TB_PR734-4_DIN.indd 12 13.04.12 11:23

Crawler Tractor PR 734-4

Engine output: 150 kW / 204 HP Operating weight: 17,960 – 20,000 kg

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2 PR 734-4 Litronic

Basic machine

EngineLiebherr Diesel engine D 934-L-A6 Emission regulations according to 2004/26/EC stage IIIA and EPA/CARB Tier 3Rating (ISO 9249) 150 kW / 204 HPRating (SAE J1349) 150 kW / 201 HPRated speed 1,800 ¹/minDisplacement 7.0 lDesign 4 cylinder in-line engine, water-cooled. Turbocharged, intercooled Injection system Direct fuel injection, pump-line-nozzle system, electronic controlLubrication Force-feed lubrication, engine lubrication in an inclined position up to 45°, on all sidesOperating voltage 24 VAlternator 80 AStarter 6.6 kW / 9 HPBatteries 2 x 140 Ah / 12VAir cleaner Dry-type air cleaner with safety element, aspirated pre-cleaner, service gauge in cabCooling system Combi radiator, comprising a radiator for water, hydraulic fluid, charge air, fuel. Hydrostatic fan drive

Travel drive, controlTransmission system Infinitely variable hydrostatic travel drive, independent drive for each track.Travel speed* continuously variableSpeed range 1 (reverse) 0 – 4.0 km/h (4.8 km/h)Speed range 2 (reverse) 0 - 6.5 km/h (7.8 km/h)Speed range 3 (reverse) 0 - 10.0 km/h (10.0 km/h) * Factory settings. All speed ranges can be customised on the travel joystick.Drawbar pull at 1.5 km/h 274 kNElectronic control Electronic engine speed control automatically adjusts travel speed and drawbar pull to match changing load conditions.Steering HydrostaticService brake Wear-free, hydrostatic (dynamic braking)Automatic park brake Wet multiple-disc brakes, wear-free, automatically applied when joystick is in neutral positionCooling system Hydraulic oil cooler, integrated in combi radiatorFilter system Micro cartridge filtersFinal drive Heavy-duty combination spur gear with planetary gear, double sealed with electronic seal-integrity indicatorControl Single joystick for all travel and steering functions.

Operator’s cabCab Resiliently mounted cab with positive pressure ventilation. With integrated ROPS Rollover Protective Structure (ISO 3471) and FOPS Falling Objects Protective Structure (ISO 3449) Operator’s seat Fully adjustable suspended seat Monitoring Combined analogue / LC display, automatic monitoring of operating conditions

Hydraulic equipmentPump type Gear pump with constant flowPump flow max. 222 l/minPressure limitation 200 barControl valve 2 segments, expandable to 3Filter system Return filter with magnetic rodControl Single joystick for all blade functions

Drawbar pull PR 734-4

Undercarriage Mount Via separate pivot shafts and an oscillating equaliser barTrack chains Sealed and lubricated chains, single-grouser track shoes, track chain tension via steel spring and grease tensionerLinks 38Track rollers /carrier rollers 6/1Sprocket segments 5Track shoes standard 508 mmTrack shoes optional 560 mm 610 mm

Usable drawbar pull will depend on traction and weight of tractor

Refill capacitiesFuel tank 400 lCooling system 37 lEngine oil with oil filters 29 lSplitter box 3.1 lHydraulic tank 144 lFinal drive, each 19.5 l

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PR 734-4Grundgerät Seiten-, Vorderansicht05.04.2012

Dimensions PR 734-4 L

A Height over cab mm 3,284

B Overall length without attachments mm 4,170

C Length of track on ground mm 2,630

D Grouser height mm 65

E Track gauge mm 1,830

F Total width without trunnions 1 mm 2,366

G Total width over blade-mounting trunnions mm 2,724

H Ground clearance mm 497

Tractor shipping weight 2 kg 15,291

1 With track shoes 508 mm / 20”2 Includes coolant, lubricants, 20% fuel, ROPS/FOPS cab and track shoes 508 mm / 20”

PR 734-4 Litronic 3

Basic machine

Semi-U blade and Semi-U blade Straight blade

Straight blade L L

Blade capacity according to ISO 9246 m³ 5.56 4.21

A Height of blade mm 1,400 1,300

B Width of blade mm 3,372 3,420

C Lifting height mm 1,179 1,182

D Digging depth mm 524 525

E Blade pitch adjustment 10° 10°

Max. blade tilt mm 780 790

H Overall length mm 5,521 5,300

Operating weight ¹ kg 18,060 17,960

Ground pressure ¹ kg/cm2 0.68 0.67

1 Includes coolant, lubricants, 20% fuel, ROPS/FOPS cab and track shoes 508 mm / 20”; semi-U blade / straight blade

Front attachments

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PR 734-4Grundgerät + Semi-U-Schild Seiten-, Draufsicht05.04.2012

