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PR 726 Litronic
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Catalog excerpts

PR 726 Litronic - 1

Crawler Tractor   PR 726   Operating Weight: 16,500 – 20,100 kg 36,590 – 44,310 lb Engine Output: 120 kW / 163 HP Stage IV

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PR 726 Litronic - 2

PR 726 Litronic Engine: 120 KW / 163 HP Emission Stage IV / Tier 4f Operating weight: 16,500 – 20,100 kg 36,590 – 44,310 lb Blade capacity: 3.17 – 4.27 m³  4.15 – 5.6 yd³ Hydrostatic travel drive with electronic control unit Performance Outstanding grading and pu

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PR 726 Litronic - 3

Efficiency Cost efficiency comes standard Realiability Robust design in every regard Comfort Ample space, ergonomics and comfort – All in one Maintainability Simple maintenance and an extensive service network

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PR 726 Litronic - 4

Outstanding grading and pushing performance Power and innovative technology are the hallmarks of Liebherr crawler tractors. Whether for precision grading or heavy pushing, the PR 726 is a powerful machine for any application.

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PR 726 Litronic - 5

High productivity Precise control Powerful engines … Liebherr diesel engines are designed for the harsh conditions of construction sites and provide the right amount of power in every situation. Depending on the job requirements different opera­ing t modes are available for maximum power or fuel-saving operation. Excellent maneuverability When working in tight areas, the hydrostatic travel drive offers an additional benefit. All steering motions – including turning on the spot – are fast and effortless. This makes the PR 726 an exceptionally maneuverable machine, equally at home on large...

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PR 726 Litronic - 6

Cost efficiency comes standard Liebherr crawler tractors are designed from the ground up with economy in mind. Highly efficient drive concept, long service life of components and low maintenance requirements reduce operating costs and increase profits.

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PR 726 Litronic - 7

Unrivalled economy The latest engine and exhaust technology The newest generation of Liebherr diesel engines comply with Stage IV / Tier 4 final emission standards utilising Liebherr-SCR technology. The exhaust gas undergoes selective catalytic reduction through injection of urea (DEF, AdBlue®). A diesel particulate filter is not required. As a result, the engine operates in a temperature range of maximum efficiency. The constant, low engine speed, in combination with common rail injection, ensures optimised cylinder charging and, in turn, even more efficient fuel combustion. A variety of...

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PR 726 Litronic - 8

Robust design in every regard Today’s construction sites require machines with maximum versatility and ruggedness. The PR 726 meets these demands perfectly: thanks to components designed specifically for construction machinery, proven technology and innovative customer-specific solutions, ­ you can expect maximum availability.

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PR 726 Litronic - 9

Liebherr driveline Rugged design Long-lasting engines Diesel engines from Liebherr have powered construction machinery around the world for decades. Developed for the harshest operating conditions, their rugged construction and low nominal operating speed guarantee maximum reliability and a long service life. Main frame with a proven box-section design The main frame is constructed using a proven box-section design, which provides maximum torsional stiffness and optimal absorption of forces. Cast steel is used for components subjects to high stress. Wear-free drive concept The proven...

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PR 726 Litronic - 10

Comfort, space and ergonomics: All in one The completely redesigned working environment offers exceptional operator comfort. With its generous space, ergonomic layout and low sound levels, the Liebherr comfort cab provides ­ the perfect conditions for fatigue-free and focused work.

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PR 726 Litronic - 11

Simple and intuitive operation Ergonomic and purposely designed The well-thought-out design of the operator’s cab provides the essential conditions for relaxed and productive work. All instruments and operating controls are carefully organised for easy reach. An unobstructed view of the work equipment and perfect all-round visibility allows the operator to concentrate fully on the task at hand. Single-lever control All driving functions can be controlled smoothly and precisely with only one operating lever – including the ”turning on the spot” function. The travel joystick is optionally...

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PR 726 Litronic - 12

Simple maintenance and an extensive service network Thanks to their minimal maintenance requirements, Liebherr crawler tractors make a reliable contribution to your economic success. A dense service network means short distances and fast response times for the user.

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PR 726 Litronic - 13

Cost-effective Optimalmaintenance planning Simple daily checks All items that the operator checks during daily routine inspections are readily accessible on one side of the engine. The hydraulically tilted cab provides easy access to components as well. Service work can be performed quickly and efficiently. Long maintenance intervals Perfectly matched components and lubricants allow for exceptionally long maintenance intervals, e.g. up to 2,000 operating hours for the diesel engine. Hydraulic oil change intervals of up to 8,000 operating hours save costs and minimise downtime. Planned...

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PR 726 Litronic - 14

Travel speed * Speed range 1 (reverse): Speed range 2 (reverse): Speed range 3 (reverse): Engine Liebherr Diesel engine D 934 A7 Emission regulations according to 97/68/Ec, 2004/26/Ec Stage IV, EPA/CARB Tier 4f Rated power (net) iso 9249 120 kW/ 163 HP Design 4 cylinder in-line engine, water-cooled, turbocharged, air-to-air intercooler Injection system Direct fuel injection, Common Rail, electronic control Lubrication Pressurised lube system, engine lubrication guaranteed for inclinations up to 45°, on all sides Operating voltage 24 V Air cleaner Dry-type air cleaner with...

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PR 726 Litronic - 15

Design Undercarriage with rigid bottom rollers Mounting Via separate pivot shafts and equalizer bar Track chains Lubricated, single-grouser shoes, tensioning via a steel spring and grease tensioner Links, each side 46 46 Track rollers, each side 8 8 Carrier rollers, each side 2 2 Sprocket segments, each side 6 6 Track shoes, standard 610 mm / 24" 812 mm / 32" Track shoes, optional 560 mm / 22" 914 mm / 36" Refill Capacities Fuel tank Diesel Exhaust Fluid (DEF) tank Cooling system Engine oil, with filter Hydraulic tank Final drive XL, each...

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