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Liebherr R312

Series: Liebherr Hydraulic Excavator

Source: https://www.liebherr.com/en-int/earthmoving/earthmoving-5376

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The Liebherr R312 is a model in the Liebherr Hydraulic Excavator series. The engine delivers 84.4 hp (62 kW), has 4 cylinders, with a displacement of 3,000.5 cm³. Rated speed is 2,300 rpm. The unladen weight is 15,300 kg. Ground clearance is 435.9 mm. The pump delivers 420.2 l/min. Working pressure is 350 bar. The Liebherr Hydraulic Excavator series covers 43 models. Rated output within it ranges from 84.4 to 3,041.6 hp; the R312 sits at the bottom of that range with 84.4 hp. Its immediate neighbours are the R900C above it with 119.7 hp. 480 Liebherr models across 20 series are on record. The model is listed under Excavators & compaction. 9 verified figures from 1 source are on file.

Technical data

Engine

Power84.4 hp (62 kW)correct
Rated speed2,300 rpmcorrect
Cylinders4correct
Displacement3,000.5 cm³correct

Dimensions and weights

Ground clearance435.9correct
Unladen weight15,300 kgcorrect

Working data

Pump flow420.2 l/mincorrect
Hydraulic pressure350 barcorrect

Where this model stands

Power-to-weight ratio: 4.1 kW/t (62 kW / 15.3 t)

Stronger than 19% 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 Liebherr R312 have?

The Liebherr R312 delivers 84.4 hp.

How much does the Liebherr R312 weigh?

The unladen weight is 15,300 kg.

What engine does the Liebherr R312 have?

4 cylinders, 3,000 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 9 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

R317

R900C

R900HDS

R904C

R912

R914 COMPACT LITRONIC

R914B

R914C

R918 LITRONIC

R920 COMPACT LITRONIC

R924 COMPACT TUNNEL LITRONIC

R924 LITRONIC

Sources: [1]

Excavator in 3D section

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