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Liebherr PR764 Crawler

Series: Other models

Source: https://www.lectura-specs.com/en/model/construction-machiner

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The PR764 from Liebherr is part of the Liebherr Crawler Tractor series. The engine delivers 427.9 hp (311 kW), has 8 cylinders, with a displacement of 16,200.3 cm³. Rated speed is 1,600 rpm. The unladen weight is 44,720 kg. Ground clearance is 698 mm. The tank holds 905.1 litres. The gearbox has 3 forward gears. There are also 2 reverse gears. The pump delivers 352 l/min. Working pressure is 259.9 bar. The cooling system holds 78.4 litres. The oil fill is 56 litres. The electrical system runs on 24 V. The engine fitted is the D 9508 A7. The Liebherr Crawler Tractor series covers 25 models. Rated output within it ranges from 133.8 to 688 hp; the PR764 sits in the middle of that range with 427.9 hp. Its immediate neighbours are the PR756 LITRONIC below it with 373.9 hp and the PR766 LITRONIC above it with 489.5 hp. 480 Liebherr models across 20 series are on record. The model is listed under Mining equipment. 19 verified figures from 1 source are on file.

Technical data

Engine

Engine model	D 9508 A7correct
Power	427.9 hp (311 kW)correct
Rated speed	1,600 rpmcorrect
Cylinders	8correct
Displacement	16,200.3 cm³correct
Aspiration	turbocharged, intercooledcorrect
Coolant capacity	78.4 lcorrect
Engine oil capacity	56 lcorrect

Dimensions and weights

Ground clearance	698correct
Unladen weight	44,720 kgcorrect

Drivetrain and chassis

Gearbox type	continuously variable transmission hydrostatic transmission travel drive independent drive for each framecorrect
Forward gears	3correct
Reverse gears	2correct
System voltage	24 Vcorrect

Working data

Pump flow	352 l/mincorrect
Hydraulic pressure	259.9correct
Fuel tank capacity	905.1 lcorrect

Other data

Height	3,938correct

Where this model stands

Power-to-weight ratio: 7 kW/t (311 kW / 44.7 t)

Stronger than 82% of the mining equipment in the register — out of 945 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Liebherr PR764 have?

The Liebherr PR764 delivers 428 hp.

How much does the Liebherr PR764 weigh?

The unladen weight is 44,720 kg.

What engine does the Liebherr PR764 have?

8 cylinders, 16,200 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 19 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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Liebherr PR764 Crawler

Technical data

Engine

Dimensions and weights

Drivetrain and chassis

Working data

Other data

Where this model stands

Frequently asked questions

What to check before buying

Other models in this series

LR632B L

PR712B

PR716 LITRONIC

PR722B L

PR724 L

PR724 LGP

PR724 XL

PR726 LITRONIC

PR732B

PR734 L

PR734 LGP

PR734 XL

Dump truck in 3D section