FAT 1000 Travel drive

Liebherr offers its customers a series-manufactured range of travel drives that can be used for a wide range of applications. The series includes 11 gearbox sizes from the FAT 325 to the FAT 1600 in two versions - for crawler excavators or for crawler cranes. The coaxial planetary gearboxes are available as three-stage or four-stage units with a mul-titude of different gear ratios ranging from i=59 to i=497. Depending on the application and the underlying load collectives, the maximum dynamic output torque is up to 3,450kNm.
Gallery loading.
Max. output torque of crawler excavator 600,000 Nm
Max. output torque of crawler crane 900,000 Nm
Gear transmission ratio 250
Hydraulic motor FMV 250
Weight 3,200 kg

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Technical data

Max. output torque of crawler excavator 600,000 Nm
Max. output torque of crawler crane 900,000 Nm
Gear transmission ratio 250
Hydraulic motor FMV 250
Number of hydraulic motors 2
Max.displacement Vg max 256 cm³
Min. displacement Vg min 160 cm³
Max. drive speed at Vg min 3,640 rpm
Max. operating pressure 380 bar
Weight 3,200 kg

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As an experienced partner, Liebherr possesses extensive application know-how and expertise. We optimise our components for specific applications. Overview of applications

Biberach production site

At the Biberach production site Liebherr develops and manufactures high-quality components and systems for drive and control technology. Liebherr-Components Biberach GmbH