Crawler Tractor PR 734-4 litronic` Engine output: 150 kw / 204 HP Operating weight: 17,960 20,000 kg
Basic machine Engine Liebherr Diesel engine Rating (ISO 9249) Rating (SAE J1349) Rated speed Displacement Design Injection system Lubrication Operating voltage Alternator Starter Batteries Air cleaner Cooling system D 934-L-A6 Emission regulations according to 2004/26/EC stage IIIA and EPA/CARB Tier 3 150 kw / 204 HP 150 kw / 201 HP 1,800 ¹/min 7.0 l 4 cylinder in-line engine, water-cooled. Turbocharged, intercooled Direct fuel injection, pump-line-nozzle system, electronic control Force-feed lubrication, engine lubrication in an inclined position up to 45, on all sides 24 V 80 A 6.6 kw / 9 HP 2 x 140 Ah / 12V Dry-type air cleaner with safety element, aspirated pre-cleaner, service gauge in cab Combi radiator, comprising a radiator for water, hydraulic fluid, charge air, fuel. Hydrostatic fan drive Undercarriage Mount Via separate pivot shafts and an oscillating equaliser bar Track chains Sealed and lubricated chains, single-grouser track shoes, track chain tension via steel spring and grease tensioner Links 38 Track rollers / carrier rollers 6/1 Sprocket segments 5 Track shoes standard 508 Track shoes optional 560 610 Hydraulic equipment Pump type Gear pump with constant flow Pump flow max. 222 l/min Pressure limitation 200 bar Control valve 2 segments, expandable to 3 Filter system Return filter with magnetic rod Control Single joystick for all blade functions Travel drive, control Transmission system Infinitely variable hydrostatic travel drive, independent drive for each track. Travel speed* continuously variable Speed 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 kn Electronic control Electronic engine speed control automatically adjusts travel speed and drawbar pull to match changing load conditions. Steering Hydrostatic Service brake Wear-free, hydrostatic (dynamic braking) Automatic park brake Wet multiple-disc brakes, wear-free, automatically applied when joystick is in neutral position Cooling system Hydraulic oil cooler, integrated in combi radiator Filter system Micro cartridge filters Final drive Heavy-duty combination spur gear with planetary gear, double sealed with electronic seal-integrity indicator Control Single joystick for all travel and steering functions. Cab Operator s seat Monitoring Operator s cab Resiliently mounted cab with positive pressure ventilation. With integrated ROPS Rollover Protective Structure (ISO 3471) and FOPS Falling Objects Protective Structure (ISO 3449) Fully adjustable suspended seat Combined analogue / LC display, automatic monitoring of operating conditions Drawbar pull kn 400 300 274 200 100 0 Refill capacities Fuel tank Cooling system Engine oil with oil filters Splitter box Hydraulic tank Final drive, each Drawbar pull PR 734-4 0 1 2 3 4 5 6 7 8 9 10 11 km/h Travel speed Usable drawbar pull will depend on traction and weight of tractor 400 l 37 l 29 l 3.1 l 144 l 19.5 l 2 PR 734-4 Litronic
Basic machine A H C D E F G B Dimensions PR 734-4 L A Height over cab 3,284 B Overall length without attachments 4,170 C Length of track on ground 2,630 D Grouser height 65 E Track gauge 1,830 F Total width without trunnions 1 2,366 G Total width over blade-mounting trunnions 2,724 H Ground clearance 497 Tractor shipping weight 2 1 2 kg 15,291 With track shoes 508 / 20 Includes coolant, lubricants, 20% fuel, ROPS/FOPS cab and track shoes 508 / 20 PR 734-4 Litronic 3
Front attachments B G A C D E H 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 1,400 1,300 B Width of blade 3,372 3,420 C Lifting height 1,179 1,182 D Digging depth 524 525 E Blade pitch adjustment 10 10 Max. blade tilt 780 790 H Overall length 5,521 5,300 Operating weight ¹ kg 18,060 17,960 Ground pressure ¹ kg/cm 2 0.68 0.67 1 Includes coolant, lubricants, 20% fuel, ROPS/FOPS cab and track shoes 508 / 20 ; semi-u blade / straight blade PR 734-4 Litronic 4
Rear attachments F E F B A C D 3 shank ripper A Ripping depth (max./min.) 503 / 353 B Lifting height (max./min.) 685 / 535 C Additional length, attachment raised 1,208 D Additional length, attachment lowered 1,540 E Overall beam width 2,320 F Distance between shanks 1,000 kg 1,910 Weight PR 734-4 Litronic 5
Equipment Basic machine Air 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 + Operator s cab Armrests 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 + Undercarriage Master 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 system Alternator 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 + Travel drive Automatic 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 + 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 system Blade float function Control valve for 2 circuits Hydraulic servo control Oil filter in hydraulic tank Hydraulic control, ripper + Hydraulic tank oil level control + Attachments 1 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 + = Standard + = Option 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. Printed in Germany by Typodruck RG-BK-RP LWT/VM 11320605-0.5-06.12_enGB Subject to change without notice. Liebherr-Werk Telfs GmbH Hans Liebherr-Straße 35, A-6410 Telfs +43 50809 6-100, Fax +43 50809 6-7772 www.liebherr.com, E-Mail: lwt.marketing@liebherr.com