.

What engine does the Hyundai R55-7 have?

4 cylinders, 3,054 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 18 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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