PR 734-4 Litronic 4

Rear attachments

3 shank ripper A Ripping depth (max./min.) mm 503 / 353

B Lifting height (max./min.) mm 685 / 535

C Additional length, attachment raised mm 1,208

D Additional length, attachment lowered mm 1,540

E Overall beam width mm 2,320

F Distance between shanks mm 1,000

Weight kg 1,910

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PR 734-4Grundgerät Seiten-, Vorderansicht05.04.2012

PR 734-4 Litronic 5

Equipment

Basic machineAir filter, dry-type, dual step •Air pre-cleaner with automatic dust ejector •Battery compartment, lockable •Belly pans, heavy duty •Engine cover, perforated •Engine doors, perforated •Engine door, lockable •Fan guard •Fan, hydraulically driven •Fuel water separator •Liebherr Diesel engine •Lifting lugs, front •Radiator guard •Radiator, wide-meshed •Tow switch •Cold kit +Fan, reversible +Forestry equipment +Fuel water separator with electric heater +LiDAT Plus – Data transmission system +Radiator guard, reinforced +Sealing, cab – base machine +Tank guard, complete +Towing hitch rear +

• = Standard

+ = Option

Travel driveAutomatic monitoring •Electronic control •Emergency stop •Final drives planetary gear •Hydrostatic travel drive •Load limit control, electronic •Oil cooler •Parking brake, automatic •Safety lever •Single joystick control •Travel control, 3 speed ranges •Inching brake pedal +

UndercarriageMaster link, two-piece •Pivot shafts, separate •Sprocket segments, bolt-on •Track frames, closed •Track frames, oscillating •Centre track guide +Full length track guard +Tracks, grease-lubricated +Tracks oil-lubricated +

Electrical systemAlternator 80 A •Batteries, cold start, 2 units •Battery main switch, mechanical •Horn •On board system, 24 Volt •Starter 6.6 kW •Working lights front, 2 units •Working lights rear, 2 units •Additional lights front, 2 units +Additional lights on lifting cylinders +Additional lights rear, 2 units +Back-up alarm +Beacon +

Operator’s cabArmrests 3D adjustable •Coat hook •Dome light •Operator’s seat, mechanically suspended •Operator’s seat, 6-way adjustable •Pressurised cab •Rear view mirror, inside •ROPS/FOPS •Safety glass, tinted •Storage compartment •Warm water heating •Windshield washer system •Windhield wipers front, rear, on the doors; with intermittent function •Air conditioning +FM radio +FM radio preparation +Fire extinguisher +Operator’s seat, air suspended +Protective grid for rear window +Protective grids for windows, all-around +Sliding window left +Sliding window right +

Control and warning lights

Control travel speed range (digital) •Control engine coolant temperature (analogue) •Control fuel level (analogue) •Hour meter (analogue) •Main warning light •Warning light battery charging •Warning light diesel engine •Warning light electronic travel control system •Warning light travel drive seal, each side •Warning light parking brake •Warning light fuel water separator •Warning light fan control •Warning light hydraulic oil temperature •Warning light pump replenishing pressure •Warning light float position blade •Warning light oil return filter •Warning light air filter •Warning light heater Diesel engine •Hydraulic oil temperature gauge +

Hydraulic systemBlade float function •Control valve for 2 circuits •Hydraulic servo control •Oil filter in hydraulic tank •Hydraulic control, ripper +Hydraulic tank oil level control +

Attachments1 shank ripper +3 shank ripper +Counterweight rear +Lifting lugs, rear +Rigid drawbar +Semi-U-blade +Straight blade +Spill plate for blade +Wear plates for push frame +

Options and/or special attachments, supplied by vendors other than Liebherr, are only to be installed with the knowledge and approval of Liebherr to retain warranty.

Liebherr-Werk Telfs GmbHHans Liebherr-Straße 35, A-6410 Telfs +43 50809 6-100, Fax +43 50809 6-7772www.liebherr.com, E-Mail: lwt.marketing@liebherr.com

Printed in Germany by Typodruck RG-BK-RP LWT/VM 11320605-0.5-06.12_enGB Subject to change without notice.