FAT 800 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.

Max. output torque of crawler excavator 430,000 Nm
Max. output torque of crawler excavator 645,000 Nm
Gear transmission ratio 253
Hydraulic motor DMVA 355
Weight 2,100 kg

Technical data

Max. output torque of crawler excavator 430,000 Nm
Max. output torque of crawler excavator 645,000 Nm
Gear transmission ratio 253
Hydraulic motor DMVA 355
Max.displacement Vg max 355 cm³
Min. displacement Vg min 270 cm³
Max. drive speed at Vg min 3,000 min-1
Max. operating pressure 380 bar
Weight 2,100 kg

